Add recursive database owner change to postgres module/state

Add recursive owner change to postgres.db_alter and expose it via
postgres_database.present parameter.

`owner_recurse` defaults to false to avoid breaking compatibility, but
could arguably be a sane default.

doc/man/salt.7

@@ -89874,7 +89874,7 @@ salt \(aq*\(aq postgres.create_metadata adminpack
 .UNINDENT
 .INDENT 0.0
 .TP
-.B salt.modules.postgres.db_alter(name, user=None, host=None, port=None, maintenance_db=None, password=None, tablespace=None, owner=None, runas=None)
+.B salt.modules.postgres.db_alter(name, user=None, host=None, port=None, maintenance_db=None, password=None, tablespace=None, owner=None, owner_recurse=False, runas=None)
 Change tablespace or/and owner of database.
 .sp
 CLI Example:

salt/modules/postgres.py

@@ -400,7 +400,7 @@ def db_create(name,
 
 
 def db_alter(name, user=None, host=None, port=None, maintenance_db=None,
-             password=None, tablespace=None, owner=None,
+             password=None, tablespace=None, owner=None, owner_recurse=False,
              runas=None):
     '''
     Change tablespace or/and owner of database.
@@ -414,22 +414,31 @@ def db_alter(name, user=None, host=None, port=None, maintenance_db=None,
     if not any((tablespace, owner)):
         return True  # Nothing todo?
 
-    queries = []
-    if owner:
-        queries.append('ALTER DATABASE "{0}" OWNER TO "{1}"'.format(
-            name, owner
-        ))
-    if tablespace:
-        queries.append('ALTER DATABASE "{0}" SET TABLESPACE "{1}"'.format(
-            name, tablespace
-        ))
-    for query in queries:
-        ret = _psql_prepare_and_run(['-c', query],
-                                    user=user, host=host, port=port,
-                                    maintenance_db=maintenance_db,
-                                    password=password, runas=runas)
-        if ret['retcode'] != 0:
-            return False
+    if owner and owner_recurse:
+        ret = owner_to(name, owner,
+                       user=user,
+                       host=host,
+                       port=port,
+                       password=password,
+                       runas=runas)
+    else:
+        queries = []
+        if owner:
+            queries.append('ALTER DATABASE "{0}" OWNER TO "{1}"'.format(
+                name, owner
+            ))
+        if tablespace:
+            queries.append('ALTER DATABASE "{0}" SET TABLESPACE "{1}"'.format(
+                name, tablespace
+            ))
+        for query in queries:
+            ret = _psql_prepare_and_run(['-c', query],
+                                        user=user, host=host, port=port,
+                                        maintenance_db=maintenance_db,
+                                        password=password, runas=runas)
+
+    if ret['retcode'] != 0:
+        return False
 
     return True
 

salt/states/postgres_database.py

@@ -27,6 +27,7 @@ def present(name,
             lc_collate=None,
             lc_ctype=None,
             owner=None,
+            owner_recurse=False,
             template=None,
             user=None,
             maintenance_db=None,
@@ -56,6 +57,9 @@ def present(name,
     owner
         The username of the database owner
 
+    owner_recurse
+        Recurse owner change to all relations in the database
+
     template
         The template database from which to build this database
 
@@ -139,7 +143,7 @@ def present(name,
         name in dbs and __salt__['postgres.db_alter'](
             name,
             tablespace=tablespace,
-            owner=owner, **db_args)
+            owner=owner, owner_recurse=owner_recurse, **db_args)
     ):
         ret['comment'] = ('Parameters for database {0} have been changed'
                           ).format(name)