ceph/src/test/rgw/rgw_multi/tests.py

   1 import json
   2 import random
   3 import string
   4 import sys
   5 import time
   6 import logging
   7
   8 try:
   9     from itertools import izip_longest as zip_longest
  10 except ImportError:
  11     from itertools import zip_longest
  12 from itertools import combinations
  13
  14 import boto
  15 import boto.s3.connection
  16 from boto.s3.website import WebsiteConfiguration
  17 from boto.s3.cors import CORSConfiguration
  18
  19 from nose.tools import eq_ as eq
  20 from nose.plugins.attrib import attr
  21 from nose.plugins.skip import SkipTest
  22
  23 from .multisite import Zone
  24
  25 from .conn import get_gateway_connection
  26
  27 class Config:
  28     """ test configuration """
  29     def __init__(self, **kwargs):
  30         # by default, wait up to 5 minutes before giving up on a sync checkpoint
  31         self.checkpoint_retries = kwargs.get('checkpoint_retries', 60)
  32         self.checkpoint_delay = kwargs.get('checkpoint_delay', 5)
  33         # allow some time for realm reconfiguration after changing master zone
  34         self.reconfigure_delay = kwargs.get('reconfigure_delay', 5)
  35
  36 # rgw multisite tests, written against the interfaces provided in rgw_multi.
  37 # these tests must be initialized and run by another module that provides
  38 # implementations of these interfaces by calling init_multi()
  39 realm = None
  40 user = None
  41 config = None
  42 def init_multi(_realm, _user, _config=None):
  43     global realm
  44     realm = _realm
  45     global user
  46     user = _user
  47     global config
  48     config = _config or Config()
  49     realm_meta_checkpoint(realm)
  50
  51 def get_realm():
  52     return realm
  53
  54 log = logging.getLogger(__name__)
  55
  56 num_buckets = 0
  57 run_prefix=''.join(random.choice(string.ascii_lowercase) for _ in range(6))
  58
  59 def get_gateway_connection(gateway, credentials):
  60     """ connect to the given gateway """
  61     if gateway.connection is None:
  62         gateway.connection = boto.connect_s3(
  63                 aws_access_key_id = credentials.access_key,
  64                 aws_secret_access_key = credentials.secret,
  65                 host = gateway.host,
  66                 port = gateway.port,
  67                 is_secure = False,
  68                 calling_format = boto.s3.connection.OrdinaryCallingFormat())
  69     return gateway.connection
  70
  71 def get_zone_connection(zone, credentials):
  72     """ connect to the zone's first gateway """
  73     if isinstance(credentials, list):
  74         credentials = credentials[0]
  75     return get_gateway_connection(zone.gateways[0], credentials)
  76
  77 def mdlog_list(zone, period = None):
  78     cmd = ['mdlog', 'list']
  79     if period:
  80         cmd += ['--period', period]
  81     (mdlog_json, _) = zone.cluster.admin(cmd, read_only=True)
  82     mdlog_json = mdlog_json.decode('utf-8')
  83     return json.loads(mdlog_json)
  84
  85 def meta_sync_status(zone):
  86     while True:
  87         cmd = ['metadata', 'sync', 'status'] + zone.zone_args()
  88         meta_sync_status_json, retcode = zone.cluster.admin(cmd, check_retcode=False, read_only=True)
  89         if retcode == 0:
  90             break
  91         assert(retcode == 2) # ENOENT
  92         time.sleep(5)
  93
  94 def mdlog_autotrim(zone):
  95     zone.cluster.admin(['mdlog', 'autotrim'])
  96
  97 def parse_meta_sync_status(meta_sync_status_json):
  98     meta_sync_status_json = meta_sync_status_json.decode('utf-8')
  99     log.debug('current meta sync status=%s', meta_sync_status_json)
 100     sync_status = json.loads(meta_sync_status_json)
 101
 102     sync_info = sync_status['sync_status']['info']
 103     global_sync_status = sync_info['status']
 104     num_shards = sync_info['num_shards']
 105     period = sync_info['period']
 106     realm_epoch = sync_info['realm_epoch']
 107
 108     sync_markers=sync_status['sync_status']['markers']
 109     log.debug('sync_markers=%s', sync_markers)
 110     assert(num_shards == len(sync_markers))
 111
 112     markers={}
 113     for i in range(num_shards):
 114         # get marker, only if it's an incremental marker for the same realm epoch
 115         if realm_epoch > sync_markers[i]['val']['realm_epoch'] or sync_markers[i]['val']['state'] == 0:
 116             markers[i] = ''
 117         else:
 118             markers[i] = sync_markers[i]['val']['marker']
 119
 120     return period, realm_epoch, num_shards, markers
 121
 122 def meta_sync_status(zone):
 123     for _ in range(config.checkpoint_retries):
 124         cmd = ['metadata', 'sync', 'status'] + zone.zone_args()
 125         meta_sync_status_json, retcode = zone.cluster.admin(cmd, check_retcode=False, read_only=True)
 126         if retcode == 0:
 127             return parse_meta_sync_status(meta_sync_status_json)
 128         assert(retcode == 2) # ENOENT
 129         time.sleep(config.checkpoint_delay)
 130
 131     assert False, 'failed to read metadata sync status for zone=%s' % zone.name
 132
 133 def meta_master_log_status(master_zone):
 134     cmd = ['mdlog', 'status'] + master_zone.zone_args()
 135     mdlog_status_json, retcode = master_zone.cluster.admin(cmd, read_only=True)
 136     mdlog_status = json.loads(mdlog_status_json.decode('utf-8'))
 137
 138     markers = {i: s['marker'] for i, s in enumerate(mdlog_status)}
 139     log.debug('master meta markers=%s', markers)
 140     return markers
 141
 142 def compare_meta_status(zone, log_status, sync_status):
 143     if len(log_status) != len(sync_status):
 144         log.error('len(log_status)=%d, len(sync_status)=%d', len(log_status), len(sync_status))
 145         return False
 146
 147     msg = ''
 148     for i, l, s in zip(log_status, log_status.values(), sync_status.values()):
 149         if l > s:
 150             if len(msg):
 151                 msg += ', '
 152             msg += 'shard=' + str(i) + ' master=' + l + ' target=' + s
 153
 154     if len(msg) > 0:
 155         log.warning('zone %s behind master: %s', zone.name, msg)
 156         return False
 157
 158     return True
 159
 160 def zone_meta_checkpoint(zone, meta_master_zone = None, master_status = None):
 161     if not meta_master_zone:
 162         meta_master_zone = zone.realm().meta_master_zone()
 163     if not master_status:
 164         master_status = meta_master_log_status(meta_master_zone)
 165
 166     current_realm_epoch = realm.current_period.data['realm_epoch']
 167
 168     log.info('starting meta checkpoint for zone=%s', zone.name)
 169
 170     for _ in range(config.checkpoint_retries):
 171         period, realm_epoch, num_shards, sync_status = meta_sync_status(zone)
 172         if realm_epoch < current_realm_epoch:
 173             log.warning('zone %s is syncing realm epoch=%d, behind current realm epoch=%d',
 174                         zone.name, realm_epoch, current_realm_epoch)
 175         else:
 176             log.debug('log_status=%s', master_status)
 177             log.debug('sync_status=%s', sync_status)
 178             if compare_meta_status(zone, master_status, sync_status):
 179                 log.info('finish meta checkpoint for zone=%s', zone.name)
 180                 return
 181
 182         time.sleep(config.checkpoint_delay)
 183     assert False, 'failed meta checkpoint for zone=%s' % zone.name
 184
 185 def zonegroup_meta_checkpoint(zonegroup, meta_master_zone = None, master_status = None):
 186     if not meta_master_zone:
 187         meta_master_zone = zonegroup.realm().meta_master_zone()
 188     if not master_status:
 189         master_status = meta_master_log_status(meta_master_zone)
 190
 191     for zone in zonegroup.zones:
 192         if zone == meta_master_zone:
 193             continue
 194         zone_meta_checkpoint(zone, meta_master_zone, master_status)
 195
 196 def realm_meta_checkpoint(realm):
 197     log.info('meta checkpoint')
 198
 199     meta_master_zone = realm.meta_master_zone()
 200     master_status = meta_master_log_status(meta_master_zone)
 201
 202     for zonegroup in realm.current_period.zonegroups:
 203         zonegroup_meta_checkpoint(zonegroup, meta_master_zone, master_status)
 204
 205 def parse_data_sync_status(data_sync_status_json):
 206     data_sync_status_json = data_sync_status_json.decode('utf-8')
 207     log.debug('current data sync status=%s', data_sync_status_json)
 208     sync_status = json.loads(data_sync_status_json)
 209
 210     global_sync_status=sync_status['sync_status']['info']['status']
 211     num_shards=sync_status['sync_status']['info']['num_shards']
 212
 213     sync_markers=sync_status['sync_status']['markers']
 214     log.debug('sync_markers=%s', sync_markers)
 215     assert(num_shards == len(sync_markers))
 216
 217     markers={}
 218     for i in range(num_shards):
 219         markers[i] = sync_markers[i]['val']['marker']
 220
 221     return (num_shards, markers)
 222
 223 def data_sync_status(target_zone, source_zone):
 224     if target_zone == source_zone:
 225         return None
 226
 227     for _ in range(config.checkpoint_retries):
 228         cmd = ['data', 'sync', 'status'] + target_zone.zone_args()
 229         cmd += ['--source-zone', source_zone.name]
 230         data_sync_status_json, retcode = target_zone.cluster.admin(cmd, check_retcode=False, read_only=True)
 231         if retcode == 0:
 232             return parse_data_sync_status(data_sync_status_json)
 233
 234         assert(retcode == 2) # ENOENT
 235         time.sleep(config.checkpoint_delay)
 236
 237     assert False, 'failed to read data sync status for target_zone=%s source_zone=%s' % \
 238                   (target_zone.name, source_zone.name)
 239
 240 def bucket_sync_status(target_zone, source_zone, bucket_name):
 241     if target_zone == source_zone:
 242         return None
 243
 244     cmd = ['bucket', 'sync', 'status'] + target_zone.zone_args()
 245     cmd += ['--source-zone', source_zone.name]
 246     cmd += ['--bucket', bucket_name]
 247     while True:
 248         bucket_sync_status_json, retcode = target_zone.cluster.admin(cmd, check_retcode=False, read_only=True)
 249         if retcode == 0:
 250             break
 251
 252         assert(retcode == 2) # ENOENT
 253
 254     bucket_sync_status_json = bucket_sync_status_json.decode('utf-8')
 255     log.debug('current bucket sync status=%s', bucket_sync_status_json)
 256     sync_status = json.loads(bucket_sync_status_json)
 257
 258     markers={}
 259     for entry in sync_status:
 260         val = entry['val']
 261         if val['status'] == 'incremental-sync':
 262             pos = val['inc_marker']['position'].split('#')[-1] # get rid of shard id; e.g., 6#00000000002.132.3 -> 00000000002.132.3
 263         else:
 264             pos = ''
 265         markers[entry['key']] = pos
 266
 267     return markers
 268
 269 def data_source_log_status(source_zone):
 270     source_cluster = source_zone.cluster
 271     cmd = ['datalog', 'status'] + source_zone.zone_args()
 272     datalog_status_json, retcode = source_cluster.rgw_admin(cmd, read_only=True)
 273     datalog_status = json.loads(datalog_status_json.decode('utf-8'))
 274
 275     markers = {i: s['marker'] for i, s in enumerate(datalog_status)}
 276     log.debug('data markers for zone=%s markers=%s', source_zone.name, markers)
 277     return markers
 278
 279 def bucket_source_log_status(source_zone, bucket_name):
 280     cmd = ['bilog', 'status'] + source_zone.zone_args()
 281     cmd += ['--bucket', bucket_name]
 282     source_cluster = source_zone.cluster
 283     bilog_status_json, retcode = source_cluster.admin(cmd, read_only=True)
 284     bilog_status = json.loads(bilog_status_json.decode('utf-8'))
 285
 286     m={}
 287     markers={}
 288     try:
 289         m = bilog_status['markers']
 290     except:
 291         pass
 292
 293     for s in m:
 294         key = s['key']
 295         val = s['val']
 296         markers[key] = val
 297
 298     log.debug('bilog markers for zone=%s bucket=%s markers=%s', source_zone.name, bucket_name, markers)
 299     return markers
 300
 301 def compare_data_status(target_zone, source_zone, log_status, sync_status):
 302     if len(log_status) != len(sync_status):
 303         log.error('len(log_status)=%d len(sync_status)=%d', len(log_status), len(sync_status))
 304         return False
 305
 306     msg =  ''
 307     for i, l, s in zip(log_status, log_status.values(), sync_status.values()):
 308         if l > s:
 309             if len(msg):
 310                 msg += ', '
 311             msg += 'shard=' + str(i) + ' master=' + l + ' target=' + s
 312
 313     if len(msg) > 0:
 314         log.warning('data of zone %s behind zone %s: %s', target_zone.name, source_zone.name, msg)
 315         return False
 316
 317     return True
 318
 319 def compare_bucket_status(target_zone, source_zone, bucket_name, log_status, sync_status):
 320     if len(log_status) != len(sync_status):
 321         log.error('len(log_status)=%d len(sync_status)=%d', len(log_status), len(sync_status))
 322         return False
 323
 324     msg =  ''
 325     for i, l, s in zip(log_status, log_status.values(), sync_status.values()):
 326         if l > s:
 327             if len(msg):
 328                 msg += ', '
 329             msg += 'shard=' + str(i) + ' master=' + l + ' target=' + s
 330
 331     if len(msg) > 0:
 332         log.warning('bucket %s zone %s behind zone %s: %s', bucket_name, target_zone.name, source_zone.name, msg)
 333         return False
 334
 335     return True
 336
 337 def zone_data_checkpoint(target_zone, source_zone_conn):
 338     if target_zone == source_zone:
 339         return
 340
 341     log_status = data_source_log_status(source_zone)
 342     log.info('starting data checkpoint for target_zone=%s source_zone=%s', target_zone.name, source_zone.name)
 343
 344     for _ in range(config.checkpoint_retries):
 345         num_shards, sync_status = data_sync_status(target_zone, source_zone)
 346
 347         log.debug('log_status=%s', log_status)
 348         log.debug('sync_status=%s', sync_status)
 349
 350         if compare_data_status(target_zone, source_zone, log_status, sync_status):
 351             log.info('finished data checkpoint for target_zone=%s source_zone=%s',
 352                      target_zone.name, source_zone.name)
 353             return
 354         time.sleep(config.checkpoint_delay)
 355
 356     assert False, 'failed data checkpoint for target_zone=%s source_zone=%s' % \
 357                   (target_zone.name, source_zone.name)
 358
 359
 360 def zone_bucket_checkpoint(target_zone, source_zone, bucket_name):
 361     if target_zone == source_zone:
 362         return
 363
 364     log_status = bucket_source_log_status(source_zone, bucket_name)
 365     log.info('starting bucket checkpoint for target_zone=%s source_zone=%s bucket=%s', target_zone.name, source_zone.name, bucket_name)
 366
 367     for _ in range(config.checkpoint_retries):
 368         sync_status = bucket_sync_status(target_zone, source_zone, bucket_name)
 369
 370         log.debug('log_status=%s', log_status)
 371         log.debug('sync_status=%s', sync_status)
 372
 373         if compare_bucket_status(target_zone, source_zone, bucket_name, log_status, sync_status):
 374             log.info('finished bucket checkpoint for target_zone=%s source_zone=%s bucket=%s', target_zone.name, source_zone.name, bucket_name)
 375             return
 376
 377         time.sleep(config.checkpoint_delay)
 378
 379     assert False, 'finished bucket checkpoint for target_zone=%s source_zone=%s bucket=%s' % \
 380                   (target_zone.name, source_zone.name, bucket_name)
 381
 382 def set_master_zone(zone):
 383     zone.modify(zone.cluster, ['--master'])
 384     zonegroup = zone.zonegroup
 385     zonegroup.period.update(zone, commit=True)
 386     zonegroup.master_zone = zone
 387     log.info('Set master zone=%s, waiting %ds for reconfiguration..', zone.name, config.reconfigure_delay)
 388     time.sleep(config.reconfigure_delay)
 389
 390 def gen_bucket_name():
 391     global num_buckets
 392
 393     num_buckets += 1
 394     return run_prefix + '-' + str(num_buckets)
 395
 396 class ZonegroupConns:
 397     def __init__(self, zonegroup):
 398         self.zonegroup = zonegroup
 399         self.zones = []
 400         self.ro_zones = []
 401         self.rw_zones = []
 402         self.master_zone = None
 403         for z in zonegroup.zones:
 404             zone_conn = z.get_conn(user.credentials)
 405             self.zones.append(zone_conn)
 406             if z.is_read_only():
 407                 self.ro_zones.append(zone_conn)
 408             else:
 409                 self.rw_zones.append(zone_conn)
 410
 411             if z == zonegroup.master_zone:
 412                 self.master_zone = zone_conn
 413
 414 def check_all_buckets_exist(zone_conn, buckets):
 415     if not zone_conn.zone.has_buckets():
 416         return True
 417
 418     for b in buckets:
 419         try:
 420             zone_conn.get_bucket(b)
 421         except:
 422             log.critical('zone %s does not contain bucket %s', zone.name, b)
 423             return False
 424
 425     return True
 426
 427 def check_all_buckets_dont_exist(zone_conn, buckets):
 428     if not zone_conn.zone.has_buckets():
 429         return True
 430
 431     for b in buckets:
 432         try:
 433             zone_conn.get_bucket(b)
 434         except:
 435             continue
 436
 437         log.critical('zone %s contains bucket %s', zone.zone, b)
 438         return False
 439
 440     return True
 441
 442 def create_bucket_per_zone(zonegroup_conns, buckets_per_zone = 1):
 443     buckets = []
 444     zone_bucket = []
 445     for zone in zonegroup_conns.rw_zones:
 446         for i in xrange(buckets_per_zone):
 447             bucket_name = gen_bucket_name()
 448             log.info('create bucket zone=%s name=%s', zone.name, bucket_name)
 449             bucket = zone.create_bucket(bucket_name)
 450             buckets.append(bucket_name)
 451             zone_bucket.append((zone, bucket))
 452
 453     return buckets, zone_bucket
 454
 455 def create_bucket_per_zone_in_realm():
 456     buckets = []
 457     zone_bucket = []
 458     for zonegroup in realm.current_period.zonegroups:
 459         zg_conn = ZonegroupConns(zonegroup)
 460         b, z = create_bucket_per_zone(zg_conn)
 461         buckets.extend(b)
 462         zone_bucket.extend(z)
 463     return buckets, zone_bucket
 464
 465 def test_bucket_create():
 466     zonegroup = realm.master_zonegroup()
 467     zonegroup_conns = ZonegroupConns(zonegroup)
 468     buckets, _ = create_bucket_per_zone(zonegroup_conns)
 469     zonegroup_meta_checkpoint(zonegroup)
 470
 471     for zone in zonegroup_conns.zones:
 472         assert check_all_buckets_exist(zone, buckets)
 473
 474 def test_bucket_recreate():
 475     zonegroup = realm.master_zonegroup()
 476     zonegroup_conns = ZonegroupConns(zonegroup)
 477     buckets, _ = create_bucket_per_zone(zonegroup_conns)
 478     zonegroup_meta_checkpoint(zonegroup)
 479
 480
 481     for zone in zonegroup_conns.zones:
 482         assert check_all_buckets_exist(zone, buckets)
 483
 484     # recreate buckets on all zones, make sure they weren't removed
 485     for zone in zonegroup_conns.rw_zones:
 486         for bucket_name in buckets:
 487             bucket = zone.create_bucket(bucket_name)
 488
 489     for zone in zonegroup_conns.zones:
 490         assert check_all_buckets_exist(zone, buckets)
 491
 492     zonegroup_meta_checkpoint(zonegroup)
 493
 494     for zone in zonegroup_conns.zones:
 495         assert check_all_buckets_exist(zone, buckets)
 496
 497 def test_bucket_remove():
 498     zonegroup = realm.master_zonegroup()
 499     zonegroup_conns = ZonegroupConns(zonegroup)
 500     buckets, zone_bucket = create_bucket_per_zone(zonegroup_conns)
 501     zonegroup_meta_checkpoint(zonegroup)
 502
 503     for zone in zonegroup_conns.zones:
 504         assert check_all_buckets_exist(zone, buckets)
 505
 506     for zone, bucket_name in zone_bucket:
 507         zone.conn.delete_bucket(bucket_name)
 508
 509     zonegroup_meta_checkpoint(zonegroup)
 510
 511     for zone in zonegroup_conns.zones:
 512         assert check_all_buckets_dont_exist(zone, buckets)
 513
 514 def get_bucket(zone, bucket_name):
 515     return zone.conn.get_bucket(bucket_name)
 516
 517 def get_key(zone, bucket_name, obj_name):
 518     b = get_bucket(zone, bucket_name)
 519     return b.get_key(obj_name)
 520
 521 def new_key(zone, bucket_name, obj_name):
 522     b = get_bucket(zone, bucket_name)
 523     return b.new_key(obj_name)
 524
 525 def check_bucket_eq(zone_conn1, zone_conn2, bucket):
 526     return zone_conn2.check_bucket_eq(zone_conn1, bucket.name)
 527
 528 def test_object_sync():
 529     zonegroup = realm.master_zonegroup()
 530     zonegroup_conns = ZonegroupConns(zonegroup)
 531     buckets, zone_bucket = create_bucket_per_zone(zonegroup_conns)
 532
 533     objnames = [ 'myobj', '_myobj', ':', '&' ]
 534     content = 'asdasd'
 535
 536     # don't wait for meta sync just yet
 537     for zone, bucket_name in zone_bucket:
 538         for objname in objnames:
 539             k = new_key(zone, bucket_name, objname)
 540             k.set_contents_from_string(content)
 541
 542     zonegroup_meta_checkpoint(zonegroup)
 543
 544     for source_conn, bucket in zone_bucket:
 545         for target_conn in zonegroup_conns.zones:
 546             if source_conn.zone == target_conn.zone:
 547                 continue
 548
 549             zone_bucket_checkpoint(target_conn.zone, source_conn.zone, bucket.name)
 550             check_bucket_eq(source_conn, target_conn, bucket)
 551
 552 def test_object_delete():
 553     zonegroup = realm.master_zonegroup()
 554     zonegroup_conns = ZonegroupConns(zonegroup)
 555     buckets, zone_bucket = create_bucket_per_zone(zonegroup_conns)
 556
 557     objname = 'myobj'
 558     content = 'asdasd'
 559
 560     # don't wait for meta sync just yet
 561     for zone, bucket in zone_bucket:
 562         k = new_key(zone, bucket, objname)
 563         k.set_contents_from_string(content)
 564
 565     zonegroup_meta_checkpoint(zonegroup)
 566
 567     # check object exists
 568     for source_conn, bucket in zone_bucket:
 569         for target_conn in zonegroup_conns.zones:
 570             if source_conn.zone == target_conn.zone:
 571                 continue
 572
 573             zone_bucket_checkpoint(target_conn.zone, source_conn.zone, bucket.name)
 574             check_bucket_eq(source_conn, target_conn, bucket)
 575
 576     # check object removal
 577     for source_conn, bucket in zone_bucket:
 578         k = get_key(source_conn, bucket, objname)
 579         k.delete()
 580         for target_conn in zonegroup_conns.zones:
 581             if source_conn.zone == target_conn.zone:
 582                 continue
 583
 584             zone_bucket_checkpoint(target_conn.zone, source_conn.zone, bucket.name)
 585             check_bucket_eq(source_conn, target_conn, bucket)
 586
 587 def get_latest_object_version(key):
 588     for k in key.bucket.list_versions(key.name):
 589         if k.is_latest:
 590             return k
 591     return None
 592
 593 def test_versioned_object_incremental_sync():
 594     zonegroup = realm.master_zonegroup()
 595     zonegroup_conns = ZonegroupConns(zonegroup)
 596     buckets, zone_bucket = create_bucket_per_zone(zonegroup_conns)
 597
 598     # enable versioning
 599     for _, bucket in zone_bucket:
 600         bucket.configure_versioning(True)
 601
 602     zonegroup_meta_checkpoint(zonegroup)
 603
 604     # upload a dummy object to each bucket and wait for sync. this forces each
 605     # bucket to finish a full sync and switch to incremental
 606     for source_conn, bucket in zone_bucket:
 607         new_key(source_conn, bucket, 'dummy').set_contents_from_string('')
 608         for target_conn in zonegroup_conns.zones:
 609             if source_conn.zone == target_conn.zone:
 610                 continue
 611             zone_bucket_checkpoint(target_conn.zone, source_conn.zone, bucket.name)
 612
 613     for _, bucket in zone_bucket:
 614         # create and delete multiple versions of an object from each zone
 615         for zone_conn in zonegroup_conns.rw_zones:
 616             obj = 'obj-' + zone_conn.name
 617             k = new_key(zone_conn, bucket, obj)
 618
 619             k.set_contents_from_string('version1')
 620             v = get_latest_object_version(k)
 621             log.debug('version1 id=%s', v.version_id)
 622             # don't delete version1 - this tests that the initial version
 623             # doesn't get squashed into later versions
 624
 625             # create and delete the following object versions to test that
 626             # the operations don't race with each other during sync
 627             k.set_contents_from_string('version2')
 628             v = get_latest_object_version(k)
 629             log.debug('version2 id=%s', v.version_id)
 630             k.bucket.delete_key(obj, version_id=v.version_id)
 631
 632             k.set_contents_from_string('version3')
 633             v = get_latest_object_version(k)
 634             log.debug('version3 id=%s', v.version_id)
 635             k.bucket.delete_key(obj, version_id=v.version_id)
 636
 637     for source_conn, bucket in zone_bucket:
 638         for target_conn in zonegroup_conns.zones:
 639             if source_conn.zone == target_conn.zone:
 640                 continue
 641             zone_bucket_checkpoint(target_conn.zone, source_conn.zone, bucket.name)
 642             check_bucket_eq(source_conn, target_conn, bucket)
 643
 644 def test_bucket_versioning():
 645     buckets, zone_bucket = create_bucket_per_zone_in_realm()
 646     for _, bucket in zone_bucket:
 647         bucket.configure_versioning(True)
 648         res = bucket.get_versioning_status()
 649         key = 'Versioning'
 650         assert(key in res and res[key] == 'Enabled')
 651
 652 def test_bucket_acl():
 653     buckets, zone_bucket = create_bucket_per_zone_in_realm()
 654     for _, bucket in zone_bucket:
 655         assert(len(bucket.get_acl().acl.grants) == 1) # single grant on owner
 656         bucket.set_acl('public-read')
 657         assert(len(bucket.get_acl().acl.grants) == 2) # new grant on AllUsers
 658
 659 def test_bucket_cors():
 660     buckets, zone_bucket = create_bucket_per_zone_in_realm()
 661     for _, bucket in zone_bucket:
 662         cors_cfg = CORSConfiguration()
 663         cors_cfg.add_rule(['DELETE'], 'https://www.example.com', allowed_header='*', max_age_seconds=3000)
 664         bucket.set_cors(cors_cfg)
 665         assert(bucket.get_cors().to_xml() == cors_cfg.to_xml())
 666
 667 def test_bucket_delete_notempty():
 668     zonegroup = realm.master_zonegroup()
 669     zonegroup_conns = ZonegroupConns(zonegroup)
 670     buckets, zone_bucket = create_bucket_per_zone(zonegroup_conns)
 671     zonegroup_meta_checkpoint(zonegroup)
 672
 673     for zone_conn, bucket_name in zone_bucket:
 674         # upload an object to each bucket on its own zone
 675         conn = zone_conn.get_connection()
 676         bucket = conn.get_bucket(bucket_name)
 677         k = bucket.new_key('foo')
 678         k.set_contents_from_string('bar')
 679         # attempt to delete the bucket before this object can sync
 680         try:
 681             conn.delete_bucket(bucket_name)
 682         except boto.exception.S3ResponseError as e:
 683             assert(e.error_code == 'BucketNotEmpty')
 684             continue
 685         assert False # expected 409 BucketNotEmpty
 686
 687     # assert that each bucket still exists on the master
 688     c1 = zonegroup_conns.master_zone.conn
 689     for _, bucket_name in zone_bucket:
 690         assert c1.get_bucket(bucket_name)
 691
 692 def test_multi_period_incremental_sync():
 693     zonegroup = realm.master_zonegroup()
 694     if len(zonegroup.zones) < 3:
 695         raise SkipTest("test_multi_period_incremental_sync skipped. Requires 3 or more zones in master zonegroup.")
 696
 697     # periods to include in mdlog comparison
 698     mdlog_periods = [realm.current_period.id]
 699
 700     # create a bucket in each zone
 701     zonegroup_conns = ZonegroupConns(zonegroup)
 702     buckets, zone_bucket = create_bucket_per_zone(zonegroup_conns)
 703
 704     zonegroup_meta_checkpoint(zonegroup)
 705
 706     z1, z2, z3 = zonegroup.zones[0:3]
 707     assert(z1 == zonegroup.master_zone)
 708
 709     # kill zone 3 gateways to freeze sync status to incremental in first period
 710     z3.stop()
 711
 712     # change master to zone 2 -> period 2
 713     set_master_zone(z2)
 714     mdlog_periods += [realm.current_period.id]
 715
 716     for zone_conn, _ in zone_bucket:
 717         if zone_conn.zone == z3:
 718             continue
 719         bucket_name = gen_bucket_name()
 720         log.info('create bucket zone=%s name=%s', zone_conn.name, bucket_name)
 721         bucket = zone_conn.conn.create_bucket(bucket_name)
 722         buckets.append(bucket_name)
 723
 724     # wait for zone 1 to sync
 725     zone_meta_checkpoint(z1)
 726
 727     # change master back to zone 1 -> period 3
 728     set_master_zone(z1)
 729     mdlog_periods += [realm.current_period.id]
 730
 731     for zone_conn, bucket_name in zone_bucket:
 732         if zone_conn.zone == z3:
 733             continue
 734         bucket_name = gen_bucket_name()
 735         log.info('create bucket zone=%s name=%s', zone_conn.name, bucket_name)
 736         bucket = zone_conn.conn.create_bucket(bucket_name)
 737         buckets.append(bucket_name)
 738
 739     # restart zone 3 gateway and wait for sync
 740     z3.start()
 741     zonegroup_meta_checkpoint(zonegroup)
 742
 743     # verify that we end up with the same objects
 744     for bucket_name in buckets:
 745         for source_conn, _ in zone_bucket:
 746             for target_conn in zonegroup_conns.zones:
 747                 if source_conn.zone == target_conn.zone:
 748                     continue
 749
 750                 target_conn.check_bucket_eq(source_conn, bucket_name)
 751
 752     # verify that mdlogs are not empty and match for each period
 753     for period in mdlog_periods:
 754         master_mdlog = mdlog_list(z1, period)
 755         assert len(master_mdlog) > 0
 756         for zone in zonegroup.zones:
 757             if zone == z1:
 758                 continue
 759             mdlog = mdlog_list(zone, period)
 760             assert len(mdlog) == len(master_mdlog)
 761
 762     # autotrim mdlogs for master zone
 763     mdlog_autotrim(z1)
 764
 765     # autotrim mdlogs for peers
 766     for zone in zonegroup.zones:
 767         if zone == z1:
 768             continue
 769         mdlog_autotrim(zone)
 770
 771     # verify that mdlogs are empty for each period
 772     for period in mdlog_periods:
 773         for zone in zonegroup.zones:
 774             mdlog = mdlog_list(zone, period)
 775             assert len(mdlog) == 0
 776
 777 def test_zonegroup_remove():
 778     zonegroup = realm.master_zonegroup()
 779     zonegroup_conns = ZonegroupConns(zonegroup)
 780     if len(zonegroup.zones) < 2:
 781         raise SkipTest("test_zonegroup_remove skipped. Requires 2 or more zones in master zonegroup.")
 782
 783     zonegroup_meta_checkpoint(zonegroup)
 784     z1, z2 = zonegroup.zones[0:2]
 785     c1, c2 = (z1.cluster, z2.cluster)
 786
 787     # create a new zone in zonegroup on c2 and commit
 788     zone = Zone('remove', zonegroup, c2)
 789     zone.create(c2)
 790     zonegroup.zones.append(zone)
 791     zonegroup.period.update(zone, commit=True)
 792
 793     zonegroup.remove(c1, zone)
 794
 795     # another 'zonegroup remove' should fail with ENOENT
 796     _, retcode = zonegroup.remove(c1, zone, check_retcode=False)
 797     assert(retcode == 2) # ENOENT
 798
 799     # delete the new zone
 800     zone.delete(c2)
 801
 802     # validate the resulting period
 803     zonegroup.period.update(z1, commit=True)
 804
 805 def test_set_bucket_website():
 806     buckets, zone_bucket = create_bucket_per_zone_in_realm()
 807     for _, bucket in zone_bucket:
 808         website_cfg = WebsiteConfiguration(suffix='index.html',error_key='error.html')
 809         try:
 810             bucket.set_website_configuration(website_cfg)
 811         except boto.exception.S3ResponseError as e:
 812             if e.error_code == 'MethodNotAllowed':
 813                 raise SkipTest("test_set_bucket_website skipped. Requires rgw_enable_static_website = 1.")
 814         assert(bucket.get_website_configuration_with_xml()[1] == website_cfg.to_xml())
 815
 816 def test_set_bucket_policy():
 817     policy = '''{
 818   "Version": "2012-10-17",
 819   "Statement": [{
 820     "Effect": "Allow",
 821     "Principal": "*"
 822   }]
 823 }'''
 824     buckets, zone_bucket = create_bucket_per_zone_in_realm()
 825     for _, bucket in zone_bucket:
 826         bucket.set_policy(policy)
 827         assert(bucket.get_policy() == policy)