mirror of
https://github.com/postgrespro/pg_probackup.git
synced 2024-11-25 09:01:48 +02:00
1284 lines
42 KiB
Python
1284 lines
42 KiB
Python
import os
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import unittest
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from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
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from datetime import datetime, timedelta
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from testgres import QueryException
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import subprocess
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import time
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from threading import Thread
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module_name = 'delta'
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class DeltaTest(ProbackupTest, unittest.TestCase):
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# @unittest.skip("skip")
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def test_basic_delta_vacuum_truncate(self):
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"""
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make node, create table, take full backup,
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delete last 3 pages, vacuum relation,
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take delta backup, take second delta backup,
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restore latest delta backup and check data correctness
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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,
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initdb_params=['--data-checksums'],
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pg_options={
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'autovacuum': 'off'})
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node_restored = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node_restored'))
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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_restored.cleanup()
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node.slow_start()
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node.safe_psql(
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"postgres",
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"create sequence t_seq; "
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"create table t_heap as select i as id, "
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"md5(i::text) as text, "
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"md5(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,1024) i;"
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)
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node.safe_psql(
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"postgres",
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"vacuum t_heap"
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)
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self.backup_node(backup_dir, 'node', node, options=['--stream'])
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node.safe_psql(
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"postgres",
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"delete from t_heap where ctid >= '(11,0)'"
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)
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node.safe_psql(
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"postgres",
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"vacuum t_heap"
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)
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self.backup_node(
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backup_dir, 'node', node, backup_type='delta'
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)
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self.backup_node(
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backup_dir, 'node', node, backup_type='delta'
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)
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pgdata = self.pgdata_content(node.data_dir)
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self.restore_node(
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backup_dir, 'node', node_restored
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)
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# Physical comparison
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pgdata_restored = self.pgdata_content(node_restored.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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self.set_auto_conf(node_restored, {'port': node_restored.port})
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node_restored.slow_start()
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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_delta_vacuum_truncate_1(self):
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"""
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make node, create table, take full backup,
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delete last 3 pages, vacuum relation,
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take delta backup, take second delta backup,
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restore latest delta backup and check data correctness
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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,
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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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node_restored = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node_restored'),
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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_restored.cleanup()
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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 sequence t_seq; "
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"create table t_heap tablespace somedata as select i as id, "
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"md5(i::text) as text, "
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"md5(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,1024) i;"
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)
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node.safe_psql(
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"postgres",
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"vacuum t_heap"
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)
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self.backup_node(backup_dir, 'node', node)
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node.safe_psql(
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"postgres",
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"delete from t_heap where ctid >= '(11,0)'"
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)
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node.safe_psql(
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"postgres",
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"vacuum t_heap"
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)
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self.backup_node(
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backup_dir, 'node', node, backup_type='delta'
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)
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self.backup_node(
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backup_dir, 'node', node, backup_type='delta'
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)
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pgdata = self.pgdata_content(node.data_dir)
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old_tablespace = self.get_tblspace_path(node, 'somedata')
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new_tablespace = self.get_tblspace_path(node_restored, 'somedata_new')
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self.restore_node(
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backup_dir,
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'node',
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node_restored,
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options=[
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"-T", "{0}={1}".format(
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old_tablespace, new_tablespace)]
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)
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# Physical comparison
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pgdata_restored = self.pgdata_content(node_restored.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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self.set_auto_conf(node_restored, {'port': node_restored.port})
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node_restored.slow_start()
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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_delta_vacuum_truncate_2(self):
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"""
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make node, create table, take full backup,
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delete last 3 pages, vacuum relation,
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take delta backup, take second delta backup,
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restore latest delta backup and check data correctness
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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,
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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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node_restored = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'node_restored'),
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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_restored.cleanup()
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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 i as id, md5(i::text) as text, "
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"md5(repeat(i::text,10))::tsvector as tsvector "
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"from generate_series(0,10100000) i;"
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)
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filepath = node.safe_psql(
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"postgres",
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"select pg_relation_filepath('t_heap')"
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).rstrip()
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self.backup_node(backup_dir, 'node', node)
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print(os.path.join(node.data_dir, filepath + '.1'))
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os.unlink(os.path.join(node.data_dir, filepath + '.1'))
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self.backup_node(
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backup_dir, 'node', node, backup_type='delta')
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self.backup_node(
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backup_dir, 'node', node, backup_type='delta')
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pgdata = self.pgdata_content(node.data_dir)
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self.restore_node(
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backup_dir, 'node', node_restored)
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# Physical comparison
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pgdata_restored = self.pgdata_content(node_restored.data_dir)
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self.compare_pgdata(pgdata, pgdata_restored)
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self.set_auto_conf(node_restored, {'port': node_restored.port})
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node_restored.slow_start()
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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_delta_stream(self):
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"""
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make archive node, take full and delta stream backups,
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restore them and check data correctness
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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,
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initdb_params=['--data-checksums'],
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pg_options={
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'checkpoint_timeout': '30s'
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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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# FULL BACKUP
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node.safe_psql(
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"postgres",
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"create table t_heap as select i as id, md5(i::text) as text, "
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"md5(i::text)::tsvector as tsvector "
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"from generate_series(0,100) i")
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full_result = node.execute("postgres", "SELECT * FROM t_heap")
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full_backup_id = self.backup_node(
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backup_dir, 'node', node,
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backup_type='full', options=['--stream'])
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# delta BACKUP
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node.safe_psql(
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"postgres",
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"insert into t_heap select i as id, md5(i::text) as text, "
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"md5(i::text)::tsvector as tsvector "
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"from generate_series(100,200) i")
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delta_result = node.execute("postgres", "SELECT * FROM t_heap")
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delta_backup_id = self.backup_node(
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backup_dir, 'node', node,
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backup_type='delta', options=['--stream'])
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# Drop Node
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node.cleanup()
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# Check full backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(full_backup_id),
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self.restore_node(
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backup_dir, 'node', node,
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backup_id=full_backup_id,
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options=[
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"-j", "4", "--immediate",
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"--recovery-target-action=promote"]),
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'\n Unexpected Error Message: {0}\n'
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' CMD: {1}'.format(repr(self.output), self.cmd))
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node.slow_start()
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full_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(full_result, full_result_new)
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node.cleanup()
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# Check delta backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(delta_backup_id),
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self.restore_node(
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backup_dir, 'node', node,
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backup_id=delta_backup_id,
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options=[
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"-j", "4", "--immediate",
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"--recovery-target-action=promote"]),
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'\n Unexpected Error Message: {0}\n'
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' CMD: {1}'.format(repr(self.output), self.cmd))
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node.slow_start()
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delta_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(delta_result, delta_result_new)
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node.cleanup()
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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_delta_archive(self):
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"""
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make archive node, take full and delta archive backups,
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restore them and check data correctness
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"""
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self.maxDiff = None
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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,
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initdb_params=['--data-checksums'])
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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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node.safe_psql(
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"postgres",
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"create table t_heap as select i as id, md5(i::text) as text, "
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"md5(i::text)::tsvector as tsvector from generate_series(0,1) i")
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full_result = node.execute("postgres", "SELECT * FROM t_heap")
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full_backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type='full')
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# delta BACKUP
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node.safe_psql(
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"postgres",
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"insert into t_heap select i as id, md5(i::text) as text, "
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"md5(i::text)::tsvector as tsvector from generate_series(0,2) i")
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delta_result = node.execute("postgres", "SELECT * FROM t_heap")
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delta_backup_id = self.backup_node(
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backup_dir, 'node', node, backup_type='delta')
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# Drop Node
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node.cleanup()
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# Restore and check full backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(full_backup_id),
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self.restore_node(
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backup_dir, 'node', node,
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backup_id=full_backup_id,
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options=[
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"-j", "4", "--immediate",
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"--recovery-target-action=promote"]),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(self.output), self.cmd))
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node.slow_start()
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full_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(full_result, full_result_new)
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node.cleanup()
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# Restore and check delta backup
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self.assertIn(
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"INFO: Restore of backup {0} completed.".format(delta_backup_id),
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self.restore_node(
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backup_dir, 'node', node,
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backup_id=delta_backup_id,
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options=[
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"-j", "4", "--immediate",
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"--recovery-target-action=promote"]),
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'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
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repr(self.output), self.cmd))
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node.slow_start()
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delta_result_new = node.execute("postgres", "SELECT * FROM t_heap")
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self.assertEqual(delta_result, delta_result_new)
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node.cleanup()
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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_delta_multiple_segments(self):
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"""
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Make node, create table with multiple segments,
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write some data to it, check delta and data correctness
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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,
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initdb_params=['--data-checksums'],
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pg_options={
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'fsync': 'off',
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'shared_buffers': '1GB',
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'maintenance_work_mem': '1GB',
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'autovacuum': 'off',
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'full_page_writes': '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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# CREATE TABLE
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node.pgbench_init(
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scale=100,
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options=['--tablespace=somedata', '--no-vacuum'])
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# FULL BACKUP
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self.backup_node(backup_dir, 'node', node, options=['--stream'])
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# PGBENCH STUFF
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pgbench = node.pgbench(options=['-T', '50', '-c', '1', '--no-vacuum'])
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pgbench.wait()
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node.safe_psql("postgres", "checkpoint")
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# GET LOGICAL CONTENT FROM NODE
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result = node.safe_psql("postgres", "select * from pgbench_accounts")
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# 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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# GET PHYSICAL CONTENT FROM NODE
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pgdata = self.pgdata_content(node.data_dir)
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# RESTORE NODE
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restored_node = self.make_simple_node(
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base_dir=os.path.join(module_name, fname, 'restored_node'))
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restored_node.cleanup()
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tblspc_path = self.get_tblspace_path(node, 'somedata')
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tblspc_path_new = self.get_tblspace_path(
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restored_node, 'somedata_restored')
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self.restore_node(
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backup_dir, 'node', restored_node, options=[
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"-j", "4", "-T", "{0}={1}".format(tblspc_path, tblspc_path_new)])
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# GET PHYSICAL CONTENT FROM NODE_RESTORED
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pgdata_restored = self.pgdata_content(restored_node.data_dir)
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# START RESTORED NODE
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self.set_auto_conf(restored_node, {'port': restored_node.port})
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restored_node.slow_start()
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result_new = restored_node.safe_psql(
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"postgres", "select * from pgbench_accounts")
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# COMPARE RESTORED FILES
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self.assertEqual(result, result_new, 'data is lost')
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if self.paranoia:
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self.compare_pgdata(pgdata, pgdata_restored)
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# Clean after yourself
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self.del_test_dir(module_name, fname)
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|
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# @unittest.skip("skip")
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def test_delta_vacuum_full(self):
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"""
|
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make node, make full and delta stream backups,
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restore them and check data correctness
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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,
|
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initdb_params=['--data-checksums'])
|
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|
|
node_restored = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node_restored'))
|
|
node_restored.cleanup()
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
self.create_tblspace_in_node(node, 'somedata')
|
|
|
|
self.backup_node(backup_dir, 'node', node, options=['--stream'])
|
|
|
|
node.safe_psql(
|
|
"postgres",
|
|
"create table t_heap tablespace somedata as select i"
|
|
" as id from generate_series(0,1000000) i"
|
|
)
|
|
|
|
pg_connect = node.connect("postgres", autocommit=True)
|
|
|
|
gdb = self.gdb_attach(pg_connect.pid)
|
|
gdb.set_breakpoint('reform_and_rewrite_tuple')
|
|
|
|
gdb.continue_execution_until_running()
|
|
|
|
process = Thread(
|
|
target=pg_connect.execute, args=["VACUUM FULL t_heap"])
|
|
process.start()
|
|
|
|
while not gdb.stopped_in_breakpoint:
|
|
sleep(1)
|
|
|
|
gdb.continue_execution_until_break(20)
|
|
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta', options=['--stream'])
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
gdb.remove_all_breakpoints()
|
|
gdb._execute('detach')
|
|
process.join()
|
|
|
|
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)])
|
|
|
|
# Physical comparison
|
|
if self.paranoia:
|
|
pgdata_restored = self.pgdata_content(node_restored.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
self.set_auto_conf(node_restored, {'port': node_restored.port})
|
|
|
|
node_restored.slow_start()
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_create_db(self):
|
|
"""
|
|
Make node, take full backup, create database db1, take delta backup,
|
|
restore database and check it presense
|
|
"""
|
|
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={
|
|
'max_wal_size': '10GB',
|
|
'autovacuum': 'off'
|
|
}
|
|
)
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
|
|
# FULL BACKUP
|
|
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(0,100) i")
|
|
|
|
node.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
options=["--stream"])
|
|
|
|
# CREATE DATABASE DB1
|
|
node.safe_psql("postgres", "create database db1")
|
|
node.safe_psql(
|
|
"db1",
|
|
"create table t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
|
|
|
|
# DELTA BACKUP
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta',
|
|
options=["--stream"]
|
|
)
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
# 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,
|
|
backup_id=backup_id,
|
|
options=[
|
|
"-j", "4",
|
|
"--immediate",
|
|
"--recovery-target-action=promote"])
|
|
|
|
# COMPARE PHYSICAL CONTENT
|
|
if self.paranoia:
|
|
pgdata_restored = self.pgdata_content(node_restored.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# START RESTORED NODE
|
|
self.set_auto_conf(node_restored, {'port': node_restored.port})
|
|
node_restored.slow_start()
|
|
|
|
# DROP DATABASE DB1
|
|
node.safe_psql(
|
|
"postgres", "drop database db1")
|
|
# SECOND DELTA BACKUP
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta', options=["--stream"]
|
|
)
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
# RESTORE SECOND DELTA BACKUP
|
|
node_restored.cleanup()
|
|
self.restore_node(
|
|
backup_dir,
|
|
'node',
|
|
node_restored,
|
|
backup_id=backup_id,
|
|
options=[
|
|
"-j", "4",
|
|
"--immediate",
|
|
"--recovery-target-action=promote"]
|
|
)
|
|
|
|
# COMPARE PHYSICAL CONTENT
|
|
if self.paranoia:
|
|
pgdata_restored = self.pgdata_content(node_restored.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# START RESTORED NODE
|
|
self.set_auto_conf(node_restored, {'port': node_restored.port})
|
|
node_restored.slow_start()
|
|
|
|
try:
|
|
node_restored.safe_psql('db1', 'select 1')
|
|
# we should die here because exception is what we expect to happen
|
|
self.assertEqual(
|
|
1, 0,
|
|
"Expecting Error because we are connecting to deleted database"
|
|
"\n Output: {0} \n CMD: {1}".format(
|
|
repr(self.output), self.cmd))
|
|
except QueryException as e:
|
|
self.assertTrue(
|
|
'FATAL: database "db1" does not exist' in e.message,
|
|
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
|
|
repr(e.message), self.cmd))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_exists_in_previous_backup(self):
|
|
"""
|
|
Make node, take full backup, create table, take page backup,
|
|
take delta backup, check that file is no fully copied to delta backup
|
|
"""
|
|
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={
|
|
'max_wal_size': '10GB',
|
|
'checkpoint_timeout': '5min',
|
|
'autovacuum': 'off'
|
|
}
|
|
)
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
self.set_archiving(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
|
|
# FULL BACKUP
|
|
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(0,100) i")
|
|
|
|
node.safe_psql("postgres", "SELECT * FROM t_heap")
|
|
filepath = node.safe_psql(
|
|
"postgres",
|
|
"SELECT pg_relation_filepath('t_heap')").rstrip()
|
|
self.backup_node(
|
|
backup_dir,
|
|
'node',
|
|
node,
|
|
options=["--stream"])
|
|
|
|
# PAGE BACKUP
|
|
backup_id = self.backup_node(
|
|
backup_dir,
|
|
'node',
|
|
node,
|
|
backup_type='page'
|
|
)
|
|
|
|
fullpath = os.path.join(
|
|
backup_dir, 'backups', 'node', backup_id, 'database', filepath)
|
|
self.assertFalse(os.path.exists(fullpath))
|
|
|
|
# if self.paranoia:
|
|
# pgdata_page = self.pgdata_content(
|
|
# os.path.join(
|
|
# backup_dir, 'backups',
|
|
# 'node', backup_id, 'database'))
|
|
|
|
# DELTA BACKUP
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta',
|
|
options=["--stream"]
|
|
)
|
|
# if self.paranoia:
|
|
# pgdata_delta = self.pgdata_content(
|
|
# os.path.join(
|
|
# backup_dir, 'backups',
|
|
# 'node', backup_id, 'database'))
|
|
# self.compare_pgdata(
|
|
# pgdata_page, pgdata_delta)
|
|
|
|
fullpath = os.path.join(
|
|
backup_dir, 'backups', 'node', backup_id, 'database', filepath)
|
|
self.assertFalse(os.path.exists(fullpath))
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
# 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,
|
|
backup_id=backup_id,
|
|
options=[
|
|
"-j", "4",
|
|
"--immediate",
|
|
"--recovery-target-action=promote"])
|
|
|
|
# COMPARE PHYSICAL CONTENT
|
|
if self.paranoia:
|
|
pgdata_restored = self.pgdata_content(node_restored.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# START RESTORED NODE
|
|
self.set_auto_conf(node_restored, {'port': node_restored.port})
|
|
node_restored.slow_start()
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_alter_table_set_tablespace_delta(self):
|
|
"""
|
|
Make node, create tablespace with table, take full backup,
|
|
alter tablespace location, take delta backup, restore database.
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
node = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node'),
|
|
set_replication=True, initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '30s',
|
|
'autovacuum': 'off'
|
|
}
|
|
)
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
|
|
# FULL BACKUP
|
|
self.create_tblspace_in_node(node, 'somedata')
|
|
node.safe_psql(
|
|
"postgres",
|
|
"create table t_heap tablespace somedata as select i as id,"
|
|
" md5(i::text) as text, md5(i::text)::tsvector as tsvector"
|
|
" from generate_series(0,100) i")
|
|
|
|
# FULL backup
|
|
self.backup_node(backup_dir, 'node', node, options=["--stream"])
|
|
|
|
# ALTER TABLESPACE
|
|
self.create_tblspace_in_node(node, 'somedata_new')
|
|
node.safe_psql(
|
|
"postgres",
|
|
"alter table t_heap set tablespace somedata_new")
|
|
|
|
# DELTA BACKUP
|
|
result = node.safe_psql(
|
|
"postgres", "select * from t_heap")
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta',
|
|
options=["--stream"])
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
# 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')
|
|
),
|
|
"-T", "{0}={1}".format(
|
|
self.get_tblspace_path(node, 'somedata_new'),
|
|
self.get_tblspace_path(node_restored, 'somedata_new')
|
|
)
|
|
]
|
|
)
|
|
|
|
# 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
|
|
self.set_auto_conf(node_restored, {'port': node_restored.port})
|
|
node_restored.slow_start()
|
|
|
|
result_new = node_restored.safe_psql(
|
|
"postgres", "select * from t_heap")
|
|
|
|
self.assertEqual(result, result_new, 'lost some data after restore')
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_alter_database_set_tablespace_delta(self):
|
|
"""
|
|
Make node, take full backup, create database,
|
|
take delta backup, alter database tablespace location,
|
|
take delta backup restore last delta backup.
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
node = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'autovacuum': 'off'
|
|
}
|
|
)
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
self.create_tblspace_in_node(node, 'somedata')
|
|
|
|
# FULL backup
|
|
self.backup_node(backup_dir, 'node', node, options=["--stream"])
|
|
|
|
# CREATE DATABASE DB1
|
|
node.safe_psql(
|
|
"postgres",
|
|
"create database db1 tablespace = 'somedata'")
|
|
node.safe_psql(
|
|
"db1",
|
|
"create table t_heap as select i as id, md5(i::text) as text, "
|
|
"md5(i::text)::tsvector as tsvector from generate_series(0,100) i")
|
|
|
|
# DELTA BACKUP
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta',
|
|
options=["--stream"]
|
|
)
|
|
|
|
# ALTER TABLESPACE
|
|
self.create_tblspace_in_node(node, 'somedata_new')
|
|
node.safe_psql(
|
|
"postgres",
|
|
"alter database db1 set tablespace somedata_new"
|
|
)
|
|
|
|
# DELTA BACKUP
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta',
|
|
options=["--stream"]
|
|
)
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
# 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')
|
|
),
|
|
"-T", "{0}={1}".format(
|
|
self.get_tblspace_path(node, 'somedata_new'),
|
|
self.get_tblspace_path(node_restored, 'somedata_new')
|
|
)
|
|
]
|
|
)
|
|
|
|
# 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
|
|
self.set_auto_conf(node_restored, {'port': node_restored.port})
|
|
node_restored.slow_start()
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
# @unittest.skip("skip")
|
|
def test_delta_delete(self):
|
|
"""
|
|
Make node, create tablespace with table, take full backup,
|
|
alter tablespace location, take delta backup, restore database.
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
node = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node'),
|
|
set_replication=True, initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'checkpoint_timeout': '30s',
|
|
'autovacuum': 'off'
|
|
}
|
|
)
|
|
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
self.set_archiving(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
|
|
self.create_tblspace_in_node(node, 'somedata')
|
|
|
|
# FULL backup
|
|
self.backup_node(backup_dir, 'node', node, options=["--stream"])
|
|
|
|
node.safe_psql(
|
|
"postgres",
|
|
"create table t_heap tablespace somedata as select i as id,"
|
|
" md5(i::text) as text, md5(i::text)::tsvector as tsvector"
|
|
" from generate_series(0,100) i"
|
|
)
|
|
|
|
node.safe_psql(
|
|
"postgres",
|
|
"delete from t_heap"
|
|
)
|
|
|
|
node.safe_psql(
|
|
"postgres",
|
|
"vacuum t_heap"
|
|
)
|
|
|
|
# DELTA BACKUP
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta',
|
|
options=["--stream"]
|
|
)
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
# 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
|
|
self.set_auto_conf(node_restored, {'port': node_restored.port})
|
|
node_restored.slow_start()
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
def test_delta_nullified_heap_page_backup(self):
|
|
"""
|
|
make node, take full backup, nullify some heap block,
|
|
take delta backup, restore, physically compare pgdata`s
|
|
"""
|
|
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()
|
|
|
|
node.pgbench_init(scale=1)
|
|
|
|
file_path = node.safe_psql(
|
|
"postgres",
|
|
"select pg_relation_filepath('pgbench_accounts')").rstrip()
|
|
|
|
node.safe_psql(
|
|
"postgres",
|
|
"CHECKPOINT")
|
|
|
|
self.backup_node(
|
|
backup_dir, 'node', node)
|
|
|
|
# Nullify some block in PostgreSQL
|
|
file = os.path.join(node.data_dir, file_path).replace("\\", "/")
|
|
if os.name == 'nt':
|
|
file = file.replace("\\", "/")
|
|
|
|
with open(file, 'r+b', 0) as f:
|
|
f.seek(8192)
|
|
f.write(b"\x00"*8192)
|
|
f.flush()
|
|
f.close
|
|
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta', options=["--log-level-file=verbose"])
|
|
|
|
if self.paranoia:
|
|
pgdata = self.pgdata_content(node.data_dir)
|
|
|
|
if not self.remote:
|
|
log_file_path = os.path.join(backup_dir, "log", "pg_probackup.log")
|
|
with open(log_file_path) as f:
|
|
content = f.read()
|
|
|
|
self.assertIn(
|
|
'VERBOSE: File: "{0}" blknum 1, empty page'.format(file),
|
|
content)
|
|
self.assertNotIn(
|
|
"Skipping blknum 1 in file: {0}".format(file),
|
|
content)
|
|
|
|
# Restore DELTA backup
|
|
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)
|
|
|
|
if self.paranoia:
|
|
pgdata_restored = self.pgdata_content(node_restored.data_dir)
|
|
self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
def test_delta_backup_from_past(self):
|
|
"""
|
|
make node, take FULL stream backup, take DELTA stream backup,
|
|
restore FULL backup, try to take second DELTA stream backup
|
|
"""
|
|
fname = self.id().split('.')[3]
|
|
node = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'])
|
|
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
|
|
backup_id = self.backup_node(
|
|
backup_dir, 'node', node, options=['--stream'])
|
|
|
|
node.pgbench_init(scale=3)
|
|
|
|
# First DELTA
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta', options=['--stream'])
|
|
|
|
# Restore FULL backup
|
|
node.cleanup()
|
|
self.restore_node(backup_dir, 'node', node, backup_id=backup_id)
|
|
node.slow_start()
|
|
|
|
# Second DELTA backup
|
|
try:
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta', options=['--stream'])
|
|
# we should die here because exception is what we expect to happen
|
|
self.assertEqual(
|
|
1, 0,
|
|
"Expecting Error because we are backing up an instance from the past"
|
|
"\n Output: {0} \n CMD: {1}".format(
|
|
repr(self.output), self.cmd))
|
|
except ProbackupException as e:
|
|
self.assertTrue(
|
|
'ERROR: Current START LSN ' in e.message and
|
|
'is lower than START LSN ' in e.message and
|
|
'of previous backup ' in e.message and
|
|
'It may indicate that we are trying '
|
|
'to backup PostgreSQL instance from the past' in e.message,
|
|
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
|
|
repr(e.message), self.cmd))
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|
|
|
|
@unittest.skip("skip")
|
|
# @unittest.expectedFailure
|
|
def test_delta_pg_resetxlog(self):
|
|
fname = self.id().split('.')[3]
|
|
node = self.make_simple_node(
|
|
base_dir=os.path.join(module_name, fname, 'node'),
|
|
set_replication=True,
|
|
initdb_params=['--data-checksums'],
|
|
pg_options={
|
|
'autovacuum': 'off',
|
|
'shared_buffers': '512MB',
|
|
'max_wal_size': '3GB'})
|
|
|
|
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
|
|
self.init_pb(backup_dir)
|
|
self.add_instance(backup_dir, 'node', node)
|
|
node.slow_start()
|
|
|
|
# Create table
|
|
node.safe_psql(
|
|
"postgres",
|
|
"create extension bloom; create sequence t_seq; "
|
|
"create table t_heap "
|
|
"as select nextval('t_seq')::int as id, md5(i::text) as text, "
|
|
"md5(repeat(i::text,10))::tsvector as tsvector "
|
|
# "from generate_series(0,25600) i")
|
|
"from generate_series(0,2560) i")
|
|
|
|
self.backup_node(
|
|
backup_dir, 'node', node, options=['--stream'])
|
|
|
|
node.safe_psql(
|
|
'postgres',
|
|
"update t_heap set id = nextval('t_seq'), text = md5(text), "
|
|
"tsvector = md5(repeat(tsvector::text, 10))::tsvector")
|
|
|
|
# kill the bastard
|
|
if self.verbose:
|
|
print('Killing postmaster. Losing Ptrack changes')
|
|
node.stop(['-m', 'immediate', '-D', node.data_dir])
|
|
|
|
# now smack it with sledgehammer
|
|
if node.major_version >= 10:
|
|
pg_resetxlog_path = self.get_bin_path('pg_resetwal')
|
|
wal_dir = 'pg_wal'
|
|
else:
|
|
pg_resetxlog_path = self.get_bin_path('pg_resetxlog')
|
|
wal_dir = 'pg_xlog'
|
|
|
|
self.run_binary(
|
|
[
|
|
pg_resetxlog_path,
|
|
'-D',
|
|
node.data_dir,
|
|
'-o 42',
|
|
'-f'
|
|
],
|
|
asynchronous=False)
|
|
|
|
if not node.status():
|
|
node.slow_start()
|
|
else:
|
|
print("Die! Die! Why won't you die?... Why won't you die?")
|
|
exit(1)
|
|
|
|
# take ptrack backup
|
|
# self.backup_node(
|
|
# backup_dir, 'node', node,
|
|
# backup_type='delta', options=['--stream'])
|
|
|
|
try:
|
|
self.backup_node(
|
|
backup_dir, 'node', node,
|
|
backup_type='delta', options=['--stream'])
|
|
# we should die here because exception is what we expect to happen
|
|
self.assertEqual(
|
|
1, 0,
|
|
"Expecting Error because instance was brutalized by pg_resetxlog"
|
|
"\n Output: {0} \n CMD: {1}".format(
|
|
repr(self.output), self.cmd)
|
|
)
|
|
except ProbackupException as e:
|
|
self.assertIn(
|
|
'Insert error message',
|
|
e.message,
|
|
'\n Unexpected Error Message: {0}\n'
|
|
' CMD: {1}'.format(repr(e.message), self.cmd))
|
|
|
|
# pgdata = self.pgdata_content(node.data_dir)
|
|
#
|
|
# 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)
|
|
#
|
|
# pgdata_restored = self.pgdata_content(node_restored.data_dir)
|
|
# self.compare_pgdata(pgdata, pgdata_restored)
|
|
|
|
# Clean after yourself
|
|
self.del_test_dir(module_name, fname)
|