Patching ConsolePlugin CR with Prometheus service info

Signed-off-by: Arun Kumar Mohan <[email protected]>

controllers/managedocs_controller.go

@@ -23,6 +23,7 @@ import (
 	"io/ioutil"
 	"math"
 	"net/url"
+	"reflect"
 	"strconv"
 	"strings"
 	"time"
@@ -50,6 +51,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/source"
 
 	"github.com/go-logr/logr"
+	consolev1alpha1 "github.com/openshift/api/console/v1alpha1"
 	openshiftv1 "github.com/openshift/api/network/v1"
 	promv1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1"
 	promv1a1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1alpha1"
@@ -105,6 +107,7 @@ const (
 	convergedDeploymentType                = "converged"
 	consumerDeploymentType                 = "consumer"
 	providerDeploymentType                 = "provider"
+	ocpConsolePluginName                   = "odf-console"
 )
 
 // ManagedOCSReconciler reconciles a ManagedOCS object
@@ -149,6 +152,7 @@ type ManagedOCSReconciler struct {
 	addonParams                        map[string]string
 	onboardingValidationKeySecret      *corev1.Secret
 	prometheusKubeRBACConfigMap        *corev1.ConfigMap
+	ocpConsolePlugin                   *consolev1alpha1.ConsolePlugin
 }
 
 // Add necessary rbac permissions for managedocs finalizer in order to set blockOwnerDeletion.
@@ -435,6 +439,9 @@ func (r *ManagedOCSReconciler) initReconciler(ctx context.Context, req ctrl.Requ
 	r.prometheusKubeRBACConfigMap.Name = templates.PrometheusKubeRBACPoxyConfigMapName
 	r.prometheusKubeRBACConfigMap.Namespace = r.namespace
 
+	r.ocpConsolePlugin = &consolev1alpha1.ConsolePlugin{}
+	r.ocpConsolePlugin.Name = ocpConsolePluginName
+	r.ocpConsolePlugin.Namespace = r.namespace
 }
 
 func (r *ManagedOCSReconciler) reconcilePhases() (reconcile.Result, error) {
@@ -570,6 +577,9 @@ func (r *ManagedOCSReconciler) reconcilePhases() (reconcile.Result, error) {
 		if err := r.reconcileProviderAPIServerNetworkPolicy(); err != nil {
 			return ctrl.Result{}, err
 		}
+		if err := r.reconcileConsolePlugin(); err != nil {
+			return ctrl.Result{}, err
+		}
 
 		r.managedOCS.Status.ReconcileStrategy = r.reconcileStrategy
 
@@ -1752,6 +1762,47 @@ func (r *ManagedOCSReconciler) updateMCGCSV(csv *opv1a1.ClusterServiceVersion) e
 	return nil
 }
 
+func (r *ManagedOCSReconciler) reconcileConsolePlugin() error {
+	r.Log.Info("Reconciling ConsolePlugin")
+	if err := r.get(r.ocpConsolePlugin); err != nil && !errors.IsNotFound(err) {
+		return err
+	}
+	if r.ocpConsolePlugin.UID == "" {
+		// ODF Operator has to bring this CR,
+		// so if OCP ConsolePlugin is not ready, we ruturn silently
+		r.Log.Info("ConsolePlugin CR not found")
+		return nil
+	}
+	expectedProxy := templates.ConsolePluginProxyTemplate.DeepCopy()
+	expectedProxy.Service.Name = prometheusServiceName
+	expectedProxy.Service.Namespace = r.namespace
+
+	var matchingProxy *consolev1alpha1.ConsolePluginProxy
+	for i := range r.ocpConsolePlugin.Spec.Proxy {
+		currProxy := &r.ocpConsolePlugin.Spec.Proxy[i]
+		if currProxy.Service.Name == expectedProxy.Service.Name &&
+			currProxy.Service.Namespace == expectedProxy.Service.Namespace {
+			matchingProxy = currProxy
+			break
+		}
+	}
+	if matchingProxy == nil {
+		// if we didn't find any matching ConsolePluginProxy, append the expected proxy
+		r.ocpConsolePlugin.Spec.Proxy = append(r.ocpConsolePlugin.Spec.Proxy, *expectedProxy)
+	} else if reflect.DeepEqual(*matchingProxy, *expectedProxy) {
+		// if both, expected and matching PluginProxies, are same
+		// then nothing to do
+		return nil
+	} else { // else update with the expected proxy
+		expectedProxy.DeepCopyInto(matchingProxy)
+	}
+	// since the proxy array is changed at this point, update the console plugin
+	if err := r.update(r.ocpConsolePlugin); err != nil {
+		return fmt.Errorf("could not update OCP ConsolePlugin: %v", err)
+	}
+	return nil
+}
+
 func (r *ManagedOCSReconciler) removeOLMComponents() error {
 
 	r.Log.Info("deleting deployer csv")

templates/consolePlugin.go

@@ -0,0 +1,30 @@
+/*
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package templates
+
+import (
+	consolev1alpha1 "github.com/openshift/api/console/v1alpha1"
+)
+
+const (
+	ocpConsoleProxyAlias = "consoleproxy"
+)
+
+var ConsolePluginProxyTemplate = consolev1alpha1.ConsolePluginProxy{
+	Type:      consolev1alpha1.ProxyTypeService,
+	Authorize: true,
+	Alias:     ocpConsoleProxyAlias,
+	Service: consolev1alpha1.ConsolePluginProxyServiceConfig{
+		Port: int32(KubeRBACProxyPortNumber),
+	},
+}