# coding: utf-8 import unittest import os from .helpers.ptrack_helpers import ProbackupTest, ProbackupException import shutil from datetime import datetime, timedelta module_name = "merge" class MergeTest(ProbackupTest, unittest.TestCase): def test_merge_full_page(self): """ Test MERGE command, it merges FULL backup with target PAGE backups """ fname = self.id().split(".")[3] backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup") # Initialize instance and backup directory node = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node'), initdb_params=["--data-checksums"] ) self.init_pb(backup_dir) self.add_instance(backup_dir, "node", node) self.set_archiving(backup_dir, "node", node) node.slow_start() # Do full backup self.backup_node(backup_dir, "node", node) show_backup = self.show_pb(backup_dir, "node")[0] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "FULL") # Fill with data with node.connect() as conn: conn.execute("create table test (id int)") conn.execute( "insert into test select i from generate_series(1,10) s(i)") conn.commit() # Do first page backup self.backup_node(backup_dir, "node", node, backup_type="page") show_backup = self.show_pb(backup_dir, "node")[1] # sanity check self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "PAGE") # Fill with data with node.connect() as conn: conn.execute( "insert into test select i from generate_series(1,10) s(i)") count1 = conn.execute("select count(*) from test") conn.commit() # Do second page backup self.backup_node(backup_dir, "node", node, backup_type="page") show_backup = self.show_pb(backup_dir, "node")[2] page_id = show_backup["id"] if self.paranoia: pgdata = self.pgdata_content(node.data_dir) # sanity check self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "PAGE") # Merge all backups self.merge_backup(backup_dir, "node", page_id, options=["-j", "4"]) show_backups = self.show_pb(backup_dir, "node") # sanity check self.assertEqual(len(show_backups), 1) self.assertEqual(show_backups[0]["status"], "OK") self.assertEqual(show_backups[0]["backup-mode"], "FULL") # Drop node and restore it node.cleanup() self.restore_node(backup_dir, 'node', node) # Check physical correctness if self.paranoia: pgdata_restored = self.pgdata_content( node.data_dir, ignore_ptrack=False) self.compare_pgdata(pgdata, pgdata_restored) node.slow_start() # Check restored node count2 = node.execute("postgres", "select count(*) from test") self.assertEqual(count1, count2) # Clean after yourself node.cleanup() self.del_test_dir(module_name, fname) def test_merge_compressed_backups(self): """ Test MERGE command with compressed backups """ fname = self.id().split(".")[3] backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup") # Initialize instance and backup directory node = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node'), initdb_params=["--data-checksums"] ) self.init_pb(backup_dir) self.add_instance(backup_dir, "node", node) self.set_archiving(backup_dir, "node", node) node.slow_start() # Do full compressed backup self.backup_node(backup_dir, "node", node, options=[ '--compress-algorithm=zlib']) show_backup = self.show_pb(backup_dir, "node")[0] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "FULL") # Fill with data with node.connect() as conn: conn.execute("create table test (id int)") conn.execute( "insert into test select i from generate_series(1,10) s(i)") count1 = conn.execute("select count(*) from test") conn.commit() # Do compressed page backup self.backup_node( backup_dir, "node", node, backup_type="page", options=['--compress-algorithm=zlib']) show_backup = self.show_pb(backup_dir, "node")[1] page_id = show_backup["id"] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "PAGE") # Merge all backups self.merge_backup(backup_dir, "node", page_id) show_backups = self.show_pb(backup_dir, "node") self.assertEqual(len(show_backups), 1) self.assertEqual(show_backups[0]["status"], "OK") self.assertEqual(show_backups[0]["backup-mode"], "FULL") # Drop node and restore it node.cleanup() self.restore_node(backup_dir, 'node', node) node.slow_start() # Check restored node count2 = node.execute("postgres", "select count(*) from test") self.assertEqual(count1, count2) # Clean after yourself node.cleanup() self.del_test_dir(module_name, fname) def test_merge_compressed_backups_1(self): """ Test MERGE command with compressed backups """ fname = self.id().split(".")[3] backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup") # Initialize instance and backup directory node = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node'), initdb_params=["--data-checksums"], pg_options={ 'autovacuum': 'off' } ) self.init_pb(backup_dir) self.add_instance(backup_dir, "node", node) self.set_archiving(backup_dir, "node", node) node.slow_start() # Fill with data node.pgbench_init(scale=5) # Do compressed FULL backup self.backup_node(backup_dir, "node", node, options=[ '--compress-algorithm=zlib', '--stream']) show_backup = self.show_pb(backup_dir, "node")[0] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "FULL") # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum']) pgbench.wait() # Do compressed DELTA backup self.backup_node( backup_dir, "node", node, backup_type="delta", options=['--compress-algorithm=zlib', '--stream']) # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum']) pgbench.wait() # Do compressed PAGE backup self.backup_node( backup_dir, "node", node, backup_type="page", options=['--compress-algorithm=zlib']) pgdata = self.pgdata_content(node.data_dir) show_backup = self.show_pb(backup_dir, "node")[2] page_id = show_backup["id"] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "PAGE") # Merge all backups self.merge_backup(backup_dir, "node", page_id) show_backups = self.show_pb(backup_dir, "node") self.assertEqual(len(show_backups), 1) self.assertEqual(show_backups[0]["status"], "OK") self.assertEqual(show_backups[0]["backup-mode"], "FULL") # Drop node and restore it node.cleanup() self.restore_node(backup_dir, 'node', node) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) # Clean after yourself node.cleanup() self.del_test_dir(module_name, fname) def test_merge_compressed_and_uncompressed_backups(self): """ Test MERGE command with compressed and uncompressed backups """ fname = self.id().split(".")[3] backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup") # Initialize instance and backup directory node = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node'), initdb_params=["--data-checksums"], pg_options={ 'autovacuum': 'off' } ) self.init_pb(backup_dir) self.add_instance(backup_dir, "node", node) self.set_archiving(backup_dir, "node", node) node.slow_start() # Fill with data node.pgbench_init(scale=5) # Do compressed FULL backup self.backup_node(backup_dir, "node", node, options=[ '--compress-algorithm=zlib', '--stream']) show_backup = self.show_pb(backup_dir, "node")[0] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "FULL") # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum']) pgbench.wait() # Do compressed DELTA backup self.backup_node( backup_dir, "node", node, backup_type="delta", options=['--compress-algorithm=zlib', '--stream']) # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum']) pgbench.wait() # Do uncompressed PAGE backup self.backup_node( backup_dir, "node", node, backup_type="page") pgdata = self.pgdata_content(node.data_dir) show_backup = self.show_pb(backup_dir, "node")[2] page_id = show_backup["id"] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "PAGE") # Merge all backups self.merge_backup(backup_dir, "node", page_id) show_backups = self.show_pb(backup_dir, "node") self.assertEqual(len(show_backups), 1) self.assertEqual(show_backups[0]["status"], "OK") self.assertEqual(show_backups[0]["backup-mode"], "FULL") # Drop node and restore it node.cleanup() self.restore_node(backup_dir, 'node', node) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) # Clean after yourself node.cleanup() self.del_test_dir(module_name, fname) def test_merge_compressed_and_uncompressed_backups_1(self): """ Test MERGE command with compressed and uncompressed backups """ fname = self.id().split(".")[3] backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup") # Initialize instance and backup directory node = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node'), initdb_params=["--data-checksums"], pg_options={ 'autovacuum': 'off' } ) self.init_pb(backup_dir) self.add_instance(backup_dir, "node", node) self.set_archiving(backup_dir, "node", node) node.slow_start() # Fill with data node.pgbench_init(scale=5) # Do compressed FULL backup self.backup_node(backup_dir, "node", node, options=[ '--compress-algorithm=zlib', '--stream']) show_backup = self.show_pb(backup_dir, "node")[0] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "FULL") # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum']) pgbench.wait() # Do uncompressed DELTA backup self.backup_node( backup_dir, "node", node, backup_type="delta", options=['--stream']) # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum']) pgbench.wait() # Do compressed PAGE backup self.backup_node( backup_dir, "node", node, backup_type="page", options=['--compress-algorithm=zlib']) pgdata = self.pgdata_content(node.data_dir) show_backup = self.show_pb(backup_dir, "node")[2] page_id = show_backup["id"] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "PAGE") # Merge all backups self.merge_backup(backup_dir, "node", page_id) show_backups = self.show_pb(backup_dir, "node") self.assertEqual(len(show_backups), 1) self.assertEqual(show_backups[0]["status"], "OK") self.assertEqual(show_backups[0]["backup-mode"], "FULL") # Drop node and restore it node.cleanup() self.restore_node(backup_dir, 'node', node) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) # Clean after yourself node.cleanup() self.del_test_dir(module_name, fname) def test_merge_compressed_and_uncompressed_backups_2(self): """ Test MERGE command with compressed and uncompressed backups """ fname = self.id().split(".")[3] backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup") # Initialize instance and backup directory node = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node'), initdb_params=["--data-checksums"], pg_options={ 'autovacuum': 'off' } ) self.init_pb(backup_dir) self.add_instance(backup_dir, "node", node) self.set_archiving(backup_dir, "node", node) node.slow_start() # Fill with data node.pgbench_init(scale=5) # Do uncompressed FULL backup self.backup_node(backup_dir, "node", node) show_backup = self.show_pb(backup_dir, "node")[0] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "FULL") # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum']) pgbench.wait() # Do compressed DELTA backup self.backup_node( backup_dir, "node", node, backup_type="delta", options=['--compress-algorithm=zlib', '--stream']) # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum']) pgbench.wait() # Do uncompressed PAGE backup self.backup_node( backup_dir, "node", node, backup_type="page") pgdata = self.pgdata_content(node.data_dir) show_backup = self.show_pb(backup_dir, "node")[2] page_id = show_backup["id"] self.assertEqual(show_backup["status"], "OK") self.assertEqual(show_backup["backup-mode"], "PAGE") # Merge all backups self.merge_backup(backup_dir, "node", page_id) show_backups = self.show_pb(backup_dir, "node") self.assertEqual(len(show_backups), 1) self.assertEqual(show_backups[0]["status"], "OK") self.assertEqual(show_backups[0]["backup-mode"], "FULL") # Drop node and restore it node.cleanup() self.restore_node(backup_dir, 'node', node) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) # Clean after yourself node.cleanup() self.del_test_dir(module_name, fname) # @unittest.skip("skip") def test_merge_tablespaces(self): """ Create tablespace with table, take FULL backup, create another tablespace with another table and drop previous tablespace, take page backup, merge it and restore """ 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={ 'autovacuum': 'off' } ) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() self.create_tblspace_in_node(node, 'somedata') node.safe_psql( "postgres", "create table t_heap tablespace somedata as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,100) i" ) # FULL backup self.backup_node(backup_dir, 'node', node) # Create new tablespace self.create_tblspace_in_node(node, 'somedata1') node.safe_psql( "postgres", "create table t_heap1 tablespace somedata1 as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,100) i" ) node.safe_psql( "postgres", "drop table t_heap" ) # Drop old tablespace node.safe_psql( "postgres", "drop tablespace somedata" ) # PAGE backup backup_id = self.backup_node(backup_dir, 'node', node, backup_type="page") pgdata = self.pgdata_content(node.data_dir) node.stop() shutil.rmtree( self.get_tblspace_path(node, 'somedata'), ignore_errors=True) shutil.rmtree( self.get_tblspace_path(node, 'somedata1'), ignore_errors=True) node.cleanup() self.merge_backup(backup_dir, 'node', backup_id) self.restore_node( backup_dir, 'node', node, options=["-j", "4"]) pgdata_restored = self.pgdata_content(node.data_dir) # this compare should fall because we lost some directories self.compare_pgdata(pgdata, pgdata_restored) # @unittest.skip("skip") def test_merge_tablespaces_1(self): """ Create tablespace with table, take FULL backup, create another tablespace with another table, take page backup, drop first tablespace and take delta backup, merge it and restore """ 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={ 'autovacuum': 'off' } ) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() self.create_tblspace_in_node(node, 'somedata') # FULL backup self.backup_node(backup_dir, 'node', node) node.safe_psql( "postgres", "create table t_heap tablespace somedata as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,100) i" ) # CREATE NEW TABLESPACE self.create_tblspace_in_node(node, 'somedata1') node.safe_psql( "postgres", "create table t_heap1 tablespace somedata1 as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,100) i" ) # PAGE backup self.backup_node(backup_dir, 'node', node, backup_type="page") node.safe_psql( "postgres", "drop table t_heap" ) node.safe_psql( "postgres", "drop tablespace somedata" ) # DELTA backup backup_id = self.backup_node( backup_dir, 'node', node, backup_type="delta") pgdata = self.pgdata_content(node.data_dir) node.stop() shutil.rmtree( self.get_tblspace_path(node, 'somedata'), ignore_errors=True) shutil.rmtree( self.get_tblspace_path(node, 'somedata1'), ignore_errors=True) node.cleanup() self.merge_backup(backup_dir, 'node', backup_id) self.restore_node( backup_dir, 'node', node, options=["-j", "4"]) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) # Clean after yourself self.del_test_dir(module_name, fname) def test_merge_page_truncate(self): """ make node, create table, take full backup, delete last 3 pages, vacuum relation, take page backup, merge full and page, restore last page backup and check data correctness """ 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={ 'checkpoint_timeout': '300s', 'autovacuum': 'off' } ) node_restored = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node_restored')) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node_restored.cleanup() node.slow_start() self.create_tblspace_in_node(node, 'somedata') node.safe_psql( "postgres", "create sequence t_seq; " "create table t_heap tablespace somedata as select i as id, " "md5(i::text) as text, " "md5(repeat(i::text,10))::tsvector as tsvector " "from generate_series(0,1024) i;") node.safe_psql( "postgres", "vacuum t_heap") self.backup_node(backup_dir, 'node', node) node.safe_psql( "postgres", "delete from t_heap where ctid >= '(11,0)'") node.safe_psql( "postgres", "vacuum t_heap") self.backup_node( backup_dir, 'node', node, backup_type='page') if self.paranoia: pgdata = self.pgdata_content(node.data_dir) page_id = self.show_pb(backup_dir, "node")[1]["id"] self.merge_backup(backup_dir, "node", page_id) self.validate_pb(backup_dir) old_tablespace = self.get_tblspace_path(node, 'somedata') new_tablespace = self.get_tblspace_path(node_restored, 'somedata_new') self.restore_node( backup_dir, 'node', node_restored, options=[ "-j", "4", "-T", "{0}={1}".format(old_tablespace, new_tablespace), "--recovery-target-action=promote"]) # Physical comparison if self.paranoia: pgdata_restored = self.pgdata_content(node_restored.data_dir) self.compare_pgdata(pgdata, pgdata_restored) node_restored.append_conf( "postgresql.auto.conf", "port = {0}".format(node_restored.port)) node_restored.slow_start() # Logical comparison result1 = node.safe_psql( "postgres", "select * from t_heap") result2 = node_restored.safe_psql( "postgres", "select * from t_heap") self.assertEqual(result1, result2) # Clean after yourself self.del_test_dir(module_name, fname) def test_merge_delta_truncate(self): """ make node, create table, take full backup, delete last 3 pages, vacuum relation, take page backup, merge full and page, restore last page backup and check data correctness """ 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={ 'checkpoint_timeout': '300s', 'autovacuum': 'off' } ) node_restored = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node_restored')) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node_restored.cleanup() node.slow_start() self.create_tblspace_in_node(node, 'somedata') node.safe_psql( "postgres", "create sequence t_seq; " "create table t_heap tablespace somedata as select i as id, " "md5(i::text) as text, " "md5(repeat(i::text,10))::tsvector as tsvector " "from generate_series(0,1024) i;") node.safe_psql( "postgres", "vacuum t_heap") self.backup_node(backup_dir, 'node', node) node.safe_psql( "postgres", "delete from t_heap where ctid >= '(11,0)'") node.safe_psql( "postgres", "vacuum t_heap") self.backup_node( backup_dir, 'node', node, backup_type='delta') if self.paranoia: pgdata = self.pgdata_content(node.data_dir) page_id = self.show_pb(backup_dir, "node")[1]["id"] self.merge_backup(backup_dir, "node", page_id) self.validate_pb(backup_dir) old_tablespace = self.get_tblspace_path(node, 'somedata') new_tablespace = self.get_tblspace_path(node_restored, 'somedata_new') self.restore_node( backup_dir, 'node', node_restored, options=[ "-j", "4", "-T", "{0}={1}".format(old_tablespace, new_tablespace), "--recovery-target-action=promote"]) # Physical comparison if self.paranoia: pgdata_restored = self.pgdata_content(node_restored.data_dir) self.compare_pgdata(pgdata, pgdata_restored) node_restored.append_conf( "postgresql.auto.conf", "port = {0}".format(node_restored.port)) node_restored.slow_start() # Logical comparison result1 = node.safe_psql( "postgres", "select * from t_heap") result2 = node_restored.safe_psql( "postgres", "select * from t_heap") self.assertEqual(result1, result2) # Clean after yourself self.del_test_dir(module_name, fname) def test_merge_ptrack_truncate(self): """ make node, create table, take full backup, delete last 3 pages, vacuum relation, take page backup, merge full and page, restore last page backup and check data correctness """ 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={ 'checkpoint_timeout': '300s', 'autovacuum': 'off', 'ptrack_enable': 'on' } ) node_restored = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node_restored')) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node_restored.cleanup() node.slow_start() self.create_tblspace_in_node(node, 'somedata') node.safe_psql( "postgres", "create sequence t_seq; " "create table t_heap tablespace somedata as select i as id, " "md5(i::text) as text, " "md5(repeat(i::text,10))::tsvector as tsvector " "from generate_series(0,1024) i;") node.safe_psql( "postgres", "vacuum t_heap") self.backup_node(backup_dir, 'node', node) node.safe_psql( "postgres", "delete from t_heap where ctid >= '(11,0)'") node.safe_psql( "postgres", "vacuum t_heap") page_id = self.backup_node( backup_dir, 'node', node, backup_type='ptrack') if self.paranoia: pgdata = self.pgdata_content(node.data_dir) self.merge_backup(backup_dir, "node", page_id) self.validate_pb(backup_dir) old_tablespace = self.get_tblspace_path(node, 'somedata') new_tablespace = self.get_tblspace_path(node_restored, 'somedata_new') self.restore_node( backup_dir, 'node', node_restored, options=[ "-j", "4", "-T", "{0}={1}".format(old_tablespace, new_tablespace), "--recovery-target-action=promote"]) # Physical comparison if self.paranoia: pgdata_restored = self.pgdata_content(node_restored.data_dir) self.compare_pgdata(pgdata, pgdata_restored) node_restored.append_conf( "postgresql.auto.conf", "port = {0}".format(node_restored.port)) node_restored.slow_start() # Logical comparison result1 = node.safe_psql( "postgres", "select * from t_heap") result2 = node_restored.safe_psql( "postgres", "select * from t_heap") self.assertEqual(result1, result2) # Clean after yourself self.del_test_dir(module_name, fname) # @unittest.skip("skip") def test_merge_delta_delete(self): """ Make node, create tablespace with table, take full backup, alter tablespace location, take delta backup, merge full and delta, restore database. """ 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={ 'checkpoint_timeout': '30s', 'autovacuum': 'off' } ) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() self.create_tblspace_in_node(node, 'somedata') # FULL backup self.backup_node(backup_dir, 'node', node, options=["--stream"]) node.safe_psql( "postgres", "create table t_heap tablespace somedata as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,100) i" ) node.safe_psql( "postgres", "delete from t_heap" ) node.safe_psql( "postgres", "vacuum t_heap" ) # DELTA BACKUP self.backup_node( backup_dir, 'node', node, backup_type='delta', options=["--stream"] ) if self.paranoia: pgdata = self.pgdata_content(node.data_dir) backup_id = self.show_pb(backup_dir, "node")[1]["id"] self.merge_backup(backup_dir, "node", backup_id, options=["-j", "4"]) # RESTORE node_restored = self.make_simple_node( base_dir=os.path.join(module_name, fname, 'node_restored') ) node_restored.cleanup() self.restore_node( backup_dir, 'node', node_restored, options=[ "-j", "4", "-T", "{0}={1}".format( self.get_tblspace_path(node, 'somedata'), self.get_tblspace_path(node_restored, 'somedata') ) ] ) # GET RESTORED PGDATA AND COMPARE if self.paranoia: pgdata_restored = self.pgdata_content(node_restored.data_dir) self.compare_pgdata(pgdata, pgdata_restored) # START RESTORED NODE node_restored.append_conf( 'postgresql.auto.conf', 'port = {0}'.format(node_restored.port)) node_restored.slow_start() # Clean after yourself self.del_test_dir(module_name, fname) # @unittest.skip("skip") def test_continue_failed_merge(self): """ Check that failed MERGE can be continued """ 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']) 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) node.safe_psql( "postgres", "create table t_heap as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,1000) i" ) # DELTA BACKUP self.backup_node( backup_dir, 'node', node, backup_type='delta' ) node.safe_psql( "postgres", "delete from t_heap" ) node.safe_psql( "postgres", "vacuum t_heap" ) # DELTA BACKUP self.backup_node( backup_dir, 'node', node, backup_type='delta' ) if self.paranoia: pgdata = self.pgdata_content(node.data_dir) backup_id = self.show_pb(backup_dir, "node")[2]["id"] gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True) gdb.set_breakpoint('copy_file') gdb.run_until_break() gdb.continue_execution_until_break(5) gdb._execute('signal SIGKILL') print(self.show_pb(backup_dir, as_text=True, as_json=False)) # Try to continue failed MERGE self.merge_backup(backup_dir, "node", backup_id) # Drop node and restore it node.cleanup() self.restore_node(backup_dir, 'node', node) # Clean after yourself self.del_test_dir(module_name, fname) # @unittest.skip("skip") def test_continue_failed_merge_with_corrupted_delta_backup(self): """ Fail merge via gdb, corrupt DELTA backup, try to continue merge """ 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']) 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) node.safe_psql( "postgres", "create table t_heap as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,1000) i" ) old_path = node.safe_psql( "postgres", "select pg_relation_filepath('t_heap')").rstrip() # DELTA BACKUP self.backup_node( backup_dir, 'node', node, backup_type='delta' ) node.safe_psql( "postgres", "update t_heap set id = 100500" ) node.safe_psql( "postgres", "vacuum full t_heap" ) new_path = node.safe_psql( "postgres", "select pg_relation_filepath('t_heap')").rstrip() # DELTA BACKUP backup_id_2 = self.backup_node( backup_dir, 'node', node, backup_type='delta' ) backup_id = self.show_pb(backup_dir, "node")[1]["id"] # Failed MERGE gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True) gdb.set_breakpoint('copy_file') gdb.run_until_break() gdb.continue_execution_until_break(2) gdb._execute('signal SIGKILL') # CORRUPT incremental backup # read block from future # block_size + backup_header = 8200 file = os.path.join( backup_dir, 'backups', 'node', backup_id_2, 'database', new_path) with open(file, 'rb') as f: f.seek(8200) block_1 = f.read(8200) f.close # write block from future file = os.path.join( backup_dir, 'backups', 'node', backup_id, 'database', old_path) with open(file, 'r+b') as f: f.seek(8200) f.write(block_1) f.close # Try to continue failed MERGE try: self.merge_backup(backup_dir, "node", backup_id) self.assertEqual( 1, 0, "Expecting Error because of incremental backup corruption.\n " "Output: {0} \n CMD: {1}".format( repr(self.output), self.cmd)) except ProbackupException as e: self.assertTrue( "ERROR: Merging of backup {0} failed".format( backup_id) 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) def test_continue_failed_merge_2(self): """ Check that failed MERGE on delete can be continued """ 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']) 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) node.safe_psql( "postgres", "create table t_heap as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,1000) i") # DELTA BACKUP self.backup_node( backup_dir, 'node', node, backup_type='delta') node.safe_psql( "postgres", "delete from t_heap") node.safe_psql( "postgres", "vacuum t_heap") # DELTA BACKUP self.backup_node( backup_dir, 'node', node, backup_type='delta') if self.paranoia: pgdata = self.pgdata_content(node.data_dir) backup_id = self.show_pb(backup_dir, "node")[2]["id"] gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True) gdb.set_breakpoint('pgFileDelete') gdb.run_until_break() gdb.continue_execution_until_break(20) gdb._execute('signal SIGKILL') print(self.show_pb(backup_dir, as_text=True, as_json=False)) backup_id_deleted = self.show_pb(backup_dir, "node")[1]["id"] # TODO check that full backup has meta info is equal to DELETTING # Try to continue failed MERGE self.merge_backup(backup_dir, "node", backup_id) # Clean after yourself self.del_test_dir(module_name, fname) def test_continue_failed_merge_3(self): """ Check that failed MERGE can`t be continued after target backup deleting Create FULL and 2 PAGE backups """ 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']) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() # Create test data node.safe_psql("postgres", "create sequence t_seq") node.safe_psql( "postgres", "create table t_heap as select i as id, nextval('t_seq')" " as t_seq, md5(i::text) as text, md5(i::text)::tsvector" " as tsvector from generate_series(0,100000) i" ) # FULL backup self.backup_node(backup_dir, 'node', node) # CREATE FEW PAGE BACKUP i = 0 while i < 2: node.safe_psql( "postgres", "delete from t_heap" ) node.safe_psql( "postgres", "vacuum t_heap" ) node.safe_psql( "postgres", "insert into t_heap select i as id, nextval('t_seq') as t_seq," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(100,200000) i" ) # PAGE BACKUP self.backup_node( backup_dir, 'node', node, backup_type='page' ) i = i + 1 if self.paranoia: pgdata = self.pgdata_content(node.data_dir) backup_id_merge = self.show_pb(backup_dir, "node")[2]["id"] backup_id_delete = self.show_pb(backup_dir, "node")[1]["id"] print(self.show_pb(backup_dir, as_text=True, as_json=False)) gdb = self.merge_backup(backup_dir, "node", backup_id_merge, gdb=True) gdb.set_breakpoint('copy_file') gdb.run_until_break() gdb.continue_execution_until_break(2) gdb._execute('signal SIGKILL') print(self.show_pb(backup_dir, as_text=True, as_json=False)) print(os.path.join(backup_dir, "backups", "node", backup_id_delete)) # DELETE PAGE1 shutil.rmtree( os.path.join(backup_dir, "backups", "node", backup_id_delete)) # Try to continue failed MERGE try: self.merge_backup(backup_dir, "node", backup_id_merge) self.assertEqual( 1, 0, "Expecting Error because of backup corruption.\n " "Output: {0} \n CMD: {1}".format( repr(self.output), self.cmd)) except ProbackupException as e: self.assertTrue( "ERROR: Parent full backup for the given backup {0} was not found".format( backup_id_merge) 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) def test_merge_different_compression_algo(self): """ Check that backups with different compression algorihtms can be merged """ 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']) 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, options=['--compress-algorithm=zlib']) node.safe_psql( "postgres", "create table t_heap as select i as id," " md5(i::text) as text, md5(i::text)::tsvector as tsvector" " from generate_series(0,1000) i") # DELTA BACKUP self.backup_node( backup_dir, 'node', node, backup_type='delta', options=['--compress-algorithm=pglz']) node.safe_psql( "postgres", "delete from t_heap") node.safe_psql( "postgres", "vacuum t_heap") # DELTA BACKUP self.backup_node( backup_dir, 'node', node, backup_type='delta') if self.paranoia: pgdata = self.pgdata_content(node.data_dir) backup_id = self.show_pb(backup_dir, "node")[2]["id"] self.merge_backup(backup_dir, "node", backup_id) self.del_test_dir(module_name, fname) def test_merge_different_wal_modes(self): """ Check that backups with different wal modes can be merged 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']) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() # FULL stream backup self.backup_node( backup_dir, 'node', node, options=['--stream']) # DELTA archive backup backup_id = self.backup_node( backup_dir, 'node', node, backup_type='delta') self.merge_backup(backup_dir, 'node', backup_id=backup_id) self.assertEqual( 'ARCHIVE', self.show_pb(backup_dir, 'node', backup_id)['wal']) # DELTA stream backup backup_id = self.backup_node( backup_dir, 'node', node, backup_type='delta', options=['--stream']) self.merge_backup(backup_dir, 'node', backup_id=backup_id) self.assertEqual( 'STREAM', self.show_pb(backup_dir, 'node', backup_id)['wal']) self.del_test_dir(module_name, fname) def test_crash_after_opening_backup_control_1(self): """ check that crashing after opening backup.control for writing will not result in losing backup metadata """ 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={'autovacuum': 'off'}) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() # FULL stream backup self.backup_node( backup_dir, 'node', node, options=['--stream']) # DELTA archive backup backup_id = self.backup_node( backup_dir, 'node', node, backup_type='delta') print(self.show_pb( backup_dir, 'node', as_json=False, as_text=True)) gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True) gdb.set_breakpoint('write_backup_filelist') gdb.run_until_break() gdb.set_breakpoint('write_backup') gdb.continue_execution_until_break() gdb.set_breakpoint('pgBackupWriteControl') gdb.continue_execution_until_break() gdb._execute('signal SIGKILL') print(self.show_pb( backup_dir, 'node', as_json=False, as_text=True)) self.assertEqual( 'MERGING', self.show_pb(backup_dir, 'node')[0]['status']) self.assertEqual( 'MERGING', self.show_pb(backup_dir, 'node')[1]['status']) self.del_test_dir(module_name, fname) def test_crash_after_opening_backup_control_2(self): """ check that crashing after opening backup_content.control for writing will not result in losing metadata about backup files """ 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={'autovacuum': 'off'}) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() # Add data node.pgbench_init(scale=3) # FULL backup full_id = self.backup_node( backup_dir, 'node', node, options=['--stream']) # Change data pgbench = node.pgbench(options=['-T', '20', '-c', '2']) pgbench.wait() path = node.safe_psql( 'postgres', "select pg_relation_filepath('pgbench_accounts')").rstrip() fsm_path = path + '_fsm' node.safe_psql( 'postgres', 'vacuum pgbench_accounts') # DELTA backup backup_id = self.backup_node( backup_dir, 'node', node, backup_type='delta') pgdata = self.pgdata_content(node.data_dir) print(self.show_pb( backup_dir, 'node', as_json=False, as_text=True)) gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True) gdb.set_breakpoint('write_backup_filelist') gdb.run_until_break() gdb.set_breakpoint('print_file_list') gdb.continue_execution_until_break() gdb._execute('signal SIGKILL') print(self.show_pb( backup_dir, 'node', as_json=False, as_text=True)) self.assertEqual( 'MERGING', self.show_pb(backup_dir, 'node')[0]['status']) self.assertEqual( 'MERGING', self.show_pb(backup_dir, 'node')[1]['status']) # In to_backup drop file that comes from from_backup # emulate crash during previous merge file_to_remove = os.path.join( backup_dir, 'backups', 'node', full_id, 'database', fsm_path) print(file_to_remove) os.remove(file_to_remove) # Continue failed merge self.merge_backup(backup_dir, "node", backup_id) node.cleanup() # restore merge backup self.restore_node(backup_dir, 'node', node) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) self.del_test_dir(module_name, fname) def test_losing_file_after_failed_merge(self): """ check that crashing after opening backup_content.control for writing will not result in losing metadata about backup files """ 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={'autovacuum': 'off'}) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() # Add data node.pgbench_init(scale=1) # FULL backup full_id = self.backup_node( backup_dir, 'node', node, options=['--stream']) # Change data node.safe_psql( 'postgres', "update pgbench_accounts set aid = aid + 1005000") path = node.safe_psql( 'postgres', "select pg_relation_filepath('pgbench_accounts')").rstrip() node.safe_psql( 'postgres', "VACUUM pgbench_accounts") vm_path = path + '_vm' # DELTA backup backup_id = self.backup_node( backup_dir, 'node', node, backup_type='delta') pgdata = self.pgdata_content(node.data_dir) print(self.show_pb( backup_dir, 'node', as_json=False, as_text=True)) gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True) gdb.set_breakpoint('write_backup_filelist') gdb.run_until_break() gdb.set_breakpoint('print_file_list') gdb.continue_execution_until_break() gdb._execute('signal SIGKILL') print(self.show_pb( backup_dir, 'node', as_json=False, as_text=True)) self.assertEqual( 'MERGING', self.show_pb(backup_dir, 'node')[0]['status']) self.assertEqual( 'MERGING', self.show_pb(backup_dir, 'node')[1]['status']) # In to_backup drop file that comes from from_backup # emulate crash during previous merge file_to_remove = os.path.join( backup_dir, 'backups', 'node', full_id, 'database', vm_path) os.remove(file_to_remove) # Try to continue failed MERGE #print(backup_id) #exit(1) self.merge_backup(backup_dir, "node", backup_id) self.assertEqual( 'OK', self.show_pb(backup_dir, 'node')[0]['status']) node.cleanup() self.restore_node(backup_dir, 'node', node) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) self.del_test_dir(module_name, fname) def test_failed_merge_after_delete(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={'autovacuum': 'off'}) self.init_pb(backup_dir) self.add_instance(backup_dir, 'node', node) self.set_archiving(backup_dir, 'node', node) node.slow_start() # add database node.safe_psql( 'postgres', 'CREATE DATABASE testdb') dboid = node.safe_psql( "postgres", "select oid from pg_database where datname = 'testdb'").rstrip() # take FULL backup full_id = self.backup_node( backup_dir, 'node', node, options=['--stream']) # drop database node.safe_psql( 'postgres', 'DROP DATABASE testdb') # take PAGE backup page_id = self.backup_node( backup_dir, 'node', node, backup_type='page') gdb = self.merge_backup( backup_dir, 'node', page_id, gdb=True, options=['--log-level-console=verbose']) gdb.set_breakpoint('delete_backup_files') gdb.run_until_break() gdb.set_breakpoint('parray_bsearch') gdb.continue_execution_until_break() gdb.set_breakpoint('pgFileDelete') gdb.continue_execution_until_break(20) gdb._execute('signal SIGKILL') # backup half-merged self.assertEqual( 'MERGING', self.show_pb(backup_dir, 'node')[0]['status']) self.assertEqual( full_id, self.show_pb(backup_dir, 'node')[0]['id']) db_path = os.path.join( backup_dir, 'backups', 'node', full_id, 'database', 'base', dboid) self.assertFalse( os.path.isdir(db_path), 'Directory {0} should not exist'.format( db_path, full_id)) self.del_test_dir(module_name, fname) def test_failed_merge_after_delete_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={'autovacuum': 'off'}) 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 full_id = self.backup_node( backup_dir, 'node', node, options=['--stream']) node.pgbench_init(scale=1) page_1 = self.backup_node( backup_dir, 'node', node, backup_type='page') # Change FULL B backup status to ERROR self.change_backup_status(backup_dir, 'node', page_1, 'ERROR') pgdata = self.pgdata_content(node.data_dir) # add data pgbench = node.pgbench(options=['-T', '10', '-c', '2', '--no-vacuum']) pgbench.wait() # take PAGE backup page_id = self.backup_node( backup_dir, 'node', node, backup_type='page') # Change FULL B backup status to ERROR self.change_backup_status(backup_dir, 'node', page_1, 'OK') gdb = self.merge_backup( backup_dir, 'node', page_id, gdb=True, options=['--log-level-console=verbose']) gdb.set_breakpoint('delete_backup_files') gdb.run_until_break() gdb.set_breakpoint('parray_bsearch') gdb.continue_execution_until_break() gdb.set_breakpoint('pgFileDelete') gdb.continue_execution_until_break(30) gdb._execute('signal SIGKILL') # backup half-merged self.assertEqual( 'OK', self.show_pb(backup_dir, 'node')[0]['status']) self.assertEqual( full_id, self.show_pb(backup_dir, 'node')[0]['id']) # restore node.cleanup() self.restore_node(backup_dir, 'node', node) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) self.del_test_dir(module_name, fname) # @unittest.skip("skip") def test_merge_backup_from_future(self): """ take FULL backup, table PAGE backup from future, try to merge page with FULL """ 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={ 'autovacuum': 'off'}) 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() # Take FULL self.backup_node(backup_dir, 'node', node) node.pgbench_init(scale=3) # Take PAGE from future backup_id = self.backup_node( backup_dir, 'node', node, backup_type='page') with open( os.path.join( backup_dir, 'backups', 'node', backup_id, "backup.control"), "a") as conf: conf.write("start-time='{:%Y-%m-%d %H:%M:%S}'\n".format( datetime.now() + timedelta(days=3))) # rename directory new_id = self.show_pb(backup_dir, 'node')[1]['id'] os.rename( os.path.join(backup_dir, 'backups', 'node', backup_id), os.path.join(backup_dir, 'backups', 'node', new_id)) pgbench = node.pgbench(options=['-T', '3', '-c', '2', '--no-vacuum']) pgbench.wait() backup_id = self.backup_node(backup_dir, 'node', node, backup_type='page') pgdata = self.pgdata_content(node.data_dir) node.cleanup() self.merge_backup(backup_dir, 'node', backup_id=backup_id) self.restore_node(backup_dir, 'node', node, backup_id=backup_id) pgdata_restored = self.pgdata_content(node.data_dir) self.compare_pgdata(pgdata, pgdata_restored) # Clean after yourself self.del_test_dir(module_name, fname) # @unittest.skip("skip") def test_merge_multiple_descendants(self): """ PAGEb3 | PAGEa3 PAGEb2 / | PAGEa2 / PAGEb1 \ / | PAGEa1 FULLb | FULLa """ 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) self.set_archiving(backup_dir, 'node', node) node.slow_start() # Take FULL BACKUPs backup_id_a = self.backup_node(backup_dir, 'node', node) backup_id_b = self.backup_node(backup_dir, 'node', node) # Change FULLb backup status to ERROR self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR') page_id_a1 = self.backup_node( backup_dir, 'node', node, backup_type='page') # Change FULLb backup status to OK self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK') # Change PAGEa1 backup status to ERROR self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR') # PAGEa1 ERROR # FULLb OK # FULLa OK page_id_b1 = self.backup_node( backup_dir, 'node', node, backup_type='page') # PAGEb1 OK # PAGEa1 ERROR # FULLb OK # FULLa OK # Change PAGEa1 backup status to OK self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK') # Change PAGEb1 backup status to ERROR self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR') # PAGEb1 ERROR # PAGEa1 OK # FULLb OK # FULLa OK page_id_a2 = self.backup_node( backup_dir, 'node', node, backup_type='page') # PAGEa2 OK # PAGEb1 ERROR # PAGEa1 OK # FULLb OK # FULLa OK # Change PAGEb1 backup status to OK self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK') # Change PAGEa2 backup status to ERROR self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR') # PAGEa2 ERROR # PAGEb1 OK # PAGEa1 OK # FULLb OK # FULLa OK page_id_b2 = self.backup_node( backup_dir, 'node', node, backup_type='page') # PAGEb2 OK # PAGEa2 ERROR # PAGEb1 OK # PAGEa1 OK # FULLb OK # FULLa OK # Change PAGEb2 and PAGEb1 status to ERROR self.change_backup_status(backup_dir, 'node', page_id_b2, 'ERROR') self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR') # PAGEb2 ERROR # PAGEa2 ERROR # PAGEb1 ERROR # PAGEa1 OK # FULLb OK # FULLa OK page_id_a3 = self.backup_node( backup_dir, 'node', node, backup_type='page') # PAGEa3 OK # PAGEb2 ERROR # PAGEa2 ERROR # PAGEb1 ERROR # PAGEa1 OK # FULLb OK # FULLa OK # Change PAGEa3 status to ERROR self.change_backup_status(backup_dir, 'node', page_id_a3, 'ERROR') # Change PAGEb2 status to OK self.change_backup_status(backup_dir, 'node', page_id_b2, 'OK') page_id_b3 = self.backup_node( backup_dir, 'node', node, backup_type='page') # PAGEb3 OK # PAGEa3 ERROR # PAGEb2 OK # PAGEa2 ERROR # PAGEb1 ERROR # PAGEa1 OK # FULLb OK # FULLa OK # Change PAGEa3, PAGEa2 and PAGEb1 status to OK self.change_backup_status(backup_dir, 'node', page_id_a3, 'OK') self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK') self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK') # PAGEb3 OK # PAGEa3 OK # PAGEb2 OK # PAGEa2 OK # PAGEb1 OK # PAGEa1 OK # FULLb OK # FULLa OK # Check that page_id_a3 and page_id_a2 are both direct descendants of page_id_a1 self.assertEqual( self.show_pb(backup_dir, 'node', backup_id=page_id_a3)['parent-backup-id'], page_id_a1) self.assertEqual( self.show_pb(backup_dir, 'node', backup_id=page_id_a2)['parent-backup-id'], page_id_a1) self.merge_backup( backup_dir, 'node', page_id_a2, options=['--merge-expired', '--log-level-console=log']) try: self.merge_backup( backup_dir, 'node', page_id_a3, options=['--merge-expired', '--log-level-console=log']) self.assertEqual( 1, 0, "Expecting Error because of parent FULL backup is missing.\n " "Output: {0} \n CMD: {1}".format( repr(self.output), self.cmd)) except ProbackupException as e: self.assertTrue( "ERROR: Parent full backup for the given " "backup {0} was not found".format( page_id_a3) 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) # @unittest.skip("skip") def test_smart_merge(self): """ make node, create database, take full backup, drop database, take PAGE backup and merge it into FULL, make sure that files from dropped database are not copied during restore https://github.com/postgrespro/pg_probackup/issues/63 """ 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']) 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() # create database node.safe_psql( "postgres", "CREATE DATABASE testdb") # take FULL backup full_id = self.backup_node(backup_dir, 'node', node) # drop database node.safe_psql( "postgres", "DROP DATABASE testdb") # take PAGE backup page_id = self.backup_node( backup_dir, 'node', node, backup_type='page') # get delta between FULL and PAGE filelists filelist_full = self.get_backup_filelist( backup_dir, 'node', full_id) filelist_page = self.get_backup_filelist( backup_dir, 'node', page_id) filelist_diff = self.get_backup_filelist_diff( filelist_full, filelist_page) # merge PAGE backup self.merge_backup( backup_dir, 'node', page_id, options=['--log-level-file=VERBOSE']) logfile = os.path.join(backup_dir, 'log', 'pg_probackup.log') with open(logfile, 'r') as f: logfile_content = f.read() # Clean after yourself self.del_test_dir(module_name, fname) # 1. always use parent link when merging (intermediates may be from different chain) # 2. page backup we are merging with may disappear after failed merge, # it should not be possible to continue merge after that # PAGE_A MERGING (disappear) # FULL MERGING # FULL MERGING # PAGE_B OK (new backup) # FULL MERGING # 3. Need new test with corrupted FULL backup # 4. different compression levels