chore: remove the old name of the instance manager (PGK) from code comments (cloudnative-pg#1530)

Signed-off-by: Marco Nenciarini <marco.nenciarini@enterprisedb.com>

Author: mnencia

internal/management/controller/manager.go

@@ -14,8 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-// Package controller contains the function in PGK that reacts to events in
-// the cluster.
+// Package controller contains the functions in PostgreSQL instance manager
+// that reacts to changes to the Cluster resource.
 package controller
 
 import (
@@ -33,8 +33,8 @@ import (
 	"github.com/cloudnative-pg/cloudnative-pg/pkg/management/postgres/webserver/metricserver"
 )
 
-// InstanceReconciler can reconcile the status of the PostgreSQL cluster with
-// the one of this PostgreSQL instance. Also the configuration in the
+// InstanceReconciler reconciles the status of the Cluster resource with
+// the one of this PostgreSQL instance. Also, the configuration in the
 // ConfigMap is applied when needed
 type InstanceReconciler struct {
 	client   ctrl.Client

internal/pgbouncer/management/controller/manager.go

@@ -14,8 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-// Package controller contains the function in PGK that reacts to events in
-// the cluster.
+// Package controller contains the functions in pgbouncer instance manager
+// that reacts to changes in the Pooler resource.
 package controller
 
 import (
@@ -38,9 +38,8 @@ import (
 	"github.com/cloudnative-pg/cloudnative-pg/pkg/management/pgbouncer/config"
 )
 
-// PgBouncerReconciler can reconcile the status of the PostgreSQL cluster with
-// the one of this PostgreSQL instance. Also the configuration in the
-// ConfigMap is applied when needed
+// PgBouncerReconciler reconciles the status of the Pooler resource with
+// the one of this pgbouncer instance
 type PgBouncerReconciler struct {
 	client               ctrl.WithWatch
 	poolerWatch          watch.Interface

pkg/management/log/log.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-// Package log contains the logging subsystem of PGK
+// Package log contains the logging subsystem of the instance manager
 package log
 
 import (

pkg/management/logtest/logtest.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-// Package logtest contains the testing utils for the logging subsystem of PGK
+// Package logtest contains the testing utils for the logging subsystem of the instance manager
 package logtest
 
 import (

pkg/management/postgres/initdb.go

@@ -15,8 +15,8 @@ limitations under the License.
 */
 
 // Package postgres contains the function about starting up,
-// shutting down and managing a PostgreSQL instance. This functions
-// are primarily used by PGK
+// shutting down and managing a PostgreSQL instance. These functions
+// are primarily used by the instance manager
 package postgres
 
 import (

pkg/specs/rolebinding.go

@@ -21,7 +21,7 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 )
 
-// CreateRoleBinding is the binding between the permissions that PGK can use
+// CreateRoleBinding is the binding between the permissions that the instance manager can use
 // and the ServiceAccount used by the Pod
 func CreateRoleBinding(objectMeta metav1.ObjectMeta) rbacv1.RoleBinding {
 	return rbacv1.RoleBinding{