mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-11 11:41:33 +02:00
478 lines
18 KiB
Python
478 lines
18 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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from .helpers.cfs_helpers import find_by_name
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module_name = 'backup'
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class BackupTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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# @unittest.expectedFailure
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# PGPRO-707
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def test_backup_modes_archive(self):
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"""standart backup modes with ARCHIVE WAL method"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'ptrack_enable': 'on'}
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)
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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.start()
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# full backup mode
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# with open(path.join(node.logs_dir, "backup_full.log"), "wb") as backup_log:
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# backup_log.write(self.backup_node(node, options=["--verbose"]))
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backup_id = self.backup_node(backup_dir, 'node', node)
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show_backup = self.show_pb(backup_dir, 'node')[0]
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self.assertEqual(show_backup['Status'], "OK")
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self.assertEqual(show_backup['Mode'], "FULL")
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# postmaster.pid and postmaster.opts shouldn't be copied
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excluded = True
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db_dir = os.path.join(
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backup_dir, "backups", 'node', backup_id, "database")
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for f in os.listdir(db_dir):
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if (
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os.path.isfile(os.path.join(db_dir, f)) and
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(
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f == "postmaster.pid" or
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f == "postmaster.opts"
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)
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):
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excluded = False
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self.assertEqual(excluded, True)
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# page backup mode
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page_backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type="page")
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# print self.show_pb(node)
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show_backup = self.show_pb(backup_dir, 'node')[1]
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self.assertEqual(show_backup['Status'], "OK")
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self.assertEqual(show_backup['Mode'], "PAGE")
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# Check parent backup
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self.assertEqual(
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backup_id,
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self.show_pb(
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backup_dir, 'node',
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backup_id=show_backup['ID'])["parent-backup-id"])
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# ptrack backup mode
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self.backup_node(backup_dir, 'node', node, backup_type="ptrack")
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show_backup = self.show_pb(backup_dir, 'node')[2]
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self.assertEqual(show_backup['Status'], "OK")
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self.assertEqual(show_backup['Mode'], "PTRACK")
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# Check parent backup
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self.assertEqual(
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page_backup_id,
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self.show_pb(
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backup_dir, 'node',
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backup_id=show_backup['ID'])["parent-backup-id"])
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_smooth_checkpoint(self):
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"""full backup with smooth checkpoint"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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initdb_params=['--data-checksums'],
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pg_options={'wal_level': 'replica'}
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)
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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.start()
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self.backup_node(
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backup_dir, 'node', node,
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options=["-C"])
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self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "OK")
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node.stop()
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_incremental_backup_without_full(self):
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"""page-level backup without validated full backup"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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initdb_params=['--data-checksums'],
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pg_options={'wal_level': 'replica', 'ptrack_enable': 'on'}
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)
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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.start()
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try:
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self.backup_node(backup_dir, 'node', node, backup_type="page")
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# we should die here because exception is what we expect to happen
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self.assertEqual(
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1, 0,
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"Expecting Error because page backup should not be possible "
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"without valid full backup.\n 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: Valid backup on current timeline is not found. "
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"Create new FULL backup before an incremental one.",
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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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sleep(1)
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try:
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self.backup_node(backup_dir, 'node', node, backup_type="ptrack")
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# we should die here because exception is what we expect to happen
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self.assertEqual(
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1, 0,
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"Expecting Error because page backup should not be possible "
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"without valid full backup.\n 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: Valid backup on current timeline is not found. "
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"Create new FULL backup before an incremental one.",
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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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self.show_pb(backup_dir, 'node')[0]['Status'],
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"ERROR")
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_incremental_backup_corrupt_full(self):
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"""page-level backup with corrupted full backup"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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initdb_params=['--data-checksums'],
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pg_options={'wal_level': 'replica', 'ptrack_enable': 'on'}
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)
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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.start()
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backup_id = self.backup_node(backup_dir, 'node', node)
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file = os.path.join(
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backup_dir, "backups", "node", backup_id,
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"database", "postgresql.conf")
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os.remove(file)
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try:
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self.validate_pb(backup_dir, 'node')
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# we should die here because exception is what we expect to happen
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self.assertEqual(
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1, 0,
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"Expecting Error because of validation of corrupted backup.\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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"INFO: Validate backups of the instance 'node'\n" in e.message and
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"WARNING: Backup file \"{0}\" is not found\n".format(
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file) in e.message and
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"WARNING: Backup {0} data files are corrupted\n".format(
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backup_id) in e.message and
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"INFO: Some backups are not valid\n" 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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try:
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self.backup_node(backup_dir, 'node', node, backup_type="page")
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# we should die here because exception is what we expect to happen
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self.assertEqual(
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1, 0,
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"Expecting Error because page backup should not be possible "
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"without valid full backup.\n 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: Valid backup on current timeline is not found. "
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"Create new FULL backup before an incremental one.",
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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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self.show_pb(backup_dir, 'node', backup_id)['status'], "CORRUPT")
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self.assertEqual(
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self.show_pb(backup_dir, 'node')[1]['Status'], "ERROR")
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_ptrack_threads(self):
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"""ptrack multi thread backup mode"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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initdb_params=['--data-checksums'],
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pg_options={'wal_level': 'replica', 'ptrack_enable': 'on'}
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)
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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.start()
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self.backup_node(
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backup_dir, 'node', node,
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backup_type="full", options=["-j", "4"])
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self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "OK")
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self.backup_node(
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backup_dir, 'node', node,
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backup_type="ptrack", options=["-j", "4"])
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self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "OK")
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_ptrack_threads_stream(self):
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"""ptrack multi thread backup mode and stream"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True,
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initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'ptrack_enable': 'on',
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'max_wal_senders': '2'}
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)
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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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node.start()
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self.backup_node(
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backup_dir, 'node', node, backup_type="full",
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options=["-j", "4", "--stream"])
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self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "OK")
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self.backup_node(
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backup_dir, 'node', node,
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backup_type="ptrack", options=["-j", "4", "--stream"])
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self.assertEqual(self.show_pb(backup_dir, 'node')[1]['Status'], "OK")
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_page_corruption_heal_via_ptrack_1(self):
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"""make node, corrupt some page, check that backup failed"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True,
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initdb_params=['--data-checksums'],
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pg_options={'wal_level': 'replica', 'max_wal_senders': '2'}
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)
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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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node.start()
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self.backup_node(
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backup_dir, 'node', node,
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backup_type="full", options=["-j", "4", "--stream"])
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node.safe_psql(
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"postgres",
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"create table t_heap as select 1 as id, md5(i::text) as text, "
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"md5(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,1000) i")
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node.safe_psql(
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"postgres",
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"CHECKPOINT;")
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heap_path = node.safe_psql(
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"postgres",
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"select pg_relation_filepath('t_heap')").rstrip()
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with open(os.path.join(node.data_dir, heap_path), "rb+", 0) as f:
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f.seek(9000)
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f.write(b"bla")
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f.flush()
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f.close
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self.backup_node(
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backup_dir, 'node', node, backup_type="full",
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options=["-j", "4", "--stream", '--log-level-file=verbose'])
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# open log file and check
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with open(os.path.join(backup_dir, 'log', 'pg_probackup.log')) as f:
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log_content = f.read()
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self.assertIn('block 1, try to fetch via SQL', log_content)
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self.assertIn('SELECT pg_ptrack_get_block', log_content)
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f.close
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self.assertTrue(
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self.show_pb(backup_dir, 'node')[1]['Status'] == 'OK',
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"Backup Status should be OK")
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_page_corruption_heal_via_ptrack_2(self):
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"""make node, corrupt some page, check that backup failed"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True,
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initdb_params=['--data-checksums'],
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pg_options={'wal_level': 'replica', 'max_wal_senders': '2'}
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)
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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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node.start()
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self.backup_node(
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backup_dir, 'node', node, backup_type="full",
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options=["-j", "4", "--stream"])
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node.safe_psql(
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"postgres",
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"create table t_heap as select 1 as id, md5(i::text) as text, "
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"md5(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,1000) i")
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node.safe_psql(
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"postgres",
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"CHECKPOINT;")
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heap_path = node.safe_psql(
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"postgres",
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"select pg_relation_filepath('t_heap')").rstrip()
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node.stop()
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with open(os.path.join(node.data_dir, heap_path), "rb+", 0) as f:
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f.seek(9000)
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f.write(b"bla")
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f.flush()
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f.close
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node.start()
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try:
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self.backup_node(
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backup_dir, 'node', node,
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backup_type="full", options=["-j", "4", "--stream"])
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# we should die here because exception is what we expect to happen
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self.assertEqual(
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1, 0,
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"Expecting Error because of page "
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"corruption in PostgreSQL instance.\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: File" in e.message and
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"blknum" in e.message and
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"have wrong checksum" in e.message and
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"try to fetch via SQL" in e.message and
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"WARNING: page verification failed, "
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"calculated checksum" in e.message and
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"ERROR: query failed: "
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"ERROR: invalid page in block" in e.message and
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"query was: SELECT pg_ptrack_get_block_2" 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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self.assertTrue(
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self.show_pb(backup_dir, 'node')[1]['Status'] == 'ERROR',
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"Backup Status should be ERROR")
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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@unittest.expectedFailure
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def test_tablespace_in_pgdata_pgpro_1376(self):
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"""PGPRO-1376 """
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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set_replication=True,
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initdb_params=['--data-checksums'],
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pg_options={'wal_level': 'replica', 'max_wal_senders': '2'}
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)
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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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node.start()
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self.create_tblspace_in_node(
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node, 'tblspace1',
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tblspc_path=(os.path.join(node.data_dir, 'pg_clog', '100500'))
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)
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node.safe_psql(
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"postgres",
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"create table t_heap tablespace tblspace1 as select 1 as id, "
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"md5(i::text) as text, "
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"md5(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,1000) i")
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self.backup_node(
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backup_dir, 'node', node, backup_type="full",
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options=["-j", "4", "--stream"])
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relfilenode = node.safe_psql(
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"postgres",
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"select 't_heap'::regclass::oid"
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).rstrip()
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list = []
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for root, dirs, files in os.walk(backup_dir):
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for file in files:
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if file == relfilenode:
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path = os.path.join(root, file)
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list = list + [path]
|
|
|
|
if len(list) > 0:
|
|
message = ""
|
|
for string in list:
|
|
message = message + string + "\n"
|
|
self.assertEqual(
|
|
1, 0,
|
|
"Following file copied twice by backup:\n {0}".format(
|
|
message)
|
|
)
|