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feat: support custom labels in self-registration cluster secret - #1483
This PR is to add support for custom labels in self-registration cluster secret in ArgoCD CR.
In upstream it is added by argoproj-labs/argocd-agent#1124
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📝 Summary
Summary by CodeRabbit
New Features
Configure labels for cluster Secrets created through agent principal self-registration.
Multiple key-value pairs are supported, and label changes are reflected in the agent’s configuration.
The setting is available in both supported Argo CD API versions, with values preserved when converting between them.
Principal self-registration now accepts cluster secret labels in both API versions. The operator preserves the labels during conversion and adds them to the principal deployment environment as comma-separated key-value pairs.
Changes: Principal self-registration labels
Layer / File(s)
Summary
API contract and version conversion argocd-operator/api/v1alpha1/argocd_types.go, argocd-operator/api/v1beta1/argocd_types.go, argocd-operator/api/v1alpha1/argocd_conversion.go, argocd-operator/api/v1alpha1/argocd_conversion_test.go, argocd-operator/api/v1alpha1/zz_generated.deepcopy.go, argocd-operator/api/v1beta1/zz_generated.deepcopy.go, config/crd/bases/argoproj.io_argocds.yaml, bundle/manifests/argoproj.io_argocds.yaml
Both API versions add the optional clusterSecretLabels map to principal self-registration. Conversion functions and deep-copy methods preserve the map, and conversion tests cover both directions.
Deployment environment and validation argocd-operator/controllers/argocdagent/deployment.go, argocd-operator/controllers/argocdagent/deployment_test.go, test/openshift/e2e/ginkgo/sequential/1-051_validate_argocd_agent_principal_test.go
The principal deployment environment includes configured labels as comma-separated key=value pairs, or an empty value when labels are absent. Unit and end-to-end tests cover labels and configuration updates.
sequenceDiagram
participant SelfRegistrationSpec
participant PrincipalDeployment
participant PrincipalContainer
SelfRegistrationSpec->>PrincipalDeployment: provide ClusterSecretLabels
PrincipalDeployment->>PrincipalContainer: set serialized secret-label environment variable
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Suggested reviewers:jgwest
Merge Risk: Minimal · up to 81a68
The label configuration is wired through the API, deployment, conversion, and compatible default agent image without an established merge-blocking issue.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
Check name
Status
Explanation
Resolution
Docstring Coverage
Docstring coverage is 25.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documenta…
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
Check name
Status
Explanation
Title check
The title clearly and concisely describes the main change: support for custom labels in self-registration cluster Secrets.
Description check
The description explains the new custom-label configuration, gives a relevant example, and links the upstream capability.
Linked Issues check
Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check
Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage
Explanation
Docstring coverage is 25.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 8 functions across 9 files.
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Actionable comments posted: 1
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Inline comments:
Review comments at @argocd-operator/controllers/argocdagent/deployment.go:
- Around line 767-770: Update the ClusterSecretLabels serialization loop to sort
its keys before appending key-value pairs, so the joined string remains stable
across reconciliations. Preserve the existing pair format and strings.Join
behavior.
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This PR is to add support for custom labels in self-registration cluster secret in ArgoCD CR.
In upstream it is added by argoproj-labs/argocd-agent#1124
Ex:
What type of PR is this?
/kind enhancement
Assisted by: Cursor