Merge pull request #16314 from rook/mergify/bp/release-1.17/pr-16293

operator: mount udev to cleanup job and disable udev sync (backport #16293)

pkg/operator/ceph/cluster/cleanup.go

@@ -122,7 +122,12 @@ func (c *ClusterController) cleanUpJobContainer(cluster *cephv1.CephCluster, mon
 			{Name: sanitizeDataSource, Value: cluster.Spec.CleanupPolicy.SanitizeDisks.DataSource.String()},
 			{Name: sanitizeIteration, Value: strconv.Itoa(int(cluster.Spec.CleanupPolicy.SanitizeDisks.Iteration))},
 		}...)
-		if controller.LoopDevicesAllowed() {
+		// mount udev for host based clusters
+		if len(cluster.Spec.Storage.StorageClassDeviceSets) == 0 {
+			volumeMounts = append(volumeMounts, v1.VolumeMount{Name: "run-udev", MountPath: "/run/udev"})
+			envVars = append(envVars, v1.EnvVar{Name: "DM_DISABLE_UDEV", Value: "1"})
+		}
+		if opcontroller.LoopDevicesAllowed() {
 			envVars = append(envVars, v1.EnvVar{Name: "CEPH_VOLUME_ALLOW_LOOP_DEVICES", Value: "true"})
 		}
 	}
@@ -150,6 +155,10 @@ func (c *ClusterController) cleanUpJobTemplateSpec(cluster *cephv1.CephCluster,
 	devVolume := v1.Volume{Name: "devices", VolumeSource: v1.VolumeSource{HostPath: &v1.HostPathVolumeSource{Path: "/dev"}}}
 	volumes = append(volumes, hostPathVolume)
 	volumes = append(volumes, devVolume)
+	// mount udev for host based clusters
+	if len(cluster.Spec.Storage.StorageClassDeviceSets) == 0 {
+		volumes = append(volumes, v1.Volume{Name: "run-udev", VolumeSource: v1.VolumeSource{HostPath: &v1.HostPathVolumeSource{Path: "/run/udev"}}})
+	}
 
 	podSpec := v1.PodTemplateSpec{
 		ObjectMeta: metav1.ObjectMeta{