mirror of
https://github.com/postgrespro/pg_probackup.git
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Merge branch 'master' into pgpro-2573
This commit is contained in:
Grigory Smolkin
commit
048e86390e
182
tests/merge.py
182
tests/merge.py
@ -1743,6 +1743,188 @@ class MergeTest(ProbackupTest, unittest.TestCase):
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# @unittest.skip("skip")
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def test_merge_multiple_descendants(self):
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"""
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PAGEb3
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| PAGEa3
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PAGEb2 /
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| PAGEa2 /
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PAGEb1 \ /
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| PAGEa1
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FULLb |
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FULLa
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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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# 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 backup status to ERROR
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self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
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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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# Change FULLb backup status to OK
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self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
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# Change PAGEa1 backup status 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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# Change PAGEa1 backup status to OK
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self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
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# Change PAGEb1 backup status to ERROR
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self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
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# PAGEb1 ERROR
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# PAGEa1 OK
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# FULLb OK
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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 OK
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# FULLa OK
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# Change PAGEb1 backup status to OK
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self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
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# Change PAGEa2 backup status to ERROR
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self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
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# PAGEa2 ERROR
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# PAGEb1 OK
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# PAGEa1 OK
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# FULLb OK
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# FULLa OK
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page_id_b2 = self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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# PAGEb2 OK
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# PAGEa2 ERROR
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# PAGEb1 OK
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# PAGEa1 OK
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# FULLb OK
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# FULLa OK
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# Change PAGEb2 and PAGEb1 status to ERROR
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self.change_backup_status(backup_dir, 'node', page_id_b2, 'ERROR')
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self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
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# PAGEb2 ERROR
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# PAGEa2 ERROR
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# PAGEb1 ERROR
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# PAGEa1 OK
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# FULLb OK
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# FULLa OK
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page_id_a3 = self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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# PAGEa3 OK
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# PAGEb2 ERROR
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# PAGEa2 ERROR
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# PAGEb1 ERROR
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# PAGEa1 OK
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# FULLb OK
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# FULLa OK
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# Change PAGEa3 status to ERROR
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self.change_backup_status(backup_dir, 'node', page_id_a3, 'ERROR')
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# Change PAGEb2 status to OK
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self.change_backup_status(backup_dir, 'node', page_id_b2, 'OK')
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page_id_b3 = self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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# PAGEb3 OK
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# PAGEa3 ERROR
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# PAGEb2 OK
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# PAGEa2 ERROR
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# PAGEb1 ERROR
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# PAGEa1 OK
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# FULLb OK
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# FULLa OK
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# Change PAGEa3, PAGEa2 and PAGEb1 status to OK
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self.change_backup_status(backup_dir, 'node', page_id_a3, 'OK')
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self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK')
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self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
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# PAGEb3 OK
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# PAGEa3 OK
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# PAGEb2 OK
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# PAGEa2 OK
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# PAGEb1 OK
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# PAGEa1 OK
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# FULLb OK
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# FULLa OK
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# Check that page_id_a3 and page_id_a2 are both direct descendants of page_id_a1
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self.assertEqual(
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self.show_pb(backup_dir, 'node', backup_id=page_id_a3)['parent-backup-id'],
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page_id_a1)
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self.assertEqual(
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self.show_pb(backup_dir, 'node', backup_id=page_id_a2)['parent-backup-id'],
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page_id_a1)
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self.merge_backup(
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backup_dir, 'node', page_id_a2,
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options=['--merge-expired', '--log-level-console=log'])
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try:
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self.merge_backup(
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backup_dir, 'node', page_id_a3,
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options=['--merge-expired', '--log-level-console=log'])
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self.assertEqual(
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1, 0,
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"Expecting Error because of parent FULL backup is missing.\n "
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"Output: {0} \n CMD: {1}".format(
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repr(self.output), self.cmd))
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except ProbackupException as e:
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self.assertTrue(
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"ERROR: Parent full backup for the given "
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"backup {0} was not found".format(
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page_id_a3) in e.message,
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(e.message), self.cmd))
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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# 1. always use parent link when merging (intermediates may be from different chain)
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# 2. page backup we are merging with may disappear after failed merge,
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# it should not be possible to continue merge after that
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