K8s/Annotations: Use manager/source annotations rather than repo (#101313)

Co-authored-by: Stephanie Hingtgen <stephanie.hingtgen@grafana.com>

pkg/apimachinery/utils/manager.go

@@ -1,28 +1,27 @@
 package utils
 
-import "time"
-
 // ManagerProperties is used to identify the manager of the resource.
 type ManagerProperties struct {
 	// The kind of manager, which is responsible for managing the resource.
 	// Examples include "git", "terraform", "kubectl", etc.
-	Kind ManagerKind
+	Kind ManagerKind `json:"kind,omitempty"`
 
 	// The identity of the manager, which refers to a specific instance of the manager.
 	// The format & the value depends on the manager kind.
-	Identity string
+	Identity string `json:"id,omitempty"`
 
 	// AllowsEdits indicates whether the manager allows edits to the resource.
 	// If set to true, it means that other requesters can edit the resource.
-	AllowsEdits bool
+	AllowsEdits bool `json:"allowEdits,omitempty"`
 
 	// Suspended indicates whether the manager is suspended.
 	// If set to true, then the manager skip updates to the resource.
-	Suspended bool
+	Suspended bool `json:"suspended,omitempty"`
 }
 
 // ManagerKind is the type of manager, which is responsible for managing the resource.
 // It can be a user or a tool or a generic API client.
+// +enum
 type ManagerKind string
 
 // Known values for ManagerKind.
@@ -31,6 +30,11 @@ const (
 	ManagerKindRepo      ManagerKind = "repo"
 	ManagerKindTerraform ManagerKind = "terraform"
 	ManagerKindKubectl   ManagerKind = "kubectl"
+	ManagerKindPlugin    ManagerKind = "plugin"
+
+	// Deprecated: this is used as a shim/migration path for legacy file provisioning
+	// Previously this was a "file:" prefix
+	ManagerKindClassicFP ManagerKind = "classic-file-provisioning"
 )
 
 // ParseManagerKindString parses a string into a ManagerKind.
@@ -44,6 +48,10 @@ func ParseManagerKindString(v string) ManagerKind {
 		return ManagerKindTerraform
 	case string(ManagerKindKubectl):
 		return ManagerKindKubectl
+	case string(ManagerKindPlugin):
+		return ManagerKindPlugin
+	case string(ManagerKindClassicFP): // nolint:staticcheck
+		return ManagerKindClassicFP // nolint:staticcheck
 	default:
 		return ManagerKindUnknown
 	}
@@ -55,13 +63,13 @@ func ParseManagerKindString(v string) ManagerKind {
 type SourceProperties struct {
 	// The path to the source of the resource.
 	// Can be a file path, a URL, etc.
-	Path string
+	Path string `json:"path,omitempty"`
 
 	// The checksum of the source of the resource.
 	// An example could be a git commit hash.
-	Checksum string
+	Checksum string `json:"checksum,omitempty"`
 
-	// The timestamp of the source of the resource.
+	// The unix millis timestamp of the source of the resource.
 	// An example could be the file modification time.
-	Timestamp time.Time
+	TimestampMillis int64 `json:"timestampMillis,omitempty"`
 }