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pg_probackup/tests/logging.py

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import unittest
import os
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
import datetime
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module_name = 'logging'
class LogTest(ProbackupTest, unittest.TestCase):
# @unittest.skip("skip")
# @unittest.expectedFailure
# PGPRO-2154
def test_log_rotation(self):
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
self.set_config(
backup_dir, 'node',
options=['--log-rotation-age=1s', '--log-rotation-size=1MB'])
self.backup_node(
backup_dir, 'node', node,
options=['--stream', '--log-level-file=verbose'])
gdb = self.backup_node(
backup_dir, 'node', node,
options=['--stream', '--log-level-file=verbose'], gdb=True)
gdb.set_breakpoint('open_logfile')
gdb.run_until_break()
gdb.continue_execution_until_exit()
# Clean after yourself
self.del_test_dir(module_name, fname)
def test_log_filename_strftime(self):
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
self.set_config(
backup_dir, 'node',
options=['--log-rotation-age=1d'])
self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
'--log-level-file=VERBOSE',
'--log-filename=pg_probackup-%a.log'])
day_of_week = datetime.datetime.today().strftime("%a")
path = os.path.join(
backup_dir, 'log', 'pg_probackup-{0}.log'.format(day_of_week))
self.assertTrue(os.path.isfile(path))
# Clean after yourself
self.del_test_dir(module_name, fname)
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def test_truncate_rotation_file(self):
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
self.set_config(
backup_dir, 'node',
options=['--log-rotation-age=1d'])
self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
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'--log-level-file=VERBOSE'])
rotation_file_path = os.path.join(
backup_dir, 'log', 'pg_probackup.log.rotation')
log_file_path = os.path.join(
backup_dir, 'log', 'pg_probackup.log')
log_file_size = os.stat(log_file_path).st_size
self.assertTrue(os.path.isfile(rotation_file_path))
# truncate .rotation file
with open(rotation_file_path, "rb+", 0) as f:
f.truncate()
f.flush()
f.close
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output = self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
'--log-level-file=LOG'],
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return_id=False)
# check that log file wasn`t rotated
self.assertGreater(
os.stat(log_file_path).st_size,
log_file_size)
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self.assertIn(
'WARNING: cannot read creation timestamp from rotation file',
output)
output = self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
'--log-level-file=LOG'],
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return_id=False)
# check that log file wasn`t rotated
self.assertGreater(
os.stat(log_file_path).st_size,
log_file_size)
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self.assertNotIn(
'WARNING:',
output)
self.assertTrue(os.path.isfile(rotation_file_path))
# Clean after yourself
self.del_test_dir(module_name, fname)
def test_unlink_rotation_file(self):
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
self.set_config(
backup_dir, 'node',
options=['--log-rotation-age=1d'])
self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
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'--log-level-file=VERBOSE'])
rotation_file_path = os.path.join(
backup_dir, 'log', 'pg_probackup.log.rotation')
log_file_path = os.path.join(
backup_dir, 'log', 'pg_probackup.log')
log_file_size = os.stat(log_file_path).st_size
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self.assertTrue(os.path.isfile(rotation_file_path))
# unlink .rotation file
os.unlink(rotation_file_path)
output = self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
'--log-level-file=LOG'],
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return_id=False)
# check that log file wasn`t rotated
self.assertGreater(
os.stat(log_file_path).st_size,
log_file_size)
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self.assertIn(
'WARNING: missing rotation file:',
output)
self.assertTrue(os.path.isfile(rotation_file_path))
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output = self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
'--log-level-file=VERBOSE'],
return_id=False)
self.assertNotIn(
'WARNING:',
output)
# check that log file wasn`t rotated
self.assertGreater(
os.stat(log_file_path).st_size,
log_file_size)
# Clean after yourself
self.del_test_dir(module_name, fname)
def test_garbage_in_rotation_file(self):
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
self.set_config(
backup_dir, 'node',
options=['--log-rotation-age=1d'])
self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
'--log-level-file=VERBOSE'])
rotation_file_path = os.path.join(
backup_dir, 'log', 'pg_probackup.log.rotation')
log_file_path = os.path.join(
backup_dir, 'log', 'pg_probackup.log')
log_file_size = os.stat(log_file_path).st_size
self.assertTrue(os.path.isfile(rotation_file_path))
# mangle .rotation file
with open(rotation_file_path, "wtb", 0) as f:
f.write(b"blah")
f.flush()
f.close
output = self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
'--log-level-file=LOG'],
return_id=False)
# check that log file wasn`t rotated
self.assertGreater(
os.stat(log_file_path).st_size,
log_file_size)
self.assertIn(
'WARNING: rotation file "{0}" has wrong '
'creation timestamp'.format(rotation_file_path),
output)
self.assertTrue(os.path.isfile(rotation_file_path))
output = self.backup_node(
backup_dir, 'node', node,
options=[
'--stream',
'--log-level-file=LOG'],
return_id=False)
self.assertNotIn(
'WARNING:',
output)
# check that log file wasn`t rotated
self.assertGreater(
os.stat(log_file_path).st_size,
log_file_size)
# Clean after yourself
self.del_test_dir(module_name, fname)