Convert default account definiton into JSON

pkg/cluster/cluster.go

@@ -208,13 +208,11 @@ func (c *Cluster) createPodServiceAccounts() error {
 	_, err := c.KubeClient.ServiceAccounts(c.Namespace).Get(podServiceAccountName, metav1.GetOptions{})
 
 	if err != nil {
-		c.logger.Warnf("the pod service account %q cannot be retrieved in the namespace %q. Stateful sets in the namespace may be unable to create pods. Error: %v", podServiceAccountName, c.Namespace, err)
+		c.logger.Infof("the pod service account %q cannot be retrieved in the namespace %q; stateful sets in the namespace may be unable to create pods. Trying to deploy the account.", podServiceAccountName, c.Namespace)
 
 		// get a separate copy of service account
 		// to prevent a race condition when setting a namespace for many clusters
 		sa := *c.PodServiceAccount
-		sa.SetNamespace(c.Namespace)
-
 		_, err = c.KubeClient.ServiceAccounts(c.Namespace).Create(&sa)
 		if err != nil {
 			return fmt.Errorf("cannot deploy the pod service account %q defined in the config map to the %q namespace: %v", podServiceAccountName, c.Namespace, err)

pkg/controller/controller.go

@@ -120,6 +120,17 @@ func (c *Controller) initOperatorConfig() {
 }
 
 func (c *Controller) initPodServiceAccount() {
+
+	if c.opConfig.PodServiceAccountDefinition == "" {
+		c.opConfig.PodServiceAccountDefinition = `
+		{ "apiVersion": "v1", 
+		  "kind": "ServiceAccount", 
+		  "metadata": { 
+				 "name": "operator" 
+		   }
+		}`
+	}
+
 	// re-uses k8s internal parsing. See k8s client-go issue #193 for explanation
 	decode := scheme.Codecs.UniversalDeserializer().Decode
 	obj, groupVersionKind, err := decode([]byte(c.opConfig.PodServiceAccountDefinition), nil, nil)
@@ -134,6 +145,7 @@ func (c *Controller) initPodServiceAccount() {
 		if c.PodServiceAccount.Name != c.opConfig.PodServiceAccountName {
 			c.logger.Warnf("in the operator config map, the pod service account name %v does not match the name %v given in the account definition; using the former for consistency", c.opConfig.PodServiceAccountName, c.PodServiceAccount.Name)
 			c.PodServiceAccount.Name = c.opConfig.PodServiceAccountName
+			c.PodServiceAccount.Namespace = ""
 		}
 	}
 

pkg/util/config/config.go

@@ -73,7 +73,8 @@ type Config struct {
 	DockerImage      string `name:"docker_image" default:"registry.opensource.zalan.do/acid/spiloprivate-9.6:1.2-p4"`
 	// default name `operator` enables backward compatibility with the older ServiceAccountName field
 	PodServiceAccountName string `name:"pod_service_account_name" default:"operator"`
-	PodServiceAccountDefinition string `name:"pod_service_account_definition" default:"apiVersion: v1\nkind: ServiceAccount\nmetadata:\n  name: operator\n"`
+	// value of this string must be valid JSON or YAML; see initPodServiceAccount
+	PodServiceAccountDefinition string `name:"pod_service_account_definition" default:""`
 	DbHostedZone                string `name:"db_hosted_zone" default:"db.example.com"`
 	EtcdScope                   string `name:"etcd_scope" default:"service"`
 	WALES3Bucket                string `name:"wal_s3_bucket"`