ceph: create rook resources with k8s recommended labels

Adding Recommended Labels on the resources created by
Rook Operator
For better visuals and management of k8s object

Closes: rook#8400
Signed-off-by: parth-gr <paarora@redhat.com>

pkg/operator/ceph/cluster/mgr/spec.go

@@ -321,7 +321,14 @@ func (c *Cluster) makeDashboardService(name, activeDaemon string) (*v1.Service,
 func (c *Cluster) getPodLabels(daemonName string, includeNewLabels bool) map[string]string {
 	labels := controller.CephDaemonAppLabels(AppName, c.clusterInfo.Namespace, "mgr", daemonName, includeNewLabels)
 	// leave "instance" key for legacy usage
-	labels["instance"] = daemonName
+	// if includeNewLabels {
+	// 	labels["app.kubernetes.io/name"] = AppName
+	// 	labels["app.kubernetes.io/instance"] = c.clusterInfo.Namespace + "_mgr-" + daemonName
+	// 	labels["app.kubernetes.io/component"] = "ceph-mgr"
+	// 	labels["app.kubernetes.io/part-of"] = "cephclusters.ceph.rook.io_" + c.clusterInfo.Namespace
+	// 	labels["app.kubernetes.io/managed-by"] = "rook-ceph-operator"
+	// 	labels["app.kubernetes.io/created-by"] = "rook-ceph-operator"
+	// }
 	return labels
 }
 

pkg/operator/ceph/cluster/mon/spec.go

@@ -59,6 +59,12 @@ func (c *Cluster) getLabels(monConfig *monConfig, canary, includeNewLabels bool)
 		if monConfig.Zone != "" {
 			labels["stretch-zone"] = monConfig.Zone
 		}
+		labels["app.kubernetes.io/name"] = AppName
+		labels["app.kubernetes.io/instance"] = c.Namespace + "_mon-" + monConfig.DaemonName
+		labels["app.kubernetes.io/component"] = "ceph-mon"
+		labels["app.kubernetes.io/part-of"] = "cephclusters.ceph.rook.io_" + c.Namespace
+		labels["app.kubernetes.io/managed-by"] = "rook-ceph-operator"
+		labels["app.kubernetes.io/created-by"] = "rook-ceph-operator"
 	}
 
 	return labels

pkg/operator/ceph/cluster/osd/labels.go

@@ -51,6 +51,12 @@ func (c *Cluster) getOSDLabels(osd OSDInfo, failureDomainValue string, portable
 	labels[OsdIdLabelKey] = stringID
 	labels[FailureDomainKey] = failureDomainValue
 	labels[portableKey] = strconv.FormatBool(portable)
+	labels["app.kubernetes.io/name"] = AppName
+	labels["app.kubernetes.io/instance"] = c.clusterInfo.Namespace + "_osd-" + stringID
+	labels["app.kubernetes.io/component"] = "ceph-osd"
+	labels["app.kubernetes.io/part-of"] = "cephclusters.ceph.rook.io_" + c.clusterInfo.Namespace
+	labels["app.kubernetes.io/managed-by"] = "rook-ceph-operator"
+	labels["app.kubernetes.io/created-by"] = "rook-ceph-operator"
 	for k, v := range getOSDTopologyLocationLabels(osd.Location) {
 		labels[k] = v
 	}

pkg/operator/ceph/file/mds/spec.go

@@ -157,6 +157,14 @@ func (c *Cluster) makeMdsDaemonContainer(mdsConfig *mdsConfig) v1.Container {
 func (c *Cluster) podLabels(mdsConfig *mdsConfig, includeNewLabels bool) map[string]string {
 	labels := controller.CephDaemonAppLabels(AppName, c.fs.Namespace, "mds", mdsConfig.DaemonID, includeNewLabels)
 	labels["rook_file_system"] = c.fs.Name
+	if includeNewLabels {
+		labels["app.kubernetes.io/name"] = AppName
+		labels["app.kubernetes.io/instance"] = c.clusterInfo.Namespace + "_mds-" + mdsConfig.DaemonID
+		labels["app.kubernetes.io/component"] = "ceph-mds"
+		labels["app.kubernetes.io/part-of"] = "cephfilesystems.ceph.rook.io_" + c.clusterInfo.Namespace
+		labels["app.kubernetes.io/managed-by"] = "rook-ceph-operator"
+		labels["app.kubernetes.io/created-by"] = "rook-ceph-operator"
+	}
 	return labels
 }
 

pkg/operator/ceph/nfs/spec.go

@@ -245,6 +245,14 @@ func getLabels(n *cephv1.CephNFS, name string, includeNewLabels bool) map[string
 	labels := controller.CephDaemonAppLabels(AppName, n.Namespace, "nfs", name, includeNewLabels)
 	labels["ceph_nfs"] = n.Name
 	labels["instance"] = name
+	if includeNewLabels {
+		labels["app.kubernetes.io/name"] = AppName
+		labels["app.kubernetes.io/instance"] = n.Namespace + "_nfs-" + name
+		labels["app.kubernetes.io/component"] = "ceph-nfs"
+		labels["app.kubernetes.io/part-of"] = "cephnfses.ceph.rook.io_" + n.Namespace
+		labels["app.kubernetes.io/managed-by"] = "rook-ceph-operator"
+		labels["app.kubernetes.io/created-by"] = "rook-ceph-operator"
+	}
 	return labels
 }
 

pkg/operator/ceph/object/spec.go

@@ -541,6 +541,14 @@ func addPortToEndpoint(endpoints *v1.Endpoints, name string, port int32) {
 func getLabels(name, namespace string, includeNewLabels bool) map[string]string {
 	labels := controller.CephDaemonAppLabels(AppName, namespace, "rgw", name, includeNewLabels)
 	labels["rook_object_store"] = name
+	if includeNewLabels {
+		labels["app.kubernetes.io/name"] = AppName
+		labels["app.kubernetes.io/instance"] = namespace + "_rgw-" + name
+		labels["app.kubernetes.io/component"] = "ceph-rgw"
+		labels["app.kubernetes.io/part-of"] = "cephobjectstores.ceph.rook.io_" + namespace + "_" + name
+		labels["app.kubernetes.io/managed-by"] = "rook-ceph-operator"
+		labels["app.kubernetes.io/created-by"] = "rook-ceph-operator"
+	}
 	return labels
 }