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-rw-r--r--vnfs/DAaaS/microservices/collectd-operator/deploy/operator.yaml4
-rw-r--r--vnfs/DAaaS/microservices/collectd-operator/pkg/controller/collectdplugin/collectdplugin_controller.go63
2 files changed, 50 insertions, 17 deletions
diff --git a/vnfs/DAaaS/microservices/collectd-operator/deploy/operator.yaml b/vnfs/DAaaS/microservices/collectd-operator/deploy/operator.yaml
index b39543ec..a61d4a02 100644
--- a/vnfs/DAaaS/microservices/collectd-operator/deploy/operator.yaml
+++ b/vnfs/DAaaS/microservices/collectd-operator/deploy/operator.yaml
@@ -22,7 +22,9 @@ spec:
imagePullPolicy: Always
env:
- name: WATCH_NAMESPACE
- value: ""
+ value: "cop"
+ - name: WATCH_LABELS
+ value: "app=collectd"
- name: POD_NAME
valueFrom:
fieldRef:
diff --git a/vnfs/DAaaS/microservices/collectd-operator/pkg/controller/collectdplugin/collectdplugin_controller.go b/vnfs/DAaaS/microservices/collectd-operator/pkg/controller/collectdplugin/collectdplugin_controller.go
index 5bab455e..3e99cdb3 100644
--- a/vnfs/DAaaS/microservices/collectd-operator/pkg/controller/collectdplugin/collectdplugin_controller.go
+++ b/vnfs/DAaaS/microservices/collectd-operator/pkg/controller/collectdplugin/collectdplugin_controller.go
@@ -5,6 +5,7 @@ import (
"crypto/sha256"
"fmt"
"github.com/go-logr/logr"
+ "os"
onapv1alpha1 "demo/vnfs/DAaaS/microservices/collectd-operator/pkg/apis/onap/v1alpha1"
@@ -77,7 +78,15 @@ type ReconcileCollectdPlugin struct {
}
// Define the collectdPlugin finalizer for handling deletion
-const collectdPluginFinalizer = "finalizer.collectdplugin.onap.org"
+const (
+ defaultWatchLabel = "app=collectd"
+ collectdPluginFinalizer = "finalizer.collectdplugin.onap.org"
+
+ // WatchLabelsEnvVar is the constant for env variable WATCH_LABELS
+ // which is the labels where the watch activity happens.
+ // this value is empty if the operator is running with clusterScope.
+ WatchLabelsEnvVar = "WATCH_LABELS"
+)
// Reconcile reads that state of the cluster for a CollectdPlugin object and makes changes based on the state read
// and what is in the CollectdPlugin.Spec
@@ -117,15 +126,16 @@ func (r *ReconcileCollectdPlugin) Reconcile(request reconcile.Request) (reconcil
if err := r.addFinalizer(reqLogger, instance); err != nil {
return reconcile.Result{}, err
}
+ return reconcile.Result{}, nil
}
- err = r.handleCollectdPlugin(reqLogger, instance)
+ err = r.handleCollectdPlugin(reqLogger, instance, false)
return reconcile.Result{}, err
}
// handleCollectdPlugin regenerates the collectd conf on CR Create, Update, Delete events
-func (r *ReconcileCollectdPlugin) handleCollectdPlugin(reqLogger logr.Logger, cr *onapv1alpha1.CollectdPlugin) error {
+func (r *ReconcileCollectdPlugin) handleCollectdPlugin(reqLogger logr.Logger, cr *onapv1alpha1.CollectdPlugin, isDelete bool) error {
- rmap, err := r.findResourceMapForCR(cr)
+ rmap, err := r.findResourceMapForCR(reqLogger, cr)
if err != nil {
reqLogger.Error(err, "Skip reconcile: Resources not found")
return err
@@ -138,7 +148,7 @@ func (r *ReconcileCollectdPlugin) handleCollectdPlugin(reqLogger logr.Logger, cr
reqLogger.V(1).Info(":::: ConfigMap Info ::::", "ConfigMap.Namespace", cm.Namespace, "ConfigMap.Name", cm.Name)
reqLogger.V(1).Info(":::: DaemonSet Info ::::", "DaemonSet.Namespace", ds.Namespace, "DaemonSet.Name", ds.Name)
- collectdConf, err := rebuildCollectdConf(collectPlugins)
+ collectdConf, err := rebuildCollectdConf(cr, collectPlugins, isDelete)
//Restart Collectd Pods
//Restart only if hash of configmap has changed.
@@ -160,6 +170,7 @@ func (r *ReconcileCollectdPlugin) handleCollectdPlugin(reqLogger logr.Logger, cr
return err
}
+ reqLogger.Info("Reloading the Daemonset", "DaemonSet.Namespace", ds.Namespace, "DaemonSet.Name", ds.Name)
err = r.client.Update(context.TODO(), ds)
if err != nil {
reqLogger.Error(err, "Update the DaemonSet failed", "DaemonSet.Namespace", ds.Namespace, "DaemonSet.Name", ds.Name)
@@ -178,24 +189,29 @@ func ComputeSHA256(data []byte) string {
}
// findResourceMapForCR returns the configMap, collectd Daemonset and list of Collectd Plugins
-func (r *ReconcileCollectdPlugin) findResourceMapForCR(cr *onapv1alpha1.CollectdPlugin) (ResourceMap, error) {
+func (r *ReconcileCollectdPlugin) findResourceMapForCR(reqLogger logr.Logger, cr *onapv1alpha1.CollectdPlugin) (ResourceMap, error) {
cmList := &corev1.ConfigMapList{}
opts := &client.ListOptions{}
rmap := ResourceMap{}
- // Select ConfigMaps with label app=collectd
- opts.SetLabelSelector("app=collectd")
+ // Select ConfigMaps with label
+ labelSelector, err := getWatchLabels()
+ if err != nil {
+ reqLogger.Error(err, "Failed to get watch labels, continuing with default label")
+ }
+ opts.SetLabelSelector(labelSelector)
opts.InNamespace(cr.Namespace)
- err := r.client.List(context.TODO(), opts, cmList)
+
+ err = r.client.List(context.TODO(), opts, cmList)
if err != nil {
return rmap, err
}
if cmList.Items == nil || len(cmList.Items) == 0 {
- return rmap, err
+ return rmap, errors.NewNotFound(corev1.Resource("configmap"), "ConfigMap")
}
- // Select DaemonSets with label app=collectd
+ // Select DaemonSets with label
dsList := &extensionsv1beta1.DaemonSetList{}
err = r.client.List(context.TODO(), opts, dsList)
if err != nil {
@@ -203,7 +219,7 @@ func (r *ReconcileCollectdPlugin) findResourceMapForCR(cr *onapv1alpha1.Collectd
}
if dsList.Items == nil || len(dsList.Items) == 0 {
- return rmap, err
+ return rmap, errors.NewNotFound(corev1.Resource("daemonset"), "DaemonSet")
}
// Get all collectd plugins in the current namespace to rebuild conf.
@@ -222,7 +238,7 @@ func (r *ReconcileCollectdPlugin) findResourceMapForCR(cr *onapv1alpha1.Collectd
}
// Get all collectd plugins and reconstruct, compute Hash and check for changes
-func rebuildCollectdConf(cpList *[]onapv1alpha1.CollectdPlugin) (string, error) {
+func rebuildCollectdConf(cr *onapv1alpha1.CollectdPlugin, cpList *[]onapv1alpha1.CollectdPlugin, isDelete bool) (string, error) {
var collectdConf string
if *cpList == nil || len(*cpList) == 0 {
return "", errors.NewNotFound(corev1.Resource("collectdplugin"), "CollectdPlugin")
@@ -236,6 +252,10 @@ func rebuildCollectdConf(cpList *[]onapv1alpha1.CollectdPlugin) (string, error)
}
}
+ if isDelete {
+ delete(loadPlugin, cr.Spec.PluginName)
+ }
+
log.V(1).Info("::::::: Plugins Map ::::::: ", "PluginMap ", loadPlugin)
for cpName, cpConf := range loadPlugin {
@@ -243,7 +263,7 @@ func rebuildCollectdConf(cpList *[]onapv1alpha1.CollectdPlugin) (string, error)
collectdConf += cpConf + "\n"
}
- collectdConf += "\n#Last line (collectd requires ā€˜\\nā€™ at the last line)"
+ collectdConf += "#Last line (collectd requires ā€˜\\nā€™ at the last line)\n"
return collectdConf, nil
}
@@ -277,7 +297,9 @@ func (r *ReconcileCollectdPlugin) handleDelete(reqLogger logr.Logger, cr *onapv1
func (r *ReconcileCollectdPlugin) updateStatus(cr *onapv1alpha1.CollectdPlugin) error {
podList := &corev1.PodList{}
opts := &client.ListOptions{}
- opts.SetLabelSelector("app=collectd")
+ // Select ConfigMaps with label
+ labelSelector, _ := getWatchLabels()
+ opts.SetLabelSelector(labelSelector)
var pods []string
opts.InNamespace(cr.Namespace)
err := r.client.List(context.TODO(), opts, podList)
@@ -299,7 +321,7 @@ func (r *ReconcileCollectdPlugin) updateStatus(cr *onapv1alpha1.CollectdPlugin)
func (r *ReconcileCollectdPlugin) finalizeCollectdPlugin(reqLogger logr.Logger, cr *onapv1alpha1.CollectdPlugin) error {
// Cleanup by regenerating new collectd conf and rolling update of DaemonSet
- if err := r.handleCollectdPlugin(reqLogger, cr); err != nil {
+ if err := r.handleCollectdPlugin(reqLogger, cr, true); err != nil {
reqLogger.Error(err, "Finalize CollectdPlugin failed!!")
return err
}
@@ -337,3 +359,12 @@ func remove(list []string, s string) []string {
}
return list
}
+
+// getWatchLabels returns the labels the operator should be watching for changes
+func getWatchLabels() (string, error) {
+ labelSelector, found := os.LookupEnv(WatchLabelsEnvVar)
+ if !found {
+ return defaultWatchLabel, fmt.Errorf("%s must be set", WatchLabelsEnvVar)
+ }
+ return labelSelector, nil
+}