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Commit9091bb5

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tests: additional tests for external directories
1 parent7f81494 commit9091bb5

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‎tests/external.py

Lines changed: 173 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1172,6 +1172,179 @@ def test_external_dir_is_symlink(self):
11721172
# Clean after yourself
11731173
self.del_test_dir(module_name,fname)
11741174

1175+
# @unittest.expectedFailure
1176+
# @unittest.skip("skip")
1177+
deftest_external_dir_contain_symlink_on_dir(self):
1178+
"""
1179+
Check that backup works correctly if external dir is symlink,
1180+
symlink pointing to external dir should be followed,
1181+
but restored as directory
1182+
"""
1183+
fname=self.id().split('.')[3]
1184+
backup_dir=os.path.join(self.tmp_path,module_name,fname,'backup')
1185+
core_dir=os.path.join(self.tmp_path,module_name,fname)
1186+
shutil.rmtree(core_dir,ignore_errors=True)
1187+
node=self.make_simple_node(
1188+
base_dir=os.path.join(module_name,fname,'node'),
1189+
set_replication=True,
1190+
initdb_params=['--data-checksums'])
1191+
1192+
self.init_pb(backup_dir)
1193+
self.add_instance(backup_dir,'node',node)
1194+
node.slow_start()
1195+
1196+
external_dir=self.get_tblspace_path(node,'external_dir')
1197+
dir_in_external_dir=os.path.join(external_dir,'dir')
1198+
1199+
node.pgbench_init(scale=3)
1200+
1201+
# temp FULL backup
1202+
backup_id=self.backup_node(
1203+
backup_dir,'node',node,options=["-j","4","--stream"])
1204+
1205+
# fill some directory with data
1206+
core_dir=os.path.join(self.tmp_path,module_name,fname)
1207+
symlinked_dir=os.path.join(core_dir,'symlinked')
1208+
1209+
self.restore_node(
1210+
backup_dir,'node',node,
1211+
data_dir=symlinked_dir,options=["-j","4"])
1212+
1213+
# drop temp FULL backup
1214+
self.delete_pb(backup_dir,'node',backup_id=backup_id)
1215+
1216+
# create symlink to directory in external directory
1217+
print(symlinked_dir)
1218+
print(dir_in_external_dir)
1219+
os.mkdir(external_dir)
1220+
os.symlink(symlinked_dir,dir_in_external_dir)
1221+
1222+
# FULL backup with external directories
1223+
backup_id=self.backup_node(
1224+
backup_dir,'node',node,
1225+
options=[
1226+
"-j","4","--stream",
1227+
"-E","{0}".format(
1228+
external_dir)])
1229+
1230+
pgdata=self.pgdata_content(
1231+
node.base_dir,exclude_dirs=['logs'])
1232+
1233+
node_restored=self.make_simple_node(
1234+
base_dir=os.path.join(module_name,fname,'node_restored'))
1235+
1236+
# RESTORE
1237+
node_restored.cleanup()
1238+
1239+
external_dir_new=self.get_tblspace_path(
1240+
node_restored,'external_dir')
1241+
1242+
self.restore_node(
1243+
backup_dir,'node',node_restored,
1244+
options=[
1245+
"-j","4","--external-mapping={0}={1}".format(
1246+
external_dir,external_dir_new)])
1247+
1248+
pgdata_restored=self.pgdata_content(
1249+
node_restored.base_dir,exclude_dirs=['logs'])
1250+
1251+
self.compare_pgdata(pgdata,pgdata_restored)
1252+
1253+
self.assertEqual(
1254+
external_dir,
1255+
self.show_pb(
1256+
backup_dir,'node',
1257+
backup_id=backup_id)['external-dirs'])
1258+
1259+
# Clean after yourself
1260+
self.del_test_dir(module_name,fname)
1261+
1262+
# @unittest.expectedFailure
1263+
# @unittest.skip("skip")
1264+
deftest_external_dir_contain_symlink_on_file(self):
1265+
"""
1266+
Check that backup works correctly if external dir is symlink,
1267+
symlink pointing to external dir should be followed,
1268+
but restored as directory
1269+
"""
1270+
fname=self.id().split('.')[3]
1271+
backup_dir=os.path.join(self.tmp_path,module_name,fname,'backup')
1272+
core_dir=os.path.join(self.tmp_path,module_name,fname)
1273+
shutil.rmtree(core_dir,ignore_errors=True)
1274+
node=self.make_simple_node(
1275+
base_dir=os.path.join(module_name,fname,'node'),
1276+
set_replication=True,
1277+
initdb_params=['--data-checksums'])
1278+
1279+
self.init_pb(backup_dir)
1280+
self.add_instance(backup_dir,'node',node)
1281+
node.slow_start()
1282+
1283+
external_dir=self.get_tblspace_path(node,'external_dir')
1284+
file_in_external_dir=os.path.join(external_dir,'file')
1285+
1286+
node.pgbench_init(scale=3)
1287+
1288+
# temp FULL backup
1289+
backup_id=self.backup_node(
1290+
backup_dir,'node',node,options=["-j","4","--stream"])
1291+
1292+
# fill some directory with data
1293+
core_dir=os.path.join(self.tmp_path,module_name,fname)
1294+
symlinked_dir=os.path.join(core_dir,'symlinked')
1295+
1296+
self.restore_node(
1297+
backup_dir,'node',node,
1298+
data_dir=symlinked_dir,options=["-j","4"])
1299+
1300+
# drop temp FULL backup
1301+
self.delete_pb(backup_dir,'node',backup_id=backup_id)
1302+
1303+
# create symlink to directory in external directory
1304+
src_file=os.path.join(symlinked_dir,'postgresql.conf')
1305+
os.mkdir(external_dir)
1306+
os.symlink(src_file,file_in_external_dir)
1307+
1308+
# FULL backup with external directories
1309+
backup_id=self.backup_node(
1310+
backup_dir,'node',node,
1311+
options=[
1312+
"-j","4","--stream",
1313+
"-E","{0}".format(
1314+
external_dir)])
1315+
1316+
pgdata=self.pgdata_content(
1317+
node.base_dir,exclude_dirs=['logs'])
1318+
1319+
node_restored=self.make_simple_node(
1320+
base_dir=os.path.join(module_name,fname,'node_restored'))
1321+
1322+
# RESTORE
1323+
node_restored.cleanup()
1324+
1325+
external_dir_new=self.get_tblspace_path(
1326+
node_restored,'external_dir')
1327+
1328+
self.restore_node(
1329+
backup_dir,'node',node_restored,
1330+
options=[
1331+
"-j","4","--external-mapping={0}={1}".format(
1332+
external_dir,external_dir_new)])
1333+
1334+
pgdata_restored=self.pgdata_content(
1335+
node_restored.base_dir,exclude_dirs=['logs'])
1336+
1337+
self.compare_pgdata(pgdata,pgdata_restored)
1338+
1339+
self.assertEqual(
1340+
external_dir,
1341+
self.show_pb(
1342+
backup_dir,'node',
1343+
backup_id=backup_id)['external-dirs'])
1344+
1345+
# Clean after yourself
1346+
self.del_test_dir(module_name,fname)
1347+
11751348
# @unittest.expectedFailure
11761349
# @unittest.skip("skip")
11771350
deftest_external_dir_is_tablespace(self):

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