fix(iaas): mark image-id flag as hidden

relates to STACKITCLI-404

Author: GokceGK

docs/stackit_server_create.md

@@ -47,7 +47,6 @@ stackit server create [flags]
       --boot-volume-source-id string           ID of the source object of boot volume. It can be either an image or volume ID
       --boot-volume-source-type string         Type of the source object of boot volume. It can be either  'image' or 'volume'
   -h, --help                                   Help for "stackit server create"
-      --image-id string                        The image ID to be used for an ephemeral disk on the server. Either 'image-id' or 'boot-volume-...' flags are required
       --keypair-name string                    The name of the SSH keypair used during the server creation
       --labels stringToString                  Labels are key-value string pairs which can be attached to a server. E.g. '--labels key1=value1,key2=value2,...' (default [])
       --machine-type string                    Name of the type of the machine for the server. Possible values are documented in https://docs.stackit.cloud/products/compute-engine/server/basics/machine-types/

internal/cmd/server/create/create.go

@@ -182,6 +182,11 @@ func configureFlags(cmd *cobra.Command) {
 	cmd.MarkFlagsMutuallyExclusive(imageIdFlag, bootVolumeSourceTypeFlag)
 	cmd.MarkFlagsMutuallyExclusive(networkIdFlag, networkInterfaceIdsFlag)
 	cmd.MarkFlagsOneRequired(networkIdFlag, networkInterfaceIdsFlag)
+
+	// hide image-id flag from help command to prevent users from using it alone which leads to errors
+	// instead of using image-id alone, boot-volume flags can be used with type image
+	cobra.CheckErr(cmd.Flags().MarkHidden(imageIdFlag))
+
 	cobra.CheckErr(err)
 }