add constant annotaitons for addon (#197)

Signed-off-by: Zhiwei Yin <[email protected]>

Signed-off-by: Zhiwei Yin <[email protected]>

Author: zhiweiyin318

addon/v1alpha1/types_managedclusteraddon.go

@@ -235,17 +235,38 @@ const (
 
 	// AddonPreDeleteHookLabelKey is the label key to identify that a resource manifest is used as pre-delete hook for an addon
 	// and should be created and deleted before the specified ManagedClusterAddon is deleted.
+	// Deprecated, and will be removed in the future release, please use annotation AddonPreDeleteHookAnnotationKey from v0.10.0.
 	AddonPreDeleteHookLabelKey = "open-cluster-management.io/addon-pre-delete"
 
+	// AddonPreDeleteHookAnnotationKey is the annotation key to identify that a resource manifest is used as pre-delete hook for an addon
+	// and should be created and deleted before the specified ManagedClusterAddon is deleted.
+	AddonPreDeleteHookAnnotationKey = "addon.open-cluster-management.io/addon-pre-delete"
+
 	// HostingClusterNameAnnotationKey is the annotation key for indicating the hosting cluster name, it should be set
 	// on ManagedClusterAddon resource only.
 	HostingClusterNameAnnotationKey = "addon.open-cluster-management.io/hosting-cluster-name"
 
-	// DeletionOrphanAnnotationKey is an annotation for the manifest of addin indicating that it will not be cleaned up
+	// DeletionOrphanAnnotationKey is an annotation for the manifest of addon indicating that it will not be cleaned up
 	// after the addon is deleted.
 	DeletionOrphanAnnotationKey = "addon.open-cluster-management.io/deletion-orphan"
 
-	// HostedManifestLocationLabelKey is the label key for indicating the cluster that the manifest should be deployed in Hosted
-	// mode.
+	// HostedManifestLocationLabelKey is the label key to identify where a resource manifest of addon agent
+	// with this label should be deployed in Hosted mode.
+	// Deprecated, will be removed in the future release, please use annotation HostedManifestLocationAnnotationKey from v0.10.0.
 	HostedManifestLocationLabelKey = "addon.open-cluster-management.io/hosted-manifest-location"
+
+	// HostedManifestLocationAnnotationKey is the annotation key to identify where a resource manifest of addon agent
+	// with this annotation should be deployed in Hosted mode.
+	HostedManifestLocationAnnotationKey = "addon.open-cluster-management.io/hosted-manifest-location"
+
+	// HostedManifestLocationManagedValue is a value of the annotation HostedManifestLocationAnnotationKey,
+	// indicates the manifest will be deployed on the managed cluster in Hosted mode,
+	// it is the default value of a manifest in Hosted mode.
+	HostedManifestLocationManagedValue = "managed"
+	// HostedManifestLocationHostingValue is a value of the annotation HostedManifestLocationAnnotationKey,
+	// indicates the manifest will be deployed on the hosting cluster in Hosted mode.
+	HostedManifestLocationHostingValue = "hosting"
+	// HostedManifestLocationNoneValue is a value of the annotation HostedManifestLocationAnnotationKey,,
+	// indicates the manifest will not be deployed in Hosted mode.
+	HostedManifestLocationNoneValue = "none"
 )