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pg_probackup/tests/snapfs.py

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import unittest
import os
from time import sleep
from .helpers.ptrack_helpers import ProbackupTest, ProbackupException
module_name = 'snapfs'
class SnapFSTest(ProbackupTest, unittest.TestCase):
# @unittest.expectedFailure
@unittest.skipUnless(ProbackupTest.enterprise, 'skip')
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def test_snapfs_simple(self):
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"""standart backup modes with ARCHIVE WAL method"""
fname = self.id().split('.')[3]
node = self.make_simple_node(
base_dir=os.path.join(module_name, fname, 'node'),
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initdb_params=['--data-checksums'])
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backup_dir = os.path.join(self.tmp_path, module_name, fname, 'backup')
self.init_pb(backup_dir)
self.add_instance(backup_dir, 'node', node)
self.set_archiving(backup_dir, 'node', node)
node.slow_start()
self.backup_node(backup_dir, 'node', node)
node.safe_psql(
'postgres',
'select pg_make_snapshot()')
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node.pgbench_init(scale=10)
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pgbench = node.pgbench(options=['-T', '50', '-c', '2', '--no-vacuum'])
pgbench.wait()
self.backup_node(
backup_dir, 'node', node, backup_type='page')
node.safe_psql(
'postgres',
'select pg_remove_snapshot(1)')
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self.backup_node(
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backup_dir, 'node', node, backup_type='page')
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pgdata = self.pgdata_content(node.data_dir)
node.cleanup()
self.restore_node(
backup_dir, 'node',
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node, options=["-j", "4"])
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pgdata_restored = self.pgdata_content(node.data_dir)
self.compare_pgdata(pgdata, pgdata_restored)
# Clean after yourself
self.del_test_dir(module_name, fname)