mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-01 09:51:43 +02:00
209 lines
8.3 KiB
Python
209 lines
8.3 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="{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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)
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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.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_delete_archive_mix_compress_and_non_compressed_segments(self):
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"""stub"""
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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(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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)
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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.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(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', 'ptrack_enable': 'on'}
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)
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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.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="ptrack")
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# page 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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"""make archive node, make three full backups, delete second backup without --wal option, then delete orphaned wals via --wal option"""
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fname = self.id().split('.')[3]
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node = self.make_simple_node(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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)
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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.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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