mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-04 10:44:46 +02:00
379 lines
13 KiB
Python
379 lines
13 KiB
Python
import unittest
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import os
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from time import sleep
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from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
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from .helpers.cfs_helpers import find_by_name
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import shutil
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module_name = 'external'
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class ExternalTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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# @unittest.expectedFailure
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def test_external_simple(self):
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"""
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make node, create external directory, take backup
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with external directory, restore backup, check that
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external directory was successfully copied
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"""
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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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initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica'})
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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external_dir = self.get_tblspace_path(node, 'somedirectory')
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# create directory in external_directory
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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# FULL backup
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self.backup_node(
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backup_dir, 'node', node, backup_type="full",
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options=["-j", "4", "--stream"])
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# Fill external directories
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self.restore_node(
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backup_dir, 'node', node,
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data_dir=external_dir, options=["-j", "4"])
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# Full backup with external dir
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self.backup_node(
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backup_dir, 'node', node,
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options=[
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'--external-dirs={0}'.format(external_dir)])
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if self.paranoia:
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pgdata = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs'])
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node.cleanup()
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shutil.rmtree(external_dir, ignore_errors=True)
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self.restore_node(
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backup_dir, 'node', node, options=["-j", "4"])
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if self.paranoia:
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pgdata_restored = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs'])
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self.compare_pgdata(pgdata, pgdata_restored)
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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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# @unittest.expectedFailure
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def test_external_none(self):
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"""
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make node, create external directory, take backup
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with external directory, take delta backup with --external-dirs=none,
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restore delta backup, check that
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external directory was not copied
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"""
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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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initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica'})
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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external_dir = self.get_tblspace_path(node, 'somedirectory')
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# create directory in external_directory
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self.init_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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# FULL backup
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self.backup_node(
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backup_dir, 'node', node, backup_type="full",
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options=["-j", "4", "--stream"])
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# Fill external directories with data
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self.restore_node(
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backup_dir, 'node', node,
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data_dir=external_dir, options=["-j", "4"])
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# Full backup with external dir
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self.backup_node(
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backup_dir, 'node', node,
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options=[
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'--external-dirs={0}'.format(external_dir)])
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# Delta backup without external directory
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self.backup_node(
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backup_dir, 'node', node, backup_type="delta",
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options=['--external-dirs=none'])
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pgdata = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs', 'somedirectory'])
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node.cleanup()
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shutil.rmtree(external_dir, ignore_errors=True)
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self.restore_node(
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backup_dir, 'node', node, options=["-j", "4"])
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pgdata_restored = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs'])
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self.compare_pgdata(pgdata, pgdata_restored)
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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_external_dir_mapping(self):
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"""
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make node, take full backup, check that restore with
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external-dir mapping will end with error, take page backup,
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check that restore with external-dir mapping will end with
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success
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"""
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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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pg_options={
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'wal_level': 'replica',
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'max_wal_senders': '2'})
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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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self.backup_node(
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backup_dir, 'node', node, backup_type="full",
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options=["-j", "4", "--stream"])
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external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
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external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
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# copy postgresql.conf to external_directory
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os.mkdir(external_dir1_old)
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os.mkdir(external_dir2_old)
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shutil.copyfile(
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os.path.join(node.data_dir, 'postgresql.conf'),
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os.path.join(external_dir1_old, 'postgresql.conf'))
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shutil.copyfile(
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os.path.join(node.data_dir, 'postgresql.conf'),
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os.path.join(external_dir2_old, 'postgresql.conf'))
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node_restored = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node_restored'))
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node_restored.cleanup()
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external_dir1_new = self.get_tblspace_path(node_restored, 'external_dir1')
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external_dir2_new = self.get_tblspace_path(node_restored, 'external_dir2')
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try:
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self.restore_node(
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backup_dir, 'node', node_restored,
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options=[
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"-j", "4",
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"--external-mapping={0}={1}".format(
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external_dir1_old, external_dir1_new),
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"--external-mapping={0}={1}".format(
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external_dir2_old, external_dir2_new)])
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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 tablespace mapping is incorrect"
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"\n 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.assertTrue(
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'ERROR: --external-mapping option' in e.message and
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'have an entry in list of external directories' in 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.backup_node(
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backup_dir, 'node', node, backup_type="delta",
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options=[
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"-j", "4", "--stream",
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"-E", "{0}:{1}".format(external_dir1_old, external_dir2_old)])
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pgdata = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs'])
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self.restore_node(
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backup_dir, 'node', node_restored,
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options=[
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"-j", "4",
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"--external-mapping={0}={1}".format(
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external_dir1_old, external_dir1_new),
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"--external-mapping={0}={1}".format(
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external_dir2_old, external_dir2_new)])
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pgdata_restored = self.pgdata_content(
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node_restored.base_dir, exclude_dirs=['logs'])
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self.compare_pgdata(pgdata, pgdata_restored)
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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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# @unittest.expectedFailure
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def test_backup_multiple_external(self):
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"""make node, """
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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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initdb_params=['--data-checksums'],
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pg_options={
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'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)
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self.add_instance(backup_dir, 'node', node)
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self.set_archiving(backup_dir, 'node', node)
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node.slow_start()
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external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
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external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
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# FULL backup
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self.backup_node(
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backup_dir, 'node', node, backup_type="full",
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options=["-j", "4", "--stream"])
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# fill external directories with data
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self.restore_node(
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backup_dir, 'node', node,
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data_dir=external_dir1_old, options=["-j", "4"])
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self.restore_node(
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backup_dir, 'node', node,
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data_dir=external_dir2_old, options=["-j", "4"])
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self.set_config(
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backup_dir, 'node',
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options=[
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'-E', external_dir1_old])
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# cmdline option MUST override options in config
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self.backup_node(
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backup_dir, 'node', node, backup_type="delta",
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options=[
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"-j", "4", "--stream",
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"-E", "{0}".format(external_dir2_old)])
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pgdata = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs', 'external_dir1'])
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node.cleanup()
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shutil.rmtree(external_dir1_old, ignore_errors=True)
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shutil.rmtree(external_dir2_old, ignore_errors=True)
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self.restore_node(
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backup_dir, 'node', node,
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options=["-j", "4"])
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pgdata_restored = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs'])
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self.compare_pgdata(pgdata, pgdata_restored)
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.expectedFailure
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# @unittest.skip("skip")
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def test_external_backward_compatibility(self):
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"""Description in jira issue PGPRO-434"""
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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=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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pg_options={
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'max_wal_senders': '2',
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'autovacuum': 'off'})
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self.init_pb(backup_dir, old_binary=True)
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self.show_pb(backup_dir)
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self.add_instance(backup_dir, 'node', node, old_binary=True)
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self.show_pb(backup_dir)
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node.slow_start()
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node.pgbench_init(scale=10)
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# FULL backup with old binary without external dirs support
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self.backup_node(
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backup_dir, 'node', node,
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old_binary=True, options=["-j", "4", "--stream"])
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external_dir1_old = self.get_tblspace_path(node, 'external_dir1')
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external_dir2_old = self.get_tblspace_path(node, 'external_dir2')
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# fill external directories with data
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self.restore_node(
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backup_dir, 'node', node,
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data_dir=external_dir1_old, options=["-j", "4"])
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self.restore_node(
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backup_dir, 'node', node,
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data_dir=external_dir2_old, options=["-j", "4"])
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# delta backup with external directories using new binary
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self.backup_node(
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backup_dir, 'node', node, backup_type="delta",
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options=[
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"-j", "4", "--stream",
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"-E", "{0}:{1}".format(
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external_dir1_old,
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external_dir2_old)])
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pgdata = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs'])
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# RESTORE chain with new binary
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node_restored = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node_restored'))
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node_restored.cleanup()
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external_dir1_new = self.get_tblspace_path(node_restored, 'external_dir1')
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external_dir2_new = self.get_tblspace_path(node_restored, 'external_dir2')
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self.restore_node(
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backup_dir, 'node', node_restored,
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options=[
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"-j", "4",
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"--external-mapping={0}={1}".format(external_dir1_old, external_dir1_new),
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"--external-mapping={0}={1}".format(external_dir2_old, external_dir2_new)])
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pgdata_restored = self.pgdata_content(
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node_restored.base_dir, exclude_dirs=['logs'])
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self.compare_pgdata(pgdata, pgdata_restored)
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# external directory contain symlink to file
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# external directory contain symlink to directory
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# latest page backup without external_dir
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# multiple external directories +
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# --external-dirs=none +
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# --external-dirs point to a file
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# external directory in config and in command line +
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# external directory contain multuple directories, some of them my be empty +
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# forbid to external-dirs to point to tablespace directories
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# check that not changed files are not copied by next backup +
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# merge
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# complex merge
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