Merge branch 'master' into feature/connection-pooler

pkg/controller/controller.go

@@ -224,7 +224,7 @@ func (c *Controller) initRoleBinding() {
 
 	switch {
 	case err != nil:
-		panic(fmt.Errorf("unable to parse the definition of the role binding for the pod service account definition from the operator configuration: %v", err))
+		panic(fmt.Errorf("unable to parse the role binding definition from the operator configuration: %v", err))
 	case groupVersionKind.Kind != "RoleBinding":
 		panic(fmt.Errorf("role binding definition in the operator configuration defines another type of resource: %v", groupVersionKind.Kind))
 	default:

pkg/controller/node.go

@@ -5,7 +5,7 @@ import (
 	"time"
 
 	"github.com/zalando/postgres-operator/pkg/util/retryutil"
-	"k8s.io/api/core/v1"
+	v1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -172,19 +172,19 @@ func (c *Controller) nodeDelete(obj interface{}) {
 }
 
 func (c *Controller) moveMasterPodsOffNode(node *v1.Node) {
-
+	// retry to move master until configured timeout is reached
 	err := retryutil.Retry(1*time.Minute, c.opConfig.MasterPodMoveTimeout,
 		func() (bool, error) {
 			err := c.attemptToMoveMasterPodsOffNode(node)
 			if err != nil {
-				return false, fmt.Errorf("unable to move master pods off the unschedulable node; will retry after delay of 1 minute")
+				return false, err
 			}
 			return true, nil
 		},
 	)
 
 	if err != nil {
-		c.logger.Warningf("failed to move master pods from the node %q: timeout of %v minutes expired", node.Name, c.opConfig.MasterPodMoveTimeout)
+		c.logger.Warningf("failed to move master pods from the node %q: %v", node.Name, err)
 	}
 
 }

pkg/controller/postgresql.go

@@ -505,11 +505,11 @@ func (c *Controller) submitRBACCredentials(event ClusterEvent) error {
 	namespace := event.NewSpec.GetNamespace()
 
 	if err := c.createPodServiceAccount(namespace); err != nil {
-		return fmt.Errorf("could not create pod service account %v : %v", c.opConfig.PodServiceAccountName, err)
+		return fmt.Errorf("could not create pod service account %q : %v", c.opConfig.PodServiceAccountName, err)
 	}
 
 	if err := c.createRoleBindings(namespace); err != nil {
-		return fmt.Errorf("could not create role binding %v : %v", c.PodServiceAccountRoleBinding.Name, err)
+		return fmt.Errorf("could not create role binding %q : %v", c.PodServiceAccountRoleBinding.Name, err)
 	}
 	return nil
 }
@@ -520,16 +520,16 @@ func (c *Controller) createPodServiceAccount(namespace string) error {
 	_, err := c.KubeClient.ServiceAccounts(namespace).Get(podServiceAccountName, metav1.GetOptions{})
 	if k8sutil.ResourceNotFound(err) {
 
-		c.logger.Infof(fmt.Sprintf("creating pod service account in the namespace %v", namespace))
+		c.logger.Infof(fmt.Sprintf("creating pod service account %q in the %q namespace", podServiceAccountName, namespace))
 
 		// get a separate copy of service account
 		// to prevent a race condition when setting a namespace for many clusters
 		sa := *c.PodServiceAccount
 		if _, err = c.KubeClient.ServiceAccounts(namespace).Create(&sa); err != nil {
-			return fmt.Errorf("cannot deploy the pod service account %v defined in the config map to the %v namespace: %v", podServiceAccountName, namespace, err)
+			return fmt.Errorf("cannot deploy the pod service account %q defined in the configuration to the %q namespace: %v", podServiceAccountName, namespace, err)
 		}
 
-		c.logger.Infof("successfully deployed the pod service account %v to the %v namespace", podServiceAccountName, namespace)
+		c.logger.Infof("successfully deployed the pod service account %q to the %q namespace", podServiceAccountName, namespace)
 	} else if k8sutil.ResourceAlreadyExists(err) {
 		return nil
 	}
@@ -545,14 +545,14 @@ func (c *Controller) createRoleBindings(namespace string) error {
 	_, err := c.KubeClient.RoleBindings(namespace).Get(podServiceAccountRoleBindingName, metav1.GetOptions{})
 	if k8sutil.ResourceNotFound(err) {
 
-		c.logger.Infof("Creating the role binding %v in the namespace %v", podServiceAccountRoleBindingName, namespace)
+		c.logger.Infof("Creating the role binding %q in the %q namespace", podServiceAccountRoleBindingName, namespace)
 
 		// get a separate copy of role binding
 		// to prevent a race condition when setting a namespace for many clusters
 		rb := *c.PodServiceAccountRoleBinding
 		_, err = c.KubeClient.RoleBindings(namespace).Create(&rb)
 		if err != nil {
-			return fmt.Errorf("cannot bind the pod service account %q defined in the config map to the cluster role in the %q namespace: %v", podServiceAccountName, namespace, err)
+			return fmt.Errorf("cannot bind the pod service account %q defined in the configuration to the cluster role in the %q namespace: %v", podServiceAccountName, namespace, err)
 		}
 
 		c.logger.Infof("successfully deployed the role binding for the pod service account %q to the %q namespace", podServiceAccountName, namespace)