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e47b02018bdd182f605e9926f2addfe998e0d5d3
pg_probackup/tests/ptrack.py
T
Grigory Smolkin 237882cfaa new tests added
2017-09-28 10:32:06 +03:00

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import os
import unittest
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
from datetime import datetime, timedelta
import subprocess
from testgres import ClusterException
import shutil, sys
module_name = 'ptrack'
class PtrackBackupTest(ProbackupTest, unittest.TestCase):
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_ptrack_enable(self):
"""make ptrack without full backup, should result in error"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
# PTRACK BACKUP
try:
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because ptrack disabled.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertEqual('ERROR: Ptrack is disabled\n', 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_ptrack_stream(self):
"""make node, make full and ptrack stream backups, restore them and check data correctness"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.start()
# FULL BACKUP
node.safe_psql(
"postgres",
"create sequence t_seq")
node.safe_psql(
"postgres",
"create table t_heap as select i as id, nextval('t_seq') as t_seq, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
full_result = node.safe_psql("postgres", "SELECT * FROM t_heap")
full_backup_id = self.backup_node(backup_dir, 'node', node, options=['--stream'])
# PTRACK BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, nextval('t_seq') as t_seq, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(100,200) i")
ptrack_result = node.safe_psql("postgres", "SELECT * FROM t_heap")
ptrack_backup_id = self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=['--stream'])
# Drop Node
node.cleanup()
# Restore and check full backup
self.assertIn("INFO: Restore of backup {0} completed.".format(full_backup_id),
self.restore_node(backup_dir, 'node', node, backup_id=full_backup_id, options=["-j", "4"]),
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
node.start()
full_result_new = node.safe_psql("postgres", "SELECT * FROM t_heap")
self.assertEqual(full_result, full_result_new)
node.cleanup()
# Restore and check ptrack backup
self.assertIn("INFO: Restore of backup {0} completed.".format(ptrack_backup_id),
self.restore_node(backup_dir, 'node', node, backup_id=ptrack_backup_id, options=["-j", "4"]),
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
node.start()
ptrack_result_new = node.safe_psql("postgres", "SELECT * FROM t_heap")
self.assertEqual(ptrack_result, ptrack_result_new)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_ptrack_archive(self):
"""make archive node, make full and ptrack backups, check data correctness in restored instance"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
# FULL BACKUP
node.safe_psql(
"postgres",
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
full_result = node.safe_psql("postgres", "SELECT * FROM t_heap")
full_backup_id = self.backup_node(backup_dir, 'node', node)
# PTRACK BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(100,200) i")
ptrack_result = node.safe_psql("postgres", "SELECT * FROM t_heap")
ptrack_backup_id = self.backup_node(backup_dir, 'node', node, backup_type='ptrack')
# Drop Node
node.cleanup()
# Check full backup
self.assertIn("INFO: Restore of backup {0} completed.".format(full_backup_id),
self.restore_node(backup_dir, 'node', node, backup_id=full_backup_id, options=["-j", "4"]),
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
node.start()
full_result_new = node.safe_psql("postgres", "SELECT * FROM t_heap")
self.assertEqual(full_result, full_result_new)
node.cleanup()
# Check ptrack backup
self.assertIn("INFO: Restore of backup {0} completed.".format(ptrack_backup_id),
self.restore_node(backup_dir, 'node', node, backup_id=ptrack_backup_id, options=["-j", "4"]),
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(self.output), self.cmd))
node.start()
ptrack_result_new = node.safe_psql("postgres", "SELECT * FROM t_heap")
self.assertEqual(ptrack_result, ptrack_result_new)
node.cleanup()
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_ptrack_pgpro417(self):
"""Make node, take full backup, take ptrack backup, delete ptrack backup. Try to take ptrack backup, which should fail"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.start()
# FULL BACKUP
node.safe_psql(
"postgres",
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
node.safe_psql("postgres", "SELECT * FROM t_heap")
backup_id = self.backup_node(backup_dir, 'node', node, backup_type='full', options=["--stream"])
start_lsn_full = self.show_pb(backup_dir, 'node', backup_id)['start-lsn']
# PTRACK BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(100,200) i")
node.safe_psql("postgres", "SELECT * FROM t_heap")
backup_id = self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
start_lsn_ptrack = self.show_pb(backup_dir, 'node', backup_id)['start-lsn']
self.delete_pb(backup_dir, 'node', backup_id)
# SECOND PTRACK BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(200,300) i")
try:
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because of LSN mismatch from ptrack_control and previous backup start_lsn.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue('ERROR: LSN from ptrack_control' in e.message
and 'differs from LSN of previous backup' 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_page_pgpro417(self):
"""Make archive node, take full backup, take page backup, delete page backup. Try to take ptrack backup, which should fail"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.start()
# FULL BACKUP
node.safe_psql(
"postgres",
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
node.safe_psql("postgres", "SELECT * FROM t_heap")
self.backup_node(backup_dir, 'node', node)
# PAGE BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(100,200) i")
node.safe_psql("postgres", "SELECT * FROM t_heap")
backup_id = self.backup_node(backup_dir, 'node', node, backup_type='page')
self.delete_pb(backup_dir, 'node', backup_id)
# PTRACK BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(200,300) i")
try:
self.backup_node(backup_dir, 'node', node, backup_type='ptrack')
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because of LSN mismatch from ptrack_control and previous backup start_lsn.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue('ERROR: LSN from ptrack_control' in e.message
and 'differs from LSN of previous backup' 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_full_pgpro417(self):
"""Make node, take two full backups, delete full second backup. Try to take ptrack backup, which should fail"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.start()
# FULL BACKUP
node.safe_psql(
"postgres",
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
node.safe_psql("postgres", "SELECT * FROM t_heap")
self.backup_node(backup_dir, 'node', node, options=["--stream"])
# SECOND FULL BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(100,200) i")
node.safe_psql("postgres", "SELECT * FROM t_heap")
backup_id = self.backup_node(backup_dir, 'node', node, options=["--stream"])
self.delete_pb(backup_dir, 'node', backup_id)
# PTRACK BACKUP
node.safe_psql(
"postgres",
"insert into t_heap select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(200,300) i")
try:
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because of LSN mismatch from ptrack_control and previous backup start_lsn.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue('ERROR: LSN from ptrack_control' in e.message
and 'differs from LSN of previous backup' in e.message
and '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_create_db(self):
"""Make node, take full backup, create database db1, take ptrack backup, restore database and check it presense"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.start()
# FULL BACKUP
node.safe_psql(
"postgres",
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
node.safe_psql("postgres", "SELECT * FROM t_heap")
self.backup_node(backup_dir, 'node', node, options=["--stream"])
# CREATE DATABASE DB1
node.safe_psql(
"postgres", "create database db1")
# node.safe_psql("db1", "create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
# result = node.safe_psql("db1", "select * from t_heap")
# PTRACK BACKUP
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
pgdata_content = self.pgdata_content(node.data_dir)
# DROP DATABASE DB1
#node.safe_psql(
# "postgres", "drop database db1")
# SECOND PTRACK BACKUP
#self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
node_restored = self.make_simple_node(base_dir="{0}/{1}/node_restored".format(module_name, fname))
node_restored.cleanup()
self.restore_node(backup_dir, 'node', node_restored, options=["-j", "4"])
pgdata_content_new = self.pgdata_content(node_restored.data_dir)
self.compare_pgdata(pgdata_content, pgdata_content_new)
result_new = node_restored.safe_psql("db1", "select * from t_heap")
self.assertEqual(result, result_new)
try:
node_restored.safe_psql('db1', 'select 1')
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because we are connecting to deleted database.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ClusterException as e:
self.assertTrue('FATAL: database "db1" does not exist' 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_drop_tablespace(self):
"""Make node, create table, alter table tablespace, take ptrack backup, move table from tablespace, take ptrack backup"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.start()
self.create_tblspace_in_node(node, 'somedata')
# CREATE TABLE
node.safe_psql(
"postgres",
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
result = node.safe_psql("postgres", "select * from t_heap")
# FULL BACKUP
self.backup_node(backup_dir, 'node', node, options=["--stream"])
# Move table to tablespace 'somedata'
node.safe_psql(
"postgres", "alter table t_heap set tablespace somedata")
# PTRACK BACKUP
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
# Move table back to default tablespace
node.safe_psql(
"postgres", "alter table t_heap set tablespace pg_default")
# SECOND PTRACK BACKUP
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
# DROP TABLESPACE 'somedata'
node.safe_psql(
"postgres", "drop tablespace somedata")
# THIRD PTRACK BACKUP
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
tblspace = self.get_tblspace_path(node, 'somedata')
node.cleanup()
shutil.rmtree(tblspace, ignore_errors=True)
self.restore_node(backup_dir, 'node', node, options=["-j", "4"])
node.start()
tblspc_exist = node.safe_psql("postgres", "select exists(select 1 from pg_tablespace where spcname = 'somedata')")
if tblspc_exist.rstrip() == 't':
self.assertEqual(1, 0, "Expecting Error because tablespace 'somedata' should not be present")
result_new = node.safe_psql("postgres", "select * from t_heap")
self.assertEqual(result, result_new)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_alter_tablespace(self):
"""Make node, create table, alter table tablespace, take ptrack backup, move table from tablespace, take ptrack backup"""
self.maxDiff = None
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(base_dir="{0}/{1}/node".format(module_name, fname),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica', 'max_wal_senders': '2', 'checkpoint_timeout': '30s', 'ptrack_enable': 'on'}
)
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.start()
self.create_tblspace_in_node(node, 'somedata')
# CREATE TABLE
node.safe_psql(
"postgres",
"create table t_heap as select i as id, md5(i::text) as text, md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
result = node.safe_psql("postgres", "select * from t_heap")
# FULL BACKUP
self.backup_node(backup_dir, 'node', node, options=["--stream"])
# Move table to separate tablespace
node.safe_psql(
"postgres", "alter table t_heap set tablespace somedata")
# FIRTS PTRACK BACKUP
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
# Restore ptrack backup and check table consistency
restored_node = self.make_simple_node(base_dir="{0}/{1}/restored_node".format(module_name, fname))
restored_node.cleanup()
tblspc_path = self.get_tblspace_path(node, 'somedata')
tblspc_path_new = self.get_tblspace_path(restored_node, 'somedata_restored')
self.restore_node(backup_dir, 'node', restored_node, options=[
"-j", "4", "-T", "{0}={1}".format(tblspc_path, tblspc_path_new)])
restored_node.append_conf("postgresql.auto.conf", "port = {0}".format(restored_node.port))
restored_node.start()
result_new = restored_node.safe_psql("postgres", "select * from t_heap")
self.assertEqual(result, result_new)
restored_node.cleanup()
shutil.rmtree(tblspc_path_new, ignore_errors=True)
# Move table to default tablespace
node.safe_psql(
"postgres", "alter table t_heap set tablespace pg_default")
# SECOND PTRACK BACKUP
self.backup_node(backup_dir, 'node', node, backup_type='ptrack', options=["--stream"])
# Restore second ptrack backup and check table consistency
self.restore_node(backup_dir, 'node', restored_node, options=[
"-j", "4", "-T", "{0}={1}".format(tblspc_path, tblspc_path_new)])
restored_node.append_conf("postgresql.auto.conf", "port = {0}".format(restored_node.port))
restored_node.start()
result_new = restored_node.safe_psql("postgres", "select * from t_heap")
self.assertEqual(result, result_new)
# Clean after yourself
self.del_test_dir(module_name, fname)
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