package resourcebundlestate import ( "context" "log" "github.com/onap/multicloud-k8s/src/monitor/pkg/apis/k8splugin/v1alpha1" appsv1 "k8s.io/api/apps/v1" v1 "k8s.io/api/batch/v1" corev1 "k8s.io/api/core/v1" v1beta1 "k8s.io/api/extensions/v1beta1" k8serrors "k8s.io/apimachinery/pkg/api/errors" "sigs.k8s.io/controller-runtime/pkg/client" "sigs.k8s.io/controller-runtime/pkg/controller" "sigs.k8s.io/controller-runtime/pkg/manager" "sigs.k8s.io/controller-runtime/pkg/reconcile" "sigs.k8s.io/controller-runtime/pkg/source" ) // Add the new controller to the controller manager func Add(mgr manager.Manager) error { return add(mgr, newReconciler(mgr)) } func add(mgr manager.Manager, r *reconciler) error { // Create a new controller c, err := controller.New("ResourceBundleState-controller", mgr, controller.Options{Reconciler: r}) if err != nil { return err } // Watch for changes to primary resource ResourceBundleState err = c.Watch(&source.Kind{Type: &v1alpha1.ResourceBundleState{}}, &EventHandler{}) if err != nil { return err } return nil } func newReconciler(m manager.Manager) *reconciler { return &reconciler{client: m.GetClient()} } type reconciler struct { // Stores an array of all the ResourceBundleState crList []v1alpha1.ResourceBundleState client client.Client } // Reconcile implements the loop that will manage the ResourceBundleState CR // We only accept CREATE events here and any subsequent changes are ignored. func (r *reconciler) Reconcile(req reconcile.Request) (reconcile.Result, error) { log.Printf("Reconciling ResourceBundleState %+v\n", req) rbstate := &v1alpha1.ResourceBundleState{} err := r.client.Get(context.TODO(), req.NamespacedName, rbstate) if err != nil { if k8serrors.IsNotFound(err) { log.Printf("Object not found: %+v. Ignore as it must have been deleted.\n", req.NamespacedName) return reconcile.Result{}, nil } log.Printf("Failed to get object: %+v\n", req.NamespacedName) return reconcile.Result{}, err } err = r.updatePods(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding podstatuses: %v\n", err) return reconcile.Result{}, err } err = r.updateServices(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding servicestatuses: %v\n", err) return reconcile.Result{}, err } err = r.updateConfigMaps(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding configmapstatuses: %v\n", err) return reconcile.Result{}, err } err = r.updateDeployments(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding deploymentstatuses: %v\n", err) return reconcile.Result{}, err } err = r.updateSecrets(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding secretstatuses: %v\n", err) return reconcile.Result{}, err } err = r.updateDaemonSets(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding daemonSetstatuses: %v\n", err) return reconcile.Result{}, err } err = r.updateIngresses(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding ingressStatuses: %v\n", err) return reconcile.Result{}, err } err = r.updateJobs(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding jobstatuses: %v\n", err) return reconcile.Result{}, err } err = r.updateStatefulSets(rbstate, rbstate.Spec.Selector.MatchLabels) if err != nil { log.Printf("Error adding statefulSetstatuses: %v\n", err) return reconcile.Result{}, err } // TODO: Update this based on the statuses of the lower resources rbstate.Status.Ready = false err = r.client.Status().Update(context.TODO(), rbstate) if err != nil { log.Printf("failed to update rbstate: %v\n", err) return reconcile.Result{}, err } return reconcile.Result{}, nil } func (r *reconciler) updateServices(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the Services created as well serviceList := &corev1.ServiceList{} err := listResources(r.client, rbstate.Namespace, selectors, serviceList) if err != nil { log.Printf("Failed to list services: %v", err) return err } rbstate.Status.ServiceStatuses = []corev1.Service{} for _, svc := range serviceList.Items { resStatus := corev1.Service{ ObjectMeta: svc.ObjectMeta, Status: svc.Status, } rbstate.Status.ServiceStatuses = append(rbstate.Status.ServiceStatuses, resStatus) } return nil } func (r *reconciler) updatePods(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the pods tracked podList := &corev1.PodList{} err := listResources(r.client, rbstate.Namespace, selectors, podList) if err != nil { log.Printf("Failed to list pods: %v", err) return err } rbstate.Status.PodStatuses = []v1alpha1.PodStatus{} for _, pod := range podList.Items { resStatus := v1alpha1.PodStatus{ ObjectMeta: pod.ObjectMeta, Ready: false, Status: pod.Status, } rbstate.Status.PodStatuses = append(rbstate.Status.PodStatuses, resStatus) } return nil } func (r *reconciler) updateConfigMaps(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the ConfigMaps created as well configMapList := &corev1.ConfigMapList{} err := listResources(r.client, rbstate.Namespace, selectors, configMapList) if err != nil { log.Printf("Failed to list configMaps: %v", err) return err } rbstate.Status.ConfigMapStatuses = []corev1.ConfigMap{} for _, cm := range configMapList.Items { resStatus := corev1.ConfigMap{ ObjectMeta: cm.ObjectMeta, } rbstate.Status.ConfigMapStatuses = append(rbstate.Status.ConfigMapStatuses, resStatus) } return nil } func (r *reconciler) updateDeployments(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the Deployments created as well deploymentList := &appsv1.DeploymentList{} err := listResources(r.client, rbstate.Namespace, selectors, deploymentList) if err != nil { log.Printf("Failed to list deployments: %v", err) return err } rbstate.Status.DeploymentStatuses = []appsv1.Deployment{} for _, dep := range deploymentList.Items { resStatus := appsv1.Deployment{ ObjectMeta: dep.ObjectMeta, Status: dep.Status, } rbstate.Status.DeploymentStatuses = append(rbstate.Status.DeploymentStatuses, resStatus) } return nil } func (r *reconciler) updateSecrets(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the Secrets created as well secretList := &corev1.SecretList{} err := listResources(r.client, rbstate.Namespace, selectors, secretList) if err != nil { log.Printf("Failed to list secrets: %v", err) return err } rbstate.Status.SecretStatuses = []corev1.Secret{} for _, sec := range secretList.Items { resStatus := corev1.Secret{ ObjectMeta: sec.ObjectMeta, } rbstate.Status.SecretStatuses = append(rbstate.Status.SecretStatuses, resStatus) } return nil } func (r *reconciler) updateDaemonSets(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the DaemonSets created as well daemonSetList := &appsv1.DaemonSetList{} err := listResources(r.client, rbstate.Namespace, selectors, daemonSetList) if err != nil { log.Printf("Failed to list DaemonSets: %v", err) return err } rbstate.Status.DaemonSetStatuses = []appsv1.DaemonSet{} for _, ds := range daemonSetList.Items { resStatus := appsv1.DaemonSet{ ObjectMeta: ds.ObjectMeta, Status: ds.Status, } rbstate.Status.DaemonSetStatuses = append(rbstate.Status.DaemonSetStatuses, resStatus) } return nil } func (r *reconciler) updateIngresses(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the Ingresses created as well ingressList := &v1beta1.IngressList{} err := listResources(r.client, rbstate.Namespace, selectors, ingressList) if err != nil { log.Printf("Failed to list ingresses: %v", err) return err } rbstate.Status.IngressStatuses = []v1beta1.Ingress{} for _, ing := range ingressList.Items { resStatus := v1beta1.Ingress{ ObjectMeta: ing.ObjectMeta, Status: ing.Status, } rbstate.Status.IngressStatuses = append(rbstate.Status.IngressStatuses, resStatus) } return nil } func (r *reconciler) updateJobs(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the Services created as well jobList := &v1.JobList{} err := listResources(r.client, rbstate.Namespace, selectors, jobList) if err != nil { log.Printf("Failed to list jobs: %v", err) return err } rbstate.Status.JobStatuses = []v1.Job{} for _, job := range jobList.Items { resStatus := v1.Job{ ObjectMeta: job.ObjectMeta, Status: job.Status, } rbstate.Status.JobStatuses = append(rbstate.Status.JobStatuses, resStatus) } return nil } func (r *reconciler) updateStatefulSets(rbstate *v1alpha1.ResourceBundleState, selectors map[string]string) error { // Update the CR with the StatefulSets created as well statefulSetList := &appsv1.StatefulSetList{} err := listResources(r.client, rbstate.Namespace, selectors, statefulSetList) if err != nil { log.Printf("Failed to list statefulSets: %v", err) return err } rbstate.Status.StatefulSetStatuses = []appsv1.StatefulSet{} for _, sfs := range statefulSetList.Items { resStatus := appsv1.StatefulSet{ ObjectMeta: sfs.ObjectMeta, Status: sfs.Status, } rbstate.Status.StatefulSetStatuses = append(rbstate.Status.StatefulSetStatuses, resStatus) } return nil }