1
0
mirror of https://github.com/postgrespro/pg_probackup.git synced 2024-12-04 10:44:46 +02:00
pg_probackup/tests/external.py

1241 lines
43 KiB
Python

import unittest
import os
from time import sleep
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
from .helpers.cfs_helpers import find_by_name
import shutil
module_name = 'external'
class ExternalTest(ProbackupTest, unittest.TestCase):
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_external_simple(self):
"""
make node, create external directory, take backup
with external directory, restore backup, check that
external directory was successfully copied
"""
fname = self.id().split('.')[3]
core_dir = os.path.join(self.tmp_path, module_name, fname)
shutil.rmtree(core_dir, ignore_errors=True)
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2'})
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
external_dir = self.get_tblspace_path(node, 'somedirectory')
# create directory in external_directory
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# take FULL backup with external directory pointing to a file
file_path = os.path.join(core_dir, 'file')
open(file_path,"w+")
try:
self.backup_node(
backup_dir, 'node', node, backup_type="full",
options=[
'--external-dirs={0}'.format(file_path)])
# we should die here because exception is what we expect to happen
self.assertEqual(
1, 0,
"Expecting Error because external dir point to a file"
"\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertIn(
'ERROR: --external-dirs option "{0}": '
'directory or symbolic link expected\n'.format(file_path),
e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
repr(e.message), self.cmd))
# FULL backup
self.backup_node(
backup_dir, 'node', node, backup_type="full",
options=["-j", "4", "--stream"])
# Fill external directories
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir, options=["-j", "4"])
# Full backup with external dir
self.backup_node(
backup_dir, 'node', node,
options=[
'--external-dirs={0}'.format(external_dir)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
node.cleanup()
shutil.rmtree(external_dir, ignore_errors=True)
self.restore_node(
backup_dir, 'node', node, options=["-j", "4"])
pgdata_restored = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_external_none(self):
"""
make node, create external directory, take backup
with external directory, take delta backup with --external-dirs=none,
restore delta backup, check that
external directory was not copied
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2'})
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
external_dir = self.get_tblspace_path(node, 'somedirectory')
# create directory in external_directory
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL backup
self.backup_node(
backup_dir, 'node', node, backup_type="full",
options=["-j", "4", "--stream"])
# Fill external directories with data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir, options=["-j", "4"])
# Full backup with external dir
self.backup_node(
backup_dir, 'node', node,
options=[
'--external-dirs={0}'.format(external_dir)])
# Delta backup without external directory
self.backup_node(
backup_dir, 'node', node, backup_type="delta")
# options=['--external-dirs=none'])
shutil.rmtree(external_dir, ignore_errors=True)
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
node.cleanup()
self.restore_node(
backup_dir, 'node', node, options=["-j", "4"])
pgdata_restored = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_external_dir_mapping(self):
"""
make node, take full backup, check that restore with
external-dir mapping will end with error, take page backup,
check that restore with external-dir mapping will end with
success
"""
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={
'max_wal_senders': '2'})
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.backup_node(
backup_dir, 'node', node, backup_type="full",
options=["-j", "4", "--stream"])
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
# Fill external directories with data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
node_restored = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_restored'))
node_restored.cleanup()
external_dir1_new = self.get_tblspace_path(node_restored, 'external_dir1')
external_dir2_new = self.get_tblspace_path(node_restored, 'external_dir2')
try:
self.restore_node(
backup_dir, 'node', node_restored,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(
external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(
external_dir2_old, external_dir2_new)])
# we should die here because exception is what we expect to happen
self.assertEqual(
1, 0,
"Expecting Error because tablespace mapping is incorrect"
"\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
'ERROR: --external-mapping option' in e.message and
'have an entry in list of external directories' in e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
repr(e.message), self.cmd))
self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(external_dir1_old, external_dir2_old)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.restore_node(
backup_dir, 'node', node_restored,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(
external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(
external_dir2_old, external_dir2_new)])
pgdata_restored = self.pgdata_content(
node_restored.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_backup_multiple_external(self):
"""check that cmdline has priority over config"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2'})
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
# FULL backup
self.backup_node(
backup_dir, 'node', node, backup_type="full",
options=["-j", "4", "--stream"])
# fill external directories with data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
self.set_config(
backup_dir, 'node',
options=[
'-E', external_dir1_old])
# cmdline option MUST override options in config
self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}".format(external_dir2_old)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs', 'external_dir1'])
node.cleanup()
shutil.rmtree(external_dir1_old, ignore_errors=True)
shutil.rmtree(external_dir2_old, ignore_errors=True)
self.restore_node(
backup_dir, 'node', node,
options=["-j", "4"])
pgdata_restored = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_backward_compatibility(self):
"""
take backup with old binary without external dirs support
take delta backup with new binary and 2 external directories
restore delta backup, check that incremental chain
restored correctly
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir, old_binary=True)
self.show_pb(backup_dir)
self.add_instance(backup_dir, 'node', node, old_binary=True)
self.show_pb(backup_dir)
node.slow_start()
node.pgbench_init(scale=5)
# FULL backup with old binary without external dirs support
self.backup_node(
backup_dir, 'node', node,
old_binary=True, options=["-j", "4", "--stream"])
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
# fill external directories with data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
pgbench = node.pgbench(options=['-T', '30', '-c', '1', '--no-vacuum'])
pgbench.wait()
# FULL backup
backup_id = self.backup_node(
backup_dir, 'node', node,
old_binary=True, options=["-j", "4", "--stream"])
# fill external directories with changed data
shutil.rmtree(external_dir1_old, ignore_errors=True)
shutil.rmtree(external_dir2_old, ignore_errors=True)
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
self.delete_pb(backup_dir, 'node', backup_id=backup_id)
# delta backup with external directories using new binary
self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
# RESTORE chain with new binary
node_restored = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_restored'))
node_restored.cleanup()
external_dir1_new = self.get_tblspace_path(node_restored, 'external_dir1')
external_dir2_new = self.get_tblspace_path(node_restored, 'external_dir2')
self.restore_node(
backup_dir, 'node', node_restored,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(external_dir2_old, external_dir2_new)])
pgdata_restored = self.pgdata_content(
node_restored.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_backward_compatibility_merge_1(self):
"""
take backup with old binary without external dirs support
take delta backup with new binary and 2 external directories
merge delta backup ajd restore it
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir, old_binary=True)
self.show_pb(backup_dir)
self.add_instance(backup_dir, 'node', node, old_binary=True)
self.show_pb(backup_dir)
node.slow_start()
node.pgbench_init(scale=5)
# tmp FULL backup with old binary
tmp_id = self.backup_node(
backup_dir, 'node', node,
old_binary=True, options=["-j", "4", "--stream"])
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
# fill external directories with data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
self.delete_pb(backup_dir, 'node', backup_id=tmp_id)
# FULL backup with old binary without external dirs support
self.backup_node(
backup_dir, 'node', node,
old_binary=True, options=["-j", "4", "--stream"])
pgbench = node.pgbench(options=['-T', '30', '-c', '1'])
pgbench.wait()
# delta backup with external directories using new binary
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
# Merge chain chain with new binary
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
# Restore merged backup
node_restored = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_restored'))
node_restored.cleanup()
external_dir1_new = self.get_tblspace_path(node_restored, 'external_dir1')
external_dir2_new = self.get_tblspace_path(node_restored, 'external_dir2')
self.restore_node(
backup_dir, 'node', node_restored,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(external_dir2_old, external_dir2_new)])
pgdata_restored = self.pgdata_content(
node_restored.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_backward_compatibility_merge_2(self):
"""
take backup with old binary without external dirs support
take delta backup with new binary and 2 external directories
merge delta backup ajd restore it
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir, old_binary=True)
self.show_pb(backup_dir)
self.add_instance(backup_dir, 'node', node, old_binary=True)
self.show_pb(backup_dir)
node.slow_start()
node.pgbench_init(scale=5)
# tmp FULL backup with old binary
tmp_id = self.backup_node(
backup_dir, 'node', node,
old_binary=True, options=["-j", "4", "--stream"])
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
# fill external directories with data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
self.delete_pb(backup_dir, 'node', backup_id=tmp_id)
# FULL backup with old binary without external dirs support
self.backup_node(
backup_dir, 'node', node,
old_binary=True, options=["-j", "4", "--stream"])
pgbench = node.pgbench(options=['-T', '30', '-c', '1'])
pgbench.wait()
# delta backup with external directories using new binary
self.backup_node(
backup_dir, 'node', node,
backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
pgbench = node.pgbench(options=['-T', '30', '-c', '1'])
pgbench.wait()
# Fill external dirs with changed data
shutil.rmtree(external_dir1_old, ignore_errors=True)
shutil.rmtree(external_dir2_old, ignore_errors=True)
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old,
options=['-j', '4', '--skip-external-dirs'])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old,
options=['-j', '4', '--skip-external-dirs'])
# delta backup without external directories using old binary
backup_id = self.backup_node(
backup_dir, 'node', node,
backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
# Merge chain chain with new binary
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
# Restore merged backup
node_restored = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_restored'))
node_restored.cleanup()
external_dir1_new = self.get_tblspace_path(node_restored, 'external_dir1')
external_dir2_new = self.get_tblspace_path(node_restored, 'external_dir2')
self.restore_node(
backup_dir, 'node', node_restored,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(external_dir2_old, external_dir2_new)])
pgdata_restored = self.pgdata_content(
node_restored.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_merge(self):
""""""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
node.pgbench_init(scale=5)
# FULL backup with old binary without external dirs support
self.backup_node(
backup_dir, 'node', node, options=["-j", "4", "--stream"])
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
# fill external directories with data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
pgbench = node.pgbench(options=['-T', '30', '-c', '1', '--no-vacuum'])
pgbench.wait()
shutil.rmtree(external_dir1_old, ignore_errors=True)
shutil.rmtree(external_dir2_old, ignore_errors=True)
# FULL backup
backup_id = self.backup_node(
backup_dir, 'node', node,
old_binary=True, options=["-j", "4", "--stream"])
# fill external directories with changed data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
self.delete_pb(backup_dir, 'node', backup_id=backup_id)
# delta backup with external directories using new binary
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
# RESTORE
node.cleanup()
shutil.rmtree(node.base_dir, ignore_errors=True)
external_dir1_new = self.get_tblspace_path(node, 'external_dir1')
external_dir2_new = self.get_tblspace_path(node, 'external_dir2')
self.restore_node(
backup_dir, 'node', node,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(external_dir2_old, external_dir2_new)])
pgdata_restored = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_merge_1(self):
""""""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
node.pgbench_init(scale=5)
# FULL backup with old data
backup_id_1 = self.backup_node(
backup_dir, 'node', node, options=["-j", "4", "--stream"])
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
pgbench = node.pgbench(options=['-T', '30', '-c', '1', '--no-vacuum'])
pgbench.wait()
# FULL backup with new data
backup_id_2 = self.backup_node(
backup_dir, 'node', node,
options=["-j", "4", "--stream"])
# fill external directories with old data
self.restore_node(
backup_dir, 'node', node, backup_id=backup_id_1,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node, backup_id=backup_id_1,
data_dir=external_dir2_old, options=["-j", "4"])
# FULL backup with external directories
self.backup_node(
backup_dir, 'node', node,
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
# drop old external data
shutil.rmtree(external_dir1_old, ignore_errors=True)
shutil.rmtree(external_dir2_old, ignore_errors=True)
# fill external directories with new data
self.restore_node(
backup_dir, 'node', node, backup_id=backup_id_2,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node, backup_id=backup_id_2,
data_dir=external_dir2_old, options=["-j", "4"])
# drop now not needed backups
# DELTA backup with external directories
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
shutil.rmtree(external_dir1_old, ignore_errors=True)
shutil.rmtree(external_dir2_old, ignore_errors=True)
# merge backups without external directories
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
# RESTORE
node.cleanup()
shutil.rmtree(node.base_dir, ignore_errors=True)
external_dir1_new = self.get_tblspace_path(node, 'external_dir1')
external_dir2_new = self.get_tblspace_path(node, 'external_dir2')
self.restore_node(
backup_dir, 'node', node,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(external_dir2_old, external_dir2_new)])
pgdata_restored = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_merge_single(self):
""""""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
node.pgbench_init(scale=5)
# FULL backup
self.backup_node(
backup_dir, 'node', node, options=["-j", "4", "--stream"])
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
pgbench = node.pgbench(options=['-T', '30', '-c', '1', '--no-vacuum'])
pgbench.wait()
# FULL backup with changed data
backup_id = self.backup_node(
backup_dir, 'node', node,
options=["-j", "4", "--stream"])
# fill external directories with changed data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
self.delete_pb(backup_dir, 'node', backup_id=backup_id)
# delta backup with external directories using new binary
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
# RESTORE
node.cleanup()
shutil.rmtree(node.base_dir, ignore_errors=True)
external_dir1_new = self.get_tblspace_path(node, 'external_dir1')
external_dir2_new = self.get_tblspace_path(node, 'external_dir2')
self.restore_node(
backup_dir, 'node', node,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(external_dir2_old, external_dir2_new)])
pgdata_restored = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_merge_double(self):
""""""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
node.pgbench_init(scale=5)
# FULL backup
self.backup_node(
backup_dir, 'node', node, options=["-j", "4", "--stream"])
external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
pgbench = node.pgbench(options=['-T', '30', '-c', '1', '--no-vacuum'])
pgbench.wait()
# FULL backup
backup_id = self.backup_node(
backup_dir, 'node', node,
options=["-j", "4", "--stream"])
# fill external directories with changed data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1_old, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2_old, options=["-j", "4"])
self.delete_pb(backup_dir, 'node', backup_id=backup_id)
# delta backup with external directories
self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
# delta backup with external directories
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type="delta",
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1_old,
external_dir2_old)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
shutil.rmtree(external_dir1_old, ignore_errors=True)
shutil.rmtree(external_dir2_old, ignore_errors=True)
# delta backup without external directories
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
# RESTORE
node.cleanup()
shutil.rmtree(node.base_dir, ignore_errors=True)
external_dir1_new = self.get_tblspace_path(node, 'external_dir1')
external_dir2_new = self.get_tblspace_path(node, 'external_dir2')
self.restore_node(
backup_dir, 'node', node,
options=[
"-j", "4",
"--external-mapping={0}={1}".format(external_dir1_old, external_dir1_new),
"--external-mapping={0}={1}".format(external_dir2_old, external_dir2_new)])
pgdata_restored = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_restore_skip_external(self):
"""
Check that --skip-external-dirs works correctly
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
external_dir1 = self.get_tblspace_path(node, 'external_dir1')
external_dir2 = self.get_tblspace_path(node, 'external_dir2')
node.pgbench_init(scale=3)
# temp FULL backup
backup_id = self.backup_node(
backup_dir, 'node', node, options=["-j", "4", "--stream"])
# fill external directories with data
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir1, options=["-j", "4"])
self.restore_node(
backup_dir, 'node', node,
data_dir=external_dir2, options=["-j", "4"])
self.delete_pb(backup_dir, 'node', backup_id=backup_id)
# FULL backup with external directories
self.backup_node(
backup_dir, 'node', node,
options=[
"-j", "4", "--stream",
"-E", "{0}:{1}".format(
external_dir1,
external_dir2)])
# delete first externals, so pgdata_compare
# will be capable of detecting redundant
# external files after restore
shutil.rmtree(external_dir1, ignore_errors=True)
shutil.rmtree(external_dir2, ignore_errors=True)
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
# RESTORE
node.cleanup()
shutil.rmtree(node.base_dir, ignore_errors=True)
self.restore_node(
backup_dir, 'node', node,
options=[
"-j", "4", "--skip-external-dirs"])
pgdata_restored = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_dir_is_symlink(self):
"""
Check that backup works correctly if external dir is symlink,
symlink pointing to external dir should be followed,
but restored as directory
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
core_dir = os.path.join(self.tmp_path, module_name, fname)
shutil.rmtree(core_dir, ignore_errors=True)
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
external_dir = self.get_tblspace_path(node, 'external_dir')
node.pgbench_init(scale=3)
# temp FULL backup
backup_id = self.backup_node(
backup_dir, 'node', node, options=["-j", "4", "--stream"])
# fill some directory with data
core_dir = os.path.join(self.tmp_path, module_name, fname)
symlinked_dir = os.path.join(core_dir, 'symlinked')
self.restore_node(
backup_dir, 'node', node,
data_dir=symlinked_dir, options=["-j", "4"])
# drop temp FULL backup
self.delete_pb(backup_dir, 'node', backup_id=backup_id)
# create symlink to directory in external directory
os.symlink(symlinked_dir, external_dir)
# FULL backup with external directories
backup_id = self.backup_node(
backup_dir, 'node', node,
options=[
"-j", "4", "--stream",
"-E", "{0}".format(
external_dir)])
pgdata = self.pgdata_content(
node.base_dir, exclude_dirs=['logs'])
node_restored = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_restored'))
# RESTORE
node_restored.cleanup()
external_dir_new = self.get_tblspace_path(
node_restored, 'external_dir')
self.restore_node(
backup_dir, 'node', node_restored,
options=[
"-j", "4", "--external-mapping={0}={1}".format(
external_dir, external_dir_new)])
pgdata_restored = self.pgdata_content(
node_restored.base_dir, exclude_dirs=['logs'])
self.compare_pgdata(pgdata, pgdata_restored)
self.assertEqual(
external_dir,
self.show_pb(
backup_dir, 'node',
backup_id=backup_id)['external-dirs'])
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.expectedFailure
# @unittest.skip("skip")
def test_external_dir_is_tablespace(self):
"""
Check that backup fails with error
if external directory points to tablespace
"""
fname = self.id().split('.')[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
core_dir = os.path.join(self.tmp_path, module_name, fname)
shutil.rmtree(core_dir, ignore_errors=True)
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
set_replication=True,
initdb_params=['--data-checksums'],
pg_options={
'max_wal_senders': '2',
'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
node.slow_start()
external_dir = self.get_tblspace_path(node, 'external_dir')
self.create_tblspace_in_node(
node, 'tblspace1', tblspc_path=external_dir)
node.pgbench_init(scale=3, tablespace='tblspace1')
# FULL backup with external directories
try:
backup_id = self.backup_node(
backup_dir, 'node', node,
options=[
"-j", "4", "--stream",
"-E", "{0}".format(
external_dir)])
# we should die here because exception is what we expect to happen
self.assertEqual(
1, 0,
"Expecting Error because external dir points to the tablespace"
"\n Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
'Insert correct message' in e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
repr(e.message), self.cmd))
# Clean after yourself
self.del_test_dir(module_name, fname)
# external directory contain symlink to file
# external directory contain symlink to directory
# external directory is symlink +
# latest page backup without external_dir +
# multiple external directories +
# --external-dirs=none +
# --external-dirs point to a file +
# external directory in config and in command line +
# external directory contain multuple directories, some of them my be empty +
# forbid to external-dirs to point to tablespace directories
# check that not changed files are not copied by next backup +
# merge +
# complex merge +