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synced 2025-07-14 06:54:15 +02:00
validate rework, self.cmd and self.output added
This commit is contained in:
Grigory Smolkin
@ -1,11 +1,13 @@
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import unittest
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import os
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import six
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from .ptrack_helpers import ProbackupTest, ProbackupException
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from helpers.ptrack_helpers import ProbackupTest, ProbackupException
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#from helpers.expected_errors import satisfying_full_backup_not_found, wal_corruption
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from datetime import datetime, timedelta
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from testgres import stop_all
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import subprocess
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from sys import exit
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import re
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class ValidateTest(ProbackupTest, unittest.TestCase):
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@ -17,10 +19,14 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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def tearDownClass(cls):
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stop_all()
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#@unittest.skip("skip")
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#@unittest.expectedFailure
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# @unittest.skip("skip")
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# @unittest.expectedFailure
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def test_validate_wal_unreal_values(self):
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"""recovery to latest from full backup"""
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"""
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make node with archiving
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make archive backup
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validate to both real and unreal values
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(base_dir="tmp_dirs/validate/{0}".format(fname),
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set_archiving=True,
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@ -35,7 +41,7 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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con.execute("CREATE TABLE tbl0005 (a text)")
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con.commit()
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self.backup_pb(node)
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backup_id = self.backup_pb(node)
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node.pgbench_init(scale=2)
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pgbench = node.pgbench(
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@ -47,32 +53,32 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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pgbench.wait()
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pgbench.stdout.close()
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backup_id = self.show_pb(node)[0]['ID']
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target_time = self.show_pb(node)[0]['Recovery time']
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after_backup_time = datetime.now()
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target_time = self.show_pb(node, id=backup_id)['recovery-time']
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after_backup_time = datetime.now().replace(second=0, microsecond=0)
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# Validate to real time
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self.assertIn(six.b("INFO: backup validation completed successfully on"),
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self.validate_pb(node, options=["--time='{0}'".format(target_time)]))
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# Validate to unreal time
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unreal_time_1 = after_backup_time - timedelta(days=2)
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try:
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self.validate_pb(node, options=["--time='{:%Y-%m-%d %H:%M:%S}'".format(
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after_backup_time - timedelta(days=2))])
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# we should die here because exception is what we expect to happen
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self.assertEqual(1, 0, "Error in validation is expected because of validation of unreal time")
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self.validate_pb(node, options=["--time='{0}'".format(unreal_time_1)])
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self.assertEqual(1, 0, "Expecting Error because of validation to unreal time.\n Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException, e:
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self.assertEqual(
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e.message,
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'ERROR: Full backup satisfying target options is not found.\n')
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self.assertEqual(e.message, 'ERROR: Full backup satisfying target options is not found.\n',
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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# Validate to unreal time #2
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unreal_time_2 = after_backup_time + timedelta(days=2)
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try:
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self.validate_pb(node, options=["--time='{:%Y-%m-%d %H:%M:%S}'".format(
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after_backup_time + timedelta(days=2))])
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self.assertEqual(1, 0, "Error in validation is expected because of validation unreal time")
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self.validate_pb(node, options=["--time='{0}'".format(unreal_time_2)])
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self.assertEqual(1, 0, "Expecting Error because of validation to unreal time.\n Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException, e:
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self.assertEqual(True, 'ERROR: not enough WAL records to time' in e.message)
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self.assertTrue(re.match('WARNING: recovery can be done up to time [0-9-: ]+ and xid \d+\nERROR: not enough WAL records to time {0}\n\Z'.format(unreal_time_2), e.message),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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# Validate to real xid
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target_xid = None
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@ -83,21 +89,31 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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node.execute("postgres", "SELECT pg_switch_xlog()")
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self.assertIn(six.b("INFO: backup validation completed successfully on"),
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self.validate_pb(node, options=["--xid=%s" % target_xid]))
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self.validate_pb(node, options=["--xid={0}".format(target_xid)]))
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# Validate to unreal xid
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unreal_xid = int(target_xid) + 1000
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try:
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self.validate_pb(node, options=["--xid=%d" % (int(target_xid) + 1000)])
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self.assertEqual(1, 0, "Error in validation is expected because of validation of unreal xid")
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self.validate_pb(node, options=["--xid={0}".format(unreal_xid)])
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self.assertEqual(1, 0, "Expecting Error because of validation to unreal xid.\n Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException, e:
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self.assertEqual(True, 'ERROR: not enough WAL records to xid' in e.message)
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self.assertTrue(re.match('WARNING: recovery can be done up to time [0-9-: ]+ and xid \d+\nERROR: not enough WAL records to xid \d+\n\Z', e.message),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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# Validate with backup ID
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self.assertIn(six.b("INFO: backup validation completed successfully on"),
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self.validate_pb(node, backup_id))
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def test_validate_broken_wal_1(self):
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"""recovery to latest from full backup"""
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# @unittest.skip("skip")
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def test_validate_corrupt_wal_1(self):
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"""
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make node with archiving
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make archive backup
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corrupt all wal files
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run validate, expecting error because of wal corruption
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make sure that backup status is 'CORRUPT'
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(base_dir="tmp_dirs/validate/{0}".format(fname),
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set_archiving=True,
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@ -126,16 +142,25 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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# Simple validate
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try:
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self.validate_pb(node)
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self.assertEqual(1, 0, "Expecting Error because of wal corruption. THIS IS BAD")
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self.assertEqual(1, 0, "Expecting Error because of wal segments corruption.\n Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException, e:
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self.assertEqual(True, 'Possible WAL CORRUPTION' in e.message)
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#TODO assert correct error message
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self.assertTrue(re.match('Possible WAL CORRUPTION\Z', e.message),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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self.assertEqual('CORRUPT', self.show_pb(node, id=backup_id)['status'], 'Backup STATUS should be "CORRUPT"')
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node.stop()
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def test_validate_broken_wal_2(self):
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"""recovery to latest from full backup"""
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# @unittest.skip("skip")
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def test_validate_corrupt_wal_2(self):
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"""
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make node with archiving
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make archive backup
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corrupt all wal files
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run validate to real xid, expecting error because of wal corruption
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make sure that backup status is 'CORRUPT'
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(base_dir="tmp_dirs/validate/{0}".format(fname),
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set_archiving=True,
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@ -167,19 +192,28 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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f.write(six.b("blablabla"))
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f.close
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# Simple validate
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# Validate to xid
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try:
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self.validate_pb(node, backup_id, options=['--xid=%s' % target_xid])
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self.assertEqual(1, 0, "Expecting Error because of wal corruption. THIS IS BAD")
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self.validate_pb(node, backup_id, options=['--xid={0}'.format(target_xid)])
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self.assertEqual(1, 0, "Expecting Error because of wal segments corruption.\n Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException, e:
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self.assertEqual(True, 'Possible WAL CORRUPTION' in e.message)
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#TODO assert correct error message
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self.assertTrue(re.match('Possible WAL CORRUPTION\Z', e.message),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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self.assertEqual('CORRUPT', self.show_pb(node, id=backup_id)['status'], 'Backup STATUS should be "CORRUPT"')
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node.stop()
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@unittest.skip("skip")
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# @unittest.skip("skip")
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def test_validate_wal_lost_segment_1(self):
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"""Loose segment which belong to some backup"""
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"""
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make node with archiving
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make archive backup
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delete from archive wal segment which belong to previous backup
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run validate, expecting error because of missing wal segment
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make sure that backup status is 'CORRUPT'
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(base_dir="tmp_dirs/validate/{0}".format(fname),
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set_archiving=True,
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@ -202,18 +236,38 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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# Delete wal segment
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wals_dir = os.path.join(self.backup_dir(node), "wal")
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wals = [f for f in os.listdir(wals_dir) if os.path.isfile(os.path.join(wals_dir, f)) and not f.endswith('.backup')]
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os.remove(os.path.join(self.backup_dir(node), "wal", wals[1]))
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file = os.path.join(self.backup_dir(node), "wal", wals[1])
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os.remove(file)
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try:
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self.validate_pb(node)
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self.assertEqual(1, 0, "Expecting Error because of wal segment disappearance")
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self.assertEqual(1, 0, "Expecting Error because of wal segment disappearance.\n Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException, e:
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self.assertEqual(True, 'is absent' in e.message)
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self.assertTrue(re.match('WARNING: WAL segment "{0}" is absent\nERROR: there are not enough WAL records to restore from [0-9a-fA-F\/]+ to [0-9a-fA-F\/]+\n\Z'.format(
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file), e.message),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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self.assertEqual('CORRUPT', self.show_pb(node, id=backup_id)['status'], 'Backup STATUS should be "CORRUPT"')
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self.assertEqual('CORRUPT', self.show_pb(node, id=backup_id)['status'], 'Backup {0} should have STATUS "CORRUPT"')
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# Be paranoid and run validate again
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try:
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self.validate_pb(node)
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self.assertEqual(1, 0, "Expecting Error because of backup corruption.\n Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException, e:
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self.assertTrue(re.match('ERROR: Backup {0} has status: CORRUPT\n\Z'.format(backup_id), e.message),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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node.stop()
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# @unittest.skip("skip")
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def test_validate_wal_lost_segment_2(self):
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"""Loose segment located between backups"""
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"""
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make node with archiving
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make archive backup
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delete from archive wal segment which DO NOT belong to previous backup
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run validate, expecting error because of missing wal segment
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make sure that backup status is 'ERROR'
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"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(base_dir="tmp_dirs/validate/{0}".format(fname),
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set_archiving=True,
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@ -239,12 +293,17 @@ class ValidateTest(ProbackupTest, unittest.TestCase):
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wals_dir = os.path.join(self.backup_dir(node), "wal")
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wals = [f for f in os.listdir(wals_dir) if os.path.isfile(os.path.join(wals_dir, f)) and not f.endswith('.backup')]
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wals = map(int, wals)
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os.remove(os.path.join(self.backup_dir(node), "wal", '0000000' + str(max(wals))))
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file = os.path.join(self.backup_dir(node), "wal", '0000000' + str(max(wals)))
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os.remove(file)
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# Need more accurate error message about loosing wal segment between backups
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try:
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self.backup_pb(node, backup_type='page')
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self.assertEqual(1, 0, "Expecting Error in PAGE backup because of wal segment disappearance")
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backup_id = self.backup_pb(node, backup_type='page')
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self.assertEqual(1, 0, "Expecting Error because of wal segment disappearance.\n Output: {0} \n CMD: {1}".format(
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self.output, self.cmd))
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except ProbackupException, e:
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self.assertEqual(True, 'is absent' in e.message)
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self.assertTrue(re.match('INFO: wait for LSN [0-9a-fA-F\/]+ in archived WAL segment .*\nWARNING: could not read WAL record at [0-9a-fA-F\/]+\nERROR: WAL segment "{0}" is absent\n\Z'.format(
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file), e.message),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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self.assertEqual('ERROR', self.show_pb(node)[1]['Status'], 'Backup {0} should have STATUS "ERROR"')
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node.stop()
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