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pg_probackup/tests/pgpro560.py

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import os
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import unittest
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException, idx_ptrack
from datetime import datetime, timedelta
import subprocess
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module_name = 'pgpro560'
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class CheckSystemID(ProbackupTest, unittest.TestCase):
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_pgpro560_control_file_loss(self):
"""
https://jira.postgrespro.ru/browse/PGPRO-560
make node with stream support, delete control file
make backup
check that backup failed
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica'})
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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)
self.add_instance(backup_dir, 'node', node)
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node.slow_start()
file = os.path.join(node.base_dir,'data', 'global', 'pg_control')
os.remove(file)
try:
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self.backup_node(backup_dir, 'node', node, options=['--stream'])
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because pg_control was deleted.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
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'ERROR: could not open file' in e.message
and 'pg_control' in e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
# Clean after yourself
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self.del_test_dir(module_name, fname)
def test_pgpro560_systemid_mismatch(self):
"""
https://jira.postgrespro.ru/browse/PGPRO-560
make node1 and node2
feed to backup PGDATA from node1 and PGPORT from node2
check that backup failed
"""
fname = self.id().split('.')[3]
node1 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node1'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica'})
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node1.slow_start()
node2 = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node2'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={'wal_level': 'replica'})
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node2.slow_start()
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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)
self.add_instance(backup_dir, 'node1', node1)
try:
self.backup_node(backup_dir, 'node1', node2, options=['--stream'])
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# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because of SYSTEM ID mismatch.\n Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
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'ERROR: Backup data directory was initialized for system id' in e.message
and 'but connected instance system id is' 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:
self.backup_node(backup_dir, 'node1', node2, data_dir=node1.data_dir, options=['--stream'])
# we should die here because exception is what we expect to happen
self.assertEqual(1, 0, "Expecting Error because of of SYSTEM ID mismatch.\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
'ERROR: Backup data directory was initialized for system id' in e.message
and 'but connected instance system id is' in e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(repr(e.message), self.cmd))
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# Clean after yourself
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self.del_test_dir(module_name, fname)