mirror of
https://github.com/postgrespro/pg_probackup.git
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232 lines
10 KiB
Python
232 lines
10 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 testgres import stop_all, clean_all
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import shutil
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class BackupTest(ProbackupTest, unittest.TestCase):
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def __init__(self, *args, **kwargs):
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super(BackupTest, self).__init__(*args, **kwargs)
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self.module_name = 'backup'
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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(base_dir="{0}/{1}/node".format(self.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, self.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(backup_dir, "backups", 'node', backup_id, "database")
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for f in os.listdir(db_dir):
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if os.path.isfile(os.path.join(db_dir, f)) \
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and (f == "postmaster.pid" or f == "postmaster.opts"):
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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(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(backup_dir, 'node', 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(backup_dir, 'node', backup_id=show_backup['ID'])["parent-backup-id"])
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# Clean after yourself
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self.del_test_dir(self.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(base_dir="{0}/{1}/node".format(self.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, self.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(backup_dir, 'node' ,node, 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(self.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(base_dir="{0}/{1}/node".format(self.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, self.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(1, 0, "Expecting Error because page backup should not be possible 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.assertEqual(e.message,
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'ERROR: Valid backup on current timeline is not found. Create new FULL backup before an incremental one.\n',
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(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(1, 0, "Expecting Error because page backup should not be possible 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.assertEqual(e.message,
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'ERROR: Valid backup on current timeline is not found. Create new FULL backup before an incremental one.\n',
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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self.assertEqual(self.show_pb(backup_dir, 'node')[0]['Status'], "ERROR")
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# Clean after yourself
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self.del_test_dir(self.module_name, fname)
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# @unittest.expectedFailure
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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(base_dir="{0}/{1}/node".format(self.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, self.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(backup_dir, "backups", "node", backup_id, "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(1, 0, "Expecting Error because of validation of corrupted 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.assertTrue("INFO: Validate backups of the instance 'node'\n" in e.message
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and 'WARNING: Backup file "{0}" is not found\n'.format(file) in e.message
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and "WARNING: Backup {0} is corrupted\n".format(backup_id) in e.message
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and "INFO: Some backups are not valid\n" in e.message,
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"\n Unexpected Error Message: {0}\n CMD: {1}".format(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(1, 0, "Expecting Error because page backup should not be possible 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.assertEqual(e.message,
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"ERROR: Valid backup on current timeline is not found. Create new FULL backup before an incremental one.\n",
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"\n Unexpected Error Message: {0}\n CMD: {1}".format(repr(e.message), self.cmd))
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# sleep(1)
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self.assertEqual(self.show_pb(backup_dir, 'node', backup_id)['status'], "CORRUPT")
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self.assertEqual(self.show_pb(backup_dir, 'node')[1]['Status'], "ERROR")
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# Clean after yourself
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self.del_test_dir(self.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(base_dir="{0}/{1}/node".format(self.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, self.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(backup_dir, 'node', node, 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(backup_dir, 'node', node, 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(self.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(base_dir="{0}/{1}/node".format(self.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', 'ptrack_enable': 'on', 'max_wal_senders': '2'}
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)
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backup_dir = os.path.join(self.tmp_path, self.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(backup_dir, 'node', node, backup_type="full", 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(backup_dir, 'node', node, 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(self.module_name, fname)
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