|
| 1 | +""" |
| 2 | +The Test suite check behavior of pg_probackup utility, if password is required for connection to PostgreSQL instance. |
| 3 | + - https://confluence.postgrespro.ru/pages/viewpage.action?pageId=16777522 |
| 4 | +""" |
| 5 | + |
| 6 | +import os |
| 7 | +import unittest |
| 8 | +import signal |
| 9 | +import time |
| 10 | + |
1 | 11 | from .helpers.ptrack_helpers import ProbackupTest
|
| 12 | +from testgres import StartNodeException |
| 13 | + |
| 14 | +skip_test = False |
| 15 | + |
| 16 | +try: |
| 17 | + from pexpect import * |
| 18 | +except ImportError: |
| 19 | + skip_test = True |
| 20 | + |
| 21 | + |
| 22 | +class SimpleAuthTest(ProbackupTest): |
| 23 | + |
| 24 | + # @unittest.skip("skip") |
| 25 | + def test_backup_via_unprivileged_user(self): |
| 26 | + """ |
| 27 | + Make node, create unprivileged user, try to |
| 28 | + run a backups without EXECUTE rights on |
| 29 | + certain functions |
| 30 | + """ |
| 31 | + node = self.pg_node.make_simple('node', |
| 32 | + set_replication=True, |
| 33 | + ptrack_enable=self.ptrack) |
| 34 | + |
| 35 | + self.pb.init() |
| 36 | + self.pb.add_instance('node', node) |
| 37 | + self.pb.set_archiving('node', node) |
| 38 | + node.slow_start() |
| 39 | + |
| 40 | + if self.ptrack: |
| 41 | + node.safe_psql( |
| 42 | + "postgres", |
| 43 | + "CREATE EXTENSION ptrack") |
| 44 | + |
| 45 | + node.safe_psql("postgres", "CREATE ROLE backup with LOGIN") |
| 46 | + |
| 47 | + self.pb.backup_node('node', node, options=['-U', 'backup'], |
| 48 | + expect_error='due to missing grant on EXECUTE') |
| 49 | + if self.pg_config_version < 150000: |
| 50 | + self.assertMessage(contains= |
| 51 | + "ERROR: Query failed: ERROR: permission denied " |
| 52 | + "for function pg_start_backup") |
| 53 | + else: |
| 54 | + self.assertMessage(contains= |
| 55 | + "ERROR: Query failed: ERROR: permission denied " |
| 56 | + "for function pg_backup_start") |
| 57 | + |
| 58 | + if self.pg_config_version < 150000: |
| 59 | + node.safe_psql( |
| 60 | + "postgres", |
| 61 | + "GRANT EXECUTE ON FUNCTION" |
| 62 | + " pg_start_backup(text, boolean, boolean) TO backup;") |
| 63 | + else: |
| 64 | + node.safe_psql( |
| 65 | + "postgres", |
| 66 | + "GRANT EXECUTE ON FUNCTION" |
| 67 | + " pg_backup_start(text, boolean) TO backup;") |
| 68 | + |
| 69 | + node.safe_psql( |
| 70 | + 'postgres', |
| 71 | + "GRANT EXECUTE ON FUNCTION pg_catalog.pg_switch_wal() TO backup") |
| 72 | + |
| 73 | + self.pb.backup_node('node', node, |
| 74 | + options=['-U', 'backup'], |
| 75 | + expect_error='due to missing grant on EXECUTE') |
| 76 | + self.assertMessage(contains= |
| 77 | + "ERROR: Query failed: ERROR: permission denied for function " |
| 78 | + "pg_create_restore_point\nquery was: " |
| 79 | + "SELECT pg_catalog.pg_create_restore_point($1)") |
| 80 | + |
| 81 | + node.safe_psql( |
| 82 | + "postgres", |
| 83 | + "GRANT EXECUTE ON FUNCTION" |
| 84 | + " pg_create_restore_point(text) TO backup;") |
| 85 | + |
| 86 | + self.pb.backup_node('node', node, |
| 87 | + options=['-U', 'backup'], |
| 88 | + expect_error='due to missing grant on EXECUTE') |
| 89 | + if self.pg_config_version < 150000: |
| 90 | + self.assertMessage(contains= |
| 91 | + "ERROR: Query failed: ERROR: permission denied " |
| 92 | + "for function pg_stop_backup") |
| 93 | + else: |
| 94 | + self.assertMessage(contains= |
| 95 | + "ERROR: Query failed: ERROR: permission denied " |
| 96 | + "for function pg_backup_stop") |
| 97 | + |
| 98 | + if self.pg_config_version < self.version_to_num('15.0'): |
| 99 | + node.safe_psql( |
| 100 | + "postgres", |
| 101 | + "GRANT EXECUTE ON FUNCTION pg_stop_backup() TO backup; " |
| 102 | + "GRANT EXECUTE ON FUNCTION pg_stop_backup(boolean, boolean) TO backup;") |
| 103 | + else: |
| 104 | + node.safe_psql( |
| 105 | + "postgres", |
| 106 | + "GRANT EXECUTE ON FUNCTION pg_backup_stop(boolean) TO backup;") |
| 107 | + |
| 108 | + self.pb.backup_node('node', node, options=['-U', 'backup']) |
| 109 | + |
| 110 | + node.safe_psql("postgres", "CREATE DATABASE test1") |
| 111 | + |
| 112 | + self.pb.backup_node('node', node, options=['-U', 'backup']) |
| 113 | + |
| 114 | + node.safe_psql( |
| 115 | + "test1", "create table t1 as select generate_series(0,100)") |
| 116 | + |
| 117 | + node.stop() |
| 118 | + node.slow_start() |
| 119 | + |
| 120 | + node.safe_psql( |
| 121 | + "postgres", |
| 122 | + "ALTER ROLE backup REPLICATION") |
| 123 | + |
| 124 | + # FULL |
| 125 | + self.pb.backup_node('node', node, options=['-U', 'backup']) |
| 126 | + |
| 127 | + # PTRACK |
| 128 | + if self.ptrack: |
| 129 | + self.pb.backup_node('node', node, |
| 130 | + backup_type='ptrack', options=['-U', 'backup']) |
| 131 | + |
| 132 | + |
| 133 | +class AuthTest(ProbackupTest): |
| 134 | + pb = None |
| 135 | + node = None |
| 136 | + |
| 137 | + # TODO move to object scope, replace module_name |
| 138 | + @unittest.skipIf(skip_test, "Module pexpect isn't installed. You need to install it.") |
| 139 | + def setUp(self): |
| 140 | + |
| 141 | + super().setUp() |
| 142 | + |
| 143 | + self.node = self.pg_node.make_simple("node", |
| 144 | + set_replication=True, |
| 145 | + initdb_params=['--auth-host=md5'], |
| 146 | + pg_options={'archive_timeout': '5s'}, |
| 147 | + ) |
| 148 | + |
| 149 | + self.modify_pg_hba(self.node) |
| 150 | + |
| 151 | + self.pb.init() |
| 152 | + self.pb.add_instance(self.node.name, self.node) |
| 153 | + self.pb.set_archiving(self.node.name, self.node) |
| 154 | + try: |
| 155 | + self.node.slow_start() |
| 156 | + except StartNodeException: |
| 157 | + raise unittest.skip("Node hasn't started") |
| 158 | + |
| 159 | + |
| 160 | + version = self.pg_config_version |
| 161 | + if version < 150000: |
| 162 | + self.node.safe_psql( |
| 163 | + "postgres", |
| 164 | + "CREATE ROLE backup WITH LOGIN PASSWORD 'password'; " |
| 165 | + "GRANT USAGE ON SCHEMA pg_catalog TO backup; " |
| 166 | + "GRANT EXECUTE ON FUNCTION current_setting(text) TO backup; " |
| 167 | + "GRANT EXECUTE ON FUNCTION pg_is_in_recovery() TO backup; " |
| 168 | + "GRANT EXECUTE ON FUNCTION pg_start_backup(text, boolean, boolean) TO backup; " |
| 169 | + "GRANT EXECUTE ON FUNCTION pg_stop_backup() TO backup; " |
| 170 | + "GRANT EXECUTE ON FUNCTION pg_stop_backup(boolean, boolean) TO backup; " |
| 171 | + "GRANT EXECUTE ON FUNCTION pg_create_restore_point(text) TO backup; " |
| 172 | + "GRANT EXECUTE ON FUNCTION pg_switch_wal() TO backup; " |
| 173 | + "GRANT EXECUTE ON FUNCTION txid_current() TO backup; " |
| 174 | + "GRANT EXECUTE ON FUNCTION txid_current_snapshot() TO backup; " |
| 175 | + "GRANT EXECUTE ON FUNCTION txid_snapshot_xmax(txid_snapshot) TO backup;") |
| 176 | + else: |
| 177 | + self.node.safe_psql( |
| 178 | + "postgres", |
| 179 | + "CREATE ROLE backup WITH LOGIN PASSWORD 'password'; " |
| 180 | + "GRANT USAGE ON SCHEMA pg_catalog TO backup; " |
| 181 | + "GRANT EXECUTE ON FUNCTION current_setting(text) TO backup; " |
| 182 | + "GRANT EXECUTE ON FUNCTION pg_is_in_recovery() TO backup; " |
| 183 | + "GRANT EXECUTE ON FUNCTION pg_backup_start(text, boolean) TO backup; " |
| 184 | + "GRANT EXECUTE ON FUNCTION pg_backup_stop(boolean) TO backup; " |
| 185 | + "GRANT EXECUTE ON FUNCTION pg_create_restore_point(text) TO backup; " |
| 186 | + "GRANT EXECUTE ON FUNCTION pg_switch_wal() TO backup; " |
| 187 | + "GRANT EXECUTE ON FUNCTION txid_current() TO backup; " |
| 188 | + "GRANT EXECUTE ON FUNCTION txid_current_snapshot() TO backup; " |
| 189 | + "GRANT EXECUTE ON FUNCTION txid_snapshot_xmax(txid_snapshot) TO backup;") |
| 190 | + |
| 191 | + if version >= 150000: |
| 192 | + home_dir = os.path.join(self.test_path, "home") |
| 193 | + os.makedirs(home_dir, exist_ok=True) |
| 194 | + self.test_env['HOME'] = home_dir |
| 195 | + self.pgpass_file = os.path.join(home_dir, '.pgpass') |
| 196 | + self.pgpass_file_lock = None |
| 197 | + else: |
| 198 | + # before PGv15 only true home dir were inspected. |
| 199 | + # Since we can't have separate file per test, we have to serialize |
| 200 | + # tests. |
| 201 | + self.pgpass_file = os.path.join(os.path.expanduser('~'), '.pgpass') |
| 202 | + self.pgpass_file_lock = self.pgpass_file + '~probackup_test_lock' |
| 203 | + # have to lock pgpass by creating file in exclusive mode |
| 204 | + for i in range(120): |
| 205 | + try: |
| 206 | + open(self.pgpass_file_lock, "x").close() |
| 207 | + except FileExistsError: |
| 208 | + time.sleep(1) |
| 209 | + else: |
| 210 | + break |
| 211 | + else: |
| 212 | + raise TimeoutError("can't create ~/.pgpass~probackup_test_lock for 120 seconds") |
| 213 | + |
| 214 | + self.pb_cmd = ['backup', |
| 215 | + '--instance', self.node.name, |
| 216 | + '-h', '127.0.0.1', |
| 217 | + '-p', str(self.node.port), |
| 218 | + '-U', 'backup', |
| 219 | + '-d', 'postgres', |
| 220 | + '-b', 'FULL', |
| 221 | + '--no-sync' |
| 222 | + ] |
| 223 | + |
| 224 | + def tearDown(self): |
| 225 | + super().tearDown() |
| 226 | + if not self.pgpass_file_lock: |
| 227 | + return |
| 228 | + if hasattr(self, "pgpass_line") and os.path.exists(self.pgpass_file): |
| 229 | + with open(self.pgpass_file, 'r') as fl: |
| 230 | + lines = fl.readlines() |
| 231 | + if self.pgpass_line in lines: |
| 232 | + lines.remove(self.pgpass_line) |
| 233 | + if len(lines) == 0: |
| 234 | + os.remove(self.pgpass_file) |
| 235 | + else: |
| 236 | + with open(self.pgpass_file, 'w') as fl: |
| 237 | + fl.writelines(lines) |
| 238 | + os.remove(self.pgpass_file_lock) |
| 239 | + |
| 240 | + def test_empty_password(self): |
| 241 | + """ Test case: PGPB_AUTH03 - zero password length """ |
| 242 | + try: |
| 243 | + self.assertIn("ERROR: no password supplied", |
| 244 | + self.run_pb_with_auth('\0\r\n')) |
| 245 | + except (TIMEOUT, ExceptionPexpect) as e: |
| 246 | + self.fail(e.value) |
| 247 | + |
| 248 | + def test_wrong_password(self): |
| 249 | + """ Test case: PGPB_AUTH04 - incorrect password """ |
| 250 | + self.assertIn("password authentication failed", |
| 251 | + self.run_pb_with_auth('wrong_password\r\n')) |
| 252 | + |
| 253 | + def test_right_password(self): |
| 254 | + """ Test case: PGPB_AUTH01 - correct password """ |
| 255 | + self.assertIn("completed", |
| 256 | + self.run_pb_with_auth('password\r\n')) |
| 257 | + |
| 258 | + def test_right_password_and_wrong_pgpass(self): |
| 259 | + """ Test case: PGPB_AUTH05 - correct password and incorrect .pgpass (-W)""" |
| 260 | + line = ":".join(['127.0.0.1', str(self.node.port), 'postgres', 'backup', 'wrong_password']) |
| 261 | + self.create_pgpass(self.pgpass_file, line) |
| 262 | + self.assertIn("completed", |
| 263 | + self.run_pb_with_auth('password\r\n', add_args=["-W"])) |
| 264 | + |
| 265 | + def test_ctrl_c_event(self): |
| 266 | + """ Test case: PGPB_AUTH02 - send interrupt signal """ |
| 267 | + try: |
| 268 | + self.run_pb_with_auth(kill=True) |
| 269 | + except TIMEOUT: |
| 270 | + self.fail("Error: CTRL+C event ignored") |
| 271 | + |
| 272 | + def test_pgpassfile_env(self): |
| 273 | + """ Test case: PGPB_AUTH06 - set environment var PGPASSFILE """ |
| 274 | + path = os.path.join(self.test_path, 'pgpass.conf') |
| 275 | + line = ":".join(['127.0.0.1', str(self.node.port), 'postgres', 'backup', 'password']) |
| 276 | + self.create_pgpass(path, line) |
| 277 | + self.test_env["PGPASSFILE"] = path |
| 278 | + self.assertEqual( |
| 279 | + "OK", |
| 280 | + self.pb.show(self.node.name, self.pb.run(self.pb_cmd + ['-w']))["status"], |
| 281 | + "ERROR: Full backup status is not valid." |
| 282 | + ) |
| 283 | + |
| 284 | + def test_pgpass(self): |
| 285 | + """ Test case: PGPB_AUTH07 - Create file .pgpass in home dir. """ |
| 286 | + line = ":".join(['127.0.0.1', str(self.node.port), 'postgres', 'backup', 'password']) |
| 287 | + self.create_pgpass(self.pgpass_file, line) |
| 288 | + self.assertEqual( |
| 289 | + "OK", |
| 290 | + self.pb.show(self.node.name, self.pb.run(self.pb_cmd + ['-w']))["status"], |
| 291 | + "ERROR: Full backup status is not valid." |
| 292 | + ) |
| 293 | + |
| 294 | + def test_pgpassword(self): |
| 295 | + """ Test case: PGPB_AUTH08 - set environment var PGPASSWORD """ |
| 296 | + self.test_env["PGPASSWORD"] = "password" |
| 297 | + self.assertEqual( |
| 298 | + "OK", |
| 299 | + self.pb.show(self.node.name, self.pb.run(self.pb_cmd + ['-w']))["status"], |
| 300 | + "ERROR: Full backup status is not valid." |
| 301 | + ) |
| 302 | + |
| 303 | + def test_pgpassword_and_wrong_pgpass(self): |
| 304 | + """ Test case: PGPB_AUTH09 - Check priority between PGPASSWORD and .pgpass file""" |
| 305 | + line = ":".join(['127.0.0.1', str(self.node.port), 'postgres', 'backup', 'wrong_password']) |
| 306 | + self.create_pgpass(self.pgpass_file, line) |
| 307 | + self.test_env["PGPASSWORD"] = "password" |
| 308 | + self.assertEqual( |
| 309 | + "OK", |
| 310 | + self.pb.show(self.node.name, self.pb.run(self.pb_cmd + ['-w']))["status"], |
| 311 | + "ERROR: Full backup status is not valid." |
| 312 | + ) |
2 | 313 |
|
| 314 | + def run_pb_with_auth(self, password=None, add_args = [], kill=False): |
| 315 | + cmd = [*self.pb_cmd, *add_args, *self.backup_dir.pb_args] |
| 316 | + with spawn(self.probackup_path, cmd, |
| 317 | + encoding='utf-8', timeout=60, env=self.test_env) as probackup: |
| 318 | + result = probackup.expect(u"Password for user .*:", 10) |
| 319 | + if kill: |
| 320 | + probackup.kill(signal.SIGINT) |
| 321 | + elif result == 0: |
| 322 | + probackup.sendline(password) |
| 323 | + probackup.expect(EOF) |
| 324 | + return str(probackup.before) |
| 325 | + else: |
| 326 | + raise ExceptionPexpect("Other pexpect errors.") |
3 | 327 |
|
4 |
| -class AuthorizationTest(ProbackupTest): |
5 |
| - """ |
6 |
| - Check connect to S3 via pre_start_checks() function |
7 |
| - calling pg_probackup init --s3 |
8 | 328 |
|
9 |
| - test that s3 keys allow to connect to all types of storages |
10 |
| - """ |
| 329 | + def modify_pg_hba(self, node): |
| 330 | + """ |
| 331 | + Description: |
| 332 | + Add trust authentication for user postgres. Need for add new role and set grant. |
| 333 | + :param node: |
| 334 | + :return None: |
| 335 | + """ |
| 336 | + hba_conf = os.path.join(node.data_dir, "pg_hba.conf") |
| 337 | + with open(hba_conf, 'r+') as fio: |
| 338 | + data = fio.read() |
| 339 | + fio.seek(0) |
| 340 | + fio.write('host\tall\t%s\t127.0.0.1/0\ttrust\n%s' % (self.username, data)) |
11 | 341 |
|
12 |
| - def test_s3_auth_test(self): |
13 |
| - console_output = self.pb.init(options=["--log-level-console=VERBOSE"]) |
14 | 342 |
|
15 |
| - self.assertNotIn(': 403', console_output) # Because we can have just '403' substring in timestamp |
16 |
| - self.assertMessage(console_output, contains='S3_pre_start_check successful') |
17 |
| - self.assertMessage(console_output, contains='HTTP response: 200') |
18 |
| - self.assertIn( |
19 |
| - f"INFO: Backup catalog '{self.backup_dir}' successfully initialized", |
20 |
| - console_output) |
| 343 | + def create_pgpass(self, path, line): |
| 344 | + self.pgpass_line = line+"\n" |
| 345 | + with open(path, 'a') as passfile: |
| 346 | + # host:port:db:username:password |
| 347 | + passfile.write(self.pgpass_line) |
| 348 | + os.chmod(path, 0o600) |
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