mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-01 09:51:43 +02:00
443 lines
15 KiB
Python
443 lines
15 KiB
Python
import os
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import unittest
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from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
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from datetime import datetime, timedelta
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import subprocess
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from testgres import QueryException
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import shutil
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import sys
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import time
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module_name = 'checkdb'
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class CheckdbTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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def test_checkdb_amcheck_only_sanity(self):
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""""""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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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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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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node.slow_start()
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node.safe_psql(
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"postgres",
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"create table t_heap as select i"
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" as id from generate_series(0,100) i")
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node.safe_psql(
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"postgres",
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"create index on t_heap(id)")
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try:
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node.safe_psql(
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"postgres",
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"create extension amcheck")
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except QueryException as e:
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node.safe_psql(
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"postgres",
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"create extension amcheck_next")
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log_file_path = os.path.join(
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backup_dir, 'log', 'pg_probackup.log')
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# simple sanity
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try:
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self.checkdb_node(
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options=['--skip-block-validation'])
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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 --amcheck option is missing\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: Option '--skip-block-validation' must be "
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"used with '--amcheck' option",
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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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# simple sanity
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output = self.checkdb_node(
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options=[
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'--amcheck',
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'--skip-block-validation',
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'-d', 'postgres', '-p', str(node.port)])
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self.assertIn(
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'INFO: Checkdb --amcheck executed successfully',
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output)
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self.assertIn(
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'INFO: Indexes are valid',
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output)
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# logging to file sanity
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try:
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self.checkdb_node(
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options=[
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'--amcheck',
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'--skip-block-validation',
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'--log-level-file=verbose',
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'-d', 'postgres','-p', str(node.port)])
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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 log_directory missing\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: Cannot save checkdb logs to a file. "
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"You must specify --log-directory option when "
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"running checkdb with --log-level-file option enabled",
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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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# If backup_dir provided, then instance name must be
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# provided too
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try:
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self.checkdb_node(
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backup_dir,
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options=[
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'--amcheck',
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'--skip-block-validation',
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'--log-level-file=verbose',
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'-d', 'postgres', '-p', str(node.port)])
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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 log_directory missing\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: required parameter not specified: --instance",
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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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# checkdb can use default or set in config values,
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# if backup_dir and instance name are provided
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self.checkdb_node(
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backup_dir,
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'node',
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options=[
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'--amcheck',
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'--skip-block-validation',
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'--log-level-file=verbose',
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'-d', 'postgres', '-p', str(node.port)])
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# check that file present and full of messages
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os.path.isfile(log_file_path)
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with open(log_file_path) as f:
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log_file_content = f.read()
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self.assertIn(
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'INFO: Checkdb --amcheck executed successfully',
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log_file_content)
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self.assertIn(
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'VERBOSE: (query)',
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log_file_content)
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os.unlink(log_file_path)
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# log-level-file and log-directory are provided
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self.checkdb_node(
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backup_dir,
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'node',
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options=[
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'--amcheck',
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'--skip-block-validation',
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'--log-level-file=verbose',
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'--log-directory={0}'.format(
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os.path.join(backup_dir, 'log')),
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'-d', 'postgres', '-p', str(node.port)])
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# check that file present and full of messages
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os.path.isfile(log_file_path)
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with open(log_file_path) as f:
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log_file_content = f.read()
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self.assertIn(
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'INFO: Checkdb --amcheck executed successfully',
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log_file_content)
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self.assertIn(
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'VERBOSE: (query)',
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log_file_content)
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os.unlink(log_file_path)
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gdb = self.checkdb_node(
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gdb=True,
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options=[
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'--amcheck',
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'--skip-block-validation',
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'--log-level-file=verbose',
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'--log-directory={0}'.format(
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os.path.join(backup_dir, 'log')),
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'-d', 'postgres', '-p', str(node.port)])
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gdb.set_breakpoint('amcheck_one_index')
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gdb.run_until_break()
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node.safe_psql(
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"postgres",
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"drop table t_heap")
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gdb.remove_all_breakpoints()
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gdb.continue_execution_until_exit()
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# check that message about missing index is present
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with open(log_file_path) as f:
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log_file_content = f.read()
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self.assertIn(
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'ERROR: Checkdb --amcheck failed',
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log_file_content)
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self.assertIn(
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"WARNING: Thread [1]. Amcheck failed for index: 'public.t_heap_id_idx':",
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log_file_content)
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self.assertIn(
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'ERROR: could not open relation with OID',
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log_file_content)
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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_checkdb_amcheck_only_sanity_1(self):
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""""""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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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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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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node.slow_start()
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# create two databases
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node.safe_psql("postgres", "create database db1")
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try:
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node.safe_psql(
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"db1",
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"create extension amcheck")
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except QueryException as e:
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node.safe_psql(
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"db1",
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"create extension amcheck_next")
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node.safe_psql("postgres", "create database db2")
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try:
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node.safe_psql(
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"db2",
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"create extension amcheck")
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except QueryException as e:
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node.safe_psql(
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"db2",
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"create extension amcheck_next")
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# init pgbench in two databases and corrupt both indexes
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node.pgbench_init(scale=5, dbname='db1')
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node.pgbench_init(scale=5, dbname='db2')
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node.safe_psql(
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"db2",
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"alter index pgbench_accounts_pkey rename to some_index")
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index_path_1 = os.path.join(
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node.data_dir,
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node.safe_psql(
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"db1",
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"select pg_relation_filepath('pgbench_accounts_pkey')").rstrip())
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index_path_2 = os.path.join(
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node.data_dir,
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node.safe_psql(
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"db2",
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"select pg_relation_filepath('some_index')").rstrip())
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try:
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self.checkdb_node(
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options=[
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'--amcheck',
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'--skip-block-validation',
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'-d', 'postgres', '-p', str(node.port)])
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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 some db was not amchecked"
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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: Some databases were not amchecked",
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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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node.stop()
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# Let`s do index corruption
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with open(index_path_1, "rb+", 0) as f:
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f.seek(42000)
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f.write(b"blablahblahs")
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f.flush()
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f.close
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with open(index_path_2, "rb+", 0) as f:
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f.seek(42000)
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f.write(b"blablahblahs")
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f.flush()
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f.close
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node.slow_start()
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log_file_path = os.path.join(
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backup_dir, 'log', 'pg_probackup.log')
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try:
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self.checkdb_node(
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options=[
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'--amcheck',
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'--skip-block-validation',
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'--log-level-file=verbose',
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'--log-directory={0}'.format(
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os.path.join(backup_dir, 'log')),
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'-d', 'postgres', '-p', str(node.port)])
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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 some db was not amchecked"
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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: Checkdb --amcheck failed",
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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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# corruption of both indexes in db1 and db2 must be detected
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# also the that amcheck is not installed in 'postgres'
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# musted be logged
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with open(log_file_path) as f:
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log_file_content = f.read()
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self.assertIn(
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"WARNING: Thread [1]. Amcheck failed for index: 'public.pgbench_accounts_pkey':",
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log_file_content)
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self.assertIn(
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"WARNING: Thread [1]. Amcheck failed for index: 'public.some_index':",
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log_file_content)
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self.assertIn(
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"ERROR: Checkdb --amcheck failed",
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log_file_content)
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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_checkdb_block_validation_sanity(self):
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"""make node, corrupt some pages, check that checkdb 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=os.path.join(module_name, fname, 'node'),
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set_replication=True,
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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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node.slow_start()
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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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# sanity
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try:
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self.checkdb_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 pgdata must be specified\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: required parameter not specified: PGDATA (-D, --pgdata)",
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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.checkdb_node(
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data_dir=node.data_dir,
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options=['-d', 'postgres', '-p', str(node.port)])
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self.checkdb_node(
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backup_dir, 'node',
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options=['-d', 'postgres', '-p', str(node.port)])
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heap_full_path = os.path.join(node.data_dir, heap_path)
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with open(heap_full_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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with open(heap_full_path, "rb+", 0) as f:
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f.seek(42000)
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f.write(b"bla")
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f.flush()
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f.close
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try:
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self.checkdb_node(
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backup_dir, 'node',
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options=['-d', 'postgres', '-p', str(node.port)])
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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 data corruption\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: Checkdb failed",
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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.assertIn(
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"WARNING: CORRUPTION in file {0}, block 1".format(heap_full_path),
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e.message)
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self.assertIn(
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"WARNING: CORRUPTION in file {0}, block 5".format(heap_full_path),
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e.message)
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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