controller: add ReclaimSpaceCronJob controller

This commit adds ReclaimSpaceCronJob controller code
and unit tests for the same.

ReclaimSpaceCronJob controller watches for ReclaimSpaceCronJob,
validates resource, parses given schedule, create reclaimspacejob
as per shedule, deletes old failed/successful reclaimspacejob
and updates the status.

Signed-off-by: Rakshith R <rar@redhat.com>

Author: Rakshith-R

PROJECT

@@ -24,11 +24,15 @@ resources:
   version: v1alpha1
 - api:
     crdVersion: v1
-    namespaced: false
   controller: true
   domain: openshift.io
   group: csiaddons
   kind: NetworkFence
   path: github.com/csi-addons/kubernetes-csi-addons/api/v1alpha1
   version: v1alpha1
+- controller: true
+  domain: openshift.io
+  group: csiaddons
+  kind: ReclaimSpaceCronJob
+  version: v1alpha1
 version: "3"

cmd/manager/main.go

@@ -115,6 +115,13 @@ func main() {
 		setupLog.Error(err, "unable to create controller", "controller", "NetworkFence")
 		os.Exit(1)
 	}
+	if err = (&controllers.ReclaimSpaceCronJobReconciler{
+		Client: mgr.GetClient(),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "ReclaimSpaceCronJob")
+		os.Exit(1)
+	}
 	//+kubebuilder:scaffold:builder
 
 	if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {

config/rbac/role.yaml

@@ -73,6 +73,32 @@ rules:
   - get
   - patch
   - update
+- apiGroups:
+  - csiaddons.openshift.io
+  resources:
+  - reclaimspacecronjobs
+  verbs:
+  - create
+  - delete
+  - get
+  - list
+  - patch
+  - update
+  - watch
+- apiGroups:
+  - csiaddons.openshift.io
+  resources:
+  - reclaimspacecronjobs/finalizers
+  verbs:
+  - update
+- apiGroups:
+  - csiaddons.openshift.io
+  resources:
+  - reclaimspacecronjobs/status
+  verbs:
+  - get
+  - patch
+  - update
 - apiGroups:
   - csiaddons.openshift.io
   resources: