mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-01 09:51:43 +02:00
1808 lines
61 KiB
Python
1808 lines
61 KiB
Python
import os
|
|
import unittest
|
|
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException, idx_ptrack
|
|
from datetime import datetime, timedelta
|
|
import subprocess
|
|
import time
|
|
from distutils.dir_util import copy_tree
|
|
from testgres import ProcessType
|
|
from time import sleep
|
|
|
|
|
|
module_name = 'replica'
|
|
|
|
class ReplicaTest(ProbackupTest, unittest.TestCase):
|
|
|
|
# @unittest.skip("skip")
|
|
# @unittest.expectedFailure
|
|
def test_replica_switchover(self):
|
|
"""
|
|
check that archiving on replica works correctly
|
|
over the course of several switchovers
|
|
https://www.postgresql.org/message-id/54b059d4-2b48-13a4-6f43-95a087c92367%40postgrespro.ru
|
|
"""
|
|
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
node1 = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node1'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'])
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node1', node1)
|
|
|
|
node1.slow_start()
|
|
|
|
# take full backup and restore it
|
|
self.backup_node(backup_dir, 'node1', node1, options=['--stream'])
|
|
node2 = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node2'))
|
|
node2.cleanup()
|
|
|
|
# create replica
|
|
self.restore_node(backup_dir, 'node1', node2)
|
|
|
|
# setup replica
|
|
self.add_instance(backup_dir, 'node2', node2)
|
|
self.set_archiving(backup_dir, 'node2', node2, replica=True)
|
|
self.set_replica(node1, node2, synchronous=False)
|
|
self.set_auto_conf(node2, {'port': node2.port})
|
|
|
|
node2.slow_start(replica=True)
|
|
|
|
# generate some data
|
|
node1.pgbench_init(scale=5)
|
|
|
|
# take full backup on replica
|
|
self.backup_node(backup_dir, 'node2', node2, options=['--stream'])
|
|
|
|
# first switchover
|
|
node1.stop()
|
|
node2.promote()
|
|
|
|
self.set_replica(node2, node1, synchronous=False)
|
|
node2.reload()
|
|
node1.slow_start(replica=True)
|
|
|
|
# take incremental backup from new master
|
|
self.backup_node(
|
|
backup_dir, 'node2', node2,
|
|
backup_type='delta', options=['--stream'])
|
|
|
|
# second switchover
|
|
node2.stop()
|
|
node1.promote()
|
|
self.set_replica(node1, node2, synchronous=False)
|
|
node1.reload()
|
|
node2.slow_start(replica=True)
|
|
|
|
# generate some more data
|
|
node1.pgbench_init(scale=5)
|
|
|
|
# take incremental backup from replica
|
|
self.backup_node(
|
|
backup_dir, 'node2', node2,
|
|
backup_type='delta', options=['--stream'])
|
|
|
|
# https://github.com/postgrespro/pg_probackup/issues/251
|
|
self.validate_pb(backup_dir)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
# @unittest.expectedFailure
|
|
def test_replica_stream_ptrack_backup(self):
|
|
"""
|
|
make node, take full backup, restore it and make replica from it,
|
|
take full stream backup from replica
|
|
"""
|
|
if not self.ptrack:
|
|
return unittest.skip('Skipped because ptrack support is disabled')
|
|
|
|
if self.pg_config_version > self.version_to_num('9.6.0'):
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
ptrack_enable=True,
|
|
initdb_params=['--data-checksums'])
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
|
|
master.slow_start()
|
|
|
|
if master.major_version >= 12:
|
|
master.safe_psql(
|
|
"postgres",
|
|
"CREATE EXTENSION ptrack")
|
|
|
|
# CREATE TABLE
|
|
master.psql(
|
|
"postgres",
|
|
"create table t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(0,256) i")
|
|
before = master.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
|
|
# take full backup and restore it
|
|
self.backup_node(backup_dir, 'master', master, options=['--stream'])
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
self.set_replica(master, replica)
|
|
|
|
# Check data correctness on replica
|
|
replica.slow_start(replica=True)
|
|
after = replica.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
self.assertEqual(before, after)
|
|
|
|
# Change data on master, take FULL backup from replica,
|
|
# restore taken backup and check that restored data equal
|
|
# to original data
|
|
master.psql(
|
|
"postgres",
|
|
"insert into t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(256,512) i")
|
|
before = master.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
options=[
|
|
'--stream',
|
|
'--master-host=localhost',
|
|
'--master-db=postgres',
|
|
'--master-port={0}'.format(master.port)])
|
|
self.validate_pb(backup_dir, 'replica')
|
|
self.assertEqual(
|
|
'OK', self.show_pb(backup_dir, 'replica', backup_id)['status'])
|
|
|
|
# RESTORE FULL BACKUP TAKEN FROM PREVIOUS STEP
|
|
node = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node'))
|
|
node.cleanup()
|
|
self.restore_node(backup_dir, 'replica', data_dir=node.data_dir)
|
|
|
|
self.set_auto_conf(node, {'port': node.port})
|
|
|
|
node.slow_start()
|
|
|
|
# CHECK DATA CORRECTNESS
|
|
after = node.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
self.assertEqual(before, after)
|
|
|
|
# Change data on master, take PTRACK backup from replica,
|
|
# restore taken backup and check that restored data equal
|
|
# to original data
|
|
master.psql(
|
|
"postgres",
|
|
"insert into t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(512,768) i")
|
|
|
|
before = master.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'replica', replica, backup_type='ptrack',
|
|
options=[
|
|
'--stream',
|
|
'--master-host=localhost',
|
|
'--master-db=postgres',
|
|
'--master-port={0}'.format(master.port)])
|
|
self.validate_pb(backup_dir, 'replica')
|
|
self.assertEqual(
|
|
'OK', self.show_pb(backup_dir, 'replica', backup_id)['status'])
|
|
|
|
# RESTORE PTRACK BACKUP TAKEN FROM replica
|
|
node.cleanup()
|
|
self.restore_node(
|
|
backup_dir, 'replica', data_dir=node.data_dir, backup_id=backup_id)
|
|
|
|
self.set_auto_conf(node, {'port': node.port})
|
|
|
|
node.slow_start()
|
|
|
|
# CHECK DATA CORRECTNESS
|
|
after = node.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
self.assertEqual(before, after)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_archive_page_backup(self):
|
|
"""
|
|
make archive master, take full and page archive backups from master,
|
|
set replica, make archive backup from replica
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'archive_timeout': '10s',
|
|
'checkpoint_timeout': '30s',
|
|
'max_wal_size': '32MB'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
self.set_archiving(backup_dir, 'master', master)
|
|
master.slow_start()
|
|
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
|
|
self.backup_node(backup_dir, 'master', master)
|
|
|
|
master.psql(
|
|
"postgres",
|
|
"create table t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(0,2560) i")
|
|
|
|
before = master.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'master', master, backup_type='page')
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
|
|
# Settings for Replica
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
self.set_replica(master, replica, synchronous=True)
|
|
self.set_archiving(backup_dir, 'replica', replica, replica=True)
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
# Check data correctness on replica
|
|
after = replica.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
self.assertEqual(before, after)
|
|
|
|
# Change data on master, take FULL backup from replica,
|
|
# restore taken backup and check that restored data
|
|
# equal to original data
|
|
master.psql(
|
|
"postgres",
|
|
"insert into t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(256,25120) i")
|
|
|
|
before = master.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
options=[
|
|
'--archive-timeout=60',
|
|
'--master-host=localhost',
|
|
'--master-db=postgres',
|
|
'--master-port={0}'.format(master.port)])
|
|
|
|
self.validate_pb(backup_dir, 'replica')
|
|
self.assertEqual(
|
|
'OK', self.show_pb(backup_dir, 'replica', backup_id)['status'])
|
|
|
|
# RESTORE FULL BACKUP TAKEN FROM replica
|
|
node = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node'))
|
|
node.cleanup()
|
|
self.restore_node(backup_dir, 'replica', data_dir=node.data_dir)
|
|
|
|
self.set_auto_conf(node, {'port': node.port, 'archive_mode': 'off'})
|
|
|
|
node.slow_start()
|
|
|
|
# CHECK DATA CORRECTNESS
|
|
after = node.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
self.assertEqual(before, after)
|
|
node.cleanup()
|
|
|
|
# Change data on master, make PAGE backup from replica,
|
|
# restore taken backup and check that restored data equal
|
|
# to original data
|
|
master.pgbench_init(scale=5)
|
|
|
|
pgbench = master.pgbench(
|
|
options=['-T', '30', '-c', '2', '--no-vacuum'])
|
|
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'replica',
|
|
replica, backup_type='page',
|
|
options=[
|
|
'--archive-timeout=60',
|
|
'--master-host=localhost',
|
|
'--master-db=postgres',
|
|
'--master-port={0}'.format(master.port)])
|
|
|
|
pgbench.wait()
|
|
|
|
self.switch_wal_segment(master)
|
|
|
|
before = master.safe_psql("postgres", "SELECT * FROM pgbench_accounts")
|
|
|
|
self.validate_pb(backup_dir, 'replica')
|
|
self.assertEqual(
|
|
'OK', self.show_pb(backup_dir, 'replica', backup_id)['status'])
|
|
|
|
# RESTORE PAGE BACKUP TAKEN FROM replica
|
|
self.restore_node(
|
|
backup_dir, 'replica', data_dir=node.data_dir,
|
|
backup_id=backup_id)
|
|
|
|
self.set_auto_conf(node, {'port': node.port, 'archive_mode': 'off'})
|
|
|
|
node.slow_start()
|
|
|
|
# CHECK DATA CORRECTNESS
|
|
after = node.safe_psql("postgres", "SELECT * FROM pgbench_accounts")
|
|
self.assertEqual(
|
|
before, after, 'Restored data is not equal to original')
|
|
|
|
self.add_instance(backup_dir, 'node', node)
|
|
self.backup_node(
|
|
backup_dir, 'node', node, options=['--stream'])
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_basic_make_replica_via_restore(self):
|
|
"""
|
|
make archive master, take full and page archive backups from master,
|
|
set replica, make archive backup from replica
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'archive_timeout': '10s'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
self.set_archiving(backup_dir, 'master', master)
|
|
master.slow_start()
|
|
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
|
|
self.backup_node(backup_dir, 'master', master)
|
|
|
|
master.psql(
|
|
"postgres",
|
|
"create table t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(0,8192) i")
|
|
|
|
before = master.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'master', master, backup_type='page')
|
|
self.restore_node(
|
|
backup_dir, 'master', replica, options=['-R'])
|
|
|
|
# Settings for Replica
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
self.set_archiving(backup_dir, 'replica', replica, replica=True)
|
|
self.set_replica(master, replica, synchronous=True)
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
options=['--archive-timeout=30s', '--stream'])
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname, [master, replica])
|
|
|
|
# @unittest.skip("skip")
|
|
def test_take_backup_from_delayed_replica(self):
|
|
"""
|
|
make archive master, take full backups from master,
|
|
restore full backup as delayed replica, launch pgbench,
|
|
take FULL, PAGE and DELTA backups from replica
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={'archive_timeout': '10s'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
self.set_archiving(backup_dir, 'master', master)
|
|
master.slow_start()
|
|
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
|
|
self.backup_node(backup_dir, 'master', master)
|
|
|
|
master.psql(
|
|
"postgres",
|
|
"create table t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(0,165000) i")
|
|
|
|
master.psql(
|
|
"postgres",
|
|
"create table t_heap_1 as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(0,165000) i")
|
|
|
|
self.restore_node(
|
|
backup_dir, 'master', replica, options=['-R'])
|
|
|
|
# Settings for Replica
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
self.set_archiving(backup_dir, 'replica', replica, replica=True)
|
|
|
|
self.set_auto_conf(replica, {'port': replica.port})
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
if self.get_version(master) >= self.version_to_num('12.0'):
|
|
self.set_auto_conf(
|
|
replica, {'recovery_min_apply_delay': '300s'})
|
|
else:
|
|
replica.append_conf(
|
|
'recovery.conf',
|
|
'recovery_min_apply_delay = 300s')
|
|
|
|
replica.stop()
|
|
replica.slow_start(replica=True)
|
|
|
|
master.pgbench_init(scale=10)
|
|
|
|
pgbench = master.pgbench(
|
|
options=['-T', '60', '-c', '2', '--no-vacuum'])
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica',
|
|
replica, options=['--archive-timeout=60s'])
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
data_dir=replica.data_dir,
|
|
backup_type='page', options=['--archive-timeout=60s'])
|
|
|
|
sleep(1)
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
backup_type='delta', options=['--archive-timeout=60s'])
|
|
|
|
pgbench.wait()
|
|
|
|
pgbench = master.pgbench(
|
|
options=['-T', '30', '-c', '2', '--no-vacuum'])
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
options=['--stream'])
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
backup_type='page', options=['--stream'])
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
backup_type='delta', options=['--stream'])
|
|
|
|
pgbench.wait()
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_promote(self):
|
|
"""
|
|
start backup from replica, during backup promote replica
|
|
check that backup is failed
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'archive_timeout': '10s',
|
|
'checkpoint_timeout': '30s',
|
|
'max_wal_size': '32MB'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
self.set_archiving(backup_dir, 'master', master)
|
|
master.slow_start()
|
|
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
|
|
self.backup_node(backup_dir, 'master', master)
|
|
|
|
master.psql(
|
|
"postgres",
|
|
"create table t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(0,165000) i")
|
|
|
|
self.restore_node(
|
|
backup_dir, 'master', replica, options=['-R'])
|
|
|
|
# Settings for Replica
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
self.set_archiving(backup_dir, 'replica', replica, replica=True)
|
|
self.set_replica(
|
|
master, replica, replica_name='replica', synchronous=True)
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
master.psql(
|
|
"postgres",
|
|
"create table t_heap_1 as select i as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
"from generate_series(0,165000) i")
|
|
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
# start backup from replica
|
|
gdb = self.backup_node(
|
|
backup_dir, 'replica', replica, gdb=True,
|
|
options=['--log-level-file=verbose'])
|
|
|
|
gdb.set_breakpoint('backup_data_file')
|
|
gdb.run_until_break()
|
|
gdb.continue_execution_until_break(20)
|
|
|
|
replica.promote()
|
|
|
|
gdb.remove_all_breakpoints()
|
|
gdb.continue_execution_until_exit()
|
|
|
|
backup_id = self.show_pb(
|
|
backup_dir, 'replica')[0]["id"]
|
|
|
|
# read log file content
|
|
with open(os.path.join(backup_dir, 'log', 'pg_probackup.log')) as f:
|
|
log_content = f.read()
|
|
f.close
|
|
|
|
self.assertIn(
|
|
'ERROR: the standby was promoted during online backup',
|
|
log_content)
|
|
|
|
self.assertIn(
|
|
'WARNING: Backup {0} is running, '
|
|
'setting its status to ERROR'.format(backup_id),
|
|
log_content)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_stop_lsn_null_offset(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '1h',
|
|
'wal_level': 'replica'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', master)
|
|
self.set_archiving(backup_dir, 'node', master)
|
|
master.slow_start()
|
|
|
|
# freeze bgwriter to get rid of RUNNING XACTS records
|
|
bgwriter_pid = master.auxiliary_pids[ProcessType.BackgroundWriter][0]
|
|
gdb_checkpointer = self.gdb_attach(bgwriter_pid)
|
|
|
|
self.backup_node(backup_dir, 'node', master)
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'node', replica)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(master, replica, synchronous=True)
|
|
self.set_archiving(backup_dir, 'node', replica, replica=True)
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
self.switch_wal_segment(master)
|
|
self.switch_wal_segment(master)
|
|
|
|
output = self.backup_node(
|
|
backup_dir, 'node', replica, replica.data_dir,
|
|
options=[
|
|
'--archive-timeout=30',
|
|
'--log-level-console=LOG',
|
|
'--no-validate',
|
|
'--stream'],
|
|
return_id=False)
|
|
|
|
self.assertIn(
|
|
'LOG: Invalid offset in stop_lsn value 0/4000000',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'WARNING: WAL segment 000000010000000000000004 could not be streamed in 30 seconds',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'WARNING: Failed to get next WAL record after 0/4000000, looking for previous WAL record',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'LOG: Looking for LSN 0/4000000 in segment: 000000010000000000000003',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'has endpoint 0/4000000 which is '
|
|
'equal or greater than requested LSN 0/4000000',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'LOG: Found prior LSN:',
|
|
output)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_stop_lsn_null_offset_next_record(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '1h',
|
|
'wal_level': 'replica'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
self.set_archiving(backup_dir, 'master', master)
|
|
master.slow_start()
|
|
|
|
# freeze bgwriter to get rid of RUNNING XACTS records
|
|
bgwriter_pid = master.auxiliary_pids[ProcessType.BackgroundWriter][0]
|
|
gdb_checkpointer = self.gdb_attach(bgwriter_pid)
|
|
|
|
self.backup_node(backup_dir, 'master', master)
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
|
|
# Settings for Replica
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
self.set_replica(master, replica, synchronous=True)
|
|
self.set_archiving(backup_dir, 'replica', replica, replica=True)
|
|
|
|
copy_tree(
|
|
os.path.join(backup_dir, 'wal', 'master'),
|
|
os.path.join(backup_dir, 'wal', 'replica'))
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
self.switch_wal_segment(master)
|
|
self.switch_wal_segment(master)
|
|
|
|
# open connection to master
|
|
conn = master.connect()
|
|
|
|
gdb = self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
options=[
|
|
'--archive-timeout=40',
|
|
'--log-level-file=LOG',
|
|
'--no-validate',
|
|
'--stream'],
|
|
gdb=True)
|
|
|
|
gdb.set_breakpoint('pg_stop_backup')
|
|
gdb.run_until_break()
|
|
gdb.remove_all_breakpoints()
|
|
gdb.continue_execution_until_running()
|
|
|
|
sleep(5)
|
|
|
|
conn.execute("create table t1()")
|
|
conn.commit()
|
|
|
|
while 'RUNNING' in self.show_pb(backup_dir, 'replica')[0]['status']:
|
|
sleep(5)
|
|
|
|
file = os.path.join(backup_dir, 'log', 'pg_probackup.log')
|
|
|
|
with open(file) as f:
|
|
log_content = f.read()
|
|
|
|
self.assertIn(
|
|
'LOG: Invalid offset in stop_lsn value 0/4000000',
|
|
log_content)
|
|
|
|
self.assertIn(
|
|
'LOG: Looking for segment: 000000010000000000000004',
|
|
log_content)
|
|
|
|
self.assertIn(
|
|
'LOG: First record in WAL segment "000000010000000000000004": 0/4000028',
|
|
log_content)
|
|
|
|
self.assertIn(
|
|
'LOG: stop_lsn: 0/4000000',
|
|
log_content)
|
|
|
|
self.assertTrue(self.show_pb(backup_dir, 'replica')[0]['status'] == 'DONE')
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_archive_replica_null_offset(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '1h',
|
|
'wal_level': 'replica'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', master)
|
|
self.set_archiving(backup_dir, 'node', master)
|
|
master.slow_start()
|
|
|
|
self.backup_node(backup_dir, 'node', master)
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'node', replica)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(master, replica, synchronous=True)
|
|
self.set_archiving(backup_dir, 'node', replica, replica=True)
|
|
|
|
# freeze bgwriter to get rid of RUNNING XACTS records
|
|
bgwriter_pid = master.auxiliary_pids[ProcessType.BackgroundWriter][0]
|
|
gdb_checkpointer = self.gdb_attach(bgwriter_pid)
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
self.switch_wal_segment(master)
|
|
self.switch_wal_segment(master)
|
|
|
|
# take backup from replica
|
|
output = self.backup_node(
|
|
backup_dir, 'node', replica, replica.data_dir,
|
|
options=[
|
|
'--archive-timeout=30',
|
|
'--log-level-console=LOG',
|
|
'--no-validate'],
|
|
return_id=False)
|
|
|
|
self.assertIn(
|
|
'LOG: Invalid offset in stop_lsn value 0/4000000',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'WARNING: WAL segment 000000010000000000000004 could not be archived in 30 seconds',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'WARNING: Failed to get next WAL record after 0/4000000, looking for previous WAL record',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'LOG: Looking for LSN 0/4000000 in segment: 000000010000000000000003',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'has endpoint 0/4000000 which is '
|
|
'equal or greater than requested LSN 0/4000000',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'LOG: Found prior LSN:',
|
|
output)
|
|
|
|
print(output)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_archive_replica_not_null_offset(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '1h',
|
|
'wal_level': 'replica'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', master)
|
|
self.set_archiving(backup_dir, 'node', master)
|
|
master.slow_start()
|
|
|
|
self.backup_node(backup_dir, 'node', master)
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'node', replica)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(master, replica, synchronous=True)
|
|
self.set_archiving(backup_dir, 'node', replica, replica=True)
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
# take backup from replica
|
|
self.backup_node(
|
|
backup_dir, 'node', replica, replica.data_dir,
|
|
options=[
|
|
'--archive-timeout=30',
|
|
'--log-level-console=LOG',
|
|
'--no-validate'],
|
|
return_id=False)
|
|
|
|
try:
|
|
self.backup_node(
|
|
backup_dir, 'node', replica, replica.data_dir,
|
|
options=[
|
|
'--archive-timeout=30',
|
|
'--log-level-console=LOG',
|
|
'--no-validate'])
|
|
# we should die here because exception is what we expect to happen
|
|
self.assertEqual(
|
|
1, 0,
|
|
"Expecting Error because of archive timeout. "
|
|
"\n Output: {0} \n CMD: {1}".format(
|
|
repr(self.output), self.cmd))
|
|
except ProbackupException as e:
|
|
self.assertIn(
|
|
'LOG: Looking for LSN 0/4000060 in segment: 000000010000000000000004',
|
|
e.message,
|
|
"\n Unexpected Error Message: {0}\n CMD: {1}".format(
|
|
repr(e.message), self.cmd))
|
|
|
|
self.assertIn(
|
|
'INFO: Wait for LSN 0/4000060 in archived WAL segment',
|
|
e.message,
|
|
"\n Unexpected Error Message: {0}\n CMD: {1}".format(
|
|
repr(e.message), self.cmd))
|
|
|
|
self.assertIn(
|
|
'ERROR: WAL segment 000000010000000000000004 could not be archived in 30 seconds',
|
|
e.message,
|
|
"\n Unexpected Error Message: {0}\n CMD: {1}".format(
|
|
repr(e.message), self.cmd))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_toast(self):
|
|
"""
|
|
make archive master, take full and page archive backups from master,
|
|
set replica, make archive backup from replica
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'autovacuum': 'off',
|
|
'checkpoint_timeout': '1h',
|
|
'wal_level': 'replica',
|
|
'shared_buffers': '128MB'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
self.set_archiving(backup_dir, 'master', master)
|
|
master.slow_start()
|
|
|
|
# freeze bgwriter to get rid of RUNNING XACTS records
|
|
bgwriter_pid = master.auxiliary_pids[ProcessType.BackgroundWriter][0]
|
|
gdb_checkpointer = self.gdb_attach(bgwriter_pid)
|
|
|
|
self.backup_node(backup_dir, 'master', master)
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
|
|
# Settings for Replica
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
self.set_replica(master, replica, synchronous=True)
|
|
self.set_archiving(backup_dir, 'replica', replica, replica=True)
|
|
|
|
copy_tree(
|
|
os.path.join(backup_dir, 'wal', 'master'),
|
|
os.path.join(backup_dir, 'wal', 'replica'))
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
self.switch_wal_segment(master)
|
|
self.switch_wal_segment(master)
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t1 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,10) i')
|
|
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
output = self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
options=[
|
|
'--archive-timeout=30',
|
|
'--log-level-console=LOG',
|
|
'--no-validate',
|
|
'--stream'],
|
|
return_id=False)
|
|
|
|
pgdata = self.pgdata_content(replica.data_dir)
|
|
|
|
self.assertIn(
|
|
'WARNING: Could not read WAL record at',
|
|
output)
|
|
|
|
self.assertIn(
|
|
'LOG: Found prior LSN:',
|
|
output)
|
|
|
|
res1 = replica.safe_psql(
|
|
'postgres',
|
|
'select md5(fat_attr) from t1')
|
|
|
|
replica.cleanup()
|
|
|
|
self.restore_node(backup_dir, 'replica', replica)
|
|
pgdata_restored = self.pgdata_content(replica.data_dir)
|
|
|
|
replica.slow_start()
|
|
|
|
res2 = replica.safe_psql(
|
|
'postgres',
|
|
'select md5(fat_attr) from t1')
|
|
|
|
self.assertEqual(res1, res2)
|
|
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_start_stop_lsn_in_the_same_segno(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'autovacuum': 'off',
|
|
'checkpoint_timeout': '1h',
|
|
'wal_level': 'replica',
|
|
'shared_buffers': '128MB'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
master.slow_start()
|
|
|
|
# freeze bgwriter to get rid of RUNNING XACTS records
|
|
bgwriter_pid = master.auxiliary_pids[ProcessType.BackgroundWriter][0]
|
|
gdb_checkpointer = self.gdb_attach(bgwriter_pid)
|
|
|
|
self.backup_node(backup_dir, 'master', master, options=['--stream'])
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
|
|
# Settings for Replica
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
self.set_replica(master, replica, synchronous=True)
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
self.switch_wal_segment(master)
|
|
self.switch_wal_segment(master)
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t1 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,10) i')
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CHECKPOINT')
|
|
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
sleep(60)
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
options=[
|
|
'--archive-timeout=30',
|
|
'--log-level-console=LOG',
|
|
'--no-validate',
|
|
'--stream'],
|
|
return_id=False)
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
options=[
|
|
'--archive-timeout=30',
|
|
'--log-level-console=LOG',
|
|
'--no-validate',
|
|
'--stream'],
|
|
return_id=False)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
@unittest.skip("skip")
|
|
def test_replica_promote_1(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '1h',
|
|
'wal_level': 'replica'})
|
|
|
|
if self.get_version(master) < self.version_to_num('9.6.0'):
|
|
self.del_test_dir(module_name, fname)
|
|
return unittest.skip(
|
|
'Skipped because backup from replica is not supported in PG 9.5')
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
# set replica True, so archive_mode 'always' is used.
|
|
self.set_archiving(backup_dir, 'master', master, replica=True)
|
|
master.slow_start()
|
|
|
|
self.backup_node(backup_dir, 'master', master)
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(master, replica)
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t1 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,10) i')
|
|
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
wal_file = os.path.join(
|
|
backup_dir, 'wal', 'master', '000000010000000000000004')
|
|
|
|
wal_file_partial = os.path.join(
|
|
backup_dir, 'wal', 'master', '000000010000000000000004.partial')
|
|
|
|
self.assertFalse(os.path.exists(wal_file))
|
|
|
|
replica.promote()
|
|
|
|
while not os.path.exists(wal_file_partial):
|
|
sleep(1)
|
|
|
|
self.switch_wal_segment(master)
|
|
|
|
# sleep to be sure, that any partial timeout is expired
|
|
sleep(70)
|
|
|
|
self.assertTrue(
|
|
os.path.exists(wal_file_partial),
|
|
"File {0} disappeared".format(wal_file))
|
|
|
|
self.assertTrue(
|
|
os.path.exists(wal_file_partial),
|
|
"File {0} disappeared".format(wal_file_partial))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_promote_2(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'])
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
# set replica True, so archive_mode 'always' is used.
|
|
self.set_archiving(
|
|
backup_dir, 'master', master, replica=True)
|
|
master.slow_start()
|
|
|
|
self.backup_node(backup_dir, 'master', master)
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(master, replica)
|
|
self.set_auto_conf(replica, {'port': replica.port})
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t1 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,1) i')
|
|
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
replica.promote()
|
|
|
|
self.backup_node(
|
|
backup_dir, 'master', replica, data_dir=replica.data_dir,
|
|
backup_type='page')
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_promote_3(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'])
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
|
|
master.slow_start()
|
|
|
|
self.backup_node(backup_dir, 'master', master, options=['--stream'])
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(master, replica)
|
|
self.set_auto_conf(replica, {'port': replica.port})
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t1 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
|
|
full_id = self.backup_node(
|
|
backup_dir, 'replica',
|
|
replica, options=['--stream'])
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t2 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
backup_type='delta', options=['--stream'])
|
|
|
|
replica.promote()
|
|
|
|
# failing, because without archving, it is impossible to
|
|
# take multi-timeline backup.
|
|
try:
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
backup_type='delta', options=['--stream'])
|
|
# we should die here because exception is what we expect to happen
|
|
self.assertEqual(
|
|
1, 0,
|
|
"Expecting Error because of timeline switch "
|
|
"\n Output: {0} \n CMD: {1}".format(
|
|
repr(self.output), self.cmd))
|
|
except ProbackupException as e:
|
|
self.assertTrue(
|
|
'WARNING: Cannot find valid backup on previous timelines, '
|
|
'WAL archive is not available' 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))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_promote_archive_delta(self):
|
|
"""
|
|
t3 /---D3-->
|
|
t2 /------->
|
|
t1 --F---D1--D2--
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
node1 = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node1'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '30s',
|
|
'archive_timeout': '30s',
|
|
'autovacuum': 'off'})
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node1)
|
|
self.set_config(
|
|
backup_dir, 'node', options=['--archive-timeout=60s'])
|
|
self.set_archiving(backup_dir, 'node', node1)
|
|
|
|
node1.slow_start()
|
|
|
|
self.backup_node(backup_dir, 'node', node1, options=['--stream'])
|
|
|
|
# Create replica
|
|
node2 = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node2'))
|
|
node2.cleanup()
|
|
self.restore_node(backup_dir, 'node', node2, node2.data_dir)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(node1, node2)
|
|
self.set_auto_conf(node2, {'port': node2.port})
|
|
self.set_archiving(backup_dir, 'node', node2, replica=True)
|
|
|
|
node2.slow_start(replica=True)
|
|
|
|
node1.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t1 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
self.wait_until_replica_catch_with_master(node1, node2)
|
|
|
|
node1.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t2 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
self.wait_until_replica_catch_with_master(node1, node2)
|
|
|
|
# delta backup on replica on timeline 1
|
|
delta1_id = self.backup_node(
|
|
backup_dir, 'node', node2, node2.data_dir,
|
|
'delta', options=['--stream'])
|
|
|
|
# delta backup on replica on timeline 1
|
|
delta2_id = self.backup_node(
|
|
backup_dir, 'node', node2, node2.data_dir, 'delta')
|
|
|
|
self.change_backup_status(
|
|
backup_dir, 'node', delta2_id, 'ERROR')
|
|
|
|
# node2 is now master
|
|
node2.promote()
|
|
|
|
node2.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t3 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
|
|
# node1 is now replica
|
|
node1.cleanup()
|
|
# kludge "backup_id=delta1_id"
|
|
self.restore_node(
|
|
backup_dir, 'node', node1, node1.data_dir,
|
|
backup_id=delta1_id,
|
|
options=[
|
|
'--recovery-target-timeline=2',
|
|
'--recovery-target=latest'])
|
|
|
|
# Settings for Replica
|
|
self.set_replica(node2, node1)
|
|
self.set_auto_conf(node1, {'port': node1.port})
|
|
self.set_archiving(backup_dir, 'node', node1, replica=True)
|
|
|
|
node1.slow_start(replica=True)
|
|
|
|
node2.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t4 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,30) i')
|
|
self.wait_until_replica_catch_with_master(node2, node1)
|
|
|
|
# node1 is back to be a master
|
|
node1.promote()
|
|
|
|
sleep(5)
|
|
|
|
# delta backup on timeline 3
|
|
self.backup_node(
|
|
backup_dir, 'node', node1, node1.data_dir, 'delta',
|
|
options=['--archive-timeout=60'])
|
|
|
|
pgdata = self.pgdata_content(node1.data_dir)
|
|
|
|
node1.cleanup()
|
|
self.restore_node(backup_dir, 'node', node1, node1.data_dir)
|
|
|
|
pgdata_restored = self.pgdata_content(node1.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_promote_archive_page(self):
|
|
"""
|
|
t3 /---P3-->
|
|
t2 /------->
|
|
t1 --F---P1--P2--
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
node1 = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node1'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '30s',
|
|
'archive_timeout': '30s',
|
|
'autovacuum': 'off'})
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node1)
|
|
self.set_archiving(backup_dir, 'node', node1)
|
|
self.set_config(
|
|
backup_dir, 'node', options=['--archive-timeout=60s'])
|
|
|
|
node1.slow_start()
|
|
|
|
self.backup_node(backup_dir, 'node', node1, options=['--stream'])
|
|
|
|
# Create replica
|
|
node2 = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node2'))
|
|
node2.cleanup()
|
|
self.restore_node(backup_dir, 'node', node2, node2.data_dir)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(node1, node2)
|
|
self.set_auto_conf(node2, {'port': node2.port})
|
|
self.set_archiving(backup_dir, 'node', node2, replica=True)
|
|
|
|
node2.slow_start(replica=True)
|
|
|
|
node1.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t1 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
self.wait_until_replica_catch_with_master(node1, node2)
|
|
|
|
node1.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t2 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
self.wait_until_replica_catch_with_master(node1, node2)
|
|
|
|
# page backup on replica on timeline 1
|
|
page1_id = self.backup_node(
|
|
backup_dir, 'node', node2, node2.data_dir,
|
|
'page', options=['--stream'])
|
|
|
|
# page backup on replica on timeline 1
|
|
page2_id = self.backup_node(
|
|
backup_dir, 'node', node2, node2.data_dir, 'page')
|
|
|
|
self.change_backup_status(
|
|
backup_dir, 'node', page2_id, 'ERROR')
|
|
|
|
# node2 is now master
|
|
node2.promote()
|
|
|
|
node2.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t3 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
|
|
# node1 is now replica
|
|
node1.cleanup()
|
|
# kludge "backup_id=page1_id"
|
|
self.restore_node(
|
|
backup_dir, 'node', node1, node1.data_dir,
|
|
backup_id=page1_id,
|
|
options=[
|
|
'--recovery-target-timeline=2',
|
|
'--recovery-target=latest'])
|
|
|
|
# Settings for Replica
|
|
self.set_replica(node2, node1)
|
|
self.set_auto_conf(node1, {'port': node1.port})
|
|
self.set_archiving(backup_dir, 'node', node1, replica=True)
|
|
|
|
node1.slow_start(replica=True)
|
|
|
|
node2.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t4 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,30) i')
|
|
self.wait_until_replica_catch_with_master(node2, node1)
|
|
|
|
# node1 is back to be a master
|
|
node1.promote()
|
|
self.switch_wal_segment(node1)
|
|
|
|
sleep(5)
|
|
|
|
# delta3_id = self.backup_node(
|
|
# backup_dir, 'node', node2, node2.data_dir, 'delta')
|
|
# page backup on timeline 3
|
|
page3_id = self.backup_node(
|
|
backup_dir, 'node', node1, node1.data_dir, 'page',
|
|
options=['--archive-timeout=60'])
|
|
|
|
pgdata = self.pgdata_content(node1.data_dir)
|
|
|
|
node1.cleanup()
|
|
self.restore_node(backup_dir, 'node', node1, node1.data_dir)
|
|
|
|
pgdata_restored = self.pgdata_content(node1.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_parent_choosing(self):
|
|
"""
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
master = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'master'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'])
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'master', master)
|
|
|
|
master.slow_start()
|
|
|
|
self.backup_node(backup_dir, 'master', master, options=['--stream'])
|
|
|
|
# Create replica
|
|
replica = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'replica'))
|
|
replica.cleanup()
|
|
self.restore_node(backup_dir, 'master', replica)
|
|
|
|
# Settings for Replica
|
|
self.set_replica(master, replica)
|
|
self.set_auto_conf(replica, {'port': replica.port})
|
|
|
|
replica.slow_start(replica=True)
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t1 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
self.add_instance(backup_dir, 'replica', replica)
|
|
|
|
full_id = self.backup_node(
|
|
backup_dir, 'replica',
|
|
replica, options=['--stream'])
|
|
|
|
master.safe_psql(
|
|
'postgres',
|
|
'CREATE TABLE t2 AS '
|
|
'SELECT i, repeat(md5(i::text),5006056) AS fat_attr '
|
|
'FROM generate_series(0,20) i')
|
|
self.wait_until_replica_catch_with_master(master, replica)
|
|
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
backup_type='delta', options=['--stream'])
|
|
|
|
replica.promote()
|
|
|
|
# failing, because without archving, it is impossible to
|
|
# take multi-timeline backup.
|
|
try:
|
|
self.backup_node(
|
|
backup_dir, 'replica', replica,
|
|
backup_type='delta', options=['--stream'])
|
|
# we should die here because exception is what we expect to happen
|
|
self.assertEqual(
|
|
1, 0,
|
|
"Expecting Error because of timeline switch "
|
|
"\n Output: {0} \n CMD: {1}".format(
|
|
repr(self.output), self.cmd))
|
|
except ProbackupException as e:
|
|
self.assertTrue(
|
|
'WARNING: Cannot find valid backup on previous timelines, '
|
|
'WAL archive is not available' 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))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_instance_from_the_past(self):
|
|
"""
|
|
"""
|
|
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)
|
|
|
|
node.slow_start()
|
|
|
|
full_id = self.backup_node(backup_dir, 'node', node, options=['--stream'])
|
|
|
|
node.pgbench_init(scale=10)
|
|
self.backup_node(backup_dir, 'node', node, options=['--stream'])
|
|
node.cleanup()
|
|
|
|
self.restore_node(backup_dir, 'node', node, backup_id=full_id)
|
|
node.slow_start()
|
|
|
|
try:
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta', options=['--stream'])
|
|
# we should die here because exception is what we expect to happen
|
|
self.assertEqual(
|
|
1, 0,
|
|
"Expecting Error because instance is from the past "
|
|
"\n Output: {0} \n CMD: {1}".format(
|
|
repr(self.output), self.cmd))
|
|
except ProbackupException as e:
|
|
self.assertTrue(
|
|
'ERROR: Current START LSN' in e.message and
|
|
'is lower than START LSN' in e.message and
|
|
'It may indicate that we are trying to backup '
|
|
'PostgreSQL instance from the past' in e.message,
|
|
"\n Unexpected Error Message: {0}\n CMD: {1}".format(
|
|
repr(e.message), self.cmd))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_replica_via_basebackup(self):
|
|
"""
|
|
"""
|
|
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={'autovacuum': 'off', 'hot_standby': 'on'})
|
|
|
|
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=10)
|
|
|
|
#FULL backup
|
|
full_id = self.backup_node(backup_dir, 'node', node)
|
|
|
|
pgbench = node.pgbench(
|
|
options=['-T', '10', '-c', '1', '--no-vacuum'])
|
|
pgbench.wait()
|
|
|
|
node.cleanup()
|
|
|
|
self.restore_node(
|
|
backup_dir, 'node', node,
|
|
options=['--recovery-target=latest', '--recovery-target-action=promote'])
|
|
node.slow_start()
|
|
|
|
# Timeline 2
|
|
# Take stream page backup from instance in timeline2
|
|
self.backup_node(
|
|
backup_dir, 'node', node, backup_type='full',
|
|
options=['--stream', '--log-level-file=verbose'])
|
|
|
|
node.cleanup()
|
|
|
|
# restore stream backup
|
|
self.restore_node(backup_dir, 'node', node)
|
|
|
|
xlog_dir = 'pg_wal'
|
|
if self.get_version(node) < 100000:
|
|
xlog_dir = 'pg_xlog'
|
|
|
|
filepath = os.path.join(node.data_dir, xlog_dir, "00000002.history")
|
|
self.assertTrue(
|
|
os.path.exists(filepath),
|
|
"History file do not exists: {0}".format(filepath))
|
|
|
|
node.slow_start()
|
|
|
|
node_restored = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node_restored'))
|
|
node_restored.cleanup()
|
|
|
|
pg_basebackup_path = self.get_bin_path('pg_basebackup')
|
|
|
|
self.run_binary(
|
|
[
|
|
pg_basebackup_path, '-p', str(node.port), '-h', 'localhost',
|
|
'-R', '-X', 'stream', '-D', node_restored.data_dir
|
|
])
|
|
|
|
self.set_auto_conf(node_restored, {'port': node_restored.port})
|
|
node_restored.slow_start(replica=True)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# TODO:
|
|
# null offset STOP LSN and latest record in previous segment is conrecord (manual only)
|
|
# archiving from promoted delayed replica
|