mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-11 11:41:33 +02:00
443 lines
16 KiB
Python
443 lines
16 KiB
Python
import unittest
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import os
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from time import sleep
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from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
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module_name = 'locking'
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class LockingTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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# @unittest.expectedFailure
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def test_locking_running_validate_1(self):
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"""
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make node, take full backup, stop it in the middle
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run validate, expect it to successfully executed,
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concurrect RUNNING backup with pid file and active process is legal
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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self.backup_node(backup_dir, 'node', node)
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gdb = self.backup_node(
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backup_dir, 'node', node, gdb=True)
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gdb.set_breakpoint('copy_file')
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gdb.run_until_break()
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gdb.continue_execution_until_break(20)
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self.assertEqual(
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'OK', self.show_pb(backup_dir, 'node')[0]['status'])
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self.assertEqual(
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'RUNNING', self.show_pb(backup_dir, 'node')[1]['status'])
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validate_output = self.validate_pb(
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backup_dir, options=['--log-level-console=LOG'])
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backup_id = self.show_pb(backup_dir, 'node')[1]['id']
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self.assertIn(
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"is using backup {0} and still is running".format(backup_id),
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validate_output,
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'\n Unexpected Validate Output: {0}\n'.format(repr(validate_output)))
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self.assertEqual(
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'OK', self.show_pb(backup_dir, 'node')[0]['status'])
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self.assertEqual(
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'RUNNING', self.show_pb(backup_dir, 'node')[1]['status'])
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# Clean after yourself
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# self.del_test_dir(module_name, fname)
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def test_locking_running_validate_2(self):
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"""
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make node, take full backup, stop it in the middle,
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kill process so no cleanup is done - pid file is in place,
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run validate, expect it to not successfully executed,
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RUNNING backup with pid file AND without active pid is legal,
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but his status must be changed to ERROR and pid file is deleted
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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self.backup_node(backup_dir, 'node', node)
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gdb = self.backup_node(
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backup_dir, 'node', node, gdb=True)
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gdb.set_breakpoint('copy_file')
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gdb.run_until_break()
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gdb.continue_execution_until_break(20)
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gdb._execute('signal SIGKILL')
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gdb.continue_execution_until_error()
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self.assertEqual(
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'OK', self.show_pb(backup_dir, 'node')[0]['status'])
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self.assertEqual(
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'RUNNING', self.show_pb(backup_dir, 'node')[1]['status'])
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backup_id = self.show_pb(backup_dir, 'node')[1]['id']
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try:
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self.validate_pb(backup_dir)
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self.assertEqual(
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1, 0,
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"Expecting Error because RUNNING backup is no longer active.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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"which used backup {0} no longer exists".format(
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backup_id) in e.message and
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"Backup {0} has status RUNNING, change it "
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"to ERROR and skip validation".format(
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backup_id) in e.message and
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"WARNING: Some backups are not valid" in
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e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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self.assertEqual(
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'OK', self.show_pb(backup_dir, 'node')[0]['status'])
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self.assertEqual(
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'ERROR', self.show_pb(backup_dir, 'node')[1]['status'])
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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def test_locking_running_validate_2_specific_id(self):
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"""
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make node, take full backup, stop it in the middle,
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kill process so no cleanup is done - pid file is in place,
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run validate on this specific backup,
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expect it to not successfully executed,
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RUNNING backup with pid file AND without active pid is legal,
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but his status must be changed to ERROR and pid file is deleted
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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self.backup_node(backup_dir, 'node', node)
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gdb = self.backup_node(
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backup_dir, 'node', node, gdb=True)
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gdb.set_breakpoint('copy_file')
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gdb.run_until_break()
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gdb.continue_execution_until_break(20)
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gdb._execute('signal SIGKILL')
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gdb.continue_execution_until_error()
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self.assertEqual(
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'OK', self.show_pb(backup_dir, 'node')[0]['status'])
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self.assertEqual(
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'RUNNING', self.show_pb(backup_dir, 'node')[1]['status'])
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backup_id = self.show_pb(backup_dir, 'node')[1]['id']
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try:
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self.validate_pb(backup_dir, 'node', backup_id)
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self.assertEqual(
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1, 0,
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"Expecting Error because RUNNING backup is no longer active.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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"which used backup {0} no longer exists".format(
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backup_id) in e.message and
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"Backup {0} has status RUNNING, change it "
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"to ERROR and skip validation".format(
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backup_id) in e.message and
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"ERROR: Backup {0} has status: ERROR".format(backup_id) in
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e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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self.assertEqual(
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'OK', self.show_pb(backup_dir, 'node')[0]['status'])
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self.assertEqual(
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'ERROR', self.show_pb(backup_dir, 'node')[1]['status'])
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try:
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self.validate_pb(backup_dir, 'node', backup_id)
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self.assertEqual(
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1, 0,
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"Expecting Error because backup has status ERROR.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertIn(
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"ERROR: Backup {0} has status: ERROR".format(backup_id),
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e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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try:
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self.validate_pb(backup_dir)
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self.assertEqual(
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1, 0,
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"Expecting Error because backup has status ERROR.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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"WARNING: Backup {0} has status ERROR. Skip validation".format(
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backup_id) in e.message and
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"WARNING: Some backups are not valid" in e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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def test_locking_running_3(self):
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"""
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make node, take full backup, stop it in the middle,
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terminate process, delete pid file,
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run validate, expect it to not successfully executed,
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RUNNING backup without pid file AND without active pid is legal,
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his status must be changed to ERROR
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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self.backup_node(backup_dir, 'node', node)
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gdb = self.backup_node(
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backup_dir, 'node', node, gdb=True)
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gdb.set_breakpoint('copy_file')
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gdb.run_until_break()
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gdb.continue_execution_until_break(20)
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gdb._execute('signal SIGKILL')
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gdb.continue_execution_until_error()
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self.assertEqual(
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'OK', self.show_pb(backup_dir, 'node')[0]['status'])
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self.assertEqual(
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'RUNNING', self.show_pb(backup_dir, 'node')[1]['status'])
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backup_id = self.show_pb(backup_dir, 'node')[1]['id']
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os.remove(
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os.path.join(backup_dir, 'backups', 'node', backup_id, 'backup.pid'))
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try:
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self.validate_pb(backup_dir)
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self.assertEqual(
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1, 0,
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"Expecting Error because RUNNING backup is no longer active.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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"Backup {0} has status RUNNING, change it "
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"to ERROR and skip validation".format(
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backup_id) in e.message and
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"WARNING: Some backups are not valid" in
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e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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self.assertEqual(
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'OK', self.show_pb(backup_dir, 'node')[0]['status'])
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self.assertEqual(
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'ERROR', self.show_pb(backup_dir, 'node')[1]['status'])
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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def test_locking_restore_locked(self):
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"""
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make node, take full backup, take two page backups,
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launch validate on PAGE1 and stop it in the middle,
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launch restore of PAGE2.
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Expect restore to fail because validation of
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intermediate backup is impossible
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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# FULL
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full_id = self.backup_node(backup_dir, 'node', node)
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# PAGE1
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backup_id = self.backup_node(backup_dir, 'node', node, backup_type='page')
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# PAGE2
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self.backup_node(backup_dir, 'node', node, backup_type='page')
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gdb = self.validate_pb(
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backup_dir, 'node', backup_id=backup_id, gdb=True)
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gdb.set_breakpoint('pgBackupValidate')
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gdb.run_until_break()
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node.cleanup()
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try:
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self.restore_node(backup_dir, 'node', node)
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self.assertEqual(
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1, 0,
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"Expecting Error because restore without whole chain validation "
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"is prohibited unless --no-validate provided.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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"ERROR: Cannot lock backup {0} directory\n".format(full_id) in e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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def test_locking_restore_locked_without_validation(self):
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"""
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make node, take full backup, take page backup,
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launch validate on FULL and stop it in the middle,
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launch restore of PAGE.
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Expect restore to fail because validation of
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intermediate backup is impossible
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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# FULL
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backup_id = self.backup_node(backup_dir, 'node', node)
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# PAGE1
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restore_id = self.backup_node(backup_dir, 'node', node, backup_type='page')
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gdb = self.validate_pb(
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backup_dir, 'node', backup_id=backup_id, gdb=True)
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gdb.set_breakpoint('pgBackupValidate')
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gdb.run_until_break()
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node.cleanup()
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try:
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self.restore_node(
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backup_dir, 'node', node, options=['--no-validate'])
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self.assertEqual(
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1, 0,
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"Expecting Error because restore without whole chain validation "
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"is prohibited unless --no-validate provided.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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"Backup {0} is used without validation".format(
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restore_id) in e.message and
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'is using backup {0} and still is running'.format(
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backup_id) in e.message and
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'ERROR: Cannot lock backup directory' in e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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def test_locking_concurrent_vaidate_and_backup(self):
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"""
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make node, take full backup, launch validate
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and stop it in the middle, take page backup.
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Expect PAGE backup to be successfully executed
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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# FULL
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self.backup_node(backup_dir, 'node', node)
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# PAGE2
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backup_id = self.backup_node(backup_dir, 'node', node, backup_type='page')
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gdb = self.validate_pb(
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backup_dir, 'node', backup_id=backup_id, gdb=True)
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gdb.set_breakpoint('pgBackupValidate')
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gdb.run_until_break()
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# This PAGE backup is expected to be successfull
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self.backup_node(backup_dir, 'node', node, backup_type='page')
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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