db/pg_probackup
db/pg_probackup
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pg_probackup/tests/merge.py

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# coding: utf-8
import unittest
import os
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
from testgres import QueryException
import shutil
from datetime import datetime, timedelta
import time
module_name = "merge"
class MergeTest(ProbackupTest, unittest.TestCase):
def test_basic_merge_full_page(self):
"""
Test MERGE command, it merges FULL backup with target PAGE backups
"""
fname = self.id().split(".")[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
# Initialize instance and backup directory
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=["--data-checksums"])
self.init_pb(backup_dir)
self.add_instance(backup_dir, "node", node)
self.set_archiving(backup_dir, "node", node)
node.slow_start()
# Do full backup
self.backup_node(backup_dir, "node", node, options=['--compress'])
show_backup = self.show_pb(backup_dir, "node")[0]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "FULL")
# Fill with data
with node.connect() as conn:
conn.execute("create table test (id int)")
conn.execute(
"insert into test select i from generate_series(1,10) s(i)")
conn.commit()
# Do first page backup
self.backup_node(backup_dir, "node", node, backup_type="page", options=['--compress'])
show_backup = self.show_pb(backup_dir, "node")[1]
# sanity check
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "PAGE")
# Fill with data
with node.connect() as conn:
conn.execute(
"insert into test select i from generate_series(1,10) s(i)")
count1 = conn.execute("select count(*) from test")
conn.commit()
# Do second page backup
self.backup_node(
backup_dir, "node", node,
backup_type="page", options=['--compress'])
show_backup = self.show_pb(backup_dir, "node")[2]
page_id = show_backup["id"]
if self.paranoia:
pgdata = self.pgdata_content(node.data_dir)
# sanity check
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "PAGE")
# Merge all backups
self.merge_backup(backup_dir, "node", page_id,
options=["-j", "4"])
show_backups = self.show_pb(backup_dir, "node")
# sanity check
self.assertEqual(len(show_backups), 1)
self.assertEqual(show_backups[0]["status"], "OK")
self.assertEqual(show_backups[0]["backup-mode"], "FULL")
# Drop node and restore it
node.cleanup()
self.restore_node(backup_dir, 'node', node)
# Check physical correctness
if self.paranoia:
pgdata_restored = self.pgdata_content(
node.data_dir, ignore_ptrack=False)
self.compare_pgdata(pgdata, pgdata_restored)
node.slow_start()
# Check restored node
count2 = node.execute("postgres", "select count(*) from test")
self.assertEqual(count1, count2)
# Clean after yourself
self.del_test_dir(module_name, fname, [node])
def test_merge_compressed_backups(self):
"""
Test MERGE command with compressed backups
"""
fname = self.id().split(".")[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
# Initialize instance and backup directory
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=["--data-checksums"])
self.init_pb(backup_dir)
self.add_instance(backup_dir, "node", node)
self.set_archiving(backup_dir, "node", node)
node.slow_start()
# Do full compressed backup
self.backup_node(backup_dir, "node", node, options=['--compress'])
show_backup = self.show_pb(backup_dir, "node")[0]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "FULL")
# Fill with data
with node.connect() as conn:
conn.execute("create table test (id int)")
conn.execute(
"insert into test select i from generate_series(1,10) s(i)")
count1 = conn.execute("select count(*) from test")
conn.commit()
# Do compressed page backup
self.backup_node(
backup_dir, "node", node, backup_type="page", options=['--compress'])
show_backup = self.show_pb(backup_dir, "node")[1]
page_id = show_backup["id"]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "PAGE")
# Merge all backups
self.merge_backup(backup_dir, "node", page_id, options=['-j2'])
show_backups = self.show_pb(backup_dir, "node")
self.assertEqual(len(show_backups), 1)
self.assertEqual(show_backups[0]["status"], "OK")
self.assertEqual(show_backups[0]["backup-mode"], "FULL")
# Drop node and restore it
node.cleanup()
self.restore_node(backup_dir, 'node', node)
node.slow_start()
# Check restored node
count2 = node.execute("postgres", "select count(*) from test")
self.assertEqual(count1, count2)
# Clean after yourself
node.cleanup()
self.del_test_dir(module_name, fname)
def test_merge_compressed_backups_1(self):
"""
Test MERGE command with compressed backups
"""
fname = self.id().split(".")[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
# Initialize instance and backup directory
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)
self.set_archiving(backup_dir, "node", node)
node.slow_start()
# Fill with data
node.pgbench_init(scale=10)
# Do compressed FULL backup
self.backup_node(backup_dir, "node", node, options=['--compress', '--stream'])
show_backup = self.show_pb(backup_dir, "node")[0]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "FULL")
# Change data
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
# Do compressed DELTA backup
self.backup_node(
backup_dir, "node", node,
backup_type="delta", options=['--compress', '--stream'])
# Change data
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
# Do compressed PAGE backup
self.backup_node(
backup_dir, "node", node, backup_type="page", options=['--compress'])
pgdata = self.pgdata_content(node.data_dir)
show_backup = self.show_pb(backup_dir, "node")[2]
page_id = show_backup["id"]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "PAGE")
# Merge all backups
self.merge_backup(backup_dir, "node", page_id, options=['-j2'])
show_backups = self.show_pb(backup_dir, "node")
self.assertEqual(len(show_backups), 1)
self.assertEqual(show_backups[0]["status"], "OK")
self.assertEqual(show_backups[0]["backup-mode"], "FULL")
# Drop node and restore it
node.cleanup()
self.restore_node(backup_dir, 'node', node)
pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
node.cleanup()
self.del_test_dir(module_name, fname)
def test_merge_compressed_and_uncompressed_backups(self):
"""
Test MERGE command with compressed and uncompressed backups
"""
fname = self.id().split(".")[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
# Initialize instance and backup directory
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)
self.set_archiving(backup_dir, "node", node)
node.slow_start()
# Fill with data
node.pgbench_init(scale=10)
# Do compressed FULL backup
self.backup_node(backup_dir, "node", node, options=[
'--compress-algorithm=zlib', '--stream'])
show_backup = self.show_pb(backup_dir, "node")[0]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "FULL")
# Change data
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
# Do compressed DELTA backup
self.backup_node(
backup_dir, "node", node, backup_type="delta",
options=['--compress', '--stream'])
# Change data
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
# Do uncompressed PAGE backup
self.backup_node(backup_dir, "node", node, backup_type="page")
pgdata = self.pgdata_content(node.data_dir)
show_backup = self.show_pb(backup_dir, "node")[2]
page_id = show_backup["id"]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "PAGE")
# Merge all backups
self.merge_backup(backup_dir, "node", page_id, options=['-j2'])
show_backups = self.show_pb(backup_dir, "node")
self.assertEqual(len(show_backups), 1)
self.assertEqual(show_backups[0]["status"], "OK")
self.assertEqual(show_backups[0]["backup-mode"], "FULL")
# Drop node and restore it
node.cleanup()
self.restore_node(backup_dir, 'node', node)
pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
node.cleanup()
self.del_test_dir(module_name, fname)
def test_merge_compressed_and_uncompressed_backups_1(self):
"""
Test MERGE command with compressed and uncompressed backups
"""
fname = self.id().split(".")[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
# Initialize instance and backup directory
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)
self.set_archiving(backup_dir, "node", node)
node.slow_start()
# Fill with data
node.pgbench_init(scale=5)
# Do compressed FULL backup
self.backup_node(backup_dir, "node", node, options=[
'--compress-algorithm=zlib', '--stream'])
show_backup = self.show_pb(backup_dir, "node")[0]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "FULL")
# Change data
pgbench = node.pgbench(options=['-T', '20', '-c', '1', '--no-vacuum'])
pgbench.wait()
# Do uncompressed DELTA backup
self.backup_node(
backup_dir, "node", node, backup_type="delta",
options=['--stream'])
# Change data
pgbench = node.pgbench(options=['-T', '20', '-c', '1', '--no-vacuum'])
pgbench.wait()
# Do compressed PAGE backup
self.backup_node(
backup_dir, "node", node, backup_type="page",
options=['--compress-algorithm=zlib'])
pgdata = self.pgdata_content(node.data_dir)
show_backup = self.show_pb(backup_dir, "node")[2]
page_id = show_backup["id"]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "PAGE")
# Merge all backups
self.merge_backup(backup_dir, "node", page_id)
show_backups = self.show_pb(backup_dir, "node")
self.assertEqual(len(show_backups), 1)
self.assertEqual(show_backups[0]["status"], "OK")
self.assertEqual(show_backups[0]["backup-mode"], "FULL")
# Drop node and restore it
node.cleanup()
self.restore_node(backup_dir, 'node', node)
pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
node.cleanup()
self.del_test_dir(module_name, fname)
def test_merge_compressed_and_uncompressed_backups_2(self):
"""
Test MERGE command with compressed and uncompressed backups
"""
fname = self.id().split(".")[3]
backup_dir = os.path.join(self.tmp_path, module_name, fname, "backup")
# Initialize instance and backup directory
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)
self.set_archiving(backup_dir, "node", node)
node.slow_start()
# Fill with data
node.pgbench_init(scale=20)
# Do uncompressed FULL backup
self.backup_node(backup_dir, "node", node)
show_backup = self.show_pb(backup_dir, "node")[0]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "FULL")
# Change data
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
# Do compressed DELTA backup
self.backup_node(
backup_dir, "node", node, backup_type="delta",
options=['--compress-algorithm=zlib', '--stream'])
# Change data
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
# Do uncompressed PAGE backup
self.backup_node(
backup_dir, "node", node, backup_type="page")
pgdata = self.pgdata_content(node.data_dir)
show_backup = self.show_pb(backup_dir, "node")[2]
page_id = show_backup["id"]
self.assertEqual(show_backup["status"], "OK")
self.assertEqual(show_backup["backup-mode"], "PAGE")
# Merge all backups
self.merge_backup(backup_dir, "node", page_id)
show_backups = self.show_pb(backup_dir, "node")
self.assertEqual(len(show_backups), 1)
self.assertEqual(show_backups[0]["status"], "OK")
self.assertEqual(show_backups[0]["backup-mode"], "FULL")
# Drop node and restore it
node.cleanup()
self.restore_node(backup_dir, 'node', node)
pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
node.cleanup()
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_merge_tablespaces(self):
"""
Create tablespace with table, take FULL backup,
create another tablespace with another table and drop previous
tablespace, take page 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={
'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')
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)
# 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={
'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={
'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)])
# 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()
# 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={
'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)])
# 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()
# 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
"""
if not self.ptrack:
return unittest.skip('Skipped because ptrack support is disabled')
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'],
ptrack_enable=True,
pg_options={'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
if node.major_version >= 12:
node.safe_psql(
"postgres",
"CREATE EXTENSION ptrack")
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)
node_restored = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node_restored'))
node_restored.cleanup()
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()
# 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={
'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
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_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'])
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('backup_non_data_file_internal')
gdb.run_until_break()
gdb.continue_execution_until_break(5)
gdb._execute('signal SIGKILL')
gdb._execute('detach')
time.sleep(1)
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'])
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('backup_non_data_file_internal')
gdb.run_until_break()
gdb.continue_execution_until_break(2)
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:
print(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: Backup {0} has status CORRUPT, merge is aborted".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)
def test_continue_failed_merge_2(self):
"""
Check that failed MERGE on delete 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'])
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('pgFileDelete')
gdb.run_until_break()
gdb._execute('thread apply all bt')
gdb.continue_execution_until_break(20)
gdb._execute('thread apply all bt')
gdb._execute('signal SIGKILL')
print(self.show_pb(backup_dir, as_text=True, as_json=False))
backup_id_deleted = self.show_pb(backup_dir, "node")[1]["id"]
# TODO check that full backup has meta info is equal to DELETTING
# Try to continue failed MERGE
self.merge_backup(backup_dir, "node", backup_id)
# Clean after yourself
self.del_test_dir(module_name, fname)
def test_continue_failed_merge_3(self):
"""
Check that failed MERGE cannot be continued if intermediate
backup is missing.
"""
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'])
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# Create test data
node.safe_psql("postgres", "create sequence t_seq")
node.safe_psql(
"postgres",
"create table t_heap as select i as id, nextval('t_seq')"
" as t_seq, md5(i::text) as text, md5(i::text)::tsvector"
" as tsvector from generate_series(0,100000) i"
)
# FULL backup
self.backup_node(backup_dir, 'node', node)
# CREATE FEW PAGE BACKUP
i = 0
while i < 2:
node.safe_psql(
"postgres",
"delete from t_heap"
)
node.safe_psql(
"postgres",
"vacuum t_heap"
)
node.safe_psql(
"postgres",
"insert into t_heap select i as id, nextval('t_seq') as t_seq,"
" md5(i::text) as text, md5(i::text)::tsvector as tsvector"
" from generate_series(100,200000) i"
)
# PAGE BACKUP
self.backup_node(
backup_dir, 'node', node, backup_type='page'
)
i = i + 1
if self.paranoia:
pgdata = self.pgdata_content(node.data_dir)
backup_id_merge = self.show_pb(backup_dir, "node")[2]["id"]
backup_id_delete = self.show_pb(backup_dir, "node")[1]["id"]
print(self.show_pb(backup_dir, as_text=True, as_json=False))
gdb = self.merge_backup(backup_dir, "node", backup_id_merge, gdb=True)
gdb.set_breakpoint('backup_non_data_file_internal')
gdb.run_until_break()
gdb.continue_execution_until_break(2)
gdb._execute('signal SIGKILL')
print(self.show_pb(backup_dir, as_text=True, as_json=False))
# print(os.path.join(backup_dir, "backups", "node", backup_id_delete))
# DELETE PAGE1
shutil.rmtree(
os.path.join(backup_dir, "backups", "node", backup_id_delete))
# Try to continue failed MERGE
try:
self.merge_backup(backup_dir, "node", backup_id_merge)
self.assertEqual(
1, 0,
"Expecting Error because of backup corruption.\n "
"Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
"ERROR: Incremental chain is broken, "
"merge is impossible to finish" 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)
def test_merge_different_compression_algo(self):
"""
Check that backups with different compression algorithms can be merged
"""
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'])
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, options=['--compress-algorithm=zlib'])
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', options=['--compress-algorithm=pglz'])
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"]
self.merge_backup(backup_dir, "node", backup_id)
self.del_test_dir(module_name, fname)
def test_merge_different_wal_modes(self):
"""
Check that backups with different wal modes can be merged
correctly
"""
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'])
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL stream backup
self.backup_node(
backup_dir, 'node', node, options=['--stream'])
# DELTA archive backup
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type='delta')
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
self.assertEqual(
'ARCHIVE', self.show_pb(backup_dir, 'node', backup_id)['wal'])
# DELTA stream backup
backup_id = self.backup_node(
backup_dir, 'node', node,
backup_type='delta', options=['--stream'])
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
self.assertEqual(
'STREAM', self.show_pb(backup_dir, 'node', backup_id)['wal'])
self.del_test_dir(module_name, fname)
def test_crash_after_opening_backup_control_1(self):
"""
check that crashing after opening backup.control
for writing will not result in losing backup metadata
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL stream backup
self.backup_node(
backup_dir, 'node', node, options=['--stream'])
# DELTA archive backup
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type='delta')
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True)
gdb.set_breakpoint('write_backup_filelist')
gdb.run_until_break()
gdb.set_breakpoint('write_backup')
gdb.continue_execution_until_break()
gdb.set_breakpoint('pgBackupWriteControl')
gdb.continue_execution_until_break()
gdb._execute('signal SIGKILL')
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
self.assertEqual(
'MERGING', self.show_pb(backup_dir, 'node')[0]['status'])
self.assertEqual(
'MERGING', self.show_pb(backup_dir, 'node')[1]['status'])
self.del_test_dir(module_name, fname)
@unittest.skip("skip")
def test_crash_after_opening_backup_control_2(self):
"""
check that crashing after opening backup_content.control
for writing will not result in losing metadata about backup files
TODO: rewrite
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# Add data
node.pgbench_init(scale=3)
# FULL backup
full_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
# Change data
pgbench = node.pgbench(options=['-T', '20', '-c', '2'])
pgbench.wait()
path = node.safe_psql(
'postgres',
"select pg_relation_filepath('pgbench_accounts')").rstrip()
fsm_path = path + '_fsm'
node.safe_psql(
'postgres',
'vacuum pgbench_accounts')
# DELTA backup
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type='delta')
pgdata = self.pgdata_content(node.data_dir)
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True)
gdb.set_breakpoint('write_backup_filelist')
gdb.run_until_break()
gdb.set_breakpoint('sprintf')
gdb.continue_execution_until_break(1)
gdb._execute('signal SIGKILL')
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
self.assertEqual(
'MERGING', self.show_pb(backup_dir, 'node')[0]['status'])
self.assertEqual(
'MERGING', self.show_pb(backup_dir, 'node')[1]['status'])
# In to_backup drop file that comes from from_backup
# emulate crash during previous merge
file_to_remove = os.path.join(
backup_dir, 'backups',
'node', full_id, 'database', fsm_path)
# print(file_to_remove)
os.remove(file_to_remove)
# Continue failed merge
self.merge_backup(backup_dir, "node", backup_id)
node.cleanup()
# restore merge backup
self.restore_node(backup_dir, 'node', node)
pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
self.del_test_dir(module_name, fname)
@unittest.skip("skip")
def test_losing_file_after_failed_merge(self):
"""
check that crashing after opening backup_content.control
for writing will not result in losing metadata about backup files
TODO: rewrite
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# Add data
node.pgbench_init(scale=1)
# FULL backup
full_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
# Change data
node.safe_psql(
'postgres',
"update pgbench_accounts set aid = aid + 1005000")
path = node.safe_psql(
'postgres',
"select pg_relation_filepath('pgbench_accounts')").rstrip()
node.safe_psql(
'postgres',
"VACUUM pgbench_accounts")
vm_path = path + '_vm'
# DELTA backup
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type='delta')
pgdata = self.pgdata_content(node.data_dir)
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
gdb = self.merge_backup(backup_dir, "node", backup_id, gdb=True)
gdb.set_breakpoint('write_backup_filelist')
gdb.run_until_break()
gdb.set_breakpoint('sprintf')
gdb.continue_execution_until_break(20)
gdb._execute('signal SIGKILL')
print(self.show_pb(
backup_dir, 'node', as_json=False, as_text=True))
self.assertEqual(
'MERGING', self.show_pb(backup_dir, 'node')[0]['status'])
self.assertEqual(
'MERGING', self.show_pb(backup_dir, 'node')[1]['status'])
# In to_backup drop file that comes from from_backup
# emulate crash during previous merge
file_to_remove = os.path.join(
backup_dir, 'backups',
'node', full_id, 'database', vm_path)
os.remove(file_to_remove)
# Try to continue failed MERGE
self.merge_backup(backup_dir, "node", backup_id)
self.assertEqual(
'OK', self.show_pb(backup_dir, 'node')[0]['status'])
node.cleanup()
self.restore_node(backup_dir, 'node', node)
pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
self.del_test_dir(module_name, fname)
def test_failed_merge_after_delete(self):
"""
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# add database
node.safe_psql(
'postgres',
'CREATE DATABASE testdb')
dboid = node.safe_psql(
"postgres",
"select oid from pg_database where datname = 'testdb'").rstrip()
# take FULL backup
full_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
# drop database
node.safe_psql(
'postgres',
'DROP DATABASE testdb')
# take PAGE backup
page_id = self.backup_node(
backup_dir, 'node', node, backup_type='page')
page_id_2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
gdb = self.merge_backup(
backup_dir, 'node', page_id,
gdb=True, options=['--log-level-console=verbose'])
gdb.set_breakpoint('delete_backup_files')
gdb.run_until_break()
gdb.set_breakpoint('pgFileDelete')
gdb.continue_execution_until_break(20)
gdb._execute('signal SIGKILL')
# backup half-merged
self.assertEqual(
'MERGED', self.show_pb(backup_dir, 'node')[0]['status'])
self.assertEqual(
full_id, self.show_pb(backup_dir, 'node')[0]['id'])
db_path = os.path.join(
backup_dir, 'backups', 'node',
full_id, 'database', 'base', dboid)
try:
self.merge_backup(
backup_dir, 'node', page_id_2,
options=['--log-level-console=verbose'])
self.assertEqual(
1, 0,
"Expecting Error because of missing parent.\n "
"Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
"ERROR: Full backup {0} has unfinished merge with backup {1}".format(
full_id, page_id) in e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
repr(e.message), self.cmd))
self.del_test_dir(module_name, fname)
def test_failed_merge_after_delete_1(self):
"""
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# take FULL backup
full_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
node.pgbench_init(scale=1)
page_1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Change PAGE1 backup status to ERROR
self.change_backup_status(backup_dir, 'node', page_1, 'ERROR')
pgdata = self.pgdata_content(node.data_dir)
# add data
pgbench = node.pgbench(options=['-T', '10', '-c', '2', '--no-vacuum'])
pgbench.wait()
# take PAGE2 backup
page_id = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Change PAGE1 backup status to OK
self.change_backup_status(backup_dir, 'node', page_1, 'OK')
gdb = self.merge_backup(
backup_dir, 'node', page_id,
gdb=True, options=['--log-level-console=verbose'])
gdb.set_breakpoint('delete_backup_files')
gdb.run_until_break()
# gdb.set_breakpoint('parray_bsearch')
# gdb.continue_execution_until_break()
gdb.set_breakpoint('pgFileDelete')
gdb.continue_execution_until_break(30)
gdb._execute('signal SIGKILL')
self.assertEqual(
full_id, self.show_pb(backup_dir, 'node')[0]['id'])
# restore
node.cleanup()
try:
#self.restore_node(backup_dir, 'node', node, backup_id=page_1)
self.restore_node(backup_dir, 'node', node)
self.assertEqual(
1, 0,
"Expecting Error because of orphan status.\n "
"Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertIn(
"ERROR: Backup {0} is orphan".format(page_1),
e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
repr(e.message), self.cmd))
self.del_test_dir(module_name, fname)
def test_failed_merge_after_delete_2(self):
"""
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# take FULL backup
full_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
node.pgbench_init(scale=1)
page_1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# add data
pgbench = node.pgbench(options=['-T', '10', '-c', '2', '--no-vacuum'])
pgbench.wait()
# take PAGE2 backup
page_2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
gdb = self.merge_backup(
backup_dir, 'node', page_2, gdb=True,
options=['--log-level-console=VERBOSE'])
gdb.set_breakpoint('pgFileDelete')
gdb.run_until_break()
gdb.continue_execution_until_break(2)
gdb._execute('signal SIGKILL')
self.delete_pb(backup_dir, 'node', backup_id=page_2)
# rerun merge
try:
#self.restore_node(backup_dir, 'node', node, backup_id=page_1)
self.merge_backup(backup_dir, 'node', page_1)
self.assertEqual(
1, 0,
"Expecting Error because of backup is missing.\n "
"Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertIn(
"ERROR: Full backup {0} has unfinished merge "
"with backup {1}".format(full_id, page_2),
e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
repr(e.message), self.cmd))
self.del_test_dir(module_name, fname)
def test_failed_merge_after_delete_3(self):
"""
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# add database
node.safe_psql(
'postgres',
'CREATE DATABASE testdb')
dboid = node.safe_psql(
"postgres",
"select oid from pg_database where datname = 'testdb'").rstrip()
# take FULL backup
full_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
# drop database
node.safe_psql(
'postgres',
'DROP DATABASE testdb')
# take PAGE backup
page_id = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# create database
node.safe_psql(
'postgres',
'create DATABASE testdb')
page_id_2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
gdb = self.merge_backup(
backup_dir, 'node', page_id,
gdb=True, options=['--log-level-console=verbose'])
gdb.set_breakpoint('delete_backup_files')
gdb.run_until_break()
gdb.set_breakpoint('pgFileDelete')
gdb.continue_execution_until_break(20)
gdb._execute('signal SIGKILL')
# backup half-merged
self.assertEqual(
'MERGED', self.show_pb(backup_dir, 'node')[0]['status'])
self.assertEqual(
full_id, self.show_pb(backup_dir, 'node')[0]['id'])
db_path = os.path.join(
backup_dir, 'backups', 'node', full_id)
# FULL backup is missing now
shutil.rmtree(db_path)
try:
self.merge_backup(
backup_dir, 'node', page_id_2,
options=['--log-level-console=verbose'])
self.assertEqual(
1, 0,
"Expecting Error because of missing parent.\n "
"Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
"ERROR: Failed to find parent full backup for {0}".format(
page_id_2) in e.message,
'\n Unexpected Error Message: {0}\n CMD: {1}'.format(
repr(e.message), self.cmd))
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_merge_backup_from_future(self):
"""
take FULL backup, table PAGE backup from future,
try to merge page with FULL
"""
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'})
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# Take FULL
self.backup_node(backup_dir, 'node', node)
node.pgbench_init(scale=5)
# Take PAGE from future
backup_id = self.backup_node(
backup_dir, 'node', node, backup_type='page')
with open(
os.path.join(
backup_dir, 'backups', 'node',
backup_id, "backup.control"), "a") as conf:
conf.write("start-time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() + timedelta(days=3)))
# rename directory
new_id = self.show_pb(backup_dir, 'node')[1]['id']
os.rename(
os.path.join(backup_dir, 'backups', 'node', backup_id),
os.path.join(backup_dir, 'backups', 'node', new_id))
pgbench = node.pgbench(options=['-T', '5', '-c', '1', '--no-vacuum'])
pgbench.wait()
backup_id = self.backup_node(backup_dir, 'node', node, backup_type='page')
pgdata = self.pgdata_content(node.data_dir)
result = node.safe_psql(
'postgres',
'SELECT * from pgbench_accounts')
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)
pgdata_restored = self.pgdata_content(node_restored.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
# check that merged backup has the same state as
node_restored.cleanup()
self.merge_backup(backup_dir, 'node', backup_id=backup_id)
self.restore_node(
backup_dir, 'node',
node_restored, backup_id=backup_id)
pgdata_restored = self.pgdata_content(node_restored.data_dir)
self.set_auto_conf(
node_restored,
{'port': node_restored.port})
node_restored.slow_start()
result_new = node_restored.safe_psql(
'postgres',
'SELECT * from pgbench_accounts')
self.assertTrue(result, result_new)
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_merge_multiple_descendants(self):
"""
PAGEb3
| PAGEa3
PAGEb2 /
| PAGEa2 /
PAGEb1 \ /
| PAGEa1
FULLb |
FULLa
"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
initdb_params=['--data-checksums'])
backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# Take FULL BACKUPs
backup_id_a = self.backup_node(backup_dir, 'node', node)
backup_id_b = self.backup_node(backup_dir, 'node', node)
# Change FULLb backup status to ERROR
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
page_id_a1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# Change FULLb backup status to OK
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa1 backup status to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a1, 'ERROR')
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
page_id_b1 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb1 OK
# PAGEa1 ERROR
# FULLb OK
# FULLa OK
# Change PAGEa1 to OK
self.change_backup_status(backup_dir, 'node', page_id_a1, 'OK')
# Change PAGEb1 and FULLb to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEa2 OK
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEb1 and FULLb to OK
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'OK')
# Change PAGEa2 and FULL to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a2, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'ERROR')
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
page_id_b2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb2 OK
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
# Change PAGEb2, PAGEb1 and FULLb to ERROR
self.change_backup_status(backup_dir, 'node', page_id_b2, 'ERROR')
self.change_backup_status(backup_dir, 'node', page_id_b1, 'ERROR')
self.change_backup_status(backup_dir, 'node', backup_id_b, 'ERROR')
# Change FULLa to OK
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
# PAGEb2 ERROR
# PAGEa2 ERROR
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
page_id_a3 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEa3 OK
# PAGEb2 ERROR
# PAGEa2 ERROR
# PAGEb1 ERROR
# PAGEa1 OK
# FULLb ERROR
# FULLa OK
# Change PAGEa3 and FULLa to ERROR
self.change_backup_status(backup_dir, 'node', page_id_a3, 'ERROR')
# Change PAGEb2, PAGEb1 and FULLb to OK
self.change_backup_status(backup_dir, 'node', page_id_b2, 'OK')
self.change_backup_status(backup_dir, 'node', page_id_b1, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
page_id_b3 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# PAGEb3 OK
# PAGEa3 ERROR
# PAGEb2 OK
# PAGEa2 ERROR
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa ERROR
# Change PAGEa3, PAGEa2 and FULLa status to OK
self.change_backup_status(backup_dir, 'node', page_id_a3, 'OK')
self.change_backup_status(backup_dir, 'node', page_id_a2, 'OK')
self.change_backup_status(backup_dir, 'node', backup_id_a, 'OK')
# PAGEb3 OK
# PAGEa3 OK
# PAGEb2 OK
# PAGEa2 OK
# PAGEb1 OK
# PAGEa1 OK
# FULLb OK
# FULLa OK
# Check that page_id_a3 and page_id_a2 are both direct descendants of page_id_a1
self.assertEqual(
self.show_pb(backup_dir, 'node', backup_id=page_id_a3)['parent-backup-id'],
page_id_a1)
self.assertEqual(
self.show_pb(backup_dir, 'node', backup_id=page_id_a2)['parent-backup-id'],
page_id_a1)
self.merge_backup(
backup_dir, 'node', page_id_a2,
options=['--merge-expired', '--log-level-console=log'])
try:
self.merge_backup(
backup_dir, 'node', page_id_a3,
options=['--merge-expired', '--log-level-console=log'])
self.assertEqual(
1, 0,
"Expecting Error because of parent FULL backup is missing.\n "
"Output: {0} \n CMD: {1}".format(
repr(self.output), self.cmd))
except ProbackupException as e:
self.assertTrue(
"ERROR: Failed to find parent full backup for {0}".format(
page_id_a3) 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, [node])
# @unittest.skip("skip")
def test_smart_merge(self):
"""
make node, create database, take full backup, drop database,
take PAGE backup and merge it into FULL,
make sure that files from dropped database are not
copied during restore
https://github.com/postgrespro/pg_probackup/issues/63
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# create database
node.safe_psql(
"postgres",
"CREATE DATABASE testdb")
# take FULL backup
full_id = self.backup_node(backup_dir, 'node', node)
# drop database
node.safe_psql(
"postgres",
"DROP DATABASE testdb")
# take PAGE backup
page_id = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# get delta between FULL and PAGE filelists
filelist_full = self.get_backup_filelist(
backup_dir, 'node', full_id)
filelist_page = self.get_backup_filelist(
backup_dir, 'node', page_id)
filelist_diff = self.get_backup_filelist_diff(
filelist_full, filelist_page)
# merge PAGE backup
self.merge_backup(
backup_dir, 'node', page_id,
options=['--log-level-file=VERBOSE'])
logfile = os.path.join(backup_dir, 'log', 'pg_probackup.log')
with open(logfile, 'r') as f:
logfile_content = f.read()
# Clean after yourself
self.del_test_dir(module_name, fname, [node])
def test_idempotent_merge(self):
"""
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# add database
node.safe_psql(
'postgres',
'CREATE DATABASE testdb')
# take FULL backup
full_id = self.backup_node(
backup_dir, 'node', node, options=['--stream'])
# create database
node.safe_psql(
'postgres',
'create DATABASE testdb1')
# take PAGE backup
page_id = self.backup_node(
backup_dir, 'node', node, backup_type='page')
# create database
node.safe_psql(
'postgres',
'create DATABASE testdb2')
page_id_2 = self.backup_node(
backup_dir, 'node', node, backup_type='page')
gdb = self.merge_backup(
backup_dir, 'node', page_id_2,
gdb=True, options=['--log-level-console=verbose'])
gdb.set_breakpoint('delete_backup_files')
gdb.run_until_break()
gdb.remove_all_breakpoints()
gdb.set_breakpoint('rename')
gdb.continue_execution_until_break()
gdb.continue_execution_until_break(2)
gdb._execute('signal SIGKILL')
show_backups = self.show_pb(backup_dir, "node")
self.assertEqual(len(show_backups), 1)
self.assertEqual(
'MERGED', self.show_pb(backup_dir, 'node')[0]['status'])
self.assertEqual(
full_id, self.show_pb(backup_dir, 'node')[0]['id'])
self.merge_backup(backup_dir, 'node', page_id_2)
self.assertEqual(
'OK', self.show_pb(backup_dir, 'node')[0]['status'])
self.assertEqual(
page_id_2, self.show_pb(backup_dir, 'node')[0]['id'])
self.del_test_dir(module_name, fname, [node])
def test_merge_correct_inheritance(self):
"""
Make sure that backup metainformation fields
'note' and 'expire-time' are correctly inherited
during 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={'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# add database
node.safe_psql(
'postgres',
'CREATE DATABASE testdb')
# take FULL backup
self.backup_node(backup_dir, 'node', node, options=['--stream'])
# create database
node.safe_psql(
'postgres',
'create DATABASE testdb1')
# take PAGE backup
page_id = self.backup_node(
backup_dir, 'node', node, backup_type='page')
self.set_backup(
backup_dir, 'node', page_id, options=['--note=hello', '--ttl=20d'])
page_meta = self.show_pb(backup_dir, 'node', page_id)
self.merge_backup(backup_dir, 'node', page_id)
print(self.show_pb(backup_dir, 'node', page_id))
self.assertEqual(
page_meta['note'],
self.show_pb(backup_dir, 'node', page_id)['note'])
self.assertEqual(
page_meta['expire-time'],
self.show_pb(backup_dir, 'node', page_id)['expire-time'])
self.del_test_dir(module_name, fname, [node])
def test_merge_correct_inheritance_1(self):
"""
Make sure that backup metainformation fields
'note' and 'expire-time' are correctly inherited
during 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={'autovacuum': 'off'})
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# add database
node.safe_psql(
'postgres',
'CREATE DATABASE testdb')
# take FULL backup
self.backup_node(
backup_dir, 'node', node,
options=['--stream', '--note=hello', '--ttl=20d'])
# create database
node.safe_psql(
'postgres',
'create DATABASE testdb1')
# take PAGE backup
page_id = self.backup_node(
backup_dir, 'node', node, backup_type='page')
self.merge_backup(backup_dir, 'node', page_id)
self.assertNotIn(
'note',
self.show_pb(backup_dir, 'node', page_id))
self.assertNotIn(
'expire-time',
self.show_pb(backup_dir, 'node', page_id))
self.del_test_dir(module_name, fname, [node])
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_multi_timeline_merge(self):
"""
Check that backup in PAGE mode choose
parent backup correctly:
t12 /---P-->
...
t3 /---->
t2 /---->
t1 -F-----D->
P must have F as parent
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
node.safe_psql("postgres", "create extension pageinspect")
try:
node.safe_psql(
"postgres",
"create extension amcheck")
except QueryException as e:
node.safe_psql(
"postgres",
"create extension amcheck_next")
node.pgbench_init(scale=20)
full_id = self.backup_node(backup_dir, 'node', node)
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
self.backup_node(backup_dir, 'node', node, backup_type='delta')
node.cleanup()
self.restore_node(
backup_dir, 'node', node, backup_id=full_id,
options=[
'--recovery-target=immediate',
'--recovery-target-action=promote'])
node.slow_start()
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
# create timelines
for i in range(2, 7):
node.cleanup()
self.restore_node(
backup_dir, 'node', node,
options=[
'--recovery-target=latest',
'--recovery-target-action=promote',
'--recovery-target-timeline={0}'.format(i)])
node.slow_start()
# at this point there is i+1 timeline
pgbench = node.pgbench(options=['-T', '20', '-c', '1', '--no-vacuum'])
pgbench.wait()
# create backup at 2, 4 and 6 timeline
if i % 2 == 0:
self.backup_node(backup_dir, 'node', node, backup_type='page')
page_id = self.backup_node(backup_dir, 'node', node, backup_type='page')
pgdata = self.pgdata_content(node.data_dir)
self.merge_backup(backup_dir, 'node', page_id)
result = node.safe_psql(
"postgres", "select * from pgbench_accounts")
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.set_auto_conf(node_restored, {'port': node_restored.port})
node_restored.slow_start()
result_new = node_restored.safe_psql(
"postgres", "select * from pgbench_accounts")
self.assertEqual(result, result_new)
self.compare_pgdata(pgdata, pgdata_restored)
self.checkdb_node(
backup_dir,
'node',
options=[
'--amcheck',
'-d', 'postgres', '-p', str(node.port)])
self.checkdb_node(
backup_dir,
'node',
options=[
'--amcheck',
'-d', 'postgres', '-p', str(node_restored.port)])
# Clean after yourself
self.del_test_dir(module_name, fname, [node, node_restored])
# @unittest.skip("skip")
# @unittest.expectedFailure
def test_merge_page_header_map_retry(self):
"""
page header map cannot be trusted when
running retry
"""
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()
node.pgbench_init(scale=20)
self.backup_node(backup_dir, 'node', node, options=['--stream'])
pgbench = node.pgbench(options=['-T', '10', '-c', '1', '--no-vacuum'])
pgbench.wait()
delta_id = self.backup_node(
backup_dir, 'node', node,
backup_type='delta', options=['--stream'])
pgdata = self.pgdata_content(node.data_dir)
gdb = self.merge_backup(backup_dir, 'node', delta_id, gdb=True)
# our goal here is to get full backup with merged data files,
# but with old page header map
gdb.set_breakpoint('cleanup_header_map')
gdb.run_until_break()
gdb._execute('signal SIGKILL')
self.merge_backup(backup_dir, 'node', delta_id)
node.cleanup()
self.restore_node(backup_dir, 'node', node)
pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_missing_data_file(self):
"""
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# Add data
node.pgbench_init(scale=1)
# FULL backup
self.backup_node(backup_dir, 'node', node)
# Change data
pgbench = node.pgbench(options=['-T', '5', '-c', '1'])
pgbench.wait()
# DELTA backup
delta_id = self.backup_node(backup_dir, 'node', node, backup_type='delta')
path = node.safe_psql(
'postgres',
"select pg_relation_filepath('pgbench_accounts')").rstrip()
gdb = self.merge_backup(
backup_dir, "node", delta_id,
options=['--log-level-file=VERBOSE'], gdb=True)
gdb.set_breakpoint('merge_files')
gdb.run_until_break()
# remove data file in incremental backup
file_to_remove = os.path.join(
backup_dir, 'backups',
'node', delta_id, 'database', path)
os.remove(file_to_remove)
gdb.continue_execution_until_error()
logfile = os.path.join(backup_dir, 'log', 'pg_probackup.log')
with open(logfile, 'r') as f:
logfile_content = f.read()
self.assertIn(
'ERROR: Cannot open backup file "{0}": No such file or directory'.format(file_to_remove),
logfile_content)
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_missing_non_data_file(self):
"""
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL backup
self.backup_node(backup_dir, 'node', node)
# DELTA backup
delta_id = self.backup_node(backup_dir, 'node', node, backup_type='delta')
gdb = self.merge_backup(
backup_dir, "node", delta_id,
options=['--log-level-file=VERBOSE'], gdb=True)
gdb.set_breakpoint('merge_files')
gdb.run_until_break()
# remove data file in incremental backup
file_to_remove = os.path.join(
backup_dir, 'backups',
'node', delta_id, 'database', 'backup_label')
os.remove(file_to_remove)
gdb.continue_execution_until_error()
logfile = os.path.join(backup_dir, 'log', 'pg_probackup.log')
with open(logfile, 'r') as f:
logfile_content = f.read()
self.assertIn(
'ERROR: File "{0}" is not found'.format(file_to_remove),
logfile_content)
self.assertIn(
'ERROR: Backup files merging failed',
logfile_content)
self.assertEqual(
'MERGING', self.show_pb(backup_dir, 'node')[0]['status'])
self.assertEqual(
'MERGING', self.show_pb(backup_dir, 'node')[1]['status'])
self.del_test_dir(module_name, fname)
# @unittest.skip("skip")
def test_merge_remote_mode(self):
"""
"""
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)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
# FULL backup
full_id = self.backup_node(backup_dir, 'node', node)
# DELTA backup
delta_id = self.backup_node(backup_dir, 'node', node, backup_type='delta')
self.set_config(backup_dir, 'node', options=['--retention-window=1'])
backups = os.path.join(backup_dir, 'backups', 'node')
with open(
os.path.join(
backups, full_id, "backup.control"), "a") as conf:
conf.write("recovery_time='{:%Y-%m-%d %H:%M:%S}'\n".format(
datetime.now() - timedelta(days=5)))
gdb = self.backup_node(
backup_dir, "node", node,
options=['--log-level-file=VERBOSE', '--merge-expired'], gdb=True)
gdb.set_breakpoint('merge_files')
gdb.run_until_break()
logfile = os.path.join(backup_dir, 'log', 'pg_probackup.log')
with open(logfile, "rw+") as f:
f.truncate()
gdb.continue_execution_until_exit()
logfile = os.path.join(backup_dir, 'log', 'pg_probackup.log')
with open(logfile, 'r') as f:
logfile_content = f.read()
self.assertNotIn(
'SSH', logfile_content)
self.assertEqual(
'OK', self.show_pb(backup_dir, 'node')[0]['status'])
self.del_test_dir(module_name, fname)
# 1. Need new test with corrupted FULL backup
# 2. different compression levels
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