testgres from PBCKP-152-multihost

Merge branch 'master' of https://github.com/postgrespro/testgres into PBCKP-152-multihost

Author: v.shepard

testgres/api.py

@@ -30,7 +30,6 @@
 PostgresNode(name='...', port=..., base_dir='...')
 [(3,)]
 """
-from defaults import default_username
 from .node import PostgresNode
 
 

testgres/backup.py

@@ -4,9 +4,7 @@
 
 from shutil import rmtree, copytree
 from six import raise_from
-from tempfile import mkdtemp
 
-from os_ops import OsOperations
 from .enums import XLogMethod
 
 from .consts import \

testgres/cache.py

@@ -1,12 +1,10 @@
 # coding: utf-8
 
-import io
 import os
 
-from shutil import copytree
 from six import raise_from
 
-from os_ops import OsOperations
+from .os_ops import OsOperations
 from .config import testgres_config
 
 from .consts import XLOG_CONTROL_FILE

testgres/connection.py

@@ -1,5 +1,4 @@
 # coding: utf-8
-from os_ops import OsOperations
 
 # we support both pg8000 and psycopg2
 try:

testgres/node.py

@@ -12,7 +12,6 @@
 import subprocess
 import time
 
-from os_ops import OsOperations
 
 try:
     from collections.abc import Iterable
@@ -102,6 +101,7 @@
     clean_on_error
 
 from .backup import NodeBackup
+from .os_ops import OsOperations
 
 InternalError = pglib.InternalError
 ProgrammingError = pglib.ProgrammingError
@@ -1606,8 +1606,10 @@ def make_simple(
             set_replication=False,
             ptrack_enable=False,
             initdb_params=[],
-            pg_options={}):
-
+            pg_options={},
+            checksum=True):
+        if checksum and '--data-checksums' not in initdb_params:
+            initdb_params.append('--data-checksums')
         node = self.make_empty(base_dir)
         node.init(
             initdb_params=initdb_params, allow_streaming=set_replication)

testgres/os_ops.py

@@ -1,4 +1,3 @@
-import base64
 import getpass
 import os
 import shutil
@@ -15,7 +14,7 @@
     except ImportError:
         raise ImportError("You must have psycopg2 or pg8000 modules installed")
 
-from defaults import default_username
+from testgres.defaults import default_username
 from testgres.logger import log
 
 import paramiko