Some tweaks to ensure compat with newer Go. (#383)

pkg/apis/acid.zalan.do/v1/util_test.go

@@ -129,13 +129,8 @@ var unmarshalCluster = []struct {
 			Name: "acid-testcluster1",
 		},
 		Status: ClusterStatusInvalid,
-		Error: (&json.UnmarshalTypeError{
-			Value:  "number",
-			Type:   reflect.TypeOf(""),
-			Offset: 126,
-			Struct: "PostgresSpec",
-			Field:  "teamId",
-		}).Error(),
+		// This error message can vary between Go versions, so compute it for the current version.
+		Error: json.Unmarshal([]byte(`{"teamId": 0}`), &PostgresSpec{}).Error(),
 	},
 	[]byte(`{"kind":"Postgresql","apiVersion":"acid.zalan.do/v1","metadata":{"name":"acid-testcluster1","creationTimestamp":null},"spec":{"postgresql":{"version":"","parameters":null},"volume":{"size":"","storageClass":""},"patroni":{"initdb":null,"pg_hba":null,"ttl":0,"loop_wait":0,"retry_timeout":0,"maximum_lag_on_failover":0},"resources":{"requests":{"cpu":"","memory":""},"limits":{"cpu":"","memory":""}},"teamId":"","allowedSourceRanges":null,"numberOfInstances":0,"users":null,"clone":{}},"status":"Invalid"}`), nil},
 	{[]byte(`{

pkg/cluster/cluster_test.go

@@ -256,7 +256,7 @@ func TestInitHumanUsersWithSuperuserTeams(t *testing.T) {
 			ownerTeam: "postgres_superusers",
 			existingRoles: map[string]spec.PgUser{
 				// role with the name exists before  w/o superuser privilege
-				"postgres_superuser": spec.PgUser{
+				"postgres_superuser": {
 					Origin:     spec.RoleOriginTeamsAPI,
 					Name:       "postgres_superuser",
 					Password:   "",

pkg/controller/postgresql.go

@@ -71,7 +71,7 @@ func (c *Controller) clusterListAndSync() error {
 		}
 		c.queueEvents(list, event)
 	} else {
-		c.logger.Infof("not enough time passed since the last sync (%s seconds) or repair (%s seconds)",
+		c.logger.Infof("not enough time passed since the last sync (%v seconds) or repair (%v seconds)",
 			timeFromPreviousSync, timeFromPreviousRepair)
 	}
 	return nil