1
0
mirror of https://github.com/postgrespro/pg_probackup.git synced 2024-12-11 11:41:33 +02:00
pg_probackup/tests/backup_test.py
2017-07-12 17:28:28 +03:00

229 lines
10 KiB
Python

import unittest
import os
from time import sleep
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
module_name = 'backup'
class BackupTest(ProbackupTest, unittest.TestCase):
# @unittest.skip("skip")
# @unittest.expectedFailure
# PGPRO-707
def test_backup_modes_archive(self):
"""standart backup modes with ARCHIVE WAL method"""
fname = self.id().split('.')[3]
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'ptrack_enable': 'on'}
)
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
# full backup mode
#with open(path.join(node.logs_dir, "backup_full.log"), "wb") as backup_log:
# backup_log.write(self.backup_node(node, options=["--verbose"]))
backup_id = self.backup_node(backup_dir, 'node', node)
show_backup = self.show_pb(backup_dir, 'node')[0]
self.assertEqual(show_backup['Status'], "OK")
self.assertEqual(show_backup['Mode'], "FULL")
# postmaster.pid and postmaster.opts shouldn't be copied
excluded = True
db_dir = os.path.join(backup_dir, "backups", 'node', backup_id, "database")
for f in os.listdir(db_dir):
if os.path.isfile(os.path.join(db_dir, f)) \
and (f == "postmaster.pid" or f == "postmaster.opts"):
excluded = False
self.assertEqual(excluded, True)
# page backup mode
page_backup_id = self.backup_node(backup_dir, 'node', node, backup_type="page")
# print self.show_pb(node)
show_backup = self.show_pb(backup_dir, 'node')[1]
self.assertEqual(show_backup['Status'], "OK")
self.assertEqual(show_backup['Mode'], "PAGE")
# Check parent backup
self.assertEqual(
backup_id,
self.show_pb(backup_dir, 'node', backup_id=show_backup['ID'])["parent-backup-id"])
# ptrack backup mode
self.backup_node(backup_dir, 'node', node, backup_type="ptrack")
show_backup = self.show_pb(backup_dir, 'node')[2]
self.assertEqual(show_backup['Status'], "OK")
self.assertEqual(show_backup['Mode'], "PTRACK")
# Check parent backup
self.assertEqual(
page_backup_id,
self.show_pb(backup_dir, 'node', backup_id=show_backup['ID'])["parent-backup-id"])
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_smooth_checkpoint(self):
"""full backup with smooth checkpoint"""
fname = self.id().split('.')[3]
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica'}
)
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
self.backup_node(backup_dir, 'node' ,node, options=["-C"])
self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "OK")
node.stop()
# Clean after yourself
self.del_test_dir(module_name, fname)
#@unittest.skip("skip")
def test_incremental_backup_without_full(self):
"""page-level backup without validated full backup"""
fname = self.id().split('.')[3]
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'ptrack_enable': 'on'}
)
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
try:
self.backup_node(backup_dir, 'node', node, backup_type="page")
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because page backup should not be possible without valid full backup.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertEqual(e.message,
'ERROR: Valid backup on current timeline is not found. Create new FULL backup before an incremental one.\n',
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
sleep(1)
try:
self.backup_node(backup_dir, 'node', node, backup_type="ptrack")
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because page backup should not be possible without valid full backup.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertEqual(e.message,
'ERROR: Valid backup on current timeline is not found. Create new FULL backup before an incremental one.\n',
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "ERROR")
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
def test_incremental_backup_corrupt_full(self):
"""page-level backup with corrupted full backup"""
fname = self.id().split('.')[3]
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'ptrack_enable': 'on'}
)
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
backup_id = self.backup_node(backup_dir, 'node', node)
file = os.path.join(backup_dir, "backups", "node", backup_id, "database", "postgresql.conf")
os.remove(file)
try:
self.validate_pb(backup_dir, 'node')
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because of validation of corrupted backup.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue("INFO: Validate backups of the instance 'node'\n" in e.message
and 'WARNING: Backup file "{0}" is not found\n'.format(file) in e.message
and "WARNING: Backup {0} is corrupted\n".format(backup_id) in e.message
and "INFO: Some backups are not valid\n" in e.message,
"\n Unexpected Error Message: {0}\n CMD: {1}".format(repr(e.message), self.cmd))
try:
self.backup_node(backup_dir, 'node', node, backup_type="page")
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because page backup should not be possible without valid full backup.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertEqual(e.message,
"ERROR: Valid backup on current timeline is not found. Create new FULL backup before an incremental one.\n",
"\n Unexpected Error Message: {0}\n CMD: {1}".format(repr(e.message), self.cmd))
# sleep(1)
self.assertEqual(self.show_pb(backup_dir, 'node', backup_id)['status'], "CORRUPT")
self.assertEqual(self.show_pb(backup_dir, 'node')[1]['Status'], "ERROR")
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_ptrack_threads(self):
"""ptrack multi thread backup mode"""
fname = self.id().split('.')[3]
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'ptrack_enable': 'on'}
)
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
self.backup_node(backup_dir, 'node', node, backup_type="full", options=["-j", "4"])
self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "OK")
self.backup_node(backup_dir, 'node', node, backup_type="ptrack", options=["-j", "4"])
self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "OK")
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_ptrack_threads_stream(self):
"""ptrack multi thread backup mode and stream"""
fname = self.id().split('.')[3]
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'ptrack_enable': 'on', 'max_wal_senders': '2'}
)
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.start()
self.backup_node(backup_dir, 'node', node, backup_type="full", options=["-j", "4", "--stream"])
self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "OK")
self.backup_node(backup_dir, 'node', node, backup_type="ptrack", options=["-j", "4", "--stream"])
self.assertEqual(self.show_pb(backup_dir, 'node')[1]['Status'], "OK")
# Clean after yourself
self.del_test_dir(module_name, fname)