core.md

Packages:

• core.gardener.cloud/v1beta1

core.gardener.cloud/v1beta1

Package v1beta1 is a version of the API.

Resource Types:

• BackupBucket
• BackupEntry
• CloudProfile
• ControllerDeployment
• ControllerInstallation
• ControllerRegistration
• ExposureClass
• InternalSecret
• NamespacedCloudProfile
• Project
• Quota
• SecretBinding
• Seed
• Shoot
• ShootState

BackupBucket

BackupBucket holds details about backup bucket

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	BackupBucket
metadata Kubernetes meta/v1.ObjectMeta	Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec BackupBucketSpec	Specification of the Backup Bucket. provider BackupBucketProvider Provider holds the details of cloud provider of the object store. This field is immutable. providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension (Optional) ProviderConfig is the configuration passed to BackupBucket resource. secretRef Kubernetes core/v1.SecretReference SecretRef is a reference to a secret that contains the credentials to access object store. seedName string (Optional) SeedName holds the name of the seed allocated to BackupBucket for running controller. This field is immutable.
status BackupBucketStatus	Most recently observed status of the Backup Bucket.

BackupEntry

BackupEntry holds details about shoot backup.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	BackupEntry
metadata Kubernetes meta/v1.ObjectMeta	Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec BackupEntrySpec	(Optional) Spec contains the specification of the Backup Entry. bucketName string BucketName is the name of backup bucket for this Backup Entry. seedName string (Optional) SeedName holds the name of the seed to which this BackupEntry is scheduled
status BackupEntryStatus	(Optional) Status contains the most recently observed status of the Backup Entry.

CloudProfile

CloudProfile represents certain properties about a provider environment.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	CloudProfile
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec CloudProfileSpec	(Optional) Spec defines the provider environment properties. caBundle string (Optional) CABundle is a certificate bundle which will be installed onto every host machine of shoot cluster targeting this profile. kubernetes KubernetesSettings Kubernetes contains constraints regarding allowed values of the ‘kubernetes’ block in the Shoot specification. machineImages []MachineImage MachineImages contains constraints regarding allowed values for machine images in the Shoot specification. machineTypes []MachineType MachineTypes contains constraints regarding allowed values for machine types in the ‘workers’ block in the Shoot specification. providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension (Optional) ProviderConfig contains provider-specific configuration for the profile. regions []Region Regions contains constraints regarding allowed values for regions and zones. seedSelector SeedSelector (Optional) SeedSelector contains an optional list of labels on Seed resources that marks those seeds whose shoots may use this provider profile. An empty list means that all seeds of the same provider type are supported. This is useful for environments that are of the same type (like openstack) but may have different “instances”/landscapes. Optionally a list of possible providers can be added to enable cross-provider scheduling. By default, the provider type of the seed must match the shoot’s provider. type string Type is the name of the provider. volumeTypes []VolumeType (Optional) VolumeTypes contains constraints regarding allowed values for volume types in the ‘workers’ block in the Shoot specification. bastion Bastion (Optional) Bastion contains the machine and image properties

ControllerDeployment

ControllerDeployment contains information about how this controller is deployed.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	ControllerDeployment
metadata Kubernetes meta/v1.ObjectMeta	Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
type string	Type is the deployment type.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	ProviderConfig contains type-specific configuration. It contains assets that deploy the controller.

ControllerInstallation

ControllerInstallation represents an installation request for an external controller.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	ControllerInstallation
metadata Kubernetes meta/v1.ObjectMeta	Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec ControllerInstallationSpec	Spec contains the specification of this installation. If the object’s deletion timestamp is set, this field is immutable. registrationRef Kubernetes core/v1.ObjectReference RegistrationRef is used to reference a ControllerRegistration resource. The name field of the RegistrationRef is immutable. seedRef Kubernetes core/v1.ObjectReference SeedRef is used to reference a Seed resource. The name field of the SeedRef is immutable. deploymentRef Kubernetes core/v1.ObjectReference (Optional) DeploymentRef is used to reference a ControllerDeployment resource.
status ControllerInstallationStatus	Status contains the status of this installation.

ControllerRegistration

ControllerRegistration represents a registration of an external controller.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	ControllerRegistration
metadata Kubernetes meta/v1.ObjectMeta	Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec ControllerRegistrationSpec	Spec contains the specification of this registration. If the object’s deletion timestamp is set, this field is immutable. resources []ControllerResource (Optional) Resources is a list of combinations of kinds (DNSProvider, Infrastructure, Generic, …) and their actual types (aws-route53, gcp, auditlog, …). deployment ControllerRegistrationDeployment (Optional) Deployment contains information for how this controller is deployed.

ExposureClass

ExposureClass represents a control plane endpoint exposure strategy.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	ExposureClass
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
handler string	Handler is the name of the handler which applies the control plane endpoint exposure strategy. This field is immutable.
scheduling ExposureClassScheduling	(Optional) Scheduling holds information how to select applicable Seed’s for ExposureClass usage. This field is immutable.

InternalSecret

InternalSecret holds secret data of a certain type. The total bytes of the values in the Data field must be less than MaxSecretSize bytes.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	InternalSecret
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object’s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata Refer to the Kubernetes API documentation for the fields of the metadata field.
immutable bool	(Optional) Immutable, if set to true, ensures that data stored in the Secret cannot be updated (only object metadata can be modified). If not set to true, the field can be modified at any time. Defaulted to nil.
data map[string][]byte	(Optional) Data contains the secret data. Each key must consist of alphanumeric characters, ‘-’, ‘_’ or ‘.’. The serialized form of the secret data is a base64 encoded string, representing the arbitrary (possibly non-string) data value here. Described in https://tools.ietf.org/html/rfc4648#section-4
stringData map[string]string	(Optional) stringData allows specifying non-binary secret data in string form. It is provided as a write-only input field for convenience. All keys and values are merged into the data field on write, overwriting any existing values. The stringData field is never output when reading from the API.
type Kubernetes core/v1.SecretType	(Optional) Used to facilitate programmatic handling of secret data. More info: https://kubernetes.io/docs/concepts/configuration/secret/#secret-types

NamespacedCloudProfile

NamespacedCloudProfile represents certain properties about a provider environment.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	NamespacedCloudProfile
metadata Kubernetes meta/v1.ObjectMeta	Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec NamespacedCloudProfileSpec	Spec defines the provider environment properties. caBundle string (Optional) CABundle is a certificate bundle which will be installed onto every host machine of shoot cluster targeting this profile. kubernetes KubernetesSettings (Optional) Kubernetes contains constraints regarding allowed values of the ‘kubernetes’ block in the Shoot specification. machineImages []MachineImage (Optional) MachineImages contains constraints regarding allowed values for machine images in the Shoot specification. machineTypes []MachineType (Optional) MachineTypes contains constraints regarding allowed values for machine types in the ‘workers’ block in the Shoot specification. volumeTypes []VolumeType (Optional) VolumeTypes contains constraints regarding allowed values for volume types in the ‘workers’ block in the Shoot specification. parent CloudProfileReference Parent contains a reference to a CloudProfile it inherits from. providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension (Optional) ProviderConfig contains provider-specific configuration for the profile.
status NamespacedCloudProfileStatus	Most recently observed status of the NamespacedCloudProfile.

Project

Project holds certain properties about a Gardener project.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	Project
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec ProjectSpec	(Optional) Spec defines the project properties. createdBy Kubernetes rbac/v1.Subject (Optional) CreatedBy is a subject representing a user name, an email address, or any other identifier of a user who created the project. This field is immutable. description string (Optional) Description is a human-readable description of what the project is used for. owner Kubernetes rbac/v1.Subject (Optional) Owner is a subject representing a user name, an email address, or any other identifier of a user owning the project. IMPORTANT: Be aware that this field will be removed in the v1 version of this API in favor of the owner role. The only way to change the owner will be by moving the owner role. In this API version the only way to change the owner is to use this field. TODO: Remove this field in favor of the owner role in v1. purpose string (Optional) Purpose is a human-readable explanation of the project’s purpose. members []ProjectMember (Optional) Members is a list of subjects representing a user name, an email address, or any other identifier of a user, group, or service account that has a certain role. namespace string (Optional) Namespace is the name of the namespace that has been created for the Project object. A nil value means that Gardener will determine the name of the namespace. This field is immutable. tolerations ProjectTolerations (Optional) Tolerations contains the tolerations for taints on seed clusters. dualApprovalForDeletion []DualApprovalForDeletion (Optional) DualApprovalForDeletion contains configuration for the dual approval concept for resource deletion.
status ProjectStatus	(Optional) Most recently observed status of the Project.

Quota

Quota represents a quota on resources consumed by shoot clusters either per project or per provider secret.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	Quota
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec QuotaSpec	(Optional) Spec defines the Quota constraints. clusterLifetimeDays int32 (Optional) ClusterLifetimeDays is the lifetime of a Shoot cluster in days before it will be terminated automatically. metrics Kubernetes core/v1.ResourceList Metrics is a list of resources which will be put under constraints. scope Kubernetes core/v1.ObjectReference Scope is the scope of the Quota object, either ‘project’, ‘secret’ or ‘workloadidentity’. This field is immutable.

SecretBinding

SecretBinding represents a binding to a secret in the same or another namespace.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	SecretBinding
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
secretRef Kubernetes core/v1.SecretReference	SecretRef is a reference to a secret object in the same or another namespace. This field is immutable.
quotas []Kubernetes core/v1.ObjectReference	(Optional) Quotas is a list of references to Quota objects in the same or another namespace. This field is immutable.
provider SecretBindingProvider	(Optional) Provider defines the provider type of the SecretBinding. This field is immutable.

Seed

Seed represents an installation request for an external controller.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	Seed
metadata Kubernetes meta/v1.ObjectMeta	Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec SeedSpec	Spec contains the specification of this installation. backup SeedBackup (Optional) Backup holds the object store configuration for the backups of shoot (currently only etcd). If it is not specified, then there won’t be any backups taken for shoots associated with this seed. If backup field is present in seed, then backups of the etcd from shoot control plane will be stored under the configured object store. dns SeedDNS DNS contains DNS-relevant information about this seed cluster. networks SeedNetworks Networks defines the pod, service and worker network of the Seed cluster. provider SeedProvider Provider defines the provider type and region for this Seed cluster. taints []SeedTaint (Optional) Taints describes taints on the seed. volume SeedVolume (Optional) Volume contains settings for persistentvolumes created in the seed cluster. settings SeedSettings (Optional) Settings contains certain settings for this seed cluster. ingress Ingress (Optional) Ingress configures Ingress specific settings of the Seed cluster. This field is immutable. accessRestrictions []AccessRestriction (Optional) AccessRestrictions describe a list of access restrictions for this seed cluster.
status SeedStatus	Status contains the status of this installation.

Shoot

Shoot represents a Shoot cluster created and managed by Gardener.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	Shoot
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec ShootSpec	(Optional) Specification of the Shoot cluster. If the object’s deletion timestamp is set, this field is immutable. addons Addons (Optional) Addons contains information about enabled/disabled addons and their configuration. cloudProfileName string (Optional) CloudProfileName is a name of a CloudProfile object. This field will be deprecated soon, use CloudProfile instead. dns DNS (Optional) DNS contains information about the DNS settings of the Shoot. extensions []Extension (Optional) Extensions contain type and provider information for Shoot extensions. hibernation Hibernation (Optional) Hibernation contains information whether the Shoot is suspended or not. kubernetes Kubernetes Kubernetes contains the version and configuration settings of the control plane components. networking Networking (Optional) Networking contains information about cluster networking such as CNI Plugin type, CIDRs, …etc. maintenance Maintenance (Optional) Maintenance contains information about the time window for maintenance operations and which operations should be performed. monitoring Monitoring (Optional) Monitoring contains information about custom monitoring configurations for the shoot. provider Provider Provider contains all provider-specific and provider-relevant information. purpose ShootPurpose (Optional) Purpose is the purpose class for this cluster. region string Region is a name of a region. This field is immutable. secretBindingName string (Optional) SecretBindingName is the name of a SecretBinding that has a reference to the provider secret. The credentials inside the provider secret will be used to create the shoot in the respective account. The field is mutually exclusive with CredentialsBindingName. This field is immutable. seedName string (Optional) SeedName is the name of the seed cluster that runs the control plane of the Shoot. seedSelector SeedSelector (Optional) SeedSelector is an optional selector which must match a seed’s labels for the shoot to be scheduled on that seed. resources []NamedResourceReference (Optional) Resources holds a list of named resource references that can be referred to in extension configs by their names. tolerations []Toleration (Optional) Tolerations contains the tolerations for taints on seed clusters. exposureClassName string (Optional) ExposureClassName is the optional name of an exposure class to apply a control plane endpoint exposure strategy. This field is immutable. systemComponents SystemComponents (Optional) SystemComponents contains the settings of system components in the control or data plane of the Shoot cluster. controlPlane ControlPlane (Optional) ControlPlane contains general settings for the control plane of the shoot. schedulerName string (Optional) SchedulerName is the name of the responsible scheduler which schedules the shoot. If not specified, the default scheduler takes over. This field is immutable. cloudProfile CloudProfileReference (Optional) CloudProfile contains a reference to a CloudProfile or a NamespacedCloudProfile. credentialsBindingName string (Optional) CredentialsBindingName is the name of a CredentialsBinding that has a reference to the provider credentials. The credentials will be used to create the shoot in the respective account. The field is mutually exclusive with SecretBindingName. accessRestrictions []AccessRestrictionWithOptions (Optional) AccessRestrictions describe a list of access restrictions for this shoot cluster.
status ShootStatus	(Optional) Most recently observed status of the Shoot cluster.

ShootState

ShootState contains a snapshot of the Shoot’s state required to migrate the Shoot’s control plane to a new Seed.

Field	Description
apiVersion string	core.gardener.cloud/v1beta1
kind string	ShootState
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec ShootStateSpec	(Optional) Specification of the ShootState. gardener []GardenerResourceData (Optional) Gardener holds the data required to generate resources deployed by the gardenlet extensions []ExtensionResourceState (Optional) Extensions holds the state of custom resources reconciled by extension controllers in the seed resources []ResourceData (Optional) Resources holds the data of resources referred to by extension controller states

APIServerLogging

(Appears on: KubeAPIServerConfig)

APIServerLogging contains configuration for the logs level and http access logs

Field	Description
verbosity int32	(Optional) Verbosity is the kube-apiserver log verbosity level Defaults to 2.
httpAccessVerbosity int32	(Optional) HTTPAccessVerbosity is the kube-apiserver access logs level

APIServerRequests

(Appears on: KubeAPIServerConfig)

APIServerRequests contains configuration for request-specific settings for the kube-apiserver.

Field	Description
maxNonMutatingInflight int32	(Optional) MaxNonMutatingInflight is the maximum number of non-mutating requests in flight at a given time. When the server exceeds this, it rejects requests.
maxMutatingInflight int32	(Optional) MaxMutatingInflight is the maximum number of mutating requests in flight at a given time. When the server exceeds this, it rejects requests.

AccessRestriction

(Appears on: AccessRestrictionWithOptions, Region, SeedSpec)

AccessRestriction describes an access restriction for a Kubernetes cluster (e.g., EU access-only).

Field	Description
name string	Name is the name of the restriction.

AccessRestrictionWithOptions

(Appears on: ShootSpec)

AccessRestrictionWithOptions describes an access restriction for a Kubernetes cluster (e.g., EU access-only) and allows to specify additional options.

Field	Description
AccessRestriction AccessRestriction	(Members of AccessRestriction are embedded into this type.)
options map[string]string	(Optional) Options is a map of additional options for the access restriction.

Addon

(Appears on: KubernetesDashboard, NginxIngress)

Addon allows enabling or disabling a specific addon and is used to derive from.

Field	Description
enabled bool	Enabled indicates whether the addon is enabled or not.

Addons

(Appears on: ShootSpec)

Addons is a collection of configuration for specific addons which are managed by the Gardener.

Field	Description
kubernetesDashboard KubernetesDashboard	(Optional) KubernetesDashboard holds configuration settings for the kubernetes dashboard addon.
nginxIngress NginxIngress	(Optional) NginxIngress holds configuration settings for the nginx-ingress addon.

AdmissionPlugin

(Appears on: KubeAPIServerConfig)

AdmissionPlugin contains information about a specific admission plugin and its corresponding configuration.

Field	Description
name string	Name is the name of the plugin.
config k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) Config is the configuration of the plugin.
disabled bool	(Optional) Disabled specifies whether this plugin should be disabled.
kubeconfigSecretName string	(Optional) KubeconfigSecretName specifies the name of a secret containing the kubeconfig for this admission plugin.

Alerting

(Appears on: Monitoring)

Alerting contains information about how alerting will be done (i.e. who will receive alerts and how).

Field	Description
emailReceivers []string	(Optional) MonitoringEmailReceivers is a list of recipients for alerts

AuditConfig

(Appears on: KubeAPIServerConfig)

AuditConfig contains settings for audit of the api server

Field	Description
auditPolicy AuditPolicy	(Optional) AuditPolicy contains configuration settings for audit policy of the kube-apiserver.

AuditPolicy

(Appears on: AuditConfig)

AuditPolicy contains audit policy for kube-apiserver

Field	Description
configMapRef Kubernetes core/v1.ObjectReference	(Optional) ConfigMapRef is a reference to a ConfigMap object in the same namespace, which contains the audit policy for the kube-apiserver.

AuthorizerKubeconfigReference

(Appears on: StructuredAuthorization)

AuthorizerKubeconfigReference is a reference for a kubeconfig for a authorization webhook.

Field	Description
authorizerName string	AuthorizerName is the name of a webhook authorizer.
secretName string	SecretName is the name of a secret containing the kubeconfig.

AvailabilityZone

(Appears on: Region)

AvailabilityZone is an availability zone.

Field	Description
name string	Name is an availability zone name.
unavailableMachineTypes []string	(Optional) UnavailableMachineTypes is a list of machine type names that are not availability in this zone.
unavailableVolumeTypes []string	(Optional) UnavailableVolumeTypes is a list of volume type names that are not availability in this zone.

BackupBucketProvider

(Appears on: BackupBucketSpec)

BackupBucketProvider holds the details of cloud provider of the object store.

Field	Description
type string	Type is the type of provider.
region string	Region is the region of the bucket.

BackupBucketSpec

(Appears on: BackupBucket)

BackupBucketSpec is the specification of a Backup Bucket.

Field	Description
provider BackupBucketProvider	Provider holds the details of cloud provider of the object store. This field is immutable.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig is the configuration passed to BackupBucket resource.
secretRef Kubernetes core/v1.SecretReference	SecretRef is a reference to a secret that contains the credentials to access object store.
seedName string	(Optional) SeedName holds the name of the seed allocated to BackupBucket for running controller. This field is immutable.

BackupBucketStatus

(Appears on: BackupBucket)

BackupBucketStatus holds the most recently observed status of the Backup Bucket.

Field	Description
providerStatus k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderStatus is the configuration passed to BackupBucket resource.
lastOperation LastOperation	(Optional) LastOperation holds information about the last operation on the BackupBucket.
lastError LastError	(Optional) LastError holds information about the last occurred error during an operation.
observedGeneration int64	(Optional) ObservedGeneration is the most recent generation observed for this BackupBucket. It corresponds to the BackupBucket’s generation, which is updated on mutation by the API Server.
generatedSecretRef Kubernetes core/v1.SecretReference	(Optional) GeneratedSecretRef is reference to the secret generated by backup bucket, which will have object store specific credentials.

BackupEntrySpec

(Appears on: BackupEntry)

BackupEntrySpec is the specification of a Backup Entry.

Field	Description
bucketName string	BucketName is the name of backup bucket for this Backup Entry.
seedName string	(Optional) SeedName holds the name of the seed to which this BackupEntry is scheduled

BackupEntryStatus

(Appears on: BackupEntry)

BackupEntryStatus holds the most recently observed status of the Backup Entry.

Field	Description
lastOperation LastOperation	(Optional) LastOperation holds information about the last operation on the BackupEntry.
lastError LastError	(Optional) LastError holds information about the last occurred error during an operation.
observedGeneration int64	(Optional) ObservedGeneration is the most recent generation observed for this BackupEntry. It corresponds to the BackupEntry’s generation, which is updated on mutation by the API Server.
seedName string	(Optional) SeedName is the name of the seed to which this BackupEntry is currently scheduled. This field is populated at the beginning of a create/reconcile operation. It is used when moving the BackupEntry between seeds.
migrationStartTime Kubernetes meta/v1.Time	(Optional) MigrationStartTime is the time when a migration to a different seed was initiated.

Bastion

(Appears on: CloudProfileSpec)

Bastion contains the bastions creation info

Field	Description
machineImage BastionMachineImage	(Optional) MachineImage contains the bastions machine image properties
machineType BastionMachineType	(Optional) MachineType contains the bastions machine type properties

BastionMachineImage

(Appears on: Bastion)

BastionMachineImage contains the bastions machine image properties

Field	Description
name string	Name of the machine image
version string	(Optional) Version of the machine image

BastionMachineType

(Appears on: Bastion)

BastionMachineType contains the bastions machine type properties

Field	Description
name string	Name of the machine type

CARotation

(Appears on: ShootCredentialsRotation)

CARotation contains information about the certificate authority credential rotation.

Field	Description
phase CredentialsRotationPhase	Phase describes the phase of the certificate authority credential rotation.
lastCompletionTime Kubernetes meta/v1.Time	(Optional) LastCompletionTime is the most recent time when the certificate authority credential rotation was successfully completed.
lastInitiationTime Kubernetes meta/v1.Time	(Optional) LastInitiationTime is the most recent time when the certificate authority credential rotation was initiated.
lastInitiationFinishedTime Kubernetes meta/v1.Time	(Optional) LastInitiationFinishedTime is the recent time when the certificate authority credential rotation initiation was completed.
lastCompletionTriggeredTime Kubernetes meta/v1.Time	(Optional) LastCompletionTriggeredTime is the recent time when the certificate authority credential rotation completion was triggered.

CRI

(Appears on: MachineImageVersion, Worker)

CRI contains information about the Container Runtimes.

Field	Description
name CRIName	The name of the CRI library. Supported values are containerd.
containerRuntimes []ContainerRuntime	(Optional) ContainerRuntimes is the list of the required container runtimes supported for a worker pool.

CRIName (string alias)

(Appears on: CRI)

CRIName is a type alias for the CRI name string.

CloudProfileReference

(Appears on: NamespacedCloudProfileSpec, ShootSpec)

CloudProfileReference holds the information about a CloudProfile or a NamespacedCloudProfile.

Field	Description
kind string	Kind contains a CloudProfile kind.
name string	Name contains the name of the referenced CloudProfile.

CloudProfileSpec

(Appears on: CloudProfile, NamespacedCloudProfileStatus)

CloudProfileSpec is the specification of a CloudProfile. It must contain exactly one of its defined keys.

Field	Description
caBundle string	(Optional) CABundle is a certificate bundle which will be installed onto every host machine of shoot cluster targeting this profile.
kubernetes KubernetesSettings	Kubernetes contains constraints regarding allowed values of the ‘kubernetes’ block in the Shoot specification.
machineImages []MachineImage	MachineImages contains constraints regarding allowed values for machine images in the Shoot specification.
machineTypes []MachineType	MachineTypes contains constraints regarding allowed values for machine types in the ‘workers’ block in the Shoot specification.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig contains provider-specific configuration for the profile.
regions []Region	Regions contains constraints regarding allowed values for regions and zones.
seedSelector SeedSelector	(Optional) SeedSelector contains an optional list of labels on Seed resources that marks those seeds whose shoots may use this provider profile. An empty list means that all seeds of the same provider type are supported. This is useful for environments that are of the same type (like openstack) but may have different “instances”/landscapes. Optionally a list of possible providers can be added to enable cross-provider scheduling. By default, the provider type of the seed must match the shoot’s provider.
type string	Type is the name of the provider.
volumeTypes []VolumeType	(Optional) VolumeTypes contains constraints regarding allowed values for volume types in the ‘workers’ block in the Shoot specification.
bastion Bastion	(Optional) Bastion contains the machine and image properties

ClusterAutoscaler

(Appears on: Kubernetes)

ClusterAutoscaler contains the configuration flags for the Kubernetes cluster autoscaler.

Field	Description
scaleDownDelayAfterAdd Kubernetes meta/v1.Duration	(Optional) ScaleDownDelayAfterAdd defines how long after scale up that scale down evaluation resumes (default: 1 hour).
scaleDownDelayAfterDelete Kubernetes meta/v1.Duration	(Optional) ScaleDownDelayAfterDelete how long after node deletion that scale down evaluation resumes, defaults to scanInterval (default: 0 secs).
scaleDownDelayAfterFailure Kubernetes meta/v1.Duration	(Optional) ScaleDownDelayAfterFailure how long after scale down failure that scale down evaluation resumes (default: 3 mins).
scaleDownUnneededTime Kubernetes meta/v1.Duration	(Optional) ScaleDownUnneededTime defines how long a node should be unneeded before it is eligible for scale down (default: 30 mins).
scaleDownUtilizationThreshold float64	(Optional) ScaleDownUtilizationThreshold defines the threshold in fraction (0.0 - 1.0) under which a node is being removed (default: 0.5).
scanInterval Kubernetes meta/v1.Duration	(Optional) ScanInterval how often cluster is reevaluated for scale up or down (default: 10 secs).
expander ExpanderMode	(Optional) Expander defines the algorithm to use during scale up (default: least-waste). See: https://github.com/gardener/autoscaler/blob/machine-controller-manager-provider/cluster-autoscaler/FAQ.md#what-are-expanders.
maxNodeProvisionTime Kubernetes meta/v1.Duration	(Optional) MaxNodeProvisionTime defines how long CA waits for node to be provisioned (default: 20 mins).
maxGracefulTerminationSeconds int32	(Optional) MaxGracefulTerminationSeconds is the number of seconds CA waits for pod termination when trying to scale down a node (default: 600).
ignoreTaints []string	(Optional) IgnoreTaints specifies a list of taint keys to ignore in node templates when considering to scale a node group. Deprecated: Ignore taints are deprecated as of K8S 1.29 and treated as startup taints
newPodScaleUpDelay Kubernetes meta/v1.Duration	(Optional) NewPodScaleUpDelay specifies how long CA should ignore newly created pods before they have to be considered for scale-up (default: 0s).
maxEmptyBulkDelete int32	(Optional) MaxEmptyBulkDelete specifies the maximum number of empty nodes that can be deleted at the same time (default: 10).
ignoreDaemonsetsUtilization bool	(Optional) IgnoreDaemonsetsUtilization allows CA to ignore DaemonSet pods when calculating resource utilization for scaling down (default: false).
verbosity int32	(Optional) Verbosity allows CA to modify its log level (default: 2).
startupTaints []string	(Optional) StartupTaints specifies a list of taint keys to ignore in node templates when considering to scale a node group. Cluster Autoscaler treats nodes tainted with startup taints as unready, but taken into account during scale up logic, assuming they will become ready shortly.
statusTaints []string	(Optional) StatusTaints specifies a list of taint keys to ignore in node templates when considering to scale a node group. Cluster Autoscaler internally treats nodes tainted with status taints as ready, but filtered out during scale up logic.

ClusterAutoscalerOptions

(Appears on: Worker)

ClusterAutoscalerOptions contains the cluster autoscaler configurations for a worker pool.

Field	Description
scaleDownUtilizationThreshold float64	(Optional) ScaleDownUtilizationThreshold defines the threshold in fraction (0.0 - 1.0) under which a node is being removed.
scaleDownGpuUtilizationThreshold float64	(Optional) ScaleDownGpuUtilizationThreshold defines the threshold in fraction (0.0 - 1.0) of gpu resources under which a node is being removed.
scaleDownUnneededTime Kubernetes meta/v1.Duration	(Optional) ScaleDownUnneededTime defines how long a node should be unneeded before it is eligible for scale down.
scaleDownUnreadyTime Kubernetes meta/v1.Duration	(Optional) ScaleDownUnreadyTime defines how long an unready node should be unneeded before it is eligible for scale down.
maxNodeProvisionTime Kubernetes meta/v1.Duration	(Optional) MaxNodeProvisionTime defines how long CA waits for node to be provisioned.

Condition

(Appears on: ControllerInstallationStatus, SeedStatus, ShootStatus)

Condition holds the information about the state of a resource.

Field	Description
type ConditionType	Type of the condition.
status ConditionStatus	Status of the condition, one of True, False, Unknown.
lastTransitionTime Kubernetes meta/v1.Time	Last time the condition transitioned from one status to another.
lastUpdateTime Kubernetes meta/v1.Time	Last time the condition was updated.
reason string	The reason for the condition’s last transition.
message string	A human readable message indicating details about the transition.
codes []ErrorCode	(Optional) Well-defined error codes in case the condition reports a problem.

ConditionStatus (string alias)

(Appears on: Condition)

ConditionStatus is the status of a condition.

ConditionType (string alias)

(Appears on: Condition)

ConditionType is a string alias.

ContainerRuntime

(Appears on: CRI)

ContainerRuntime contains information about worker’s available container runtime

Field	Description
type string	Type is the type of the Container Runtime.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig is the configuration passed to container runtime resource.

ControlPlane

(Appears on: ShootSpec)

ControlPlane holds information about the general settings for the control plane of a shoot.

Field	Description
highAvailability HighAvailability	(Optional) HighAvailability holds the configuration settings for high availability of the control plane of a shoot.

ControllerDeploymentPolicy (string alias)

(Appears on: ControllerRegistrationDeployment)

ControllerDeploymentPolicy is a string alias.

ControllerInstallationSpec

(Appears on: ControllerInstallation)

ControllerInstallationSpec is the specification of a ControllerInstallation.

Field	Description
registrationRef Kubernetes core/v1.ObjectReference	RegistrationRef is used to reference a ControllerRegistration resource. The name field of the RegistrationRef is immutable.
seedRef Kubernetes core/v1.ObjectReference	SeedRef is used to reference a Seed resource. The name field of the SeedRef is immutable.
deploymentRef Kubernetes core/v1.ObjectReference	(Optional) DeploymentRef is used to reference a ControllerDeployment resource.

ControllerInstallationStatus

(Appears on: ControllerInstallation)

ControllerInstallationStatus is the status of a ControllerInstallation.

Field	Description
conditions []Condition	(Optional) Conditions represents the latest available observations of a ControllerInstallations’s current state.
providerStatus k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderStatus contains type-specific status.

ControllerRegistrationDeployment

(Appears on: ControllerRegistrationSpec)

ControllerRegistrationDeployment contains information for how this controller is deployed.

Field	Description
policy ControllerDeploymentPolicy	(Optional) Policy controls how the controller is deployed. It defaults to ‘OnDemand’.
seedSelector Kubernetes meta/v1.LabelSelector	(Optional) SeedSelector contains an optional label selector for seeds. Only if the labels match then this controller will be considered for a deployment. An empty list means that all seeds are selected.
deploymentRefs []DeploymentRef	(Optional) DeploymentRefs holds references to ControllerDeployments. Only one element is supported currently.

ControllerRegistrationSpec

(Appears on: ControllerRegistration)

ControllerRegistrationSpec is the specification of a ControllerRegistration.

Field	Description
resources []ControllerResource	(Optional) Resources is a list of combinations of kinds (DNSProvider, Infrastructure, Generic, …) and their actual types (aws-route53, gcp, auditlog, …).
deployment ControllerRegistrationDeployment	(Optional) Deployment contains information for how this controller is deployed.

ControllerResource

(Appears on: ControllerRegistrationSpec)

ControllerResource is a combination of a kind (DNSProvider, Infrastructure, Generic, …) and the actual type for this kind (aws-route53, gcp, auditlog, …).

Field	Description
kind string	Kind is the resource kind, for example “OperatingSystemConfig”.
type string	Type is the resource type, for example “coreos” or “ubuntu”.
globallyEnabled bool	(Optional) GloballyEnabled determines if this ControllerResource is required by all Shoot clusters. This field is defaulted to false when kind is “Extension”.
reconcileTimeout Kubernetes meta/v1.Duration	(Optional) ReconcileTimeout defines how long Gardener should wait for the resource reconciliation. This field is defaulted to 3m0s when kind is “Extension”.
primary bool	(Optional) Primary determines if the controller backed by this ControllerRegistration is responsible for the extension resource’s lifecycle. This field defaults to true. There must be exactly one primary controller for this kind/type combination. This field is immutable.
lifecycle ControllerResourceLifecycle	(Optional) Lifecycle defines a strategy that determines when different operations on a ControllerResource should be performed. This field is defaulted in the following way when kind is “Extension”. Reconcile: “AfterKubeAPIServer” Delete: “BeforeKubeAPIServer” Migrate: “BeforeKubeAPIServer”
workerlessSupported bool	(Optional) WorkerlessSupported specifies whether this ControllerResource supports Workerless Shoot clusters. This field is only relevant when kind is “Extension”.

ControllerResourceLifecycle

(Appears on: ControllerResource)

ControllerResourceLifecycle defines the lifecycle of a controller resource.

Field	Description
reconcile ControllerResourceLifecycleStrategy	(Optional) Reconcile defines the strategy during reconciliation.
delete ControllerResourceLifecycleStrategy	(Optional) Delete defines the strategy during deletion.
migrate ControllerResourceLifecycleStrategy	(Optional) Migrate defines the strategy during migration.

ControllerResourceLifecycleStrategy (string alias)

(Appears on: ControllerResourceLifecycle)

ControllerResourceLifecycleStrategy is a string alias.

CoreDNS

(Appears on: SystemComponents)

CoreDNS contains the settings of the Core DNS components running in the data plane of the Shoot cluster.

Field	Description
autoscaling CoreDNSAutoscaling	(Optional) Autoscaling contains the settings related to autoscaling of the Core DNS components running in the data plane of the Shoot cluster.
rewriting CoreDNSRewriting	(Optional) Rewriting contains the setting related to rewriting of requests, which are obviously incorrect due to the unnecessary application of the search path.

CoreDNSAutoscaling

(Appears on: CoreDNS)

CoreDNSAutoscaling contains the settings related to autoscaling of the Core DNS components running in the data plane of the Shoot cluster.

Field	Description
mode CoreDNSAutoscalingMode	The mode of the autoscaling to be used for the Core DNS components running in the data plane of the Shoot cluster. Supported values are horizontal and cluster-proportional.

CoreDNSAutoscalingMode (string alias)

(Appears on: CoreDNSAutoscaling)

CoreDNSAutoscalingMode is a type alias for the Core DNS autoscaling mode string.

CoreDNSRewriting

(Appears on: CoreDNS)

CoreDNSRewriting contains the setting related to rewriting requests, which are obviously incorrect due to the unnecessary application of the search path.

Field	Description
commonSuffixes []string	(Optional) CommonSuffixes are expected to be the suffix of a fully qualified domain name. Each suffix should contain at least one or two dots (‘.’) to prevent accidental clashes.

CredentialsRotationPhase (string alias)

(Appears on: CARotation, ETCDEncryptionKeyRotation, ServiceAccountKeyRotation)

CredentialsRotationPhase is a string alias.

DNS

(Appears on: ShootSpec)

DNS holds information about the provider, the hosted zone id and the domain.

Field	Description
domain string	(Optional) Domain is the external available domain of the Shoot cluster. This domain will be written into the kubeconfig that is handed out to end-users. This field is immutable.
providers []DNSProvider	(Optional) Providers is a list of DNS providers that shall be enabled for this shoot cluster. Only relevant if not a default domain is used. Deprecated: Configuring multiple DNS providers is deprecated and will be forbidden in a future release. Please use the DNS extension provider config (e.g. shoot-dns-service) for additional providers.

DNSIncludeExclude

(Appears on: DNSProvider)

DNSIncludeExclude contains information about which domains shall be included/excluded.

Field	Description
include []string	(Optional) Include is a list of domains that shall be included.
exclude []string	(Optional) Exclude is a list of domains that shall be excluded.

DNSProvider

(Appears on: DNS)

DNSProvider contains information about a DNS provider.

Field	Description
domains DNSIncludeExclude	(Optional) Domains contains information about which domains shall be included/excluded for this provider. Deprecated: This field is deprecated and will be removed in a future release. Please use the DNS extension provider config (e.g. shoot-dns-service) for additional configuration.
primary bool	(Optional) Primary indicates that this DNSProvider is used for shoot related domains. Deprecated: This field is deprecated and will be removed in a future release. Please use the DNS extension provider config (e.g. shoot-dns-service) for additional and non-primary providers.
secretName string	(Optional) SecretName is a name of a secret containing credentials for the stated domain and the provider. When not specified, the Gardener will use the cloud provider credentials referenced by the Shoot and try to find respective credentials there (primary provider only). Specifying this field may override this behavior, i.e. forcing the Gardener to only look into the given secret.
type string	(Optional) Type is the DNS provider type.
zones DNSIncludeExclude	(Optional) Zones contains information about which hosted zones shall be included/excluded for this provider. Deprecated: This field is deprecated and will be removed in a future release. Please use the DNS extension provider config (e.g. shoot-dns-service) for additional configuration.

DataVolume

(Appears on: Worker)

DataVolume contains information about a data volume.

Field	Description
name string	Name of the volume to make it referencable.
type string	(Optional) Type is the type of the volume.
size string	VolumeSize is the size of the volume.
encrypted bool	(Optional) Encrypted determines if the volume should be encrypted.

DeploymentRef

(Appears on: ControllerRegistrationDeployment)

DeploymentRef contains information about ControllerDeployment references.

Field	Description
name string	Name is the name of the ControllerDeployment that is being referred to.

DualApprovalForDeletion

(Appears on: ProjectSpec)

DualApprovalForDeletion contains configuration for the dual approval concept for resource deletion.

Field	Description
resource string	Resource is the name of the resource this applies to.
selector Kubernetes meta/v1.LabelSelector	Selector is the label selector for the resources.
includeServiceAccounts bool	(Optional) IncludeServiceAccounts specifies whether the concept also applies when deletion is triggered by ServiceAccounts. Defaults to true.

ETCDEncryptionKeyRotation

(Appears on: ShootCredentialsRotation)

ETCDEncryptionKeyRotation contains information about the ETCD encryption key credential rotation.

Field	Description
phase CredentialsRotationPhase	Phase describes the phase of the ETCD encryption key credential rotation.
lastCompletionTime Kubernetes meta/v1.Time	(Optional) LastCompletionTime is the most recent time when the ETCD encryption key credential rotation was successfully completed.
lastInitiationTime Kubernetes meta/v1.Time	(Optional) LastInitiationTime is the most recent time when the ETCD encryption key credential rotation was initiated.
lastInitiationFinishedTime Kubernetes meta/v1.Time	(Optional) LastInitiationFinishedTime is the recent time when the ETCD encryption key credential rotation initiation was completed.
lastCompletionTriggeredTime Kubernetes meta/v1.Time	(Optional) LastCompletionTriggeredTime is the recent time when the ETCD encryption key credential rotation completion was triggered.

EncryptionConfig

(Appears on: KubeAPIServerConfig)

EncryptionConfig contains customizable encryption configuration of the API server.

Field

Description

resources []string

Resources contains the list of resources that shall be encrypted in addition to secrets. Each item is a Kubernetes resource name in plural (resource or resource.group) that should be encrypted. Note that configuring a custom resource is only supported for versions >= 1.26. Wildcards are not supported for now. See https://github.com/gardener/gardener/blob/master/docs/usage/security/etcd_encryption_config.md for more details.

ErrorCode (string alias)

(Appears on: Condition, LastError)

ErrorCode is a string alias.

ExpanderMode (string alias)

(Appears on: ClusterAutoscaler)

ExpanderMode is type used for Expander values

ExpirableVersion

(Appears on: KubernetesSettings, MachineImageVersion)

ExpirableVersion contains a version and an expiration date.

Field	Description
version string	Version is the version identifier.
expirationDate Kubernetes meta/v1.Time	(Optional) ExpirationDate defines the time at which this version expires.
classification VersionClassification	(Optional) Classification defines the state of a version (preview, supported, deprecated)

ExposureClassScheduling

(Appears on: ExposureClass)

ExposureClassScheduling holds information to select applicable Seed’s for ExposureClass usage.

Field	Description
seedSelector SeedSelector	(Optional) SeedSelector is an optional label selector for Seed’s which are suitable to use the ExposureClass.
tolerations []Toleration	(Optional) Tolerations contains the tolerations for taints on Seed clusters.

Extension

(Appears on: ShootSpec)

Extension contains type and provider information for Shoot extensions.

Field	Description
type string	Type is the type of the extension resource.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig is the configuration passed to extension resource.
disabled bool	(Optional) Disabled allows to disable extensions that were marked as ‘globally enabled’ by Gardener administrators.

ExtensionResourceState

(Appears on: ShootStateSpec)

ExtensionResourceState contains the kind of the extension custom resource and its last observed state in the Shoot’s namespace on the Seed cluster.

Field	Description
kind string	Kind (type) of the extension custom resource
name string	(Optional) Name of the extension custom resource
purpose string	(Optional) Purpose of the extension custom resource
state k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) State of the extension resource
resources []NamedResourceReference	(Optional) Resources holds a list of named resource references that can be referred to in the state by their names.

FailureTolerance

(Appears on: HighAvailability)

FailureTolerance describes information about failure tolerance level of a highly available resource.

Field	Description
type FailureToleranceType	Type specifies the type of failure that the highly available resource can tolerate

FailureToleranceType (string alias)

(Appears on: FailureTolerance)

FailureToleranceType specifies the type of failure that a highly available shoot control plane that can tolerate.

Gardener

(Appears on: SeedStatus, ShootStatus)

Gardener holds the information about the Gardener version that operated a resource.

Field	Description
id string	ID is the container id of the Gardener which last acted on a resource.
name string	Name is the hostname (pod name) of the Gardener which last acted on a resource.
version string	Version is the version of the Gardener which last acted on a resource.

GardenerResourceData

(Appears on: ShootStateSpec)

GardenerResourceData holds the data which is used to generate resources, deployed in the Shoot’s control plane.

Field	Description
name string	Name of the object required to generate resources
type string	Type of the object
data k8s.io/apimachinery/pkg/runtime.RawExtension	Data contains the payload required to generate resources
labels map[string]string	(Optional) Labels are labels of the object

HelmControllerDeployment

HelmControllerDeployment configures how an extension controller is deployed using helm. This is the legacy structure that used to be defined in gardenlet’s ControllerInstallation controller for ControllerDeployment’s with type=helm. While this is not a proper API type, we need to define the structure in the API package so that we can convert it to the internal API version in the new representation.

Field	Description
chart []byte	Chart is a Helm chart tarball.
values Kubernetes apiextensions/v1.JSON	Values is a map of values for the given chart.
ociRepository OCIRepository	(Optional) OCIRepository defines where to pull the chart.

Hibernation

(Appears on: ShootSpec)

Hibernation contains information whether the Shoot is suspended or not.

Field	Description
enabled bool	(Optional) Enabled specifies whether the Shoot needs to be hibernated or not. If it is true, the Shoot’s desired state is to be hibernated. If it is false or nil, the Shoot’s desired state is to be awakened.
schedules []HibernationSchedule	(Optional) Schedules determine the hibernation schedules.

HibernationSchedule

(Appears on: Hibernation)

HibernationSchedule determines the hibernation schedule of a Shoot. A Shoot will be regularly hibernated at each start time and will be woken up at each end time. Start or End can be omitted, though at least one of each has to be specified.

Field	Description
start string	(Optional) Start is a Cron spec at which time a Shoot will be hibernated.
end string	(Optional) End is a Cron spec at which time a Shoot will be woken up.
location string	(Optional) Location is the time location in which both start and shall be evaluated.

HighAvailability

(Appears on: ControlPlane)

HighAvailability specifies the configuration settings for high availability for a resource. Typical usages could be to configure HA for shoot control plane or for seed system components.

Field	Description
failureTolerance FailureTolerance	FailureTolerance holds information about failure tolerance level of a highly available resource.

HorizontalPodAutoscalerConfig

(Appears on: KubeControllerManagerConfig)

HorizontalPodAutoscalerConfig contains horizontal pod autoscaler configuration settings for the kube-controller-manager. Note: Descriptions were taken from the Kubernetes documentation.

Field	Description
cpuInitializationPeriod Kubernetes meta/v1.Duration	(Optional) The period after which a ready pod transition is considered to be the first.
downscaleStabilization Kubernetes meta/v1.Duration	(Optional) The configurable window at which the controller will choose the highest recommendation for autoscaling.
initialReadinessDelay Kubernetes meta/v1.Duration	(Optional) The configurable period at which the horizontal pod autoscaler considers a Pod “not yet ready” given that it’s unready and it has transitioned to unready during that time.
syncPeriod Kubernetes meta/v1.Duration	(Optional) The period for syncing the number of pods in horizontal pod autoscaler.
tolerance float64	(Optional) The minimum change (from 1.0) in the desired-to-actual metrics ratio for the horizontal pod autoscaler to consider scaling.

IPFamily (string alias)

(Appears on: Networking, SeedNetworks)

IPFamily is a type for specifying an IP protocol version to use in Gardener clusters.

Ingress

(Appears on: SeedSpec)

Ingress configures the Ingress specific settings of the cluster

Field	Description
domain string	Domain specifies the IngressDomain of the cluster pointing to the ingress controller endpoint. It will be used to construct ingress URLs for system applications running in Shoot/Garden clusters. Once set this field is immutable.
controller IngressController	Controller configures a Gardener managed Ingress Controller listening on the ingressDomain

IngressController

(Appears on: Ingress)

IngressController enables a Gardener managed Ingress Controller listening on the ingressDomain

Field	Description
kind string	Kind defines which kind of IngressController to use. At the moment only nginx is supported
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig specifies infrastructure specific configuration for the ingressController

KubeAPIServerConfig

(Appears on: Kubernetes)

KubeAPIServerConfig contains configuration settings for the kube-apiserver.

Field	Description
KubernetesConfig KubernetesConfig	(Members of KubernetesConfig are embedded into this type.)
admissionPlugins []AdmissionPlugin	(Optional) AdmissionPlugins contains the list of user-defined admission plugins (additional to those managed by Gardener), and, if desired, the corresponding configuration.
apiAudiences []string	(Optional) APIAudiences are the identifiers of the API. The service account token authenticator will validate that tokens used against the API are bound to at least one of these audiences. Defaults to [“kubernetes”].
auditConfig AuditConfig	(Optional) AuditConfig contains configuration settings for the audit of the kube-apiserver.
oidcConfig OIDCConfig	(Optional) OIDCConfig contains configuration settings for the OIDC provider. Deprecated: This field is deprecated and will be forbidden starting from Kubernetes 1.32. Please configure and use structured authentication instead of oidc flags. For more information check gardener#9858 TODO(AleksandarSavchev): Drop this field after support for Kubernetes 1.31 is dropped.
runtimeConfig map[string]bool	(Optional) RuntimeConfig contains information about enabled or disabled APIs.
serviceAccountConfig ServiceAccountConfig	(Optional) ServiceAccountConfig contains configuration settings for the service account handling of the kube-apiserver.
watchCacheSizes WatchCacheSizes	(Optional) WatchCacheSizes contains configuration of the API server’s watch cache sizes. Configuring these flags might be useful for large-scale Shoot clusters with a lot of parallel update requests and a lot of watching controllers (e.g. large ManagedSeed clusters). When the API server’s watch cache’s capacity is too small to cope with the amount of update requests and watchers for a particular resource, it might happen that controller watches are permanently stopped with too old resource version errors. Starting from kubernetes v1.19, the API server’s watch cache size is adapted dynamically and setting the watch cache size flags will have no effect, except when setting it to 0 (which disables the watch cache).
requests APIServerRequests	(Optional) Requests contains configuration for request-specific settings for the kube-apiserver.
enableAnonymousAuthentication bool	(Optional) EnableAnonymousAuthentication defines whether anonymous requests to the secure port of the API server should be allowed (flag --anonymous-auth). See: https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/
eventTTL Kubernetes meta/v1.Duration	(Optional) EventTTL controls the amount of time to retain events. Defaults to 1h.
logging APIServerLogging	(Optional) Logging contains configuration for the log level and HTTP access logs.
defaultNotReadyTolerationSeconds int64	(Optional) DefaultNotReadyTolerationSeconds indicates the tolerationSeconds of the toleration for notReady:NoExecute that is added by default to every pod that does not already have such a toleration (flag --default-not-ready-toleration-seconds). The field has effect only when the DefaultTolerationSeconds admission plugin is enabled. Defaults to 300.
defaultUnreachableTolerationSeconds int64	(Optional) DefaultUnreachableTolerationSeconds indicates the tolerationSeconds of the toleration for unreachable:NoExecute that is added by default to every pod that does not already have such a toleration (flag --default-unreachable-toleration-seconds). The field has effect only when the DefaultTolerationSeconds admission plugin is enabled. Defaults to 300.
encryptionConfig EncryptionConfig	(Optional) EncryptionConfig contains customizable encryption configuration of the Kube API server.
structuredAuthentication StructuredAuthentication	(Optional) StructuredAuthentication contains configuration settings for structured authentication for the kube-apiserver. This field is only available for Kubernetes v1.30 or later.
structuredAuthorization StructuredAuthorization	(Optional) StructuredAuthorization contains configuration settings for structured authorization for the kube-apiserver. This field is only available for Kubernetes v1.30 or later.

KubeControllerManagerConfig

(Appears on: Kubernetes)

KubeControllerManagerConfig contains configuration settings for the kube-controller-manager.

Field	Description
KubernetesConfig KubernetesConfig	(Members of KubernetesConfig are embedded into this type.)
horizontalPodAutoscaler HorizontalPodAutoscalerConfig	(Optional) HorizontalPodAutoscalerConfig contains horizontal pod autoscaler configuration settings for the kube-controller-manager.
nodeCIDRMaskSize int32	(Optional) NodeCIDRMaskSize defines the mask size for node cidr in cluster (default is 24). This field is immutable.
podEvictionTimeout Kubernetes meta/v1.Duration	(Optional) PodEvictionTimeout defines the grace period for deleting pods on failed nodes. Defaults to 2m. Deprecated: The corresponding kube-controller-manager flag --pod-eviction-timeout is deprecated in favor of the kube-apiserver flags --default-not-ready-toleration-seconds and --default-unreachable-toleration-seconds. The --pod-eviction-timeout flag does not have effect when the taint besed eviction is enabled. The taint based eviction is beta (enabled by default) since Kubernetes 1.13 and GA since Kubernetes 1.18. Hence, instead of setting this field, set the spec.kubernetes.kubeAPIServer.defaultNotReadyTolerationSeconds and spec.kubernetes.kubeAPIServer.defaultUnreachableTolerationSeconds.
nodeMonitorGracePeriod Kubernetes meta/v1.Duration	(Optional) NodeMonitorGracePeriod defines the grace period before an unresponsive node is marked unhealthy.

KubeProxyConfig

(Appears on: Kubernetes)

KubeProxyConfig contains configuration settings for the kube-proxy.

Field	Description
KubernetesConfig KubernetesConfig	(Members of KubernetesConfig are embedded into this type.)
mode ProxyMode	(Optional) Mode specifies which proxy mode to use. defaults to IPTables.
enabled bool	(Optional) Enabled indicates whether kube-proxy should be deployed or not. Depending on the networking extensions switching kube-proxy off might be rejected. Consulting the respective documentation of the used networking extension is recommended before using this field. defaults to true if not specified.

KubeSchedulerConfig

(Appears on: Kubernetes)

KubeSchedulerConfig contains configuration settings for the kube-scheduler.

Field	Description
KubernetesConfig KubernetesConfig	(Members of KubernetesConfig are embedded into this type.)
kubeMaxPDVols string	(Optional) KubeMaxPDVols allows to configure the KUBE_MAX_PD_VOLS environment variable for the kube-scheduler. Please find more information here: https://kubernetes.io/docs/concepts/storage/storage-limits/#custom-limits Note that using this field is considered alpha-/experimental-level and is on your own risk. You should be aware of all the side-effects and consequences when changing it.
profile SchedulingProfile	(Optional) Profile configures the scheduling profile for the cluster. If not specified, the used profile is “balanced” (provides the default kube-scheduler behavior).

KubeletConfig

(Appears on: Kubernetes, WorkerKubernetes)

KubeletConfig contains configuration settings for the kubelet.

Field	Description
KubernetesConfig KubernetesConfig	(Members of KubernetesConfig are embedded into this type.)
cpuCFSQuota bool	(Optional) CPUCFSQuota allows you to disable/enable CPU throttling for Pods.
cpuManagerPolicy string	(Optional) CPUManagerPolicy allows to set alternative CPU management policies (default: none).
evictionHard KubeletConfigEviction	(Optional) EvictionHard describes a set of eviction thresholds (e.g. memory.available<1Gi) that if met would trigger a Pod eviction. Default: memory.available: “100Mi/1Gi/5%” nodefs.available: “5%” nodefs.inodesFree: “5%” imagefs.available: “5%” imagefs.inodesFree: “5%”
evictionMaxPodGracePeriod int32	(Optional) EvictionMaxPodGracePeriod describes the maximum allowed grace period (in seconds) to use when terminating pods in response to a soft eviction threshold being met. Default: 90
evictionMinimumReclaim KubeletConfigEvictionMinimumReclaim	(Optional) EvictionMinimumReclaim configures the amount of resources below the configured eviction threshold that the kubelet attempts to reclaim whenever the kubelet observes resource pressure. Default: 0 for each resource
evictionPressureTransitionPeriod Kubernetes meta/v1.Duration	(Optional) EvictionPressureTransitionPeriod is the duration for which the kubelet has to wait before transitioning out of an eviction pressure condition. Default: 4m0s
evictionSoft KubeletConfigEviction	(Optional) EvictionSoft describes a set of eviction thresholds (e.g. memory.available<1.5Gi) that if met over a corresponding grace period would trigger a Pod eviction. Default: memory.available: “200Mi/1.5Gi/10%” nodefs.available: “10%” nodefs.inodesFree: “10%” imagefs.available: “10%” imagefs.inodesFree: “10%”
evictionSoftGracePeriod KubeletConfigEvictionSoftGracePeriod	(Optional) EvictionSoftGracePeriod describes a set of eviction grace periods (e.g. memory.available=1m30s) that correspond to how long a soft eviction threshold must hold before triggering a Pod eviction. Default: memory.available: 1m30s nodefs.available: 1m30s nodefs.inodesFree: 1m30s imagefs.available: 1m30s imagefs.inodesFree: 1m30s
maxPods int32	(Optional) MaxPods is the maximum number of Pods that are allowed by the Kubelet. Default: 110
podPidsLimit int64	(Optional) PodPIDsLimit is the maximum number of process IDs per pod allowed by the kubelet.
failSwapOn bool	(Optional) FailSwapOn makes the Kubelet fail to start if swap is enabled on the node. (default true).
kubeReserved KubeletConfigReserved	(Optional) KubeReserved is the configuration for resources reserved for kubernetes node components (mainly kubelet and container runtime). When updating these values, be aware that cgroup resizes may not succeed on active worker nodes. Look for the NodeAllocatableEnforced event to determine if the configuration was applied. Default: cpu=80m,memory=1Gi,pid=20k
systemReserved KubeletConfigReserved	(Optional) SystemReserved is the configuration for resources reserved for system processes not managed by kubernetes (e.g. journald). When updating these values, be aware that cgroup resizes may not succeed on active worker nodes. Look for the NodeAllocatableEnforced event to determine if the configuration was applied. Deprecated: Separately configuring resource reservations for system processes is deprecated in Gardener and will be forbidden starting from Kubernetes 1.31. Please merge existing resource reservations into the kubeReserved field. TODO(MichaelEischer): Drop this field after support for Kubernetes 1.30 is dropped.
imageGCHighThresholdPercent int32	(Optional) ImageGCHighThresholdPercent describes the percent of the disk usage which triggers image garbage collection. Default: 50
imageGCLowThresholdPercent int32	(Optional) ImageGCLowThresholdPercent describes the percent of the disk to which garbage collection attempts to free. Default: 40
serializeImagePulls bool	(Optional) SerializeImagePulls describes whether the images are pulled one at a time. Default: true
registryPullQPS int32	(Optional) RegistryPullQPS is the limit of registry pulls per second. The value must not be a negative number. Setting it to 0 means no limit. Default: 5
registryBurst int32	(Optional) RegistryBurst is the maximum size of bursty pulls, temporarily allows pulls to burst to this number, while still not exceeding registryPullQPS. The value must not be a negative number. Only used if registryPullQPS is greater than 0. Default: 10
seccompDefault bool	(Optional) SeccompDefault enables the use of RuntimeDefault as the default seccomp profile for all workloads. This requires the corresponding SeccompDefault feature gate to be enabled as well. This field is only available for Kubernetes v1.25 or later.
containerLogMaxSize k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) A quantity defines the maximum size of the container log file before it is rotated. For example: “5Mi” or “256Ki”. Default: 100Mi
containerLogMaxFiles int32	(Optional) Maximum number of container log files that can be present for a container.
protectKernelDefaults bool	(Optional) ProtectKernelDefaults ensures that the kernel tunables are equal to the kubelet defaults. Defaults to true for Kubernetes v1.26 or later.
streamingConnectionIdleTimeout Kubernetes meta/v1.Duration	(Optional) StreamingConnectionIdleTimeout is the maximum time a streaming connection can be idle before the connection is automatically closed. This field cannot be set lower than “30s” or greater than “4h”. Default: “4h” for Kubernetes < v1.26. “5m” for Kubernetes >= v1.26.
memorySwap MemorySwapConfiguration	(Optional) MemorySwap configures swap memory available to container workloads.

KubeletConfigEviction

(Appears on: KubeletConfig)

KubeletConfigEviction contains kubelet eviction thresholds supporting either a resource.Quantity or a percentage based value.

Field	Description
memoryAvailable string	(Optional) MemoryAvailable is the threshold for the free memory on the host server.
imageFSAvailable string	(Optional) ImageFSAvailable is the threshold for the free disk space in the imagefs filesystem (docker images and container writable layers).
imageFSInodesFree string	(Optional) ImageFSInodesFree is the threshold for the available inodes in the imagefs filesystem.
nodeFSAvailable string	(Optional) NodeFSAvailable is the threshold for the free disk space in the nodefs filesystem (docker volumes, logs, etc).
nodeFSInodesFree string	(Optional) NodeFSInodesFree is the threshold for the available inodes in the nodefs filesystem.

KubeletConfigEvictionMinimumReclaim

(Appears on: KubeletConfig)

KubeletConfigEvictionMinimumReclaim contains configuration for the kubelet eviction minimum reclaim.

Field	Description
memoryAvailable k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) MemoryAvailable is the threshold for the memory reclaim on the host server.
imageFSAvailable k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) ImageFSAvailable is the threshold for the disk space reclaim in the imagefs filesystem (docker images and container writable layers).
imageFSInodesFree k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) ImageFSInodesFree is the threshold for the inodes reclaim in the imagefs filesystem.
nodeFSAvailable k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) NodeFSAvailable is the threshold for the disk space reclaim in the nodefs filesystem (docker volumes, logs, etc).
nodeFSInodesFree k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) NodeFSInodesFree is the threshold for the inodes reclaim in the nodefs filesystem.

KubeletConfigEvictionSoftGracePeriod

(Appears on: KubeletConfig)

KubeletConfigEvictionSoftGracePeriod contains grace periods for kubelet eviction thresholds.

Field	Description
memoryAvailable Kubernetes meta/v1.Duration	(Optional) MemoryAvailable is the grace period for the MemoryAvailable eviction threshold.
imageFSAvailable Kubernetes meta/v1.Duration	(Optional) ImageFSAvailable is the grace period for the ImageFSAvailable eviction threshold.
imageFSInodesFree Kubernetes meta/v1.Duration	(Optional) ImageFSInodesFree is the grace period for the ImageFSInodesFree eviction threshold.
nodeFSAvailable Kubernetes meta/v1.Duration	(Optional) NodeFSAvailable is the grace period for the NodeFSAvailable eviction threshold.
nodeFSInodesFree Kubernetes meta/v1.Duration	(Optional) NodeFSInodesFree is the grace period for the NodeFSInodesFree eviction threshold.

KubeletConfigReserved

(Appears on: KubeletConfig)

KubeletConfigReserved contains reserved resources for daemons

Field	Description
cpu k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) CPU is the reserved cpu.
memory k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) Memory is the reserved memory.
ephemeralStorage k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) EphemeralStorage is the reserved ephemeral-storage.
pid k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) PID is the reserved process-ids.

Kubernetes

(Appears on: ShootSpec)

Kubernetes contains the version and configuration variables for the Shoot control plane.

Field	Description
clusterAutoscaler ClusterAutoscaler	(Optional) ClusterAutoscaler contains the configuration flags for the Kubernetes cluster autoscaler.
kubeAPIServer KubeAPIServerConfig	(Optional) KubeAPIServer contains configuration settings for the kube-apiserver.
kubeControllerManager KubeControllerManagerConfig	(Optional) KubeControllerManager contains configuration settings for the kube-controller-manager.
kubeScheduler KubeSchedulerConfig	(Optional) KubeScheduler contains configuration settings for the kube-scheduler.
kubeProxy KubeProxyConfig	(Optional) KubeProxy contains configuration settings for the kube-proxy.
kubelet KubeletConfig	(Optional) Kubelet contains configuration settings for the kubelet.
version string	(Optional) Version is the semantic Kubernetes version to use for the Shoot cluster. Defaults to the highest supported minor and patch version given in the referenced cloud profile. The version can be omitted completely or partially specified, e.g. <major>.<minor>.
verticalPodAutoscaler VerticalPodAutoscaler	(Optional) VerticalPodAutoscaler contains the configuration flags for the Kubernetes vertical pod autoscaler.
enableStaticTokenKubeconfig bool	(Optional) EnableStaticTokenKubeconfig indicates whether static token kubeconfig secret will be created for the Shoot cluster. Defaults to true for Shoots with Kubernetes versions < 1.26. Defaults to false for Shoots with Kubernetes versions >= 1.26. Starting Kubernetes 1.27 the field will be locked to false.

KubernetesConfig

(Appears on: KubeAPIServerConfig, KubeControllerManagerConfig, KubeProxyConfig, KubeSchedulerConfig, KubeletConfig)

KubernetesConfig contains common configuration fields for the control plane components.

Field	Description
featureGates map[string]bool	(Optional) FeatureGates contains information about enabled feature gates.

KubernetesDashboard

(Appears on: Addons)

KubernetesDashboard describes configuration values for the kubernetes-dashboard addon.

Field	Description
Addon Addon	(Members of Addon are embedded into this type.)
authenticationMode string	(Optional) AuthenticationMode defines the authentication mode for the kubernetes-dashboard.

KubernetesSettings

(Appears on: CloudProfileSpec, NamespacedCloudProfileSpec)

KubernetesSettings contains constraints regarding allowed values of the ‘kubernetes’ block in the Shoot specification.

Field	Description
versions []ExpirableVersion	(Optional) Versions is the list of allowed Kubernetes versions with optional expiration dates for Shoot clusters.

LastError

(Appears on: BackupBucketStatus, BackupEntryStatus, ShootStatus)

LastError indicates the last occurred error for an operation on a resource.

Field	Description
description string	A human readable message indicating details about the last error.
taskID string	(Optional) ID of the task which caused this last error
codes []ErrorCode	(Optional) Well-defined error codes of the last error(s).
lastUpdateTime Kubernetes meta/v1.Time	(Optional) Last time the error was reported

LastMaintenance

(Appears on: ShootStatus)

LastMaintenance holds information about a maintenance operation on the Shoot.

Field	Description
description string	A human-readable message containing details about the operations performed in the last maintenance.
triggeredTime Kubernetes meta/v1.Time	TriggeredTime is the time when maintenance was triggered.
state LastOperationState	Status of the last maintenance operation, one of Processing, Succeeded, Error.
failureReason string	(Optional) FailureReason holds the information about the last maintenance operation failure reason.

LastOperation

(Appears on: BackupBucketStatus, BackupEntryStatus, SeedStatus, ShootStatus)

LastOperation indicates the type and the state of the last operation, along with a description message and a progress indicator.

Field	Description
description string	A human readable message indicating details about the last operation.
lastUpdateTime Kubernetes meta/v1.Time	Last time the operation state transitioned from one to another.
progress int32	The progress in percentage (0-100) of the last operation.
state LastOperationState	Status of the last operation, one of Aborted, Processing, Succeeded, Error, Failed.
type LastOperationType	Type of the last operation, one of Create, Reconcile, Delete, Migrate, Restore.

LastOperationState (string alias)

(Appears on: LastMaintenance, LastOperation)

LastOperationState is a string alias.

LastOperationType (string alias)

(Appears on: LastOperation)

LastOperationType is a string alias.

LoadBalancerServicesProxyProtocol

(Appears on: SeedSettingLoadBalancerServices, SeedSettingLoadBalancerServicesZones)

LoadBalancerServicesProxyProtocol controls whether ProxyProtocol is (optionally) allowed for the load balancer services.

Field

Description

allowed bool

Allowed controls whether the ProxyProtocol is optionally allowed for the load balancer services. This should only be enabled if the load balancer services are already using ProxyProtocol or will be reconfigured to use it soon. Until the load balancers are configured with ProxyProtocol, enabling this setting may allow clients to spoof their source IP addresses. The option allows a migration from non-ProxyProtocol to ProxyProtocol without downtime (depending on the infrastructure). Defaults to false.

Machine

(Appears on: Worker)

Machine contains information about the machine type and image.

Field	Description
type string	Type is the machine type of the worker group.
image ShootMachineImage	(Optional) Image holds information about the machine image to use for all nodes of this pool. It will default to the latest version of the first image stated in the referenced CloudProfile if no value has been provided.
architecture string	(Optional) Architecture is CPU architecture of machines in this worker pool.

MachineControllerManagerSettings

(Appears on: Worker)

MachineControllerManagerSettings contains configurations for different worker-pools. Eg. MachineDrainTimeout, MachineHealthTimeout.

Field	Description
machineDrainTimeout Kubernetes meta/v1.Duration	(Optional) MachineDrainTimeout is the period after which machine is forcefully deleted.
machineHealthTimeout Kubernetes meta/v1.Duration	(Optional) MachineHealthTimeout is the period after which machine is declared failed.
machineCreationTimeout Kubernetes meta/v1.Duration	(Optional) MachineCreationTimeout is the period after which creation of the machine is declared failed.
maxEvictRetries int32	(Optional) MaxEvictRetries are the number of eviction retries on a pod after which drain is declared failed, and forceful deletion is triggered.
nodeConditions []string	(Optional) NodeConditions are the set of conditions if set to true for the period of MachineHealthTimeout, machine will be declared failed.

MachineImage

(Appears on: CloudProfileSpec, NamespacedCloudProfileSpec)

MachineImage defines the name and multiple versions of the machine image in any environment.

Field	Description
name string	Name is the name of the image.
versions []MachineImageVersion	Versions contains versions, expiration dates and container runtimes of the machine image
updateStrategy MachineImageUpdateStrategy	(Optional) UpdateStrategy is the update strategy to use for the machine image. Possible values are: - patch: update to the latest patch version of the current minor version. - minor: update to the latest minor and patch version. - major: always update to the overall latest version (default).

MachineImageUpdateStrategy (string alias)

(Appears on: MachineImage)

MachineImageUpdateStrategy is the update strategy to use for a machine image

MachineImageVersion

(Appears on: MachineImage)

MachineImageVersion is an expirable version with list of supported container runtimes and interfaces

Field	Description
ExpirableVersion ExpirableVersion	(Members of ExpirableVersion are embedded into this type.)
cri []CRI	(Optional) CRI list of supported container runtime and interfaces supported by this version
architectures []string	(Optional) Architectures is the list of CPU architectures of the machine image in this version.
kubeletVersionConstraint string	(Optional) KubeletVersionConstraint is a constraint describing the supported kubelet versions by the machine image in this version. If the field is not specified, it is assumed that the machine image in this version supports all kubelet versions. Examples: - ‘>= 1.26’ - supports only kubelet versions greater than or equal to 1.26 - ‘< 1.26’ - supports only kubelet versions less than 1.26

MachineType

(Appears on: CloudProfileSpec, NamespacedCloudProfileSpec)

MachineType contains certain properties of a machine type.

Field	Description
cpu k8s.io/apimachinery/pkg/api/resource.Quantity	CPU is the number of CPUs for this machine type.
gpu k8s.io/apimachinery/pkg/api/resource.Quantity	GPU is the number of GPUs for this machine type.
memory k8s.io/apimachinery/pkg/api/resource.Quantity	Memory is the amount of memory for this machine type.
name string	Name is the name of the machine type.
storage MachineTypeStorage	(Optional) Storage is the amount of storage associated with the root volume of this machine type.
usable bool	(Optional) Usable defines if the machine type can be used for shoot clusters.
architecture string	(Optional) Architecture is the CPU architecture of this machine type.

MachineTypeStorage

(Appears on: MachineType)

MachineTypeStorage is the amount of storage associated with the root volume of this machine type.

Field	Description
class string	Class is the class of the storage type.
size k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) StorageSize is the storage size.
type string	Type is the type of the storage.
minSize k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) MinSize is the minimal supported storage size. This overrides any other common minimum size configuration from spec.volumeTypes[*].minSize.

Maintenance

(Appears on: ShootSpec)

Maintenance contains information about the time window for maintenance operations and which operations should be performed.

Field	Description
autoUpdate MaintenanceAutoUpdate	(Optional) AutoUpdate contains information about which constraints should be automatically updated.
timeWindow MaintenanceTimeWindow	(Optional) TimeWindow contains information about the time window for maintenance operations.
confineSpecUpdateRollout bool	(Optional) ConfineSpecUpdateRollout prevents that changes/updates to the shoot specification will be rolled out immediately. Instead, they are rolled out during the shoot’s maintenance time window. There is one exception that will trigger an immediate roll out which is changes to the Spec.Hibernation.Enabled field.

MaintenanceAutoUpdate

(Appears on: Maintenance)

MaintenanceAutoUpdate contains information about which constraints should be automatically updated.

Field	Description
kubernetesVersion bool	KubernetesVersion indicates whether the patch Kubernetes version may be automatically updated (default: true).
machineImageVersion bool	(Optional) MachineImageVersion indicates whether the machine image version may be automatically updated (default: true).

MaintenanceTimeWindow

(Appears on: Maintenance)

MaintenanceTimeWindow contains information about the time window for maintenance operations.

Field	Description
begin string	Begin is the beginning of the time window in the format HHMMSS+ZONE, e.g. “220000+0100”. If not present, a random value will be computed.
end string	End is the end of the time window in the format HHMMSS+ZONE, e.g. “220000+0100”. If not present, the value will be computed based on the “Begin” value.

MemorySwapConfiguration

(Appears on: KubeletConfig)

MemorySwapConfiguration contains kubelet swap configuration For more information, please see KEP: 2400-node-swap

Field	Description
swapBehavior SwapBehavior	(Optional) SwapBehavior configures swap memory available to container workloads. May be one of {“LimitedSwap”, “UnlimitedSwap”} defaults to: LimitedSwap

Monitoring

(Appears on: ShootSpec)

Monitoring contains information about the monitoring configuration for the shoot.

Field	Description
alerting Alerting	(Optional) Alerting contains information about the alerting configuration for the shoot cluster.

NamedResourceReference

(Appears on: ExtensionResourceState, ShootSpec)

NamedResourceReference is a named reference to a resource.

Field	Description
name string	Name of the resource reference.
resourceRef Kubernetes autoscaling/v1.CrossVersionObjectReference	ResourceRef is a reference to a resource.

NamespacedCloudProfileSpec

(Appears on: NamespacedCloudProfile)

NamespacedCloudProfileSpec is the specification of a NamespacedCloudProfile.

Field	Description
caBundle string	(Optional) CABundle is a certificate bundle which will be installed onto every host machine of shoot cluster targeting this profile.
kubernetes KubernetesSettings	(Optional) Kubernetes contains constraints regarding allowed values of the ‘kubernetes’ block in the Shoot specification.
machineImages []MachineImage	(Optional) MachineImages contains constraints regarding allowed values for machine images in the Shoot specification.
machineTypes []MachineType	(Optional) MachineTypes contains constraints regarding allowed values for machine types in the ‘workers’ block in the Shoot specification.
volumeTypes []VolumeType	(Optional) VolumeTypes contains constraints regarding allowed values for volume types in the ‘workers’ block in the Shoot specification.
parent CloudProfileReference	Parent contains a reference to a CloudProfile it inherits from.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig contains provider-specific configuration for the profile.

NamespacedCloudProfileStatus

(Appears on: NamespacedCloudProfile)

NamespacedCloudProfileStatus holds the most recently observed status of the NamespacedCloudProfile.

Field	Description
cloudProfileSpec CloudProfileSpec	CloudProfile is the most recently generated CloudProfile of the NamespacedCloudProfile.
observedGeneration int64	(Optional) ObservedGeneration is the most recent generation observed for this NamespacedCloudProfile.

Networking

(Appears on: ShootSpec)

Networking defines networking parameters for the shoot cluster.

Field	Description
type string	(Optional) Type identifies the type of the networking plugin. This field is immutable.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig is the configuration passed to network resource.
pods string	(Optional) Pods is the CIDR of the pod network. This field is immutable.
nodes string	(Optional) Nodes is the CIDR of the entire node network. This field is mutable.
services string	(Optional) Services is the CIDR of the service network. This field is immutable.
ipFamilies []IPFamily	(Optional) IPFamilies specifies the IP protocol versions to use for shoot networking. This field is immutable. See https://github.com/gardener/gardener/blob/master/docs/development/ipv6.md. Defaults to [“IPv4”].

NetworkingStatus

(Appears on: ShootStatus)

NetworkingStatus contains information about cluster networking such as CIDRs.

Field	Description
pods []string	(Optional) Pods are the CIDRs of the pod network.
nodes []string	(Optional) Nodes are the CIDRs of the node network.
services []string	(Optional) Services are the CIDRs of the service network.
egressCIDRs []string	(Optional) EgressCIDRs is a list of CIDRs used by the shoot as the source IP for egress traffic as reported by the used Infrastructure extension controller. For certain environments the egress IPs may not be stable in which case the extension controller may opt to not populate this field.

NginxIngress

(Appears on: Addons)

NginxIngress describes configuration values for the nginx-ingress addon.

Field	Description
Addon Addon	(Members of Addon are embedded into this type.)
loadBalancerSourceRanges []string	(Optional) LoadBalancerSourceRanges is list of allowed IP sources for NginxIngress
config map[string]string	(Optional) Config contains custom configuration for the nginx-ingress-controller configuration. See https://github.com/kubernetes/ingress-nginx/blob/master/docs/user-guide/nginx-configuration/configmap.md#configuration-options
externalTrafficPolicy Kubernetes core/v1.ServiceExternalTrafficPolicy	(Optional) ExternalTrafficPolicy controls the .spec.externalTrafficPolicy value of the load balancer Service exposing the nginx-ingress. Defaults to Cluster.

NodeLocalDNS

(Appears on: SystemComponents)

NodeLocalDNS contains the settings of the node local DNS components running in the data plane of the Shoot cluster.

Field	Description
enabled bool	Enabled indicates whether node local DNS is enabled or not.
forceTCPToClusterDNS bool	(Optional) ForceTCPToClusterDNS indicates whether the connection from the node local DNS to the cluster DNS (Core DNS) will be forced to TCP or not. Default, if unspecified, is to enforce TCP.
forceTCPToUpstreamDNS bool	(Optional) ForceTCPToUpstreamDNS indicates whether the connection from the node local DNS to the upstream DNS (infrastructure DNS) will be forced to TCP or not. Default, if unspecified, is to enforce TCP.
disableForwardToUpstreamDNS bool	(Optional) DisableForwardToUpstreamDNS indicates whether requests from node local DNS to upstream DNS should be disabled. Default, if unspecified, is to forward requests for external domains to upstream DNS

OCIRepository

(Appears on: HelmControllerDeployment)

OCIRepository configures where to pull an OCI Artifact, that could contain for example a Helm Chart.

Field	Description
ref string	(Optional) Ref is the full artifact Ref and takes precedence over all other fields.
repository string	(Optional) Repository is a reference to an OCI artifact repository.
tag string	(Optional) Tag is the image tag to pull.
digest string	(Optional) Digest of the image to pull, takes precedence over tag.

OIDCConfig

(Appears on: KubeAPIServerConfig)

OIDCConfig contains configuration settings for the OIDC provider. Note: Descriptions were taken from the Kubernetes documentation.

Field	Description
caBundle string	(Optional) If set, the OpenID server’s certificate will be verified by one of the authorities in the oidc-ca-file, otherwise the host’s root CA set will be used.
clientAuthentication OpenIDConnectClientAuthentication	(Optional) ClientAuthentication can optionally contain client configuration used for kubeconfig generation. Deprecated: This field has no implemented use and will be forbidden starting from Kubernetes 1.31. It’s use was planned for genereting OIDC kubeconfig gardener#1433 TODO(AleksandarSavchev): Drop this field after support for Kubernetes 1.30 is dropped.
clientID string	(Optional) The client ID for the OpenID Connect client, must be set.
groupsClaim string	(Optional) If provided, the name of a custom OpenID Connect claim for specifying user groups. The claim value is expected to be a string or array of strings. This flag is experimental, please see the authentication documentation for further details.
groupsPrefix string	(Optional) If provided, all groups will be prefixed with this value to prevent conflicts with other authentication strategies.
issuerURL string	(Optional) The URL of the OpenID issuer, only HTTPS scheme will be accepted. Used to verify the OIDC JSON Web Token (JWT).
requiredClaims map[string]string	(Optional) key=value pairs that describes a required claim in the ID Token. If set, the claim is verified to be present in the ID Token with a matching value.
signingAlgs []string	(Optional) List of allowed JOSE asymmetric signing algorithms. JWTs with a ‘alg’ header value not in this list will be rejected. Values are defined by RFC 7518 https://tools.ietf.org/html/rfc7518#section-3.1
usernameClaim string	(Optional) The OpenID claim to use as the user name. Note that claims other than the default (‘sub’) is not guaranteed to be unique and immutable. This flag is experimental, please see the authentication documentation for further details. (default “sub”)
usernamePrefix string	(Optional) If provided, all usernames will be prefixed with this value. If not provided, username claims other than ‘email’ are prefixed by the issuer URL to avoid clashes. To skip any prefixing, provide the value ‘-’.

ObservabilityRotation

(Appears on: ShootCredentialsRotation)

ObservabilityRotation contains information about the observability credential rotation.

Field	Description
lastInitiationTime Kubernetes meta/v1.Time	(Optional) LastInitiationTime is the most recent time when the observability credential rotation was initiated.
lastCompletionTime Kubernetes meta/v1.Time	(Optional) LastCompletionTime is the most recent time when the observability credential rotation was successfully completed.

OpenIDConnectClientAuthentication

(Appears on: OIDCConfig)

OpenIDConnectClientAuthentication contains configuration for OIDC clients.

Field	Description
extraConfig map[string]string	(Optional) Extra configuration added to kubeconfig’s auth-provider. Must not be any of idp-issuer-url, client-id, client-secret, idp-certificate-authority, idp-certificate-authority-data, id-token or refresh-token
secret string	(Optional) The client Secret for the OpenID Connect client.

ProjectMember

(Appears on: ProjectSpec)

ProjectMember is a member of a project.

Field	Description
Subject Kubernetes rbac/v1.Subject	(Members of Subject are embedded into this type.) Subject is representing a user name, an email address, or any other identifier of a user, group, or service account that has a certain role.
role string	Role represents the role of this member. IMPORTANT: Be aware that this field will be removed in the v1 version of this API in favor of the roles list. TODO: Remove this field in favor of the roles list in v1.
roles []string	(Optional) Roles represents the list of roles of this member.

ProjectPhase (string alias)

(Appears on: ProjectStatus)

ProjectPhase is a label for the condition of a project at the current time.

ProjectSpec

(Appears on: Project)

ProjectSpec is the specification of a Project.

Field	Description
createdBy Kubernetes rbac/v1.Subject	(Optional) CreatedBy is a subject representing a user name, an email address, or any other identifier of a user who created the project. This field is immutable.
description string	(Optional) Description is a human-readable description of what the project is used for.
owner Kubernetes rbac/v1.Subject	(Optional) Owner is a subject representing a user name, an email address, or any other identifier of a user owning the project. IMPORTANT: Be aware that this field will be removed in the v1 version of this API in favor of the owner role. The only way to change the owner will be by moving the owner role. In this API version the only way to change the owner is to use this field. TODO: Remove this field in favor of the owner role in v1.
purpose string	(Optional) Purpose is a human-readable explanation of the project’s purpose.
members []ProjectMember	(Optional) Members is a list of subjects representing a user name, an email address, or any other identifier of a user, group, or service account that has a certain role.
namespace string	(Optional) Namespace is the name of the namespace that has been created for the Project object. A nil value means that Gardener will determine the name of the namespace. This field is immutable.
tolerations ProjectTolerations	(Optional) Tolerations contains the tolerations for taints on seed clusters.
dualApprovalForDeletion []DualApprovalForDeletion	(Optional) DualApprovalForDeletion contains configuration for the dual approval concept for resource deletion.

ProjectStatus

(Appears on: Project)

ProjectStatus holds the most recently observed status of the project.

Field	Description
observedGeneration int64	(Optional) ObservedGeneration is the most recent generation observed for this project.
phase ProjectPhase	Phase is the current phase of the project.
staleSinceTimestamp Kubernetes meta/v1.Time	(Optional) StaleSinceTimestamp contains the timestamp when the project was first discovered to be stale/unused.
staleAutoDeleteTimestamp Kubernetes meta/v1.Time	(Optional) StaleAutoDeleteTimestamp contains the timestamp when the project will be garbage-collected/automatically deleted because it’s stale/unused.
lastActivityTimestamp Kubernetes meta/v1.Time	(Optional) LastActivityTimestamp contains the timestamp from the last activity performed in this project.

ProjectTolerations

(Appears on: ProjectSpec)

ProjectTolerations contains the tolerations for taints on seed clusters.

Field	Description
defaults []Toleration	(Optional) Defaults contains a list of tolerations that are added to the shoots in this project by default.
whitelist []Toleration	(Optional) Whitelist contains a list of tolerations that are allowed to be added to the shoots in this project. Please note that this list may only be added by users having the spec-tolerations-whitelist verb for project resources.

Provider

(Appears on: ShootSpec)

Provider contains provider-specific information that are handed-over to the provider-specific extension controller.

Field	Description
type string	Type is the type of the provider. This field is immutable.
controlPlaneConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ControlPlaneConfig contains the provider-specific control plane config blob. Please look up the concrete definition in the documentation of your provider extension.
infrastructureConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) InfrastructureConfig contains the provider-specific infrastructure config blob. Please look up the concrete definition in the documentation of your provider extension.
workers []Worker	(Optional) Workers is a list of worker groups.
workersSettings WorkersSettings	(Optional) WorkersSettings contains settings for all workers.

ProxyMode (string alias)

(Appears on: KubeProxyConfig)

ProxyMode available in Linux platform: ‘userspace’ (older, going to be EOL), ‘iptables’ (newer, faster), ‘ipvs’ (newest, better in performance and scalability). As of now only ‘iptables’ and ‘ipvs’ is supported by Gardener. In Linux platform, if the iptables proxy is selected, regardless of how, but the system’s kernel or iptables versions are insufficient, this always falls back to the userspace proxy. IPVS mode will be enabled when proxy mode is set to ‘ipvs’, and the fall back path is firstly iptables and then userspace.

QuotaSpec

(Appears on: Quota)

QuotaSpec is the specification of a Quota.

Field	Description
clusterLifetimeDays int32	(Optional) ClusterLifetimeDays is the lifetime of a Shoot cluster in days before it will be terminated automatically.
metrics Kubernetes core/v1.ResourceList	Metrics is a list of resources which will be put under constraints.
scope Kubernetes core/v1.ObjectReference	Scope is the scope of the Quota object, either ‘project’, ‘secret’ or ‘workloadidentity’. This field is immutable.

Region

(Appears on: CloudProfileSpec)

Region contains certain properties of a region.

Field	Description
name string	Name is a region name.
zones []AvailabilityZone	(Optional) Zones is a list of availability zones in this region.
labels map[string]string	(Optional) Labels is an optional set of key-value pairs that contain certain administrator-controlled labels for this region. It can be used by Gardener administrators/operators to provide additional information about a region, e.g. wrt quality, reliability, etc.
accessRestrictions []AccessRestriction	(Optional) AccessRestrictions describe a list of access restrictions that can be used for Shoots using this region.

ResourceData

(Appears on: ShootStateSpec)

ResourceData holds the data of a resource referred to by an extension controller state.

Field	Description
CrossVersionObjectReference Kubernetes autoscaling/v1.CrossVersionObjectReference	(Members of CrossVersionObjectReference are embedded into this type.)
data k8s.io/apimachinery/pkg/runtime.RawExtension	Data of the resource

ResourceWatchCacheSize

(Appears on: WatchCacheSizes)

ResourceWatchCacheSize contains configuration of the API server’s watch cache size for one specific resource.

Field	Description
apiGroup string	(Optional) APIGroup is the API group of the resource for which the watch cache size should be configured. An unset value is used to specify the legacy core API (e.g. for secrets).
resource string	Resource is the name of the resource for which the watch cache size should be configured (in lowercase plural form, e.g. secrets).
size int32	CacheSize specifies the watch cache size that should be configured for the specified resource.

SSHAccess

(Appears on: WorkersSettings)

SSHAccess contains settings regarding ssh access to the worker nodes.

Field	Description
enabled bool	Enabled indicates whether the SSH access to the worker nodes is ensured to be enabled or disabled in systemd. Defaults to true.

SchedulingProfile (string alias)

(Appears on: KubeSchedulerConfig)

SchedulingProfile is a string alias used for scheduling profile values.

SecretBindingProvider

(Appears on: SecretBinding)

SecretBindingProvider defines the provider type of the SecretBinding.

Field	Description
type string	Type is the type of the provider. For backwards compatibility, the field can contain multiple providers separated by a comma. However the usage of single SecretBinding (hence Secret) for different cloud providers is strongly discouraged.

SeedBackup

(Appears on: SeedSpec)

SeedBackup contains the object store configuration for backups for shoot (currently only etcd).

Field	Description
provider string	Provider is a provider name. This field is immutable.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig is the configuration passed to BackupBucket resource.
region string	(Optional) Region is a region name. This field is immutable.
secretRef Kubernetes core/v1.SecretReference	SecretRef is a reference to a Secret object containing the cloud provider credentials for the object store where backups should be stored. It should have enough privileges to manipulate the objects as well as buckets.

SeedDNS

(Appears on: SeedSpec)

SeedDNS contains DNS-relevant information about this seed cluster.

Field	Description
provider SeedDNSProvider	(Optional) Provider configures a DNSProvider

SeedDNSProvider

(Appears on: SeedDNS)

SeedDNSProvider configures a DNSProvider for Seeds

Field	Description
type string	Type describes the type of the dns-provider, for example aws-route53
secretRef Kubernetes core/v1.SecretReference	SecretRef is a reference to a Secret object containing cloud provider credentials used for registering external domains.

SeedNetworks

(Appears on: SeedSpec)

SeedNetworks contains CIDRs for the pod, service and node networks of a Kubernetes cluster.

Field	Description
nodes string	(Optional) Nodes is the CIDR of the node network. This field is immutable.
pods string	Pods is the CIDR of the pod network. This field is immutable.
services string	Services is the CIDR of the service network. This field is immutable.
shootDefaults ShootNetworks	(Optional) ShootDefaults contains the default networks CIDRs for shoots.
blockCIDRs []string	(Optional) BlockCIDRs is a list of network addresses that should be blocked for shoot control plane components running in the seed cluster.
ipFamilies []IPFamily	(Optional) IPFamilies specifies the IP protocol versions to use for seed networking. This field is immutable. See https://github.com/gardener/gardener/blob/master/docs/development/ipv6.md. Defaults to [“IPv4”].

SeedProvider

(Appears on: SeedSpec)

SeedProvider defines the provider-specific information of this Seed cluster.

Field	Description
type string	Type is the name of the provider.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig is the configuration passed to Seed resource.
region string	Region is a name of a region.
zones []string	(Optional) Zones is the list of availability zones the seed cluster is deployed to.

SeedSelector

(Appears on: CloudProfileSpec, ExposureClassScheduling, ShootSpec)

SeedSelector contains constraints for selecting seed to be usable for shoots using a profile

Field	Description
LabelSelector Kubernetes meta/v1.LabelSelector	(Members of LabelSelector are embedded into this type.) (Optional) LabelSelector is optional and can be used to select seeds by their label settings
providerTypes []string	(Optional) Providers is optional and can be used by restricting seeds by their provider type. ‘*’ can be used to enable seeds regardless of their provider type.

SeedSettingDependencyWatchdog

(Appears on: SeedSettings)

SeedSettingDependencyWatchdog controls the dependency-watchdog settings for the seed.

Field	Description
weeder SeedSettingDependencyWatchdogWeeder	(Optional) Weeder controls the weeder settings for the dependency-watchdog for the seed.
prober SeedSettingDependencyWatchdogProber	(Optional) Prober controls the prober settings for the dependency-watchdog for the seed.

SeedSettingDependencyWatchdogProber

(Appears on: SeedSettingDependencyWatchdog)

SeedSettingDependencyWatchdogProber controls the prober settings for the dependency-watchdog for the seed.

Field	Description
enabled bool	Enabled controls whether the probe controller(prober) of the dependency-watchdog should be enabled. This controller scales down the kube-controller-manager, machine-controller-manager and cluster-autoscaler of shoot clusters in case their respective kube-apiserver is not reachable via its external ingress in order to avoid melt-down situations.

SeedSettingDependencyWatchdogWeeder

(Appears on: SeedSettingDependencyWatchdog)

SeedSettingDependencyWatchdogWeeder controls the weeder settings for the dependency-watchdog for the seed.

Field	Description
enabled bool	Enabled controls whether the endpoint controller(weeder) of the dependency-watchdog should be enabled. This controller helps to alleviate the delay where control plane components remain unavailable by finding the respective pods in CrashLoopBackoff status and restarting them once their dependants become ready and available again.

SeedSettingExcessCapacityReservation

(Appears on: SeedSettings)

SeedSettingExcessCapacityReservation controls the excess capacity reservation for shoot control planes in the seed.

Field	Description
enabled bool	(Optional) Enabled controls whether the default excess capacity reservation should be enabled. When not specified, the functionality is enabled.
configs []SeedSettingExcessCapacityReservationConfig	(Optional) Configs configures excess capacity reservation deployments for shoot control planes in the seed.

SeedSettingExcessCapacityReservationConfig

(Appears on: SeedSettingExcessCapacityReservation)

SeedSettingExcessCapacityReservationConfig configures excess capacity reservation deployments for shoot control planes in the seed.

Field	Description
resources Kubernetes core/v1.ResourceList	Resources specify the resource requests and limits of the excess-capacity-reservation pod.
nodeSelector map[string]string	(Optional) NodeSelector specifies the node where the excess-capacity-reservation pod should run.
tolerations []Kubernetes core/v1.Toleration	(Optional) Tolerations specify the tolerations for the the excess-capacity-reservation pod.

SeedSettingLoadBalancerServices

(Appears on: SeedSettings)

SeedSettingLoadBalancerServices controls certain settings for services of type load balancer that are created in the seed.

Field	Description
annotations map[string]string	(Optional) Annotations is a map of annotations that will be injected/merged into every load balancer service object.
externalTrafficPolicy Kubernetes core/v1.ServiceExternalTrafficPolicy	(Optional) ExternalTrafficPolicy describes how nodes distribute service traffic they receive on one of the service’s “externally-facing” addresses. Defaults to “Cluster”.
zones []SeedSettingLoadBalancerServicesZones	(Optional) Zones controls settings, which are specific to the single-zone load balancers in a multi-zonal setup. Can be empty for single-zone seeds. Each specified zone has to relate to one of the zones in seed.spec.provider.zones.
proxyProtocol LoadBalancerServicesProxyProtocol	(Optional) ProxyProtocol controls whether ProxyProtocol is (optionally) allowed for the load balancer services. Defaults to nil, which is equivalent to not allowing ProxyProtocol.

SeedSettingLoadBalancerServicesZones

(Appears on: SeedSettingLoadBalancerServices)

SeedSettingLoadBalancerServicesZones controls settings, which are specific to the single-zone load balancers in a multi-zonal setup.

Field	Description
name string	Name is the name of the zone as specified in seed.spec.provider.zones.
annotations map[string]string	(Optional) Annotations is a map of annotations that will be injected/merged into the zone-specific load balancer service object.
externalTrafficPolicy Kubernetes core/v1.ServiceExternalTrafficPolicy	(Optional) ExternalTrafficPolicy describes how nodes distribute service traffic they receive on one of the service’s “externally-facing” addresses. Defaults to “Cluster”.
proxyProtocol LoadBalancerServicesProxyProtocol	(Optional) ProxyProtocol controls whether ProxyProtocol is (optionally) allowed for the load balancer services. Defaults to nil, which is equivalent to not allowing ProxyProtocol.

SeedSettingScheduling

(Appears on: SeedSettings)

SeedSettingScheduling controls settings for scheduling decisions for the seed.

Field	Description
visible bool	Visible controls whether the gardener-scheduler shall consider this seed when scheduling shoots. Invisible seeds are not considered by the scheduler.

SeedSettingTopologyAwareRouting

(Appears on: SeedSettings)

SeedSettingTopologyAwareRouting controls certain settings for topology-aware traffic routing in the seed. See https://github.com/gardener/gardener/blob/master/docs/operations/topology_aware_routing.md.

Field	Description
enabled bool	Enabled controls whether certain Services deployed in the seed cluster should be topology-aware. These Services are etcd-main-client, etcd-events-client, kube-apiserver, gardener-resource-manager and vpa-webhook.

SeedSettingVerticalPodAutoscaler

(Appears on: SeedSettings)

SeedSettingVerticalPodAutoscaler controls certain settings for the vertical pod autoscaler components deployed in the seed.

Field	Description
enabled bool	Enabled controls whether the VPA components shall be deployed into the garden namespace in the seed cluster. It is enabled by default because Gardener heavily relies on a VPA being deployed. You should only disable this if your seed cluster already has another, manually/custom managed VPA deployment.

SeedSettings

(Appears on: SeedSpec)

SeedSettings contains certain settings for this seed cluster.

Field	Description
excessCapacityReservation SeedSettingExcessCapacityReservation	(Optional) ExcessCapacityReservation controls the excess capacity reservation for shoot control planes in the seed.
scheduling SeedSettingScheduling	(Optional) Scheduling controls settings for scheduling decisions for the seed.
loadBalancerServices SeedSettingLoadBalancerServices	(Optional) LoadBalancerServices controls certain settings for services of type load balancer that are created in the seed.
verticalPodAutoscaler SeedSettingVerticalPodAutoscaler	(Optional) VerticalPodAutoscaler controls certain settings for the vertical pod autoscaler components deployed in the seed.
dependencyWatchdog SeedSettingDependencyWatchdog	(Optional) DependencyWatchdog controls certain settings for the dependency-watchdog components deployed in the seed.
topologyAwareRouting SeedSettingTopologyAwareRouting	(Optional) TopologyAwareRouting controls certain settings for topology-aware traffic routing in the seed. See https://github.com/gardener/gardener/blob/master/docs/operations/topology_aware_routing.md.

SeedSpec

(Appears on: Seed, SeedTemplate)

SeedSpec is the specification of a Seed.

Field	Description
backup SeedBackup	(Optional) Backup holds the object store configuration for the backups of shoot (currently only etcd). If it is not specified, then there won’t be any backups taken for shoots associated with this seed. If backup field is present in seed, then backups of the etcd from shoot control plane will be stored under the configured object store.
dns SeedDNS	DNS contains DNS-relevant information about this seed cluster.
networks SeedNetworks	Networks defines the pod, service and worker network of the Seed cluster.
provider SeedProvider	Provider defines the provider type and region for this Seed cluster.
taints []SeedTaint	(Optional) Taints describes taints on the seed.
volume SeedVolume	(Optional) Volume contains settings for persistentvolumes created in the seed cluster.
settings SeedSettings	(Optional) Settings contains certain settings for this seed cluster.
ingress Ingress	(Optional) Ingress configures Ingress specific settings of the Seed cluster. This field is immutable.
accessRestrictions []AccessRestriction	(Optional) AccessRestrictions describe a list of access restrictions for this seed cluster.

SeedStatus

(Appears on: Seed)

SeedStatus is the status of a Seed.

Field	Description
gardener Gardener	(Optional) Gardener holds information about the Gardener which last acted on the Shoot.
kubernetesVersion string	(Optional) KubernetesVersion is the Kubernetes version of the seed cluster.
conditions []Condition	(Optional) Conditions represents the latest available observations of a Seed’s current state.
observedGeneration int64	(Optional) ObservedGeneration is the most recent generation observed for this Seed. It corresponds to the Seed’s generation, which is updated on mutation by the API Server.
clusterIdentity string	(Optional) ClusterIdentity is the identity of the Seed cluster. This field is immutable.
capacity Kubernetes core/v1.ResourceList	(Optional) Capacity represents the total resources of a seed.
allocatable Kubernetes core/v1.ResourceList	(Optional) Allocatable represents the resources of a seed that are available for scheduling. Defaults to Capacity.
clientCertificateExpirationTimestamp Kubernetes meta/v1.Time	(Optional) ClientCertificateExpirationTimestamp is the timestamp at which gardenlet’s client certificate expires.
lastOperation LastOperation	(Optional) LastOperation holds information about the last operation on the Seed.

SeedTaint

(Appears on: SeedSpec)

SeedTaint describes a taint on a seed.

Field	Description
key string	Key is the taint key to be applied to a seed.
value string	(Optional) Value is the taint value corresponding to the taint key.

SeedTemplate

SeedTemplate is a template for creating a Seed object.

Field	Description
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec SeedSpec	(Optional) Specification of the desired behavior of the Seed. backup SeedBackup (Optional) Backup holds the object store configuration for the backups of shoot (currently only etcd). If it is not specified, then there won’t be any backups taken for shoots associated with this seed. If backup field is present in seed, then backups of the etcd from shoot control plane will be stored under the configured object store. dns SeedDNS DNS contains DNS-relevant information about this seed cluster. networks SeedNetworks Networks defines the pod, service and worker network of the Seed cluster. provider SeedProvider Provider defines the provider type and region for this Seed cluster. taints []SeedTaint (Optional) Taints describes taints on the seed. volume SeedVolume (Optional) Volume contains settings for persistentvolumes created in the seed cluster. settings SeedSettings (Optional) Settings contains certain settings for this seed cluster. ingress Ingress (Optional) Ingress configures Ingress specific settings of the Seed cluster. This field is immutable. accessRestrictions []AccessRestriction (Optional) AccessRestrictions describe a list of access restrictions for this seed cluster.

SeedVolume

(Appears on: SeedSpec)

SeedVolume contains settings for persistentvolumes created in the seed cluster.

Field	Description
minimumSize k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) MinimumSize defines the minimum size that should be used for PVCs in the seed.
providers []SeedVolumeProvider	(Optional) Providers is a list of storage class provisioner types for the seed.

SeedVolumeProvider

(Appears on: SeedVolume)

SeedVolumeProvider is a storage class provisioner type.

Field	Description
purpose string	Purpose is the purpose of this provider.
name string	Name is the name of the storage class provisioner type.

ServiceAccountConfig

(Appears on: KubeAPIServerConfig)

ServiceAccountConfig is the kube-apiserver configuration for service accounts.

Field	Description
issuer string	(Optional) Issuer is the identifier of the service account token issuer. The issuer will assert this identifier in “iss” claim of issued tokens. This value is used to generate new service account tokens. This value is a string or URI. Defaults to URI of the API server.
extendTokenExpiration bool	(Optional) ExtendTokenExpiration turns on projected service account expiration extension during token generation, which helps safe transition from legacy token to bound service account token feature. If this flag is enabled, admission injected tokens would be extended up to 1 year to prevent unexpected failure during transition, ignoring value of service-account-max-token-expiration.
maxTokenExpiration Kubernetes meta/v1.Duration	(Optional) MaxTokenExpiration is the maximum validity duration of a token created by the service account token issuer. If an otherwise valid TokenRequest with a validity duration larger than this value is requested, a token will be issued with a validity duration of this value. This field must be within [30d,90d].
acceptedIssuers []string	(Optional) AcceptedIssuers is an additional set of issuers that are used to determine which service account tokens are accepted. These values are not used to generate new service account tokens. Only useful when service account tokens are also issued by another external system or a change of the current issuer that is used for generating tokens is being performed.

ServiceAccountKeyRotation

(Appears on: ShootCredentialsRotation)

ServiceAccountKeyRotation contains information about the service account key credential rotation.

Field	Description
phase CredentialsRotationPhase	Phase describes the phase of the service account key credential rotation.
lastCompletionTime Kubernetes meta/v1.Time	(Optional) LastCompletionTime is the most recent time when the service account key credential rotation was successfully completed.
lastInitiationTime Kubernetes meta/v1.Time	(Optional) LastInitiationTime is the most recent time when the service account key credential rotation was initiated.
lastInitiationFinishedTime Kubernetes meta/v1.Time	(Optional) LastInitiationFinishedTime is the recent time when the service account key credential rotation initiation was completed.
lastCompletionTriggeredTime Kubernetes meta/v1.Time	(Optional) LastCompletionTriggeredTime is the recent time when the service account key credential rotation completion was triggered.

ShootAdvertisedAddress

(Appears on: ShootStatus)

ShootAdvertisedAddress contains information for the shoot’s Kube API server.

Field	Description
name string	Name of the advertised address. e.g. external
url string	The URL of the API Server. e.g. https://api.foo.bar or https://1.2.3.4

ShootCredentials

(Appears on: ShootStatus)

ShootCredentials contains information about the shoot credentials.

Field	Description
rotation ShootCredentialsRotation	(Optional) Rotation contains information about the credential rotations.

ShootCredentialsRotation

(Appears on: ShootCredentials)

ShootCredentialsRotation contains information about the rotation of credentials.

Field	Description
certificateAuthorities CARotation	(Optional) CertificateAuthorities contains information about the certificate authority credential rotation.
kubeconfig ShootKubeconfigRotation	(Optional) Kubeconfig contains information about the kubeconfig credential rotation.
sshKeypair ShootSSHKeypairRotation	(Optional) SSHKeypair contains information about the ssh-keypair credential rotation.
observability ObservabilityRotation	(Optional) Observability contains information about the observability credential rotation.
serviceAccountKey ServiceAccountKeyRotation	(Optional) ServiceAccountKey contains information about the service account key credential rotation.
etcdEncryptionKey ETCDEncryptionKeyRotation	(Optional) ETCDEncryptionKey contains information about the ETCD encryption key credential rotation.

ShootKubeconfigRotation

(Appears on: ShootCredentialsRotation)

ShootKubeconfigRotation contains information about the kubeconfig credential rotation.

Field	Description
lastInitiationTime Kubernetes meta/v1.Time	(Optional) LastInitiationTime is the most recent time when the kubeconfig credential rotation was initiated.
lastCompletionTime Kubernetes meta/v1.Time	(Optional) LastCompletionTime is the most recent time when the kubeconfig credential rotation was successfully completed.

ShootMachineImage

(Appears on: Machine)

ShootMachineImage defines the name and the version of the shoot’s machine image in any environment. Has to be defined in the respective CloudProfile.

Field	Description
name string	Name is the name of the image.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig is the shoot’s individual configuration passed to an extension resource.
version string	(Optional) Version is the version of the shoot’s image. If version is not provided, it will be defaulted to the latest version from the CloudProfile.

ShootNetworks

(Appears on: SeedNetworks)

ShootNetworks contains the default networks CIDRs for shoots.

Field	Description
pods string	(Optional) Pods is the CIDR of the pod network.
services string	(Optional) Services is the CIDR of the service network.

ShootPurpose (string alias)

(Appears on: ShootSpec)

ShootPurpose is a type alias for string.

ShootSSHKeypairRotation

(Appears on: ShootCredentialsRotation)

ShootSSHKeypairRotation contains information about the ssh-keypair credential rotation.

Field	Description
lastInitiationTime Kubernetes meta/v1.Time	(Optional) LastInitiationTime is the most recent time when the ssh-keypair credential rotation was initiated.
lastCompletionTime Kubernetes meta/v1.Time	(Optional) LastCompletionTime is the most recent time when the ssh-keypair credential rotation was successfully completed.

ShootSpec

(Appears on: Shoot, ShootTemplate)

ShootSpec is the specification of a Shoot.

Field	Description
addons Addons	(Optional) Addons contains information about enabled/disabled addons and their configuration.
cloudProfileName string	(Optional) CloudProfileName is a name of a CloudProfile object. This field will be deprecated soon, use CloudProfile instead.
dns DNS	(Optional) DNS contains information about the DNS settings of the Shoot.
extensions []Extension	(Optional) Extensions contain type and provider information for Shoot extensions.
hibernation Hibernation	(Optional) Hibernation contains information whether the Shoot is suspended or not.
kubernetes Kubernetes	Kubernetes contains the version and configuration settings of the control plane components.
networking Networking	(Optional) Networking contains information about cluster networking such as CNI Plugin type, CIDRs, …etc.
maintenance Maintenance	(Optional) Maintenance contains information about the time window for maintenance operations and which operations should be performed.
monitoring Monitoring	(Optional) Monitoring contains information about custom monitoring configurations for the shoot.
provider Provider	Provider contains all provider-specific and provider-relevant information.
purpose ShootPurpose	(Optional) Purpose is the purpose class for this cluster.
region string	Region is a name of a region. This field is immutable.
secretBindingName string	(Optional) SecretBindingName is the name of a SecretBinding that has a reference to the provider secret. The credentials inside the provider secret will be used to create the shoot in the respective account. The field is mutually exclusive with CredentialsBindingName. This field is immutable.
seedName string	(Optional) SeedName is the name of the seed cluster that runs the control plane of the Shoot.
seedSelector SeedSelector	(Optional) SeedSelector is an optional selector which must match a seed’s labels for the shoot to be scheduled on that seed.
resources []NamedResourceReference	(Optional) Resources holds a list of named resource references that can be referred to in extension configs by their names.
tolerations []Toleration	(Optional) Tolerations contains the tolerations for taints on seed clusters.
exposureClassName string	(Optional) ExposureClassName is the optional name of an exposure class to apply a control plane endpoint exposure strategy. This field is immutable.
systemComponents SystemComponents	(Optional) SystemComponents contains the settings of system components in the control or data plane of the Shoot cluster.
controlPlane ControlPlane	(Optional) ControlPlane contains general settings for the control plane of the shoot.
schedulerName string	(Optional) SchedulerName is the name of the responsible scheduler which schedules the shoot. If not specified, the default scheduler takes over. This field is immutable.
cloudProfile CloudProfileReference	(Optional) CloudProfile contains a reference to a CloudProfile or a NamespacedCloudProfile.
credentialsBindingName string	(Optional) CredentialsBindingName is the name of a CredentialsBinding that has a reference to the provider credentials. The credentials will be used to create the shoot in the respective account. The field is mutually exclusive with SecretBindingName.
accessRestrictions []AccessRestrictionWithOptions	(Optional) AccessRestrictions describe a list of access restrictions for this shoot cluster.

ShootStateSpec

(Appears on: ShootState)

ShootStateSpec is the specification of the ShootState.

Field	Description
gardener []GardenerResourceData	(Optional) Gardener holds the data required to generate resources deployed by the gardenlet
extensions []ExtensionResourceState	(Optional) Extensions holds the state of custom resources reconciled by extension controllers in the seed
resources []ResourceData	(Optional) Resources holds the data of resources referred to by extension controller states

ShootStatus

(Appears on: Shoot)

ShootStatus holds the most recently observed status of the Shoot cluster.

Field	Description
conditions []Condition	(Optional) Conditions represents the latest available observations of a Shoots’s current state.
constraints []Condition	(Optional) Constraints represents conditions of a Shoot’s current state that constraint some operations on it.
gardener Gardener	Gardener holds information about the Gardener which last acted on the Shoot.
hibernated bool	IsHibernated indicates whether the Shoot is currently hibernated.
lastOperation LastOperation	(Optional) LastOperation holds information about the last operation on the Shoot.
lastErrors []LastError	(Optional) LastErrors holds information about the last occurred error(s) during an operation.
observedGeneration int64	(Optional) ObservedGeneration is the most recent generation observed for this Shoot. It corresponds to the Shoot’s generation, which is updated on mutation by the API Server.
retryCycleStartTime Kubernetes meta/v1.Time	(Optional) RetryCycleStartTime is the start time of the last retry cycle (used to determine how often an operation must be retried until we give up).
seedName string	(Optional) SeedName is the name of the seed cluster that runs the control plane of the Shoot. This value is only written after a successful create/reconcile operation. It will be used when control planes are moved between Seeds.
technicalID string	TechnicalID is the name that is used for creating the Seed namespace, the infrastructure resources, and basically everything that is related to this particular Shoot. This field is immutable.
uid k8s.io/apimachinery/pkg/types.UID	UID is a unique identifier for the Shoot cluster to avoid portability between Kubernetes clusters. It is used to compute unique hashes. This field is immutable.
clusterIdentity string	(Optional) ClusterIdentity is the identity of the Shoot cluster. This field is immutable.
advertisedAddresses []ShootAdvertisedAddress	(Optional) List of addresses that are relevant to the shoot. These include the Kube API server address and also the service account issuer.
migrationStartTime Kubernetes meta/v1.Time	(Optional) MigrationStartTime is the time when a migration to a different seed was initiated.
credentials ShootCredentials	(Optional) Credentials contains information about the shoot credentials.
lastHibernationTriggerTime Kubernetes meta/v1.Time	(Optional) LastHibernationTriggerTime indicates the last time when the hibernation controller managed to change the hibernation settings of the cluster
lastMaintenance LastMaintenance	(Optional) LastMaintenance holds information about the last maintenance operations on the Shoot.
encryptedResources []string	(Optional) EncryptedResources is the list of resources in the Shoot which are currently encrypted. Secrets are encrypted by default and are not part of the list. See https://github.com/gardener/gardener/blob/master/docs/usage/security/etcd_encryption_config.md for more details.
networking NetworkingStatus	(Optional) Networking contains information about cluster networking such as CIDRs.

ShootTemplate

ShootTemplate is a template for creating a Shoot object.

Field	Description
metadata Kubernetes meta/v1.ObjectMeta	(Optional) Standard object metadata. Refer to the Kubernetes API documentation for the fields of the metadata field.
spec ShootSpec	(Optional) Specification of the desired behavior of the Shoot. addons Addons (Optional) Addons contains information about enabled/disabled addons and their configuration. cloudProfileName string (Optional) CloudProfileName is a name of a CloudProfile object. This field will be deprecated soon, use CloudProfile instead. dns DNS (Optional) DNS contains information about the DNS settings of the Shoot. extensions []Extension (Optional) Extensions contain type and provider information for Shoot extensions. hibernation Hibernation (Optional) Hibernation contains information whether the Shoot is suspended or not. kubernetes Kubernetes Kubernetes contains the version and configuration settings of the control plane components. networking Networking (Optional) Networking contains information about cluster networking such as CNI Plugin type, CIDRs, …etc. maintenance Maintenance (Optional) Maintenance contains information about the time window for maintenance operations and which operations should be performed. monitoring Monitoring (Optional) Monitoring contains information about custom monitoring configurations for the shoot. provider Provider Provider contains all provider-specific and provider-relevant information. purpose ShootPurpose (Optional) Purpose is the purpose class for this cluster. region string Region is a name of a region. This field is immutable. secretBindingName string (Optional) SecretBindingName is the name of a SecretBinding that has a reference to the provider secret. The credentials inside the provider secret will be used to create the shoot in the respective account. The field is mutually exclusive with CredentialsBindingName. This field is immutable. seedName string (Optional) SeedName is the name of the seed cluster that runs the control plane of the Shoot. seedSelector SeedSelector (Optional) SeedSelector is an optional selector which must match a seed’s labels for the shoot to be scheduled on that seed. resources []NamedResourceReference (Optional) Resources holds a list of named resource references that can be referred to in extension configs by their names. tolerations []Toleration (Optional) Tolerations contains the tolerations for taints on seed clusters. exposureClassName string (Optional) ExposureClassName is the optional name of an exposure class to apply a control plane endpoint exposure strategy. This field is immutable. systemComponents SystemComponents (Optional) SystemComponents contains the settings of system components in the control or data plane of the Shoot cluster. controlPlane ControlPlane (Optional) ControlPlane contains general settings for the control plane of the shoot. schedulerName string (Optional) SchedulerName is the name of the responsible scheduler which schedules the shoot. If not specified, the default scheduler takes over. This field is immutable. cloudProfile CloudProfileReference (Optional) CloudProfile contains a reference to a CloudProfile or a NamespacedCloudProfile. credentialsBindingName string (Optional) CredentialsBindingName is the name of a CredentialsBinding that has a reference to the provider credentials. The credentials will be used to create the shoot in the respective account. The field is mutually exclusive with SecretBindingName. accessRestrictions []AccessRestrictionWithOptions (Optional) AccessRestrictions describe a list of access restrictions for this shoot cluster.

StructuredAuthentication

(Appears on: KubeAPIServerConfig)

StructuredAuthentication contains authentication config for kube-apiserver.

Field	Description
configMapName string	ConfigMapName is the name of the ConfigMap in the project namespace which contains AuthenticationConfiguration for the kube-apiserver.

StructuredAuthorization

(Appears on: KubeAPIServerConfig)

StructuredAuthorization contains authorization config for kube-apiserver.

Field	Description
configMapName string	ConfigMapName is the name of the ConfigMap in the project namespace which contains AuthorizationConfiguration for the kube-apiserver.
kubeconfigs []AuthorizerKubeconfigReference	Kubeconfigs is a list of references for kubeconfigs for the authorization webhooks.

SwapBehavior (string alias)

(Appears on: MemorySwapConfiguration)

SwapBehavior configures swap memory available to container workloads

SystemComponents

(Appears on: ShootSpec)

SystemComponents contains the settings of system components in the control or data plane of the Shoot cluster.

Field	Description
coreDNS CoreDNS	(Optional) CoreDNS contains the settings of the Core DNS components running in the data plane of the Shoot cluster.
nodeLocalDNS NodeLocalDNS	(Optional) NodeLocalDNS contains the settings of the node local DNS components running in the data plane of the Shoot cluster.

Toleration

(Appears on: ExposureClassScheduling, ProjectTolerations, ShootSpec)

Toleration is a toleration for a seed taint.

Field	Description
key string	Key is the toleration key to be applied to a project or shoot.
value string	(Optional) Value is the toleration value corresponding to the toleration key.

VersionClassification (string alias)

(Appears on: ExpirableVersion)

VersionClassification is the logical state of a version.

VerticalPodAutoscaler

(Appears on: Kubernetes)

VerticalPodAutoscaler contains the configuration flags for the Kubernetes vertical pod autoscaler.

Field	Description
enabled bool	Enabled specifies whether the Kubernetes VPA shall be enabled for the shoot cluster.
evictAfterOOMThreshold Kubernetes meta/v1.Duration	(Optional) EvictAfterOOMThreshold defines the threshold that will lead to pod eviction in case it OOMed in less than the given threshold since its start and if it has only one container (default: 10m0s).
evictionRateBurst int32	(Optional) EvictionRateBurst defines the burst of pods that can be evicted (default: 1)
evictionRateLimit float64	(Optional) EvictionRateLimit defines the number of pods that can be evicted per second. A rate limit set to 0 or -1 will disable the rate limiter (default: -1).
evictionTolerance float64	(Optional) EvictionTolerance defines the fraction of replica count that can be evicted for update in case more than one pod can be evicted (default: 0.5).
recommendationMarginFraction float64	(Optional) RecommendationMarginFraction is the fraction of usage added as the safety margin to the recommended request (default: 0.15).
updaterInterval Kubernetes meta/v1.Duration	(Optional) UpdaterInterval is the interval how often the updater should run (default: 1m0s).
recommenderInterval Kubernetes meta/v1.Duration	(Optional) RecommenderInterval is the interval how often metrics should be fetched (default: 1m0s).
targetCPUPercentile float64	(Optional) TargetCPUPercentile is the usage percentile that will be used as a base for CPU target recommendation. Doesn’t affect CPU lower bound, CPU upper bound nor memory recommendations. (default: 0.9)
recommendationLowerBoundCPUPercentile float64	(Optional) RecommendationLowerBoundCPUPercentile is the usage percentile that will be used for the lower bound on CPU recommendation. (default: 0.5)
recommendationUpperBoundCPUPercentile float64	(Optional) RecommendationUpperBoundCPUPercentile is the usage percentile that will be used for the upper bound on CPU recommendation. (default: 0.95)
targetMemoryPercentile float64	(Optional) TargetMemoryPercentile is the usage percentile that will be used as a base for memory target recommendation. Doesn’t affect memory lower bound nor memory upper bound. (default: 0.9)
recommendationLowerBoundMemoryPercentile float64	(Optional) RecommendationLowerBoundMemoryPercentile is the usage percentile that will be used for the lower bound on memory recommendation. (default: 0.5)
recommendationUpperBoundMemoryPercentile float64	(Optional) RecommendationUpperBoundMemoryPercentile is the usage percentile that will be used for the upper bound on memory recommendation. (default: 0.95)

Volume

(Appears on: Worker)

Volume contains information about the volume type, size, and encryption.

Field	Description
name string	(Optional) Name of the volume to make it referencable.
type string	(Optional) Type is the type of the volume.
size string	VolumeSize is the size of the volume.
encrypted bool	(Optional) Encrypted determines if the volume should be encrypted.

VolumeType

(Appears on: CloudProfileSpec, NamespacedCloudProfileSpec)

VolumeType contains certain properties of a volume type.

Field	Description
class string	Class is the class of the volume type.
name string	Name is the name of the volume type.
usable bool	(Optional) Usable defines if the volume type can be used for shoot clusters.
minSize k8s.io/apimachinery/pkg/api/resource.Quantity	(Optional) MinSize is the minimal supported storage size.

WatchCacheSizes

(Appears on: KubeAPIServerConfig)

WatchCacheSizes contains configuration of the API server’s watch cache sizes.

Field	Description
default int32	(Optional) Default configures the default watch cache size of the kube-apiserver (flag --default-watch-cache-size, defaults to 100). See: https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/
resources []ResourceWatchCacheSize	(Optional) Resources configures the watch cache size of the kube-apiserver per resource (flag --watch-cache-sizes). See: https://kubernetes.io/docs/reference/command-line-tools-reference/kube-apiserver/

Worker

(Appears on: Provider)

Worker is the base definition of a worker group.

Field	Description
annotations map[string]string	(Optional) Annotations is a map of key/value pairs for annotations for all the Node objects in this worker pool.
caBundle string	(Optional) CABundle is a certificate bundle which will be installed onto every machine of this worker pool.
cri CRI	(Optional) CRI contains configurations of CRI support of every machine in the worker pool. Defaults to a CRI with name containerd.
kubernetes WorkerKubernetes	(Optional) Kubernetes contains configuration for Kubernetes components related to this worker pool.
labels map[string]string	(Optional) Labels is a map of key/value pairs for labels for all the Node objects in this worker pool.
name string	Name is the name of the worker group.
machine Machine	Machine contains information about the machine type and image.
maximum int32	Maximum is the maximum number of machines to create. This value is divided by the number of configured zones for a fair distribution.
minimum int32	Minimum is the minimum number of machines to create. This value is divided by the number of configured zones for a fair distribution.
maxSurge k8s.io/apimachinery/pkg/util/intstr.IntOrString	(Optional) MaxSurge is maximum number of machines that are created during an update. This value is divided by the number of configured zones for a fair distribution.
maxUnavailable k8s.io/apimachinery/pkg/util/intstr.IntOrString	(Optional) MaxUnavailable is the maximum number of machines that can be unavailable during an update. This value is divided by the number of configured zones for a fair distribution.
providerConfig k8s.io/apimachinery/pkg/runtime.RawExtension	(Optional) ProviderConfig is the provider-specific configuration for this worker pool.
taints []Kubernetes core/v1.Taint	(Optional) Taints is a list of taints for all the Node objects in this worker pool.
volume Volume	(Optional) Volume contains information about the volume type and size.
dataVolumes []DataVolume	(Optional) DataVolumes contains a list of additional worker volumes.
kubeletDataVolumeName string	(Optional) KubeletDataVolumeName contains the name of a dataVolume that should be used for storing kubelet state.
zones []string	(Optional) Zones is a list of availability zones that are used to evenly distribute this worker pool. Optional as not every provider may support availability zones.
systemComponents WorkerSystemComponents	(Optional) SystemComponents contains configuration for system components related to this worker pool
machineControllerManager MachineControllerManagerSettings	(Optional) MachineControllerManagerSettings contains configurations for different worker-pools. Eg. MachineDrainTimeout, MachineHealthTimeout.
sysctls map[string]string	(Optional) Sysctls is a map of kernel settings to apply on all machines in this worker pool.
clusterAutoscaler ClusterAutoscalerOptions	(Optional) ClusterAutoscaler contains the cluster autoscaler configurations for the worker pool.

WorkerKubernetes

(Appears on: Worker)

WorkerKubernetes contains configuration for Kubernetes components related to this worker pool.

Field	Description
kubelet KubeletConfig	(Optional) Kubelet contains configuration settings for all kubelets of this worker pool. If set, all spec.kubernetes.kubelet settings will be overwritten for this worker pool (no merge of settings).
version string	(Optional) Version is the semantic Kubernetes version to use for the Kubelet in this Worker Group. If not specified the kubelet version is derived from the global shoot cluster kubernetes version. version must be equal or lower than the version of the shoot kubernetes version. Only one minor version difference to other worker groups and global kubernetes version is allowed.

WorkerSystemComponents

(Appears on: Worker)

WorkerSystemComponents contains configuration for system components related to this worker pool

Field	Description
allow bool	Allow determines whether the pool should be allowed to host system components or not (defaults to true)

WorkersSettings

(Appears on: Provider)

WorkersSettings contains settings for all workers.

Field	Description
sshAccess SSHAccess	(Optional) SSHAccess contains settings regarding ssh access to the worker nodes.

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