mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-11 11:41:33 +02:00
693 lines
23 KiB
Python
693 lines
23 KiB
Python
import unittest
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import os
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from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
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import subprocess
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from sys import exit
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module_name = 'delete'
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class DeleteTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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# @unittest.expectedFailure
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def test_delete_full_backups(self):
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"""delete full backups"""
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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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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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# full backup
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self.backup_node(backup_dir, 'node', node)
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pgbench = node.pgbench(
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stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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pgbench.wait()
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pgbench.stdout.close()
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self.backup_node(backup_dir, 'node', node)
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pgbench = node.pgbench(
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stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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pgbench.wait()
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pgbench.stdout.close()
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self.backup_node(backup_dir, 'node', node)
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show_backups = self.show_pb(backup_dir, 'node')
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id_1 = show_backups[0]['id']
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id_2 = show_backups[1]['id']
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id_3 = show_backups[2]['id']
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self.delete_pb(backup_dir, 'node', id_2)
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show_backups = self.show_pb(backup_dir, 'node')
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self.assertEqual(show_backups[0]['id'], id_1)
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self.assertEqual(show_backups[1]['id'], id_3)
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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_del_instance_archive(self):
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"""delete full backups"""
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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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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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# full backup
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self.backup_node(backup_dir, 'node', node)
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# full backup
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self.backup_node(backup_dir, 'node', node)
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# restore
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node.cleanup()
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self.restore_node(backup_dir, 'node', node)
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node.slow_start()
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# Delete instance
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self.del_instance(backup_dir, 'node')
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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_delete_archive_mix_compress_and_non_compressed_segments(self):
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"""delete full backups"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(
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base_dir="{0}/{1}/node".format(module_name, fname),
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initdb_params=['--data-checksums'],
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pg_options={'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(
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backup_dir, 'node', node, compress=False)
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node.slow_start()
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# full backup
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self.backup_node(backup_dir, 'node', node)
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node.pgbench_init(scale=10)
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# Restart archiving with compression
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self.set_archiving(backup_dir, 'node', node, compress=True)
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node.restart()
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# full backup
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self.backup_node(backup_dir, 'node', node)
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pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
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pgbench.wait()
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self.backup_node(
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backup_dir, 'node', node,
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options=[
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'--retention-redundancy=3',
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'--delete-expired'])
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pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
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pgbench.wait()
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self.backup_node(
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backup_dir, 'node', node,
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options=[
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'--retention-redundancy=3',
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'--delete-expired'])
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pgbench = node.pgbench(options=['-T', '10', '-c', '2'])
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pgbench.wait()
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self.backup_node(
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backup_dir, 'node', node,
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options=[
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'--retention-redundancy=3',
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'--delete-expired'])
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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_delete_increment_page(self):
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"""delete increment and all after him"""
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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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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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# full backup mode
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self.backup_node(backup_dir, 'node', node)
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# page backup mode
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self.backup_node(backup_dir, 'node', node, backup_type="page")
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# page backup mode
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self.backup_node(backup_dir, 'node', node, backup_type="page")
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# full backup mode
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self.backup_node(backup_dir, 'node', node)
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show_backups = self.show_pb(backup_dir, 'node')
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self.assertEqual(len(show_backups), 4)
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# delete first page backup
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self.delete_pb(backup_dir, 'node', show_backups[1]['id'])
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show_backups = self.show_pb(backup_dir, 'node')
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self.assertEqual(len(show_backups), 2)
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self.assertEqual(show_backups[0]['backup-mode'], "FULL")
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self.assertEqual(show_backups[0]['status'], "OK")
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self.assertEqual(show_backups[1]['backup-mode'], "FULL")
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self.assertEqual(show_backups[1]['status'], "OK")
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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_delete_increment_ptrack(self):
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"""delete increment and all after him"""
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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={'ptrack_enable': 'on'})
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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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# full backup mode
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self.backup_node(backup_dir, 'node', node)
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# ptrack backup mode
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self.backup_node(backup_dir, 'node', node, backup_type="ptrack")
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# ptrack backup mode
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self.backup_node(backup_dir, 'node', node, backup_type="ptrack")
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# full backup mode
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self.backup_node(backup_dir, 'node', node)
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show_backups = self.show_pb(backup_dir, 'node')
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self.assertEqual(len(show_backups), 4)
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# delete first page backup
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self.delete_pb(backup_dir, 'node', show_backups[1]['id'])
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show_backups = self.show_pb(backup_dir, 'node')
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self.assertEqual(len(show_backups), 2)
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self.assertEqual(show_backups[0]['backup-mode'], "FULL")
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self.assertEqual(show_backups[0]['status'], "OK")
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self.assertEqual(show_backups[1]['backup-mode'], "FULL")
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self.assertEqual(show_backups[1]['status'], "OK")
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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_delete_orphaned_wal_segments(self):
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"""
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make archive node, make three full backups,
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delete second backup without --wal option,
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then delete orphaned wals via --wal option
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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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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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node.safe_psql(
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"postgres",
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"create table t_heap as select 1 as id, md5(i::text) as text, md5(repeat(i::text,10))::tsvector as tsvector from generate_series(0,10000) i")
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# first full backup
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backup_1_id = self.backup_node(backup_dir, 'node', node)
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# second full backup
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backup_2_id = self.backup_node(backup_dir, 'node', node)
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# third full backup
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backup_3_id = self.backup_node(backup_dir, 'node', node)
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node.stop()
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# Check wals
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wals_dir = os.path.join(backup_dir, 'wal', 'node')
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wals = [f for f in os.listdir(wals_dir) if os.path.isfile(os.path.join(wals_dir, f)) and not f.endswith('.backup')]
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original_wal_quantity = len(wals)
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# delete second full backup
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self.delete_pb(backup_dir, 'node', backup_2_id)
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# check wal quantity
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self.validate_pb(backup_dir)
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self.assertEqual(self.show_pb(backup_dir, 'node', backup_1_id)['status'], "OK")
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self.assertEqual(self.show_pb(backup_dir, 'node', backup_3_id)['status'], "OK")
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# try to delete wals for second backup
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self.delete_pb(backup_dir, 'node', options=['--wal'])
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# check wal quantity
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self.validate_pb(backup_dir)
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self.assertEqual(self.show_pb(backup_dir, 'node', backup_1_id)['status'], "OK")
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self.assertEqual(self.show_pb(backup_dir, 'node', backup_3_id)['status'], "OK")
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# delete first full backup
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self.delete_pb(backup_dir, 'node', backup_1_id)
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self.validate_pb(backup_dir)
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self.assertEqual(self.show_pb(backup_dir, 'node', backup_3_id)['status'], "OK")
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result = self.delete_pb(backup_dir, 'node', options=['--wal'])
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# delete useless wals
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self.assertTrue('INFO: removed min WAL segment' in result
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and 'INFO: removed max WAL segment' in result)
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self.validate_pb(backup_dir)
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self.assertEqual(self.show_pb(backup_dir, 'node', backup_3_id)['status'], "OK")
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# Check quantity, it should be lower than original
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wals = [f for f in os.listdir(wals_dir) if os.path.isfile(os.path.join(wals_dir, f)) and not f.endswith('.backup')]
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self.assertTrue(original_wal_quantity > len(wals), "Number of wals not changed after 'delete --wal' which is illegal")
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# Delete last backup
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self.delete_pb(backup_dir, 'node', backup_3_id, options=['--wal'])
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wals = [f for f in os.listdir(wals_dir) if os.path.isfile(os.path.join(wals_dir, f)) and not f.endswith('.backup')]
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self.assertEqual (0, len(wals), "Number of wals should be equal to 0")
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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_delete_wal_between_multiple_timelines(self):
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"""
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/-------B1--
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A1----------------A2----
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delete A1 backup, check that WAL segments on [A1, A2) and
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[A1, B1) are deleted and backups B1 and A2 keep
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their WAL
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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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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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A1 = self.backup_node(backup_dir, 'node', node)
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# load some data to node
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node.pgbench_init(scale=3)
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node2 = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node2'))
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node2.cleanup()
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self.restore_node(backup_dir, 'node', node2)
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node2.append_conf(
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'postgresql.auto.conf', "port = {0}".format(node2.port))
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node2.slow_start()
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# load some more data to node
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node.pgbench_init(scale=3)
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# take A2
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A2 = self.backup_node(backup_dir, 'node', node)
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# load some more data to node2
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node2.pgbench_init(scale=2)
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B1 = self.backup_node(
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backup_dir, 'node',
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node2, data_dir=node2.data_dir)
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self.delete_pb(backup_dir, 'node', backup_id=A1, options=['--wal'])
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self.validate_pb(backup_dir)
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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_delete_backup_with_empty_control_file(self):
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"""
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take backup, truncate its control file,
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try to delete it via 'delete' command
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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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set_replication=True)
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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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# full backup mode
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self.backup_node(
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backup_dir, 'node', node, options=['--stream'])
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# page backup mode
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self.backup_node(
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backup_dir, 'node', node, backup_type="delta", options=['--stream'])
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# page backup mode
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backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type="delta", options=['--stream'])
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with open(
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os.path.join(backup_dir, 'backups', 'node', backup_id, 'backup.control'),
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'wt') as f:
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f.flush()
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f.close()
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show_backups = self.show_pb(backup_dir, 'node')
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self.assertEqual(len(show_backups), 3)
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self.delete_pb(backup_dir, 'node', backup_id=backup_id)
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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_delete_interleaved_incremental_chains(self):
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"""complicated case of interleaved backup chains"""
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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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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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# Take FULL BACKUPs
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backup_id_a = self.backup_node(backup_dir, 'node', node)
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backup_id_b = self.backup_node(backup_dir, 'node', node)
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# Change FULLb to ERROR
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self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
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# FULLb ERROR
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# FULLa OK
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# Take PAGEa1 backup
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page_id_a1 = self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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# PAGEa1 OK
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# FULLb ERROR
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# FULLa OK
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# Change FULLb to OK
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self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
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# Change PAGEa1 to ERROR
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self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR')
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# PAGEa1 ERROR
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# FULLb OK
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# FULLa OK
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page_id_b1 = self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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# PAGEb1 OK
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# PAGEa1 ERROR
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# FULLb OK
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# FULLa OK
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# Now we start to play with first generation of PAGE backups
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# Change PAGEb1 and FULLb status to ERROR
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self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
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self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
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# Change PAGEa1 status to OK
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self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
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# PAGEb1 ERROR
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# PAGEa1 OK
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# FULLb ERROR
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# FULLa OK
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page_id_a2 = self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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# PAGEa2 OK
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# PAGEb1 ERROR
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# PAGEa1 OK
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# FULLb ERROR
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# FULLa OK
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# Change PAGEa2 and FULla to ERROR
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self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
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self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
|
|
|
|
# Change PAGEb1 and FULlb to OK
|
|
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
|
|
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
|
|
|
|
# PAGEa2 ERROR
|
|
# PAGEb1 OK
|
|
# PAGEa1 OK
|
|
# FULLb OK
|
|
# FULLa ERROR
|
|
|
|
page_id_b2 = self.backup_node(
|
|
backup_dir, 'node', node, backup_type='page')
|
|
|
|
# Change PAGEa2 and FULLa status to OK
|
|
self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK')
|
|
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
|
|
|
|
# PAGEb2 OK
|
|
# PAGEa2 OK
|
|
# PAGEb1 OK
|
|
# PAGEa1 OK
|
|
# FULLb OK
|
|
# FULLa OK
|
|
|
|
self.backup_node(backup_dir, 'node', node)
|
|
self.backup_node(backup_dir, 'node', node, backup_type='page')
|
|
|
|
# PAGEc1 OK
|
|
# FULLc OK
|
|
# PAGEb2 OK
|
|
# PAGEa2 OK
|
|
# PAGEb1 OK
|
|
# PAGEa1 OK
|
|
# FULLb OK
|
|
# FULLa OK
|
|
|
|
# Delete FULLb
|
|
self.delete_pb(
|
|
backup_dir, 'node', backup_id_b)
|
|
|
|
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 5)
|
|
|
|
print(self.show_pb(
|
|
backup_dir, 'node', as_json=False, as_text=True))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_delete_multiple_descendants(self):
|
|
"""
|
|
PAGEb3
|
|
| PAGEa3
|
|
PAGEb2 /
|
|
| PAGEa2 /
|
|
PAGEb1 \ /
|
|
| PAGEa1
|
|
FULLb |
|
|
FULLa should be deleted
|
|
"""
|
|
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 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 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 to OK
|
|
self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
|
|
|
|
# Change PAGEb1 and FULLb backup status to ERROR
|
|
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
|
|
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
|
|
|
|
# PAGEb1 ERROR
|
|
# PAGEa1 OK
|
|
# FULLb ERROR
|
|
# FULLa OK
|
|
|
|
page_id_a2 = self.backup_node(
|
|
backup_dir, 'node', node, backup_type='page')
|
|
|
|
# PAGEa2 OK
|
|
# PAGEb1 ERROR
|
|
# PAGEa1 OK
|
|
# FULLb ERROR
|
|
# FULLa OK
|
|
|
|
# Change PAGEb1 and FULLb to OK
|
|
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
|
|
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
|
|
|
|
# Change PAGEa2 and FULLa to ERROR
|
|
self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
|
|
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
|
|
|
|
# PAGEa2 ERROR
|
|
# PAGEb1 OK
|
|
# PAGEa1 OK
|
|
# FULLb OK
|
|
# FULLa ERROR
|
|
|
|
page_id_b2 = self.backup_node(
|
|
backup_dir, 'node', node, backup_type='page')
|
|
|
|
# PAGEb2 OK
|
|
# PAGEa2 ERROR
|
|
# PAGEb1 OK
|
|
# PAGEa1 OK
|
|
# FULLb OK
|
|
# FULLa ERROR
|
|
|
|
# Change PAGEb2, PAGEb1 and FULLb to ERROR
|
|
self.change_backup_status(backup_dir, 'node', page_id_b2, 'ERROR')
|
|
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
|
|
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
|
|
|
|
# Change FULLa to OK
|
|
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
|
|
|
|
# PAGEb2 ERROR
|
|
# PAGEa2 ERROR
|
|
# PAGEb1 ERROR
|
|
# PAGEa1 OK
|
|
# FULLb ERROR
|
|
# 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 ERROR
|
|
# FULLa OK
|
|
|
|
# Change PAGEa3 status to ERROR
|
|
self.change_backup_status(backup_dir, 'node', page_id_a3, 'ERROR')
|
|
|
|
# Change PAGEb2 and FULLb to OK
|
|
self.change_backup_status(backup_dir, 'node', page_id_b2, 'OK')
|
|
self.change_backup_status(backup_dir, 'node', backup_id_b, '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 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)
|
|
|
|
# Delete FULLa
|
|
self.delete_pb(backup_dir, 'node', backup_id_a)
|
|
|
|
self.assertEqual(len(self.show_pb(backup_dir, 'node')), 4)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|