db/pg_probackup
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36e6d0f95d
pg_probackup/tests/retention.py
Yura Sokolov d3bbb74d01 tests: disable autovacuum by default 
With autovacuum enabled tests are unstable. Especially they are unstable
if postgresql is running under valgrind and therefore is severely
inhibited (and vacuum has time to be triggered).
2021-05-25 17:09:42 +03:00

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import os
import unittest
from datetime import datetime, timedelta
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
from time import sleep
from distutils.dir_util import copy_tree
module_name = 'retention'
class RetentionTest(ProbackupTest, unittest.TestCase):
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_retention_redundancy_1(self):
"""purge backups using redundancy-based retention policy"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
self.set_config(
backup_dir, 'node', options=['--retention-redundancy=1'])
# Make backups to be purged
self.backup_node(backup_dir, 'node', node)
self.backup_node(backup_dir, 'node', node, backup_type="page")
# Make backups to be keeped
self.backup_node(backup_dir, 'node', node)
self.backup_node(backup_dir, 'node', node, backup_type="page")
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 4)
output_before = self.show_archive(backup_dir, 'node', tli=1)
# Purge backups
self.delete_expired(
backup_dir, 'node', options=['--expired', '--wal'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 2)
output_after = self.show_archive(backup_dir, 'node', tli=1)
self.assertEqual(
output_before['max-segno'],
output_after['max-segno'])
self.assertNotEqual(
output_before['min-segno'],
output_after['min-segno'])
# Check that WAL segments were deleted
min_wal = output_after['min-segno']
max_wal = output_after['max-segno']
for wal_name in os.listdir(os.path.join(backup_dir, 'wal', 'node')):
if not wal_name.endswith(".backup"):
if self.archive_compress:
wal_name = wal_name[-27:]
wal_name = wal_name[:-3]
else:
wal_name = wal_name[-24:]
self.assertTrue(wal_name >= min_wal)
self.assertTrue(wal_name <= max_wal)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_retention_window_2(self):
"""purge backups using window-based retention policy"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
with open(
os.path.join(
backup_dir,
'backups',
'node',
"pg_probackup.conf"), "a") as conf:
conf.write("retention-redundancy = 1\n")
conf.write("retention-window = 1\n")
# Make backups to be purged
self.backup_node(backup_dir, 'node', node)
self.backup_node(backup_dir, 'node', node, backup_type="page")
# Make backup to be keeped
self.backup_node(backup_dir, 'node', node)
backups = os.path.join(backup_dir, 'backups', 'node')
days_delta = 5
for backup in os.listdir(backups):
if backup == 'pg_probackup.conf':
continue
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=days_delta)))
days_delta -= 1
# Make backup to be keeped
self.backup_node(backup_dir, 'node', node, backup_type="page")
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 4)
# Purge backups
self.delete_expired(backup_dir, 'node', options=['--expired'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 2)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_retention_window_3(self):
"""purge all backups using window-based retention policy"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# take FULL BACKUP
self.backup_node(backup_dir, 'node', node)
# Take second FULL BACKUP
self.backup_node(backup_dir, 'node', node)
# Take third FULL BACKUP
self.backup_node(backup_dir, 'node', node)
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup == 'pg_probackup.conf':
continue
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
# Purge backups
self.delete_expired(
backup_dir, 'node', options=['--retention-window=1', '--expired'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 0)
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
# count wal files in ARCHIVE
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_retention_window_4(self):
"""purge all backups using window-based retention policy"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# take FULL BACKUPs
self.backup_node(backup_dir, 'node', node)
backup_id_2 = self.backup_node(backup_dir, 'node', node)
backup_id_3 = self.backup_node(backup_dir, 'node', node)
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup == 'pg_probackup.conf':
continue
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
self.delete_pb(backup_dir, 'node', backup_id_2)
self.delete_pb(backup_dir, 'node', backup_id_3)
# Purge backups
self.delete_expired(
backup_dir, 'node',
options=['--retention-window=1', '--expired', '--wal'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 0)
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
# count wal files in ARCHIVE
wals_dir = os.path.join(backup_dir, 'wal', 'node')
# n_wals = len(os.listdir(wals_dir))
# self.assertTrue(n_wals > 0)
# self.delete_expired(
# backup_dir, 'node',
# options=['--retention-window=1', '--expired', '--wal'])
# count again
n_wals = len(os.listdir(wals_dir))
self.assertTrue(n_wals == 0)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_window_expire_interleaved_incremental_chains(self):
"""complicated case of interleaved backup chains"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# take FULL BACKUPs
backup_id_a = self.backup_node(backup_dir, 'node', node)
backup_id_b = self.backup_node(backup_dir, 'node', node)
# Change FULLb backup status to ERROR
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# FULLb ERROR
# FULLa OK
# Take PAGEa1 backup
page_id_a1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change FULLb backup status to OK
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa1 and FULLa to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
# PAGEa1 ERROR
# FULLb OK
# FULLa ERROR
page_id_b1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb1 OK
# PAGEa1 ERROR
# FULLb OK
# FULLa ERROR
# Now we start to play with first generation of PAGE backups
# Change PAGEb1 and FULLb to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# Change PAGEa1 and FULLa to OK
self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEa2 OK
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEa2 and FULLa to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
# Change PAGEb1 and FULLb to OK
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
page_id_b2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Change PAGEa2 and FULla to OK
self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
# PAGEb2 OK
# PAGEa2 OK
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
# Purge backups
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup not in [page_id_a2, page_id_b2, 'pg_probackup.conf']:
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
self.delete_expired(
backup_dir, 'node',
options=['--retention-window=1', '--expired'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 6)
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_redundancy_expire_interleaved_incremental_chains(self):
"""complicated case of interleaved backup chains"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# take FULL BACKUPs
backup_id_a = self.backup_node(backup_dir, 'node', node)
backup_id_b = self.backup_node(backup_dir, 'node', node)
# Change FULL B backup status to ERROR
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# FULLb ERROR
# FULLa OK
# Take PAGEa1 backup
page_id_a1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change FULLb backup status to OK
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa1 and FULLa backup status to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
# PAGEa1 ERROR
# FULLb OK
# FULLa ERROR
page_id_b1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb1 OK
# PAGEa1 ERROR
# FULLb OK
# FULLa ERROR
# Now we start to play with first generation of PAGE backups
# Change PAGEb1 status to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# Change PAGEa1 status to OK
self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEa2 OK
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEa2 and FULLa status to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
# Change PAGEb1 and FULLb status to OK
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
self.backup_node(backup_dir, 'node', node, backup_type='page')
# Change PAGEa2 and FULLa status to OK
self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
# PAGEb2 OK
# PAGEa2 OK
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
self.delete_expired(
backup_dir, 'node',
options=['--retention-redundancy=1', '--expired'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 3)
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_window_merge_interleaved_incremental_chains(self):
"""complicated case of interleaved backup chains"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# Take FULL BACKUPs
backup_id_a = self.backup_node(backup_dir, 'node', node)
backup_id_b = self.backup_node(backup_dir, 'node', node)
# Change FULLb backup status to ERROR
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# FULLb ERROR
# FULLa OK
# Take PAGEa1 backup
page_id_a1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change FULLb to OK
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa1 backup status to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR')
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
page_id_b1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb1 OK
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
# Now we start to play with first generation of PAGE backups
# Change PAGEb1 and FULLb to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# Change PAGEa1 to OK
self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEa2 OK
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEa2 and FULLa to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
# Change PAGEb1 and FULLb to OK
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
page_id_b2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Change PAGEa2 and FULLa to OK
self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
# PAGEb2 OK
# PAGEa2 OK
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
# Purge backups
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup not in [page_id_a2, page_id_b2, 'pg_probackup.conf']:
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
output = self.delete_expired(
backup_dir, 'node',
options=['--retention-window=1', '--expired', '--merge-expired'])
self.assertIn(
"Merge incremental chain between full backup {0} and backup {1}".format(
backup_id_a, page_id_a2),
output)
self.assertIn(
"Rename merged full backup {0} to {1}".format(
backup_id_a, page_id_a2), output)
self.assertIn(
"Merge incremental chain between full backup {0} and backup {1}".format(
backup_id_b, page_id_b2),
output)
self.assertIn(
"Rename merged full backup {0} to {1}".format(
backup_id_b, page_id_b2), output)
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 2)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_window_merge_interleaved_incremental_chains_1(self):
"""
PAGEb3
PAGEb2
PAGEb1
PAGEa1
FULLb
FULLa
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
node.pgbench_init(scale=5)
# Take FULL BACKUPs
self.backup_node(backup_dir, 'node', node)
pgbench = node.pgbench(options=['-t', '20', '-c', '1'])
pgbench.wait()
backup_id_b = self.backup_node(backup_dir, 'node', node)
pgbench = node.pgbench(options=['-t', '20', '-c', '1'])
pgbench.wait()
# Change FULL B backup status to ERROR
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
page_id_a1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
pgdata_a1 = self.pgdata_content(node.data_dir)
pgbench = node.pgbench(options=['-t', '20', '-c', '1'])
pgbench.wait()
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change FULL B backup status to OK
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa1 backup status to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR')
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
self.backup_node(
backup_dir, 'node', node, backup_type='page')
pgbench = node.pgbench(options=['-t', '20', '-c', '1'])
pgbench.wait()
self.backup_node(
backup_dir, 'node', node, backup_type='page')
pgbench = node.pgbench(options=['-t', '20', '-c', '1'])
pgbench.wait()
page_id_b3 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
pgdata_b3 = self.pgdata_content(node.data_dir)
pgbench = node.pgbench(options=['-t', '20', '-c', '1'])
pgbench.wait()
# PAGEb3 OK
# PAGEb2 OK
# PAGEb1 OK
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
# Change PAGEa1 backup status to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
# PAGEb3 OK
# PAGEb2 OK
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
# Purge backups
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup in [page_id_a1, page_id_b3, 'pg_probackup.conf']:
continue
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
self.delete_expired(
backup_dir, 'node',
options=['--retention-window=1', '--expired', '--merge-expired'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 2)
self.assertEqual(
self.show_pb(backup_dir, 'node')[1]['id'],
page_id_b3)
self.assertEqual(
self.show_pb(backup_dir, 'node')[0]['id'],
page_id_a1)
self.assertEqual(
self.show_pb(backup_dir, 'node')[1]['backup-mode'],
'FULL')
self.assertEqual(
self.show_pb(backup_dir, 'node')[0]['backup-mode'],
'FULL')
node.cleanup()
# Data correctness of PAGEa3
self.restore_node(backup_dir, 'node', node, backup_id=page_id_a1)
pgdata_restored_a1 = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata_a1, pgdata_restored_a1)
node.cleanup()
# Data correctness of PAGEb3
self.restore_node(backup_dir, 'node', node, backup_id=page_id_b3)
pgdata_restored_b3 = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata_b3, pgdata_restored_b3)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_basic_window_merge_multiple_descendants(self):
"""
PAGEb3
| PAGEa3
-----------------------------retention window
PAGEb2 /
| PAGEa2 / should be deleted
PAGEb1 \ /
| PAGEa1
FULLb |
FULLa
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
node.pgbench_init(scale=3)
# Take FULL BACKUPs
backup_id_a = self.backup_node(backup_dir, 'node', node)
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
backup_id_b = self.backup_node(backup_dir, 'node', node)
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# Change FULLb backup status to ERROR
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
page_id_a1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# Change FULLb to OK
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa1 to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR')
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
page_id_b1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb1 OK
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# Change PAGEa1 to OK
self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
# Change PAGEb1 and FULLb to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# PAGEa2 OK
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEb1 and FULLb to OK
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa2 and FULLa to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
page_id_b2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# PAGEb2 OK
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
# Change PAGEb2 and PAGEb1 to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b2, 'ERROR')
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
# and FULL stuff
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# PAGEb2 ERROR
# PAGEa2 ERROR
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a3 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# PAGEa3 OK
# PAGEb2 ERROR
# PAGEa2 ERROR
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEa3 to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a3, 'ERROR')
# Change PAGEb2, PAGEb1 and FULLb to OK
self.change_backup_status(backup_dir, 'node', page_id_b2, 'OK')
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
page_id_b3 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb3 OK
# PAGEa3 ERROR
# PAGEb2 OK
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
# Change PAGEa3, PAGEa2 and PAGEb1 status to OK
self.change_backup_status(backup_dir, 'node', page_id_a3, 'OK')
self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK')
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
# PAGEb3 OK
# PAGEa3 OK
# PAGEb2 OK
# PAGEa2 OK
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
# Check that page_id_a3 and page_id_a2 are both direct descendants of page_id_a1
self.assertEqual(
self.show_pb(
backup_dir, 'node', backup_id=page_id_a3)['parent-backup-id'],
page_id_a1)
self.assertEqual(
self.show_pb(
backup_dir, 'node', backup_id=page_id_a2)['parent-backup-id'],
page_id_a1)
# Purge backups
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup in [page_id_a3, page_id_b3, 'pg_probackup.conf']:
continue
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
output = self.delete_expired(
backup_dir, 'node',
options=[
'--retention-window=1', '--delete-expired',
'--merge-expired', '--log-level-console=log'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 2)
# Merging chain A
self.assertIn(
"Merge incremental chain between full backup {0} and backup {1}".format(
backup_id_a, page_id_a3),
output)
self.assertIn(
"INFO: Rename merged full backup {0} to {1}".format(
backup_id_a, page_id_a3), output)
# self.assertIn(
# "WARNING: Backup {0} has multiple valid descendants. "
# "Automatic merge is not possible.".format(
# page_id_a1), output)
self.assertIn(
"LOG: Consider backup {0} for purge".format(
page_id_a2), output)
# Merge chain B
self.assertIn(
"Merge incremental chain between full backup {0} and backup {1}".format(
backup_id_b, page_id_b3),
output)
self.assertIn(
"INFO: Rename merged full backup {0} to {1}".format(
backup_id_b, page_id_b3), output)
self.assertIn(
"Delete: {0}".format(page_id_a2), output)
self.assertEqual(
self.show_pb(backup_dir, 'node')[1]['id'],
page_id_b3)
self.assertEqual(
self.show_pb(backup_dir, 'node')[0]['id'],
page_id_a3)
self.assertEqual(
self.show_pb(backup_dir, 'node')[1]['backup-mode'],
'FULL')
self.assertEqual(
self.show_pb(backup_dir, 'node')[0]['backup-mode'],
'FULL')
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_basic_window_merge_multiple_descendants_1(self):
"""
PAGEb3
| PAGEa3
-----------------------------retention window
PAGEb2 /
| PAGEa2 /
PAGEb1 \ /
| PAGEa1
FULLb |
FULLa
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
node.pgbench_init(scale=3)
# Take FULL BACKUPs
backup_id_a = self.backup_node(backup_dir, 'node', node)
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
backup_id_b = self.backup_node(backup_dir, 'node', node)
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# Change FULLb backup status to ERROR
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
page_id_a1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# Change FULLb to OK
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa1 to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR')
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
page_id_b1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb1 OK
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# Change PAGEa1 to OK
self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
# Change PAGEb1 and FULLb to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# PAGEa2 OK
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEb1 and FULLb to OK
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa2 and FULLa to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
page_id_b2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# PAGEb2 OK
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
# Change PAGEb2 and PAGEb1 to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b2, 'ERROR')
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
# and FULL stuff
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# PAGEb2 ERROR
# PAGEa2 ERROR
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a3 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
# pgbench.wait()
# PAGEa3 OK
# PAGEb2 ERROR
# PAGEa2 ERROR
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEa3 to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a3, 'ERROR')
# Change PAGEb2, PAGEb1 and FULLb to OK
self.change_backup_status(backup_dir, 'node', page_id_b2, 'OK')
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
page_id_b3 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb3 OK
# PAGEa3 ERROR
# PAGEb2 OK
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
# Change PAGEa3, PAGEa2 and PAGEb1 status to OK
self.change_backup_status(backup_dir, 'node', page_id_a3, 'OK')
self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK')
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
# PAGEb3 OK
# PAGEa3 OK
# PAGEb2 OK
# PAGEa2 OK
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
# Check that page_id_a3 and page_id_a2 are both direct descendants of page_id_a1
self.assertEqual(
self.show_pb(
backup_dir, 'node', backup_id=page_id_a3)['parent-backup-id'],
page_id_a1)
self.assertEqual(
self.show_pb(
backup_dir, 'node', backup_id=page_id_a2)['parent-backup-id'],
page_id_a1)
# Purge backups
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup in [page_id_a3, page_id_b3, 'pg_probackup.conf']:
continue
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
output = self.delete_expired(
backup_dir, 'node',
options=[
'--retention-window=1',
'--merge-expired', '--log-level-console=log'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 3)
# Merging chain A
self.assertIn(
"Merge incremental chain between full backup {0} and backup {1}".format(
backup_id_a, page_id_a3),
output)
self.assertIn(
"INFO: Rename merged full backup {0} to {1}".format(
backup_id_a, page_id_a3), output)
# self.assertIn(
# "WARNING: Backup {0} has multiple valid descendants. "
# "Automatic merge is not possible.".format(
# page_id_a1), output)
# Merge chain B
self.assertIn(
"Merge incremental chain between full backup {0} and backup {1}".format(
backup_id_b, page_id_b3), output)
self.assertIn(
"INFO: Rename merged full backup {0} to {1}".format(
backup_id_b, page_id_b3), output)
self.assertEqual(
self.show_pb(backup_dir, 'node')[2]['id'],
page_id_b3)
self.assertEqual(
self.show_pb(backup_dir, 'node')[1]['id'],
page_id_a3)
self.assertEqual(
self.show_pb(backup_dir, 'node')[0]['id'],
page_id_a2)
self.assertEqual(
self.show_pb(backup_dir, 'node')[2]['backup-mode'],
'FULL')
self.assertEqual(
self.show_pb(backup_dir, 'node')[1]['backup-mode'],
'FULL')
self.assertEqual(
self.show_pb(backup_dir, 'node')[0]['backup-mode'],
'PAGE')
output = self.delete_expired(
backup_dir, 'node',
options=[
'--retention-window=1',
'--delete-expired', '--log-level-console=log'])
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_window_chains(self):
"""
PAGE
-------window
PAGE
PAGE
FULL
PAGE
PAGE
FULL
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
node.pgbench_init(scale=3)
# Chain A
self.backup_node(backup_dir, 'node', node)
self.backup_node(
backup_dir, 'node', node, backup_type='page')
self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Chain B
self.backup_node(backup_dir, 'node', node)
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
self.backup_node(
backup_dir, 'node', node, backup_type='delta')
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
self.backup_node(
backup_dir, 'node', node, backup_type='page')
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
page_id_b3 = self.backup_node(
backup_dir, 'node', node, backup_type='delta')
pgdata = self.pgdata_content(node.data_dir)
# Purge backups
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup in [page_id_b3, 'pg_probackup.conf']:
continue
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
self.delete_expired(
backup_dir, 'node',
options=[
'--retention-window=1', '--expired',
'--merge-expired', '--log-level-console=log'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 1)
node.cleanup()
self.restore_node(backup_dir, 'node', node)
pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_window_chains_1(self):
"""
PAGE
-------window
PAGE
PAGE
FULL
PAGE
PAGE
FULL
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
node.pgbench_init(scale=3)
# Chain A
self.backup_node(backup_dir, 'node', node)
self.backup_node(
backup_dir, 'node', node, backup_type='page')
self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Chain B
self.backup_node(backup_dir, 'node', node)
self.backup_node(
backup_dir, 'node', node, backup_type='delta')
self.backup_node(
backup_dir, 'node', node, backup_type='page')
page_id_b3 = self.backup_node(
backup_dir, 'node', node, backup_type='delta')
self.pgdata_content(node.data_dir)
# Purge backups
backups = os.path.join(backup_dir, 'backups', 'node')
for backup in os.listdir(backups):
if backup in [page_id_b3, 'pg_probackup.conf']:
continue
with open(
os.path.join(
backups, backup, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
output = self.delete_expired(
backup_dir, 'node',
options=[
'--retention-window=1',
'--merge-expired', '--log-level-console=log'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 4)
self.assertIn(
"There are no backups to delete by retention policy",
output)
self.assertIn(
"Retention merging finished",
output)
output = self.delete_expired(
backup_dir, 'node',
options=[
'--retention-window=1',
'--expired', '--log-level-console=log'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 1)
self.assertIn(
"There are no backups to merge by retention policy",
output)
self.assertIn(
"Purging finished",
output)
# Clean after yourself
self.del_test_dir(module_name, fname)
@unittest.skip("skip")
def test_window_error_backups(self):
"""
PAGE ERROR
-------window
PAGE ERROR
PAGE ERROR
PAGE ERROR
FULL ERROR
FULL
-------redundancy
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# Take FULL BACKUPs
self.backup_node(backup_dir, 'node', node)
self.backup_node(
backup_dir, 'node', node, backup_type='page')
self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Change FULLb backup status to ERROR
# self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_window_error_backups_1(self):
"""
DELTA
PAGE ERROR
FULL
-------window
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# Take FULL BACKUP
self.backup_node(backup_dir, 'node', node)
# Take PAGE BACKUP
gdb = self.backup_node(
backup_dir, 'node', node, backup_type='page', gdb=True)
gdb.set_breakpoint('pg_stop_backup')
gdb.run_until_break()
gdb.remove_all_breakpoints()
gdb._execute('signal SIGINT')
gdb.continue_execution_until_error()
self.show_pb(backup_dir, 'node')[1]['id']
# Take DELTA backup
self.backup_node(
backup_dir, 'node', node, backup_type='delta',
options=['--retention-window=2', '--delete-expired'])
# Take FULL BACKUP
self.backup_node(backup_dir, 'node', node)
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 4)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_window_error_backups_2(self):
"""
DELTA
PAGE ERROR
FULL
-------window
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# Take FULL BACKUP
self.backup_node(backup_dir, 'node', node)
# Take PAGE BACKUP
gdb = self.backup_node(
backup_dir, 'node', node, backup_type='page', gdb=True)
gdb.set_breakpoint('pg_stop_backup')
gdb.run_until_break()
gdb._execute('signal SIGKILL')
gdb.continue_execution_until_error()
self.show_pb(backup_dir, 'node')[1]['id']
if self.get_version(node) < 90600:
node.safe_psql(
'postgres',
'SELECT pg_catalog.pg_stop_backup()')
# Take DELTA backup
self.backup_node(
backup_dir, 'node', node, backup_type='delta',
options=['--retention-window=2', '--delete-expired'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 3)
# Clean after yourself
# self.del_test_dir(module_name, fname)
def test_retention_redundancy_overlapping_chains(self):
""""""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
if self.get_version(node) < 90600:
self.del_test_dir(module_name, fname)
return unittest.skip('Skipped because ptrack support is disabled')
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.slow_start()
self.set_config(
backup_dir, 'node', options=['--retention-redundancy=1'])
# Make backups to be purged
self.backup_node(backup_dir, 'node', node)
self.backup_node(backup_dir, 'node', node, backup_type="page")
# Make backups to be keeped
gdb = self.backup_node(backup_dir, 'node', node, gdb=True)
gdb.set_breakpoint('backup_files')
gdb.run_until_break()
sleep(1)
self.backup_node(backup_dir, 'node', node, backup_type="page")
gdb.remove_all_breakpoints()
gdb.continue_execution_until_exit()
self.backup_node(backup_dir, 'node', node, backup_type="page")
# Purge backups
self.delete_expired(
backup_dir, 'node', options=['--expired', '--wal'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 2)
self.validate_pb(backup_dir, 'node')
# Clean after yourself
self.del_test_dir(module_name, fname)
def test_retention_redundancy_overlapping_chains_1(self):
""""""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
if self.get_version(node) < 90600:
self.del_test_dir(module_name, fname)
return unittest.skip('Skipped because ptrack support is disabled')
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.slow_start()
self.set_config(
backup_dir, 'node', options=['--retention-redundancy=1'])
# Make backups to be purged
self.backup_node(backup_dir, 'node', node)
self.backup_node(backup_dir, 'node', node, backup_type="page")
# Make backups to be keeped
gdb = self.backup_node(backup_dir, 'node', node, gdb=True)
gdb.set_breakpoint('backup_files')
gdb.run_until_break()
sleep(1)
self.backup_node(backup_dir, 'node', node, backup_type="page")
gdb.remove_all_breakpoints()
gdb.continue_execution_until_exit()
self.backup_node(backup_dir, 'node', node, backup_type="page")
# Purge backups
self.delete_expired(
backup_dir, 'node', options=['--expired', '--wal'])
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 2)
self.validate_pb(backup_dir, 'node')
# Clean after yourself
self.del_test_dir(module_name, fname)
def test_wal_purge_victim(self):
"""
https://github.com/postgrespro/pg_probackup/issues/103
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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.slow_start()
# Make ERROR incremental backup
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.assertTrue(
"WARNING: Valid full backup on current timeline 1 is not found" in e.message and
"ERROR: Create new full backup before an incremental one" in e.message,
"\n Unexpected Error Message: {0}\n CMD: {1}".format(
repr(e.message), self.cmd))
page_id = self.show_pb(backup_dir, 'node')[0]['id']
sleep(1)
# Make FULL backup
full_id = self.backup_node(backup_dir, 'node', node, options=['--delete-wal'])
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 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.assertIn(
"INFO: Backup {0} WAL segments are valid".format(full_id),
e.message)
self.assertIn(
"WARNING: Backup {0} has missing parent 0".format(page_id),
e.message)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_failed_merge_redundancy_retention(self):
"""
Check that retention purge works correctly with MERGING backups
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(
module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'])
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL1 backup
full_id = self.backup_node(backup_dir, 'node', node)
# DELTA BACKUP
delta_id = self.backup_node(
backup_dir, 'node', node, backup_type='delta')
# DELTA BACKUP
self.backup_node(
backup_dir, 'node', node, backup_type='delta')
# DELTA BACKUP
self.backup_node(
backup_dir, 'node', node, backup_type='delta')
# FULL2 backup
self.backup_node(backup_dir, 'node', node)
# DELTA BACKUP
self.backup_node(
backup_dir, 'node', node, backup_type='delta')
# DELTA BACKUP
self.backup_node(
backup_dir, 'node', node, backup_type='delta')
# FULL3 backup
self.backup_node(backup_dir, 'node', node)
# DELTA BACKUP
self.backup_node(
backup_dir, 'node', node, backup_type='delta')
# DELTA BACKUP
self.backup_node(
backup_dir, 'node', node, backup_type='delta')
self.set_config(
backup_dir, 'node', options=['--retention-redundancy=2'])
self.set_config(
backup_dir, 'node', options=['--retention-window=2'])
# create pair of MERGING backup as a result of failed merge
gdb = self.merge_backup(
backup_dir, 'node', delta_id, gdb=True)
gdb.set_breakpoint('backup_non_data_file')
gdb.run_until_break()
gdb.continue_execution_until_break(2)
gdb._execute('signal SIGKILL')
# "expire" first full backup
backups = os.path.join(backup_dir, 'backups', 'node')
with open(
os.path.join(
backups, full_id, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=3)))
# run retention merge
self.delete_expired(
backup_dir, 'node', options=['--delete-expired'])
self.assertEqual(
'MERGING',
self.show_pb(backup_dir, 'node', full_id)['status'],
'Backup STATUS should be "MERGING"')
self.assertEqual(
'MERGING',
self.show_pb(backup_dir, 'node', delta_id)['status'],
'Backup STATUS should be "MERGING"')
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 10)
# Clean after yourself
self.del_test_dir(module_name, fname)
def test_wal_depth_1(self):
"""
|-------------B5----------> WAL timeline3
|-----|-------------------------> WAL timeline2
B1 B2---| B3 B4-------B6-----> WAL timeline1
wal-depth=2
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'archive_timeout': '30s',
'checkpoint_timeout': '30s'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
self.set_config(backup_dir, 'node', options=['--archive-timeout=60s'])
node.slow_start()
# FULL
node.pgbench_init(scale=1)
self.backup_node(backup_dir, 'node', node)
# PAGE
node.pgbench_init(scale=1)
B2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# generate_some more data
node.pgbench_init(scale=1)
target_xid = node.safe_psql(
"postgres",
"select txid_current()").decode('utf-8').rstrip()
node.pgbench_init(scale=1)
self.backup_node(
backup_dir, 'node', node, backup_type='page')
node.pgbench_init(scale=1)
self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Timeline 2
node_restored = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_restored'))
node_restored.cleanup()
output = self.restore_node(
backup_dir, 'node', node_restored,
options=[
'--recovery-target-xid={0}'.format(target_xid),
'--recovery-target-action=promote'])
self.assertIn(
'Restore of backup {0} completed'.format(B2),
output)
self.set_auto_conf(node_restored, options={'port': node_restored.port})
node_restored.slow_start()
node_restored.pgbench_init(scale=1)
target_xid = node_restored.safe_psql(
"postgres",
"select txid_current()").decode('utf-8').rstrip()
node_restored.pgbench_init(scale=2)
# Timeline 3
node_restored.cleanup()
output = self.restore_node(
backup_dir, 'node', node_restored,
options=[
'--recovery-target-xid={0}'.format(target_xid),
'--recovery-target-timeline=2',
'--recovery-target-action=promote'])
self.assertIn(
'Restore of backup {0} completed'.format(B2),
output)
self.set_auto_conf(node_restored, options={'port': node_restored.port})
node_restored.slow_start()
node_restored.pgbench_init(scale=1)
self.backup_node(
backup_dir, 'node', node_restored, data_dir=node_restored.data_dir)
node.pgbench_init(scale=1)
self.backup_node(backup_dir, 'node', node)
lsn = self.show_archive(backup_dir, 'node', tli=2)['switchpoint']
self.validate_pb(
backup_dir, 'node', backup_id=B2,
options=['--recovery-target-lsn={0}'.format(lsn)])
self.validate_pb(backup_dir, 'node')
self.del_test_dir(module_name, fname)
def test_wal_purge(self):
"""
-------------------------------------> tli5
---------------------------B6--------> tli4
S2`---------------> tli3
S1`------------S2---B4-------B5--> tli2
B1---S1-------------B2--------B3------> tli1
B* - backups
S* - switchpoints
Expected result:
TLI5 will be purged entirely
B6--------> tli4
S2`---------------> tli3
S1`------------S2---B4-------B5--> tli2
B1---S1-------------B2--------B3------> tli1
wal-depth=2
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'])
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_config(backup_dir, 'node', options=['--archive-timeout=60s'])
node.slow_start()
# STREAM FULL
stream_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
node.stop()
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL
B1 = self.backup_node(backup_dir, 'node', node)
node.pgbench_init(scale=1)
target_xid = node.safe_psql(
"postgres",
"select txid_current()").decode('utf-8').rstrip()
node.pgbench_init(scale=5)
# B2 FULL on TLI1
self.backup_node(backup_dir, 'node', node)
node.pgbench_init(scale=4)
self.backup_node(backup_dir, 'node', node)
node.pgbench_init(scale=4)
self.delete_pb(backup_dir, 'node', options=['--delete-wal'])
# TLI 2
node_tli2 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_tli2'))
node_tli2.cleanup()
output = self.restore_node(
backup_dir, 'node', node_tli2,
options=[
'--recovery-target-xid={0}'.format(target_xid),
'--recovery-target-timeline=1',
'--recovery-target-action=promote'])
self.assertIn(
'INFO: Restore of backup {0} completed'.format(B1),
output)
self.set_auto_conf(node_tli2, options={'port': node_tli2.port})
node_tli2.slow_start()
node_tli2.pgbench_init(scale=4)
target_xid = node_tli2.safe_psql(
"postgres",
"select txid_current()").decode('utf-8').rstrip()
node_tli2.pgbench_init(scale=1)
self.backup_node(
backup_dir, 'node', node_tli2, data_dir=node_tli2.data_dir)
node_tli2.pgbench_init(scale=3)
self.backup_node(
backup_dir, 'node', node_tli2, data_dir=node_tli2.data_dir)
node_tli2.pgbench_init(scale=1)
node_tli2.cleanup()
# TLI3
node_tli3 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_tli3'))
node_tli3.cleanup()
# Note, that successful validation here is a happy coincidence
output = self.restore_node(
backup_dir, 'node', node_tli3,
options=[
'--recovery-target-xid={0}'.format(target_xid),
'--recovery-target-timeline=2',
'--recovery-target-action=promote'])
self.assertIn(
'INFO: Restore of backup {0} completed'.format(B1),
output)
self.set_auto_conf(node_tli3, options={'port': node_tli3.port})
node_tli3.slow_start()
node_tli3.pgbench_init(scale=5)
node_tli3.cleanup()
# TLI4
node_tli4 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_tli4'))
node_tli4.cleanup()
self.restore_node(
backup_dir, 'node', node_tli4, backup_id=stream_id,
options=[
'--recovery-target=immediate',
'--recovery-target-action=promote'])
self.set_auto_conf(node_tli4, options={'port': node_tli4.port})
self.set_archiving(backup_dir, 'node', node_tli4)
node_tli4.slow_start()
node_tli4.pgbench_init(scale=5)
self.backup_node(
backup_dir, 'node', node_tli4, data_dir=node_tli4.data_dir)
node_tli4.pgbench_init(scale=5)
node_tli4.cleanup()
# TLI5
node_tli5 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_tli5'))
node_tli5.cleanup()
self.restore_node(
backup_dir, 'node', node_tli5, backup_id=stream_id,
options=[
'--recovery-target=immediate',
'--recovery-target-action=promote'])
self.set_auto_conf(node_tli5, options={'port': node_tli5.port})
self.set_archiving(backup_dir, 'node', node_tli5)
node_tli5.slow_start()
node_tli5.pgbench_init(scale=10)
# delete '.history' file of TLI4
os.remove(os.path.join(backup_dir, 'wal', 'node', '00000004.history'))
# delete '.history' file of TLI5
os.remove(os.path.join(backup_dir, 'wal', 'node', '00000005.history'))
output = self.delete_pb(
backup_dir, 'node',
options=[
'--delete-wal', '--dry-run',
'--log-level-console=verbose'])
self.assertIn(
'INFO: On timeline 4 WAL segments between 000000040000000000000002 '
'and 000000040000000000000006 can be removed',
output)
self.assertIn(
'INFO: On timeline 5 all files can be removed',
output)
show_tli1_before = self.show_archive(backup_dir, 'node', tli=1)
show_tli2_before = self.show_archive(backup_dir, 'node', tli=2)
show_tli3_before = self.show_archive(backup_dir, 'node', tli=3)
show_tli4_before = self.show_archive(backup_dir, 'node', tli=4)
show_tli5_before = self.show_archive(backup_dir, 'node', tli=5)
self.assertTrue(show_tli1_before)
self.assertTrue(show_tli2_before)
self.assertTrue(show_tli3_before)
self.assertTrue(show_tli4_before)
self.assertTrue(show_tli5_before)
output = self.delete_pb(
backup_dir, 'node',
options=['--delete-wal', '--log-level-console=verbose'])
self.assertIn(
'INFO: On timeline 4 WAL segments between 000000040000000000000002 '
'and 000000040000000000000006 will be removed',
output)
self.assertIn(
'INFO: On timeline 5 all files will be removed',
output)
show_tli1_after = self.show_archive(backup_dir, 'node', tli=1)
show_tli2_after = self.show_archive(backup_dir, 'node', tli=2)
show_tli3_after = self.show_archive(backup_dir, 'node', tli=3)
show_tli4_after = self.show_archive(backup_dir, 'node', tli=4)
show_tli5_after = self.show_archive(backup_dir, 'node', tli=5)
self.assertEqual(show_tli1_before, show_tli1_after)
self.assertEqual(show_tli2_before, show_tli2_after)
self.assertEqual(show_tli3_before, show_tli3_after)
self.assertNotEqual(show_tli4_before, show_tli4_after)
self.assertNotEqual(show_tli5_before, show_tli5_after)
self.assertEqual(
show_tli4_before['min-segno'],
'000000040000000000000002')
self.assertEqual(
show_tli4_after['min-segno'],
'000000040000000000000006')
self.assertFalse(show_tli5_after)
self.validate_pb(backup_dir, 'node')
self.del_test_dir(module_name, fname)
def test_wal_depth_2(self):
"""
-------------------------------------> tli5
---------------------------B6--------> tli4
S2`---------------> tli3
S1`------------S2---B4-------B5--> tli2
B1---S1-------------B2--------B3------> tli1
B* - backups
S* - switchpoints
wal-depth=2
Expected result:
TLI5 will be purged entirely
B6--------> tli4
S2`---------------> tli3
S1`------------S2 B4-------B5--> tli2
B1---S1 B2--------B3------> tli1
wal-depth=2
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'])
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_config(backup_dir, 'node', options=['--archive-timeout=60s'])
node.slow_start()
# STREAM FULL
stream_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
node.stop()
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL
B1 = self.backup_node(backup_dir, 'node', node)
node.pgbench_init(scale=1)
target_xid = node.safe_psql(
"postgres",
"select txid_current()").decode('utf-8').rstrip()
node.pgbench_init(scale=5)
# B2 FULL on TLI1
B2 = self.backup_node(backup_dir, 'node', node)
node.pgbench_init(scale=4)
self.backup_node(backup_dir, 'node', node)
node.pgbench_init(scale=4)
# TLI 2
node_tli2 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_tli2'))
node_tli2.cleanup()
output = self.restore_node(
backup_dir, 'node', node_tli2,
options=[
'--recovery-target-xid={0}'.format(target_xid),
'--recovery-target-timeline=1',
'--recovery-target-action=promote'])
self.assertIn(
'INFO: Restore of backup {0} completed'.format(B1),
output)
self.set_auto_conf(node_tli2, options={'port': node_tli2.port})
node_tli2.slow_start()
node_tli2.pgbench_init(scale=4)
target_xid = node_tli2.safe_psql(
"postgres",
"select txid_current()").decode('utf-8').rstrip()
node_tli2.pgbench_init(scale=1)
B4 = self.backup_node(
backup_dir, 'node', node_tli2, data_dir=node_tli2.data_dir)
node_tli2.pgbench_init(scale=3)
self.backup_node(
backup_dir, 'node', node_tli2, data_dir=node_tli2.data_dir)
node_tli2.pgbench_init(scale=1)
node_tli2.cleanup()
# TLI3
node_tli3 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_tli3'))
node_tli3.cleanup()
# Note, that successful validation here is a happy coincidence
output = self.restore_node(
backup_dir, 'node', node_tli3,
options=[
'--recovery-target-xid={0}'.format(target_xid),
'--recovery-target-timeline=2',
'--recovery-target-action=promote'])
self.assertIn(
'INFO: Restore of backup {0} completed'.format(B1),
output)
self.set_auto_conf(node_tli3, options={'port': node_tli3.port})
node_tli3.slow_start()
node_tli3.pgbench_init(scale=5)
node_tli3.cleanup()
# TLI4
node_tli4 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_tli4'))
node_tli4.cleanup()
self.restore_node(
backup_dir, 'node', node_tli4, backup_id=stream_id,
options=[
'--recovery-target=immediate',
'--recovery-target-action=promote'])
self.set_auto_conf(node_tli4, options={'port': node_tli4.port})
self.set_archiving(backup_dir, 'node', node_tli4)
node_tli4.slow_start()
node_tli4.pgbench_init(scale=5)
self.backup_node(
backup_dir, 'node', node_tli4, data_dir=node_tli4.data_dir)
node_tli4.pgbench_init(scale=5)
node_tli4.cleanup()
# TLI5
node_tli5 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_tli5'))
node_tli5.cleanup()
self.restore_node(
backup_dir, 'node', node_tli5, backup_id=stream_id,
options=[
'--recovery-target=immediate',
'--recovery-target-action=promote'])
self.set_auto_conf(node_tli5, options={'port': node_tli5.port})
self.set_archiving(backup_dir, 'node', node_tli5)
node_tli5.slow_start()
node_tli5.pgbench_init(scale=10)
# delete '.history' file of TLI4
os.remove(os.path.join(backup_dir, 'wal', 'node', '00000004.history'))
# delete '.history' file of TLI5
os.remove(os.path.join(backup_dir, 'wal', 'node', '00000005.history'))
output = self.delete_pb(
backup_dir, 'node',
options=[
'--delete-wal', '--dry-run',
'--wal-depth=2', '--log-level-console=verbose'])
start_lsn_B2 = self.show_pb(backup_dir, 'node', B2)['start-lsn']
self.assertIn(
'On timeline 1 WAL is protected from purge at {0}'.format(start_lsn_B2),
output)
self.assertIn(
'LOG: Archive backup {0} to stay consistent protect from '
'purge WAL interval between 000000010000000000000004 '
'and 000000010000000000000005 on timeline 1'.format(B1), output)
start_lsn_B4 = self.show_pb(backup_dir, 'node', B4)['start-lsn']
self.assertIn(
'On timeline 2 WAL is protected from purge at {0}'.format(start_lsn_B4),
output)
self.assertIn(
'LOG: Timeline 3 to stay reachable from timeline 1 protect '
'from purge WAL interval between 000000020000000000000006 and '
'000000020000000000000009 on timeline 2', output)
self.assertIn(
'LOG: Timeline 3 to stay reachable from timeline 1 protect '
'from purge WAL interval between 000000010000000000000004 and '
'000000010000000000000006 on timeline 1', output)
show_tli1_before = self.show_archive(backup_dir, 'node', tli=1)
show_tli2_before = self.show_archive(backup_dir, 'node', tli=2)
show_tli3_before = self.show_archive(backup_dir, 'node', tli=3)
show_tli4_before = self.show_archive(backup_dir, 'node', tli=4)
show_tli5_before = self.show_archive(backup_dir, 'node', tli=5)
self.assertTrue(show_tli1_before)
self.assertTrue(show_tli2_before)
self.assertTrue(show_tli3_before)
self.assertTrue(show_tli4_before)
self.assertTrue(show_tli5_before)
sleep(5)
output = self.delete_pb(
backup_dir, 'node',
options=['--delete-wal', '--wal-depth=2', '--log-level-console=verbose'])
# print(output)
show_tli1_after = self.show_archive(backup_dir, 'node', tli=1)
show_tli2_after = self.show_archive(backup_dir, 'node', tli=2)
show_tli3_after = self.show_archive(backup_dir, 'node', tli=3)
show_tli4_after = self.show_archive(backup_dir, 'node', tli=4)
show_tli5_after = self.show_archive(backup_dir, 'node', tli=5)
self.assertNotEqual(show_tli1_before, show_tli1_after)
self.assertNotEqual(show_tli2_before, show_tli2_after)
self.assertEqual(show_tli3_before, show_tli3_after)
self.assertNotEqual(show_tli4_before, show_tli4_after)
self.assertNotEqual(show_tli5_before, show_tli5_after)
self.assertEqual(
show_tli4_before['min-segno'],
'000000040000000000000002')
self.assertEqual(
show_tli4_after['min-segno'],
'000000040000000000000006')
self.assertFalse(show_tli5_after)
self.assertTrue(show_tli1_after['lost-segments'])
self.assertTrue(show_tli2_after['lost-segments'])
self.assertFalse(show_tli3_after['lost-segments'])
self.assertFalse(show_tli4_after['lost-segments'])
self.assertFalse(show_tli5_after)
self.assertEqual(len(show_tli1_after['lost-segments']), 1)
self.assertEqual(len(show_tli2_after['lost-segments']), 1)
self.assertEqual(
show_tli1_after['lost-segments'][0]['begin-segno'],
'000000010000000000000007')
self.assertEqual(
show_tli1_after['lost-segments'][0]['end-segno'],
'00000001000000000000000A')
self.assertEqual(
show_tli2_after['lost-segments'][0]['begin-segno'],
'00000002000000000000000A')
self.assertEqual(
show_tli2_after['lost-segments'][0]['end-segno'],
'00000002000000000000000A')
self.validate_pb(backup_dir, 'node')
self.del_test_dir(module_name, fname)
def test_basic_wal_depth(self):
"""
B1---B1----B3-----B4----B5------> tli1
Expected result with wal-depth=1:
B1 B1 B3 B4 B5------> tli1
wal-depth=1
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'])
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_config(backup_dir, 'node', options=['--archive-timeout=60s'])
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL
node.pgbench_init(scale=1)
B1 = self.backup_node(backup_dir, 'node', node)
# B2
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
B2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# B3
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
B3 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# B4
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
B4 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# B5
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
B5 = self.backup_node(
backup_dir, 'node', node, backup_type='page',
options=['--wal-depth=1', '--delete-wal'])
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
target_xid = node.safe_psql(
"postgres",
"select txid_current()").decode('utf-8').rstrip()
self.switch_wal_segment(node)
pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
pgbench.wait()
tli1 = self.show_archive(backup_dir, 'node', tli=1)
# check that there are 4 lost_segments intervals
self.assertEqual(len(tli1['lost-segments']), 4)
output = self.validate_pb(
backup_dir, 'node', B5,
options=['--recovery-target-xid={0}'.format(target_xid)])
print(output)
self.assertIn(
'INFO: Backup validation completed successfully on time',
output)
self.assertIn(
'xid {0} and LSN'.format(target_xid),
output)
for backup_id in [B1, B2, B3, B4]:
try:
self.validate_pb(
backup_dir, 'node', backup_id,
options=['--recovery-target-xid={0}'.format(target_xid)])
# 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.assertIn(
"ERROR: Not enough WAL records to xid {0}".format(target_xid),
e.message)
self.validate_pb(backup_dir, 'node')
self.del_test_dir(module_name, fname)
def test_concurrent_running_full_backup(self):
"""
https://github.com/postgrespro/pg_probackup/issues/328
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'])
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL
self.backup_node(backup_dir, 'node', node)
gdb = self.backup_node(backup_dir, 'node', node, gdb=True)
gdb.set_breakpoint('backup_data_file')
gdb.run_until_break()
gdb.kill()
self.assertTrue(
self.show_pb(backup_dir, 'node')[0]['status'],
'RUNNING')
self.backup_node(
backup_dir, 'node', node, backup_type='delta',
options=['--retention-redundancy=2', '--delete-expired'])
self.assertTrue(
self.show_pb(backup_dir, 'node')[1]['status'],
'RUNNING')
self.backup_node(backup_dir, 'node', node)
gdb = self.backup_node(backup_dir, 'node', node, gdb=True)
gdb.set_breakpoint('backup_data_file')
gdb.run_until_break()
gdb.kill()
gdb = self.backup_node(backup_dir, 'node', node, gdb=True)
gdb.set_breakpoint('backup_data_file')
gdb.run_until_break()
gdb.kill()
self.backup_node(backup_dir, 'node', node)
gdb = self.backup_node(backup_dir, 'node', node, gdb=True)
gdb.set_breakpoint('backup_data_file')
gdb.run_until_break()
gdb.kill()
self.backup_node(
backup_dir, 'node', node, backup_type='delta',
options=['--retention-redundancy=2', '--delete-expired'],
return_id=False)
self.assertTrue(
self.show_pb(backup_dir, 'node')[0]['status'],
'OK')
self.assertTrue(
self.show_pb(backup_dir, 'node')[1]['status'],
'RUNNING')
self.assertTrue(
self.show_pb(backup_dir, 'node')[2]['status'],
'OK')
self.assertEqual(
len(self.show_pb(backup_dir, 'node')),
6)
self.del_test_dir(module_name, fname)
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