mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-12-11 11:41:33 +02:00
1214 lines
39 KiB
Python
1214 lines
39 KiB
Python
# coding: utf-8
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import unittest
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import os
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from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
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import shutil
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module_name = "merge"
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class MergeTest(ProbackupTest, unittest.TestCase):
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def test_merge_full_page(self):
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"""
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Test MERGE command, it merges FULL backup with target PAGE backups
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"""
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fname = self.id().split(".")[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
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# Initialize instance and backup directory
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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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)
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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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# Do full backup
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self.backup_node(backup_dir, "node", node)
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show_backup = self.show_pb(backup_dir, "node")[0]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "FULL")
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# Fill with data
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with node.connect() as conn:
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conn.execute("create table test (id int)")
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conn.execute(
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"insert into test select i from generate_series(1,10) s(i)")
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conn.commit()
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# Do first page backup
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self.backup_node(backup_dir, "node", node, backup_type="page")
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show_backup = self.show_pb(backup_dir, "node")[1]
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# sanity check
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "PAGE")
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# Fill with data
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with node.connect() as conn:
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conn.execute(
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"insert into test select i from generate_series(1,10) s(i)")
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count1 = conn.execute("select count(*) from test")
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conn.commit()
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# Do second page backup
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self.backup_node(backup_dir, "node", node, backup_type="page")
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show_backup = self.show_pb(backup_dir, "node")[2]
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page_id = show_backup["id"]
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if self.paranoia:
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pgdata = self.pgdata_content(node.data_dir)
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# sanity check
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "PAGE")
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# Merge all backups
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self.merge_backup(backup_dir, "node", page_id,
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options=["-j", "4"])
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show_backups = self.show_pb(backup_dir, "node")
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# sanity check
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self.assertEqual(len(show_backups), 1)
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self.assertEqual(show_backups[0]["status"], "OK")
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self.assertEqual(show_backups[0]["backup-mode"], "FULL")
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# Drop node and restore it
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node.cleanup()
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self.restore_node(backup_dir, 'node', node)
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# Check physical correctness
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if self.paranoia:
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pgdata_restored = self.pgdata_content(
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node.data_dir, ignore_ptrack=False)
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self.compare_pgdata(pgdata, pgdata_restored)
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node.slow_start()
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# Check restored node
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count2 = node.execute("postgres", "select count(*) from test")
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self.assertEqual(count1, count2)
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# Clean after yourself
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node.cleanup()
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self.del_test_dir(module_name, fname)
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def test_merge_compressed_backups(self):
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"""
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Test MERGE command with compressed backups
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"""
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fname = self.id().split(".")[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
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# Initialize instance and backup directory
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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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)
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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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# Do full compressed backup
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self.backup_node(backup_dir, "node", node, options=[
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'--compress-algorithm=zlib'])
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show_backup = self.show_pb(backup_dir, "node")[0]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "FULL")
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# Fill with data
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with node.connect() as conn:
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conn.execute("create table test (id int)")
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conn.execute(
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"insert into test select i from generate_series(1,10) s(i)")
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count1 = conn.execute("select count(*) from test")
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conn.commit()
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# Do compressed page backup
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self.backup_node(
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backup_dir, "node", node, backup_type="page",
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options=['--compress-algorithm=zlib'])
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show_backup = self.show_pb(backup_dir, "node")[1]
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page_id = show_backup["id"]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "PAGE")
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# Merge all backups
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self.merge_backup(backup_dir, "node", page_id)
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show_backups = self.show_pb(backup_dir, "node")
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self.assertEqual(len(show_backups), 1)
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self.assertEqual(show_backups[0]["status"], "OK")
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self.assertEqual(show_backups[0]["backup-mode"], "FULL")
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# Drop node and restore it
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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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# Check restored node
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count2 = node.execute("postgres", "select count(*) from test")
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self.assertEqual(count1, count2)
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# Clean after yourself
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node.cleanup()
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self.del_test_dir(module_name, fname)
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def test_merge_compressed_backups_1(self):
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"""
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Test MERGE command with compressed backups
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"""
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fname = self.id().split(".")[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
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# Initialize instance and backup directory
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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={
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'autovacuum': 'off'
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}
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)
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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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# Fill with data
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node.pgbench_init(scale=5)
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# Do compressed FULL backup
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self.backup_node(backup_dir, "node", node, options=[
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'--compress-algorithm=zlib', '--stream'])
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show_backup = self.show_pb(backup_dir, "node")[0]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "FULL")
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# Change data
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pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum'])
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pgbench.wait()
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# Do compressed DELTA backup
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self.backup_node(
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backup_dir, "node", node, backup_type="delta",
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options=['--compress-algorithm=zlib', '--stream'])
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# Change data
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pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum'])
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pgbench.wait()
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# Do compressed PAGE backup
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self.backup_node(
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backup_dir, "node", node, backup_type="page",
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options=['--compress-algorithm=zlib'])
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pgdata = self.pgdata_content(node.data_dir)
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show_backup = self.show_pb(backup_dir, "node")[2]
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page_id = show_backup["id"]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "PAGE")
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# Merge all backups
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self.merge_backup(backup_dir, "node", page_id)
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show_backups = self.show_pb(backup_dir, "node")
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self.assertEqual(len(show_backups), 1)
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self.assertEqual(show_backups[0]["status"], "OK")
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self.assertEqual(show_backups[0]["backup-mode"], "FULL")
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# Drop node and restore it
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node.cleanup()
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self.restore_node(backup_dir, 'node', node)
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pgdata_restored = self.pgdata_content(node.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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# Clean after yourself
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node.cleanup()
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self.del_test_dir(module_name, fname)
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def test_merge_compressed_and_uncompressed_backups(self):
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"""
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Test MERGE command with compressed and uncompressed backups
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"""
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fname = self.id().split(".")[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
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# Initialize instance and backup directory
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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={
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'autovacuum': 'off'
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}
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)
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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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# Fill with data
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node.pgbench_init(scale=5)
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# Do compressed FULL backup
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self.backup_node(backup_dir, "node", node, options=[
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'--compress-algorithm=zlib', '--stream'])
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show_backup = self.show_pb(backup_dir, "node")[0]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "FULL")
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# Change data
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pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum'])
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pgbench.wait()
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# Do compressed DELTA backup
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self.backup_node(
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backup_dir, "node", node, backup_type="delta",
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options=['--compress-algorithm=zlib', '--stream'])
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# Change data
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pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum'])
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pgbench.wait()
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# Do uncompressed PAGE backup
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self.backup_node(
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backup_dir, "node", node, backup_type="page")
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pgdata = self.pgdata_content(node.data_dir)
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show_backup = self.show_pb(backup_dir, "node")[2]
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page_id = show_backup["id"]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "PAGE")
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# Merge all backups
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self.merge_backup(backup_dir, "node", page_id)
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show_backups = self.show_pb(backup_dir, "node")
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self.assertEqual(len(show_backups), 1)
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self.assertEqual(show_backups[0]["status"], "OK")
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self.assertEqual(show_backups[0]["backup-mode"], "FULL")
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# Drop node and restore it
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node.cleanup()
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self.restore_node(backup_dir, 'node', node)
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pgdata_restored = self.pgdata_content(node.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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# Clean after yourself
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node.cleanup()
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self.del_test_dir(module_name, fname)
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def test_merge_compressed_and_uncompressed_backups_1(self):
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"""
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Test MERGE command with compressed and uncompressed backups
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"""
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fname = self.id().split(".")[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
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# Initialize instance and backup directory
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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={
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'autovacuum': 'off'
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}
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)
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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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# Fill with data
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node.pgbench_init(scale=5)
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# Do compressed FULL backup
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self.backup_node(backup_dir, "node", node, options=[
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'--compress-algorithm=zlib', '--stream'])
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show_backup = self.show_pb(backup_dir, "node")[0]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "FULL")
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# Change data
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pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum'])
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pgbench.wait()
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# Do uncompressed DELTA backup
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self.backup_node(
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backup_dir, "node", node, backup_type="delta",
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options=['--stream'])
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# Change data
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pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum'])
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pgbench.wait()
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# Do compressed PAGE backup
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self.backup_node(
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backup_dir, "node", node, backup_type="page",
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options=['--compress-algorithm=zlib'])
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pgdata = self.pgdata_content(node.data_dir)
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show_backup = self.show_pb(backup_dir, "node")[2]
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page_id = show_backup["id"]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "PAGE")
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# Merge all backups
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self.merge_backup(backup_dir, "node", page_id)
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show_backups = self.show_pb(backup_dir, "node")
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self.assertEqual(len(show_backups), 1)
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self.assertEqual(show_backups[0]["status"], "OK")
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self.assertEqual(show_backups[0]["backup-mode"], "FULL")
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# Drop node and restore it
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node.cleanup()
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self.restore_node(backup_dir, 'node', node)
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pgdata_restored = self.pgdata_content(node.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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# Clean after yourself
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node.cleanup()
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self.del_test_dir(module_name, fname)
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def test_merge_compressed_and_uncompressed_backups_2(self):
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"""
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Test MERGE command with compressed and uncompressed backups
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"""
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fname = self.id().split(".")[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
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# Initialize instance and backup directory
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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={
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'autovacuum': 'off'
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}
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)
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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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# Fill with data
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node.pgbench_init(scale=5)
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# Do uncompressed FULL backup
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self.backup_node(backup_dir, "node", node)
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show_backup = self.show_pb(backup_dir, "node")[0]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "FULL")
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# Change data
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pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum'])
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pgbench.wait()
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# Do compressed DELTA backup
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self.backup_node(
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backup_dir, "node", node, backup_type="delta",
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options=['--compress-algorithm=zlib', '--stream'])
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# Change data
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pgbench = node.pgbench(options=['-T', '20', '-c', '2', '--no-vacuum'])
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pgbench.wait()
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# Do uncompressed PAGE backup
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self.backup_node(
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backup_dir, "node", node, backup_type="page")
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pgdata = self.pgdata_content(node.data_dir)
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show_backup = self.show_pb(backup_dir, "node")[2]
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page_id = show_backup["id"]
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self.assertEqual(show_backup["status"], "OK")
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self.assertEqual(show_backup["backup-mode"], "PAGE")
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# Merge all backups
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self.merge_backup(backup_dir, "node", page_id)
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show_backups = self.show_pb(backup_dir, "node")
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self.assertEqual(len(show_backups), 1)
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self.assertEqual(show_backups[0]["status"], "OK")
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self.assertEqual(show_backups[0]["backup-mode"], "FULL")
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# Drop node and restore it
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node.cleanup()
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self.restore_node(backup_dir, 'node', node)
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pgdata_restored = self.pgdata_content(node.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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# Clean after yourself
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node.cleanup()
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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_tablespaces(self):
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"""
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Create tablespace with table, take FULL backup,
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create another tablespace with another table and drop previous
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tablespace, take page backup, merge it and restore
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"""
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fname = self.id().split('.')[3]
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
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node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node'),
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set_replication=True, initdb_params=['--data-checksums'],
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pg_options={
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'wal_level': 'replica',
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'max_wal_senders': '2',
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'autovacuum': 'off'
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}
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)
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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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self.create_tblspace_in_node(node, 'somedata')
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node.safe_psql(
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"postgres",
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|
"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={
|
|
'wal_level': 'replica',
|
|
'max_wal_senders': '2',
|
|
'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={
|
|
'wal_level': 'replica',
|
|
'max_wal_senders': '2',
|
|
'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={
|
|
'wal_level': 'replica',
|
|
'max_wal_senders': '2',
|
|
'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={
|
|
'wal_level': 'replica',
|
|
'max_wal_senders': '2',
|
|
'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={
|
|
'wal_level': 'replica',
|
|
'max_wal_senders': '2',
|
|
'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'],
|
|
pg_options={
|
|
'wal_level': 'replica'
|
|
}
|
|
)
|
|
|
|
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()
|
|
|
|
if gdb.continue_execution_until_break(20) != 'breakpoint-hit':
|
|
print('Failed to hit breakpoint')
|
|
exit(1)
|
|
|
|
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'],
|
|
pg_options={
|
|
'wal_level': 'replica'
|
|
}
|
|
)
|
|
|
|
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()
|
|
|
|
if gdb.continue_execution_until_break(2) != 'breakpoint-hit':
|
|
print('Failed to hit breakpoint')
|
|
exit(1)
|
|
|
|
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)
|
|
|
|
# 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
|