test/e2e: Add test for config option to disable Grafana

openshift · Jun 28, 2021 · d276735 · d276735
1 parent 410a9d6
commit d276735
Showing 1 changed file with 45 additions and 0 deletions.
diff --git a/test/e2e/config_test.go b/test/e2e/config_test.go
@@ -21,6 +21,7 @@ import (
 	configv1 "github.com/openshift/api/config/v1"
 	"github.com/pkg/errors"
 	v1 "k8s.io/api/core/v1"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
 	"github.com/openshift/cluster-monitoring-operator/test/e2e/framework"
@@ -92,6 +93,50 @@ func TestClusterMonitoringOperatorConfiguration(t *testing.T) {
 	t.Log("asserting that CMO goes back healthy after the configuration is fixed")
 	assertOperatorCondition(t, configv1.OperatorDegraded, configv1.ConditionFalse)
 	assertOperatorCondition(t, configv1.OperatorAvailable, configv1.ConditionTrue)
+
+	// Push a configuration that disables Grafana.
+	validCM.Data["config.yaml"] += `grafana: {"enabled": false}`
+
+	if err := f.OperatorClient.CreateOrUpdateConfigMap(validCM); err != nil {
+		t.Fatal(err)
+	}
+
+	// Wait for Grafana deployment to disappear.
+	err = framework.Poll(time.Second, 5*time.Minute, func() error {
+		_, err := f.KubeClient.AppsV1().Deployments(f.Ns).Get(context.TODO(), "grafana", metav1.GetOptions{})
+		if apierrors.IsNotFound(err) {
+			return nil
+		}
+
+		return errors.New("Grafana deployment still exists")
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Log("asserting that CMO is healthy after disabling Grafana")
+	assertOperatorCondition(t, configv1.OperatorDegraded, configv1.ConditionFalse)
+	assertOperatorCondition(t, configv1.OperatorAvailable, configv1.ConditionTrue)
+
+	// Push a default configuration that re-enables Grafana.
+	validCM.Data["config.yaml"] = "enableUserWorkload: true"
+
+	if err := f.OperatorClient.CreateOrUpdateConfigMap(validCM); err != nil {
+		t.Fatal(err)
+	}
+
+	// Wait for Grafana deployment to appear.
+	err = framework.Poll(time.Second, 5*time.Minute, func() error {
+		_, err := f.KubeClient.AppsV1().Deployments(f.Ns).Get(context.TODO(), "grafana", metav1.GetOptions{})
+		return err
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	t.Log("asserting that CMO is healthy after re-enabling Grafana")
+	assertOperatorCondition(t, configv1.OperatorDegraded, configv1.ConditionFalse)
+	assertOperatorCondition(t, configv1.OperatorAvailable, configv1.ConditionTrue)
 }
 
 func assertOperatorCondition(t *testing.T, conditionType configv1.ClusterStatusConditionType, conditionStatus configv1.ConditionStatus) {