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tests: additional tests for external directories
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7f81494290
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@ -1172,6 +1172,179 @@ class ExternalTest(ProbackupTest, unittest.TestCase):
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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_dir_contain_symlink_on_dir(self):
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"""
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Check that backup works correctly if external dir is symlink,
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symlink pointing to external dir should be followed,
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but restored as directory
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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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core_dir = os.path.join(self.tmp_path, module_name, fname)
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shutil.rmtree(core_dir, ignore_errors=True)
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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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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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external_dir = self.get_tblspace_path(node, 'external_dir')
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dir_in_external_dir = os.path.join(external_dir, 'dir')
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node.pgbench_init(scale=3)
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# temp FULL backup
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backup_id = self.backup_node(
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backup_dir, 'node', node, options=["-j", "4", "--stream"])
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# fill some directory with data
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core_dir = os.path.join(self.tmp_path, module_name, fname)
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symlinked_dir = os.path.join(core_dir, 'symlinked')
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self.restore_node(
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backup_dir, 'node', node,
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data_dir=symlinked_dir, options=["-j", "4"])
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# drop temp FULL backup
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self.delete_pb(backup_dir, 'node', backup_id=backup_id)
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# create symlink to directory in external directory
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print(symlinked_dir)
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print(dir_in_external_dir)
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os.mkdir(external_dir)
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os.symlink(symlinked_dir, dir_in_external_dir)
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# FULL backup with external directories
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backup_id = self.backup_node(
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backup_dir, 'node', node,
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options=[
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"-j", "4", "--stream",
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"-E", "{0}".format(
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external_dir)])
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pgdata = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs'])
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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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# RESTORE
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node_restored.cleanup()
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external_dir_new = self.get_tblspace_path(
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node_restored, 'external_dir')
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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", "--external-mapping={0}={1}".format(
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external_dir, external_dir_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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self.assertEqual(
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external_dir,
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self.show_pb(
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backup_dir, 'node',
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backup_id=backup_id)['external-dirs'])
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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_dir_contain_symlink_on_file(self):
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"""
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Check that backup works correctly if external dir is symlink,
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symlink pointing to external dir should be followed,
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but restored as directory
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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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core_dir = os.path.join(self.tmp_path, module_name, fname)
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shutil.rmtree(core_dir, ignore_errors=True)
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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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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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external_dir = self.get_tblspace_path(node, 'external_dir')
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file_in_external_dir = os.path.join(external_dir, 'file')
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node.pgbench_init(scale=3)
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# temp FULL backup
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backup_id = self.backup_node(
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backup_dir, 'node', node, options=["-j", "4", "--stream"])
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# fill some directory with data
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core_dir = os.path.join(self.tmp_path, module_name, fname)
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symlinked_dir = os.path.join(core_dir, 'symlinked')
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self.restore_node(
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backup_dir, 'node', node,
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data_dir=symlinked_dir, options=["-j", "4"])
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# drop temp FULL backup
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self.delete_pb(backup_dir, 'node', backup_id=backup_id)
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# create symlink to directory in external directory
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src_file = os.path.join(symlinked_dir, 'postgresql.conf')
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os.mkdir(external_dir)
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os.symlink(src_file, file_in_external_dir)
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# FULL backup with external directories
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backup_id = self.backup_node(
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backup_dir, 'node', node,
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options=[
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"-j", "4", "--stream",
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"-E", "{0}".format(
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external_dir)])
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pgdata = self.pgdata_content(
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node.base_dir, exclude_dirs=['logs'])
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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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# RESTORE
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node_restored.cleanup()
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external_dir_new = self.get_tblspace_path(
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node_restored, 'external_dir')
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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", "--external-mapping={0}={1}".format(
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external_dir, external_dir_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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self.assertEqual(
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external_dir,
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self.show_pb(
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backup_dir, 'node',
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backup_id=backup_id)['external-dirs'])
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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_dir_is_tablespace(self):
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