Perform manual failover during the scale down

pkg/cluster/cluster.go

@@ -316,7 +316,6 @@ func (c *Cluster) compareStatefulSetWith(statefulSet *v1beta1.StatefulSet) *comp
 		reasons = append(reasons, "new statefulset's container specification doesn't match the current one")
 	}
 	if len(c.Statefulset.Spec.Template.Spec.Containers) == 0 {
-
 		c.logger.Warningf("statefulset %q has no container", util.NameFromMeta(c.Statefulset.ObjectMeta))
 		return &compareStatefulsetResult{}
 	}
@@ -432,10 +431,8 @@ func (c *Cluster) Update(newSpec *spec.Postgresql) error {
 	defer c.mu.Unlock()
 
 	c.setStatus(spec.ClusterStatusUpdating)
-	c.logger.Debugf("cluster update from version %q to %q",
-		c.ResourceVersion, newSpec.ResourceVersion)
 
-	/* Make sure we update when this function exists */
+	/* Make sure we update when this function exits */
 	defer func() {
 		c.Postgresql = *newSpec
 	}()