def __init__(self, app, conf):
self.app = app
self.logger = get_logger(conf, log_route='endpoints')
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.account_ring = Ring(self.swift_dir, ring_name='account')
self.container_ring = Ring(self.swift_dir, ring_name='container')
self.endpoints_path = conf.get('list_endpoints_path', '/endpoints/')
if not self.endpoints_path.endswith('/'):
self.endpoints_path += '/'
def __call__(self, env, start_response):
req = Request(env)
if env.get('REQUEST_METHOD') == "PUT" and env.get("HTTP_X_OBJECT_META_LXC_DEPLOY"):
ring = Ring(self.object_ring_path)
raw_path = env.get("RAW_PATH_INFO").split("/")
node_data = ring.get_nodes(raw_path[2],raw_path[3],raw_path[4])
deploy_host = node_data[1][0]["ip"]
req.headers["X-Object-Meta-LXC-HOST"] = deploy_host
req.headers["REMOTE_USER"] = raw_path[2]
return self.app(env, start_response)
def create_account(act):
ts = utils.normalize_timestamp(time())
account_ring = Ring(_testdir, ring_name='account')
partition, nodes = account_ring.get_nodes(act)
for node in nodes:
# Note: we are just using the http_connect method in the object
# controller here to talk to the account server nodes.
conn = swift.proxy.controllers.obj.http_connect(
node['ip'], node['port'], node['device'], partition, 'PUT',
'/' + act, {'X-Timestamp': ts, 'x-trans-id': act})
resp = conn.getresponse()
assert(resp.status == 201)
def __init__(self, app, conf):
self.app = app
self.logger = get_logger(conf, log_route='endpoints')
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.account_ring = Ring(self.swift_dir, ring_name='account')
self.container_ring = Ring(self.swift_dir, ring_name='container')
self.endpoints_path = conf.get('list_endpoints_path', '/endpoints/')
if not self.endpoints_path.endswith('/'):
self.endpoints_path += '/'
self.default_response_version = 1.0
self.response_map = {
1.0: self.v1_format_response,
2.0: self.v2_format_response,
}
def is_valid_ring(ring_file):
"""Check if a ring file is 'valid'
- make sure it has more than one device
- make sure get_part_nodes works
:returns: True or False if ring is valid
"""
try:
ring = Ring(ring_file)
if len(ring.devs) < 1:
return False
if not ring.get_part_nodes(1):
return False
except Exception:
return False
return True
class SwiftUsageInput(IDataSource):
def __init__(self, project, username, password, auth_url, ring_location="/etc/swift/account.ring.gz"):
self.__project=project
self.__username=username
self.__password=password
self.__auth_url=auth_url
self.__ring_location=ring_location
self.__ring=None
def get_data(self, **kwargs):
query_id=str(uuid.uuid4())
data_list=[]
from keystoneclient.v2_0 import client
from swift.common.ring import Ring
keystone=client.Client(username=self.__username, password=self.__password, tenant_name=self.__project, auth_url=self.__auth_url)
self.__ring = Ring(self.__ring_location)
tenants = [tenant.id for tenant in keystone.tenants.list()]
random.shuffle(tenants)
data=init_message()
data["swift"] = {}
for tenant, stats in zip(tenants, ThreadPool().map(self.fetch, tenants)):
if stats is not None:
data["swift"][tenant] = stats
return data
def fetch(self, tenant):
account = "AUTH_%s" % tenant
partition = self.__ring.get_part(account, None, None)
nodes = self.__ring.get_part_nodes(partition)
random.shuffle(nodes)
for node in nodes:
url = "http://%s:%s/%s/%s/%s" % (node["ip"], node["port"], node["device"], partition, account)
try:
response = requests.head(url, timeout=5)
if response.status_code == 204:
return {
"containers" : int(response.headers["x-account-container-count"]),
"objects" : int(response.headers["x-account-object-count"]),
"bytes" : int(response.headers["x-account-bytes-used"]),
"quota" : int(response.headers["x-account-meta-quota-bytes"]) if "x-account-meta-quota-bytes" in response.headers else None
}
elif response.status_code == 404:
return None
else:
log.warning("error fetching %s [HTTP %s]", url, response.status_code)
except:
log.warning("error fetching %s", url, exc_info=True)
log.error("failed to fetch info for tenant %s", tenant)
return None
def __init__(self, conf):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
"""
self.conf = conf
self.logger = get_logger(conf, log_route='object-replicator')
self.devices_dir = conf.get('devices', '/srv/node')
self.mount_check = conf.get('mount_check', 'true').lower() in \
('true', 't', '1', 'on', 'yes', 'y')
self.vm_test_mode = conf.get(
'vm_test_mode', 'no').lower() in ('yes', 'true', 'on', '1')
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.port = int(conf.get('bind_port', 6000))
self.concurrency = int(conf.get('concurrency', 1))
self.stats_interval = int(conf.get('stats_interval', '300'))
self.object_ring = Ring(self.swift_dir, ring_name='object')
self.ring_check_interval = int(conf.get('ring_check_interval', 15))
self.next_check = time.time() + self.ring_check_interval
self.reclaim_age = int(conf.get('reclaim_age', 86400 * 7))
self.partition_times = []
self.run_pause = int(conf.get('run_pause', 30))
self.rsync_timeout = int(conf.get('rsync_timeout', 900))
self.rsync_io_timeout = conf.get('rsync_io_timeout', '30')
self.http_timeout = int(conf.get('http_timeout', 60))
self.lockup_timeout = int(conf.get('lockup_timeout', 1800))
self.recon_enable = conf.get(
'recon_enable', 'no').lower() in TRUE_VALUES
self.recon_cache_path = conf.get(
'recon_cache_path', '/var/cache/swift')
self.recon_object = os.path.join(self.recon_cache_path, "object.recon")
def __init__(self, conf):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
"""
self.conf = conf
self.logger = get_logger(conf, log_route='object-replicator')
self.devices_dir = conf.get('devices', '/srv/node')
self.mount_check = config_true_value(conf.get('mount_check', 'true'))
self.vm_test_mode = config_true_value(conf.get('vm_test_mode', 'no'))
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.port = int(conf.get('bind_port', 6000))
self.concurrency = int(conf.get('concurrency', 1))
self.stats_interval = int(conf.get('stats_interval', '300'))
self.object_ring = Ring(self.swift_dir, ring_name='object')
self.ring_check_interval = int(conf.get('ring_check_interval', 15))
self.next_check = time.time() + self.ring_check_interval
self.reclaim_age = int(conf.get('reclaim_age', 86400 * 7))
self.partition_times = []
self.run_pause = int(conf.get('run_pause', 30))
self.rsync_timeout = int(conf.get('rsync_timeout', 900))
self.rsync_io_timeout = conf.get('rsync_io_timeout', '30')
self.rsync_bwlimit = conf.get('rsync_bwlimit', '0')
self.http_timeout = int(conf.get('http_timeout', 60))
self.lockup_timeout = int(conf.get('lockup_timeout', 1800))
self.recon_cache_path = conf.get('recon_cache_path',
'/var/cache/swift')
self.rcache = os.path.join(self.recon_cache_path, "object.recon")
self.headers = {
'Content-Length': '0',
'user-agent': 'obj-replicator %s' % os.getpid()}
self.rsync_error_log_line_length = \
int(conf.get('rsync_error_log_line_length', 0))
def __init__(self, conf):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
"""
self.conf = conf
self.logger = get_logger(conf, log_route="object-replicator")
self.devices_dir = conf.get("devices", "/srv/node")
self.mount_check = conf.get("mount_check", "true").lower() in ("true", "t", "1", "on", "yes", "y")
self.vm_test_mode = conf.get("vm_test_mode", "no").lower() in ("yes", "true", "on", "1")
self.swift_dir = conf.get("swift_dir", "/etc/swift")
self.port = int(conf.get("bind_port", 6000))
self.concurrency = int(conf.get("concurrency", 1))
self.stats_interval = int(conf.get("stats_interval", "300"))
self.object_ring = Ring(self.swift_dir, ring_name="object")
self.ring_check_interval = int(conf.get("ring_check_interval", 15))
self.next_check = time.time() + self.ring_check_interval
self.reclaim_age = int(conf.get("reclaim_age", 86400 * 7))
self.partition_times = []
self.run_pause = int(conf.get("run_pause", 30))
self.rsync_timeout = int(conf.get("rsync_timeout", 900))
self.rsync_io_timeout = conf.get("rsync_io_timeout", "30")
self.http_timeout = int(conf.get("http_timeout", 60))
self.lockup_timeout = int(conf.get("lockup_timeout", 1800))
self.recon_cache_path = conf.get("recon_cache_path", "/var/cache/swift")
self.rcache = os.path.join(self.recon_cache_path, "object.recon")
def __init__(self, conf):
self.conf = conf
self.container_ring = Ring('/etc/swift', ring_name='container')
self.logger = get_logger(conf, log_route='object-restorer')
self.logger.set_statsd_prefix('s3-object-restorer')
self.interval = int(conf.get('interval') or 300)
self.restoring_object_account = '.s3_restoring_objects'
self.expiring_restored_account = '.s3_expiring_restored_objects'
self.glacier_account_prefix = '.glacier_'
self.todo_container = 'todo'
self.restoring_container = 'restoring'
conf_path = '/etc/swift/s3-object-restorer.conf'
request_tries = int(conf.get('request_tries') or 3)
self.glacier = self._init_glacier()
self.glacier_tmpdir = conf.get('temp_path', '/var/cache/s3/')
self.swift = InternalClient(conf_path,
'Swift Object Restorer',
request_tries)
self.report_interval = int(conf.get('report_interval') or 300)
self.report_first_time = self.report_last_time = time()
self.report_objects = 0
self.recon_cache_path = conf.get('recon_cache_path',
'/var/cache/swift')
self.rcache = join(self.recon_cache_path, 'object.recon')
self.concurrency = int(conf.get('concurrency', 1))
if self.concurrency < 1:
raise ValueError("concurrency must be set to at least 1")
self.processes = int(self.conf.get('processes', 0))
self.process = int(self.conf.get('process', 0))
self.client = Client(self.conf.get('sentry_sdn', ''))
def __init__(self, app, conf, *args, **kwargs):
self.app = app
self.conf = conf
self.logger = get_logger(self.conf, log_route='transition')
self.container_ring = Ring('/etc/swift', ring_name='container')
self.glacier_account_prefix = '.glacier_'
self.temp_path = conf.get('temp_path', '/var/cache/s3/')
def __init__(self, conf):
self.conf = conf
self.logger = get_logger(conf, log_route='utilization-aggregator')
self.interval = int(conf.get('interval') or 60)
self.aggregate_account = '.utilization'
self.sample_account = '.transfer_record'
conf_path = conf.get('__file__') or \
'/etc/swift/swift-utilization-aggregator.conf'
request_tries = int(conf.get('request_tries') or 3)
self.swift = InternalClient(conf_path,
'Swift Utilization Aggregator',
request_tries)
self.report_interval = int(conf.get('report_interval') or 60)
self.report_first_time = self.report_last_time = time()
self.report_containers = 0
self.report_objects = 0
self.recon_cache_path = conf.get('recon_cache_path',
'/var/cache/swift')
self.rcache = join(self.recon_cache_path, 'object.recon')
self.concurrency = int(conf.get('concurrency', 1))
if self.concurrency < 1:
raise ValueError("concurrency must be set to at least 1")
self.processes = int(self.conf.get('processes', 0))
self.process = int(self.conf.get('process', 0))
self.container_ring = Ring('/etc/swift', ring_name='container')
self.sample_rate = int(self.conf.get('sample_rate', 600))
self.last_chk = iso8601_to_timestamp(self.conf.get(
'service_start'))
self.kinx_api_url = self.conf.get('kinx_api_url')
def __init__(self, app, conf, *args, **kwargs):
self.app = app
self.conf = conf
self.sample_account = '.transfer_record'
self.aggregate_account = '.utilization'
self.logger = get_logger(self.conf, log_route='utilization')
self.container_ring = Ring('/etc/swift', ring_name='container')
self.sample_rate = int(self.conf.get('sample_rate', 600))
def create_account(act):
ts = utils.normalize_timestamp(time())
account_ring = Ring(_testdir, ring_name="account")
partition, nodes = account_ring.get_nodes(act)
for node in nodes:
# Note: we are just using the http_connect method in the object
# controller here to talk to the account server nodes.
conn = swift.proxy.controllers.obj.http_connect(
node["ip"],
node["port"],
node["device"],
partition,
"PUT",
"/" + act,
{"X-Timestamp": ts, "x-trans-id": act},
)
resp = conn.getresponse()
assert resp.status == 201
def get_container_list(account):
#Require a account eg. AUTH_ss
#Return a list of containers within this account
account_ring = Ring(swift_dir, ring_name="account")
container_ring = Ring(swift_dir, ring_name="container")
object_ring = Ring(swift_dir, ring_name="object")
part, nodes = account_ring.get_nodes(account)
URL="http://%s:%s/%s/%s/%s" % (nodes[0]['ip'], nodes[0]['port'], nodes[0]['device'],
part, account)
r = requests.get(URL)
if r.status_code == 404:
logger.warning("Account not existing yet")
content = str(r.text)
req = urllib2.Request(URL)
container_list_hash = hashlib.md5(content).hexdigest()
content = content.split("\n")
content.remove('')
return content, container_list_hash
def get_data(self, **kwargs):
query_id=str(uuid.uuid4())
data_list=[]
from keystoneclient.v2_0 import client
from swift.common.ring import Ring
keystone=client.Client(username=self.__username, password=self.__password, tenant_name=self.__project, auth_url=self.__auth_url)
self.__ring = Ring(self.__ring_location)
tenants = [tenant.id for tenant in keystone.tenants.list()]
random.shuffle(tenants)
data=init_message()
data["swift"] = {}
for tenant, stats in zip(tenants, ThreadPool().map(self.fetch, tenants)):
if stats is not None:
data["swift"][tenant] = stats
return data
def _delete_or_save_lifecycle(self, method, lifecycle=None):
path = '/.s3_bucket_lifecycle/%s/%s' % (self.account, self.container)
oring = Ring('/etc/swift', ring_name='object')
cring = Ring('/etc/swift', ring_name='container')
part, nodes = oring.get_nodes('.s3_bucket_lifecycle', self.account,
self.container)
cpart, cnodes = cring.get_nodes('.s3_bucket_lifecycle', self.account)
now_ts = normalize_timestamp(time.time())
i = 0
for node in nodes:
ip = node['ip']
port = node['port']
dev = node['device']
headers = dict()
headers['user-agent'] = 'lifecycle-uploader'
headers['X-Timestamp'] = now_ts
headers['referer'] = 'lifecycle-uploader'
headers['X-Container-Partition'] = cpart
headers['X-Container-Host'] = '%(ip)s:%(port)s' % cnodes[i]
headers['X-Container-Device'] = cnodes[i]['device']
if lifecycle:
headers['content-length'] = len(lifecycle)
headers['etags'] = self._compute_md5(lifecycle)
headers['content-type'] = 'text/plain'
conn = http_connect(ip, port, dev, part, method, path,
headers)
if method == 'PUT':
conn.send(lifecycle)
response = conn.getresponse()
i += 1
return response
def _get_db_info(self, account, container, number):
server_type = 'container'
obj_conf = self.configs['%s-server' % server_type]
config_path = obj_conf[number]
options = utils.readconf(config_path, 'app:container-server')
root = options.get('devices')
swift_dir = options.get('swift_dir', '/etc/swift')
ring = Ring(swift_dir, ring_name=server_type)
part, nodes = ring.get_nodes(account, container)
for node in nodes:
# assumes one to one mapping
if node['port'] == int(options.get('bind_port')):
device = node['device']
break
else:
return None
path_hash = utils.hash_path(account, container)
_dir = utils.storage_directory('%ss' % server_type, part, path_hash)
db_dir = os.path.join(root, device, _dir)
db_file = os.path.join(db_dir, '%s.db' % path_hash)
db = ContainerBroker(db_file)
return db.get_info()
class ObjectEndpoint(object):
def __init__(self, app, conf):
self.app = app
self.logger = get_logger(conf, log_route='object_endpoint')
swift_dir = conf.get('swift_dir', '/etc/swift')
self.object_ring = Ring(swift_dir, ring_name='object')
def __call__(self, env, start_response):
request = Request(env)
url_prefix = '/object_endpoint/'
if request.path.startswith(url_prefix):
if request.method != 'GET':
raise HTTPMethodNotAllowed()
aco = split_path(request.path[len(url_prefix) - 1:], 1, 3, True)
account = aco[0]
container = aco[1]
obj = aco[2]
if obj.endswith('/'):
obj = obj[:-1]
object_partition, objects = self.object_ring.get_nodes(
account, container, obj)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}/{container}/{obj}'
endpoints = []
for element in objects:
endpoint = endpoint_template.format(ip=element['ip'],
port=element['port'],
device=element['device'],
partition=object_partition,
account=account,
container=container,
obj=obj)
endpoints.append(endpoint)
start_response('200 OK', {})
return json.dumps(endpoints)
return self.app(env, start_response)
def __init__(self, conf):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
"""
self.conf = conf
self.logger = get_logger(conf, log_route="object-replicator")
self.devices_dir = conf.get("devices", "/srv/node")
self.mount_check = config_true_value(conf.get("mount_check", "true"))
self.vm_test_mode = config_true_value(conf.get("vm_test_mode", "no"))
self.swift_dir = conf.get("swift_dir", "/etc/swift")
self.port = int(conf.get("bind_port", 6000))
self.concurrency = int(conf.get("concurrency", 1))
self.stats_interval = int(conf.get("stats_interval", "300"))
self.object_ring = Ring(self.swift_dir, ring_name="object")
self.ring_check_interval = int(conf.get("ring_check_interval", 15))
self.next_check = time.time() + self.ring_check_interval
self.reclaim_age = int(conf.get("reclaim_age", 86400 * 7))
self.partition_times = []
self.run_pause = int(conf.get("run_pause", 30))
self.rsync_timeout = int(conf.get("rsync_timeout", 900))
self.rsync_io_timeout = conf.get("rsync_io_timeout", "30")
self.rsync_bwlimit = conf.get("rsync_bwlimit", "0")
self.http_timeout = int(conf.get("http_timeout", 60))
self.lockup_timeout = int(conf.get("lockup_timeout", 1800))
self.recon_cache_path = conf.get("recon_cache_path", "/var/cache/swift")
self.rcache = os.path.join(self.recon_cache_path, "object.recon")
self.conn_timeout = float(conf.get("conn_timeout", 0.5))
self.node_timeout = float(conf.get("node_timeout", 10))
self.sync_method = getattr(self, conf.get("sync_method") or "rsync")
self.network_chunk_size = int(conf.get("network_chunk_size", 65536))
self.disk_chunk_size = int(conf.get("disk_chunk_size", 65536))
self.headers = {"Content-Length": "0", "user-agent": "obj-replicator %s" % os.getpid()}
self.rsync_error_log_line_length = int(conf.get("rsync_error_log_line_length", 0))
self.handoffs_first = config_true_value(conf.get("handoffs_first", False))
self.handoff_delete = config_auto_int_value(conf.get("handoff_delete", "auto"), 0)
self._diskfile_mgr = DiskFileManager(conf, self.logger)
def _test_ondisk_data_after_write_with_crypto(self, policy_name):
policy = storage_policy.POLICIES.get_by_name(policy_name)
self._create_container(self.proxy_app, policy_name=policy_name)
self._put_object(self.crypto_app, self.plaintext)
self._post_object(self.crypto_app)
# Verify container listing etag is encrypted by direct GET to container
# server. We can use any server for all nodes since they all share same
# devices dir.
cont_server = self._test_context['test_servers'][3]
cont_ring = Ring(self._test_context['testdir'], ring_name='container')
part, nodes = cont_ring.get_nodes('a', self.container_name)
for node in nodes:
req = Request.blank('/%s/%s/a/%s'
% (node['device'], part, self.container_name),
method='GET', query_string='format=json')
resp = req.get_response(cont_server)
listing = json.loads(resp.body)
# sanity checks...
self.assertEqual(1, len(listing))
self.assertEqual('o', listing[0]['name'])
self.assertEqual('application/test', listing[0]['content_type'])
# verify encrypted etag value
parts = listing[0]['hash'].rsplit(';', 1)
crypto_meta_param = parts[1].strip()
crypto_meta = crypto_meta_param[len('swift_meta='):]
listing_etag_iv = load_crypto_meta(crypto_meta)['iv']
exp_enc_listing_etag = base64.b64encode(
encrypt(self.plaintext_etag,
self.km.create_key('/a/%s' % self.container_name),
listing_etag_iv))
self.assertEqual(exp_enc_listing_etag, parts[0])
# Verify diskfile data and metadata is encrypted
ring_object = self.proxy_app.get_object_ring(int(policy))
partition, nodes = ring_object.get_nodes('a', self.container_name, 'o')
conf = {'devices': self._test_context["testdir"],
'mount_check': 'false'}
df_mgr = diskfile.DiskFileRouter(conf, FakeLogger())[policy]
ondisk_data = []
exp_enc_body = None
for node_index, node in enumerate(nodes):
df = df_mgr.get_diskfile(node['device'], partition,
'a', self.container_name, 'o',
policy=policy)
with df.open():
meta = df.get_metadata()
contents = ''.join(df.reader())
metadata = dict((k.lower(), v) for k, v in meta.items())
# verify on disk data - body
body_iv = load_crypto_meta(
metadata['x-object-sysmeta-crypto-body-meta'])['iv']
body_key_meta = load_crypto_meta(
metadata['x-object-sysmeta-crypto-body-meta'])['body_key']
obj_key = self.km.create_key('/a/%s/o' % self.container_name)
body_key = Crypto().unwrap_key(obj_key, body_key_meta)
exp_enc_body = encrypt(self.plaintext, body_key, body_iv)
ondisk_data.append((node, contents))
# verify on disk user metadata
enc_val, meta = metadata[
'x-object-transient-sysmeta-crypto-meta-fruit'].split(';')
meta = meta.strip()[len('swift_meta='):]
metadata_iv = load_crypto_meta(meta)['iv']
exp_enc_meta = base64.b64encode(encrypt('Kiwi', obj_key,
metadata_iv))
self.assertEqual(exp_enc_meta, enc_val)
self.assertNotIn('x-object-meta-fruit', metadata)
self.assertIn(
'x-object-transient-sysmeta-crypto-meta', metadata)
meta = load_crypto_meta(
metadata['x-object-transient-sysmeta-crypto-meta'])
self.assertIn('key_id', meta)
self.assertIn('path', meta['key_id'])
self.assertEqual(
'/a/%s/%s' % (self.container_name, self.object_name),
meta['key_id']['path'])
self.assertIn('v', meta['key_id'])
self.assertEqual('1', meta['key_id']['v'])
self.assertIn('cipher', meta)
self.assertEqual(Crypto.cipher, meta['cipher'])
# verify etag
actual_enc_etag, _junk, actual_etag_meta = metadata[
'x-object-sysmeta-crypto-etag'].partition('; swift_meta=')
etag_iv = load_crypto_meta(actual_etag_meta)['iv']
exp_enc_etag = base64.b64encode(encrypt(self.plaintext_etag,
obj_key, etag_iv))
self.assertEqual(exp_enc_etag, actual_enc_etag)
# verify etag hmac
exp_etag_mac = hmac.new(
obj_key, self.plaintext_etag, digestmod=hashlib.sha256)
exp_etag_mac = base64.b64encode(exp_etag_mac.digest())
self.assertEqual(exp_etag_mac,
metadata['x-object-sysmeta-crypto-etag-mac'])
# verify etag override for container updates
override = 'x-object-sysmeta-container-update-override-etag'
parts = metadata[override].rsplit(';', 1)
crypto_meta_param = parts[1].strip()
crypto_meta = crypto_meta_param[len('swift_meta='):]
listing_etag_iv = load_crypto_meta(crypto_meta)['iv']
cont_key = self.km.create_key('/a/%s' % self.container_name)
exp_enc_listing_etag = base64.b64encode(
encrypt(self.plaintext_etag, cont_key,
listing_etag_iv))
self.assertEqual(exp_enc_listing_etag, parts[0])
self._check_GET_and_HEAD(self.crypto_app)
return exp_enc_body, ondisk_data
class ObjectReplicator(Daemon):
"""
Replicate objects.
Encapsulates most logic and data needed by the object replication process.
Each call to .replicate() performs one replication pass. It's up to the
caller to do this in a loop.
"""
def __init__(self, conf):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
"""
self.conf = conf
self.logger = get_logger(conf, log_route='object-replicator')
self.devices_dir = conf.get('devices', '/srv/node')
self.mount_check = conf.get('mount_check', 'true').lower() in \
('true', 't', '1', 'on', 'yes', 'y')
self.vm_test_mode = conf.get(
'vm_test_mode', 'no').lower() in ('yes', 'true', 'on', '1')
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.port = int(conf.get('bind_port', 6000))
self.concurrency = int(conf.get('concurrency', 1))
self.stats_interval = int(conf.get('stats_interval', '300'))
self.object_ring = Ring(self.swift_dir, ring_name='object')
self.ring_check_interval = int(conf.get('ring_check_interval', 15))
self.next_check = time.time() + self.ring_check_interval
self.reclaim_age = int(conf.get('reclaim_age', 86400 * 7))
self.partition_times = []
self.run_pause = int(conf.get('run_pause', 30))
self.rsync_timeout = int(conf.get('rsync_timeout', 900))
self.rsync_io_timeout = conf.get('rsync_io_timeout', '30')
self.http_timeout = int(conf.get('http_timeout', 60))
self.lockup_timeout = int(conf.get('lockup_timeout', 1800))
self.recon_enable = conf.get(
'recon_enable', 'no').lower() in TRUE_VALUES
self.recon_cache_path = conf.get(
'recon_cache_path', '/var/cache/swift')
self.recon_object = os.path.join(self.recon_cache_path, "object.recon")
def _rsync(self, args):
"""
Execute the rsync binary to replicate a partition.
:returns: return code of rsync process. 0 is successful
"""
start_time = time.time()
ret_val = None
try:
with Timeout(self.rsync_timeout):
proc = subprocess.Popen(args, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
results = proc.stdout.read()
ret_val = proc.wait()
except Timeout:
self.logger.error(_("Killing long-running rsync: %s"), str(args))
proc.kill()
return 1 # failure response code
total_time = time.time() - start_time
for result in results.split('\n'):
if result == '':
continue
if result.startswith('cd+'):
continue
if not ret_val:
self.logger.info(result)
else:
self.logger.error(result)
if ret_val:
self.logger.error(_('Bad rsync return code: %(args)s -> %(ret)d'),
{'args': str(args), 'ret': ret_val})
elif results:
self.logger.info(
_("Successful rsync of %(src)s at %(dst)s (%(time).03f)"),
{'src': args[-2], 'dst': args[-1], 'time': total_time})
else:
self.logger.debug(
_("Successful rsync of %(src)s at %(dst)s (%(time).03f)"),
{'src': args[-2], 'dst': args[-1], 'time': total_time})
return ret_val
def rsync(self, node, job, suffixes):
"""
Synchronize local suffix directories from a partition with a remote
node.
:param node: the "dev" entry for the remote node to sync with
:param job: information about the partition being synced
:param suffixes: a list of suffixes which need to be pushed
:returns: boolean indicating success or failure
"""
if not os.path.exists(job['path']):
return False
args = [
'rsync',
'--recursive',
'--whole-file',
'--human-readable',
'--xattrs',
'--itemize-changes',
'--ignore-existing',
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
]
if self.vm_test_mode:
rsync_module = '[%s]::object%s' % (node['ip'], node['port'])
else:
rsync_module = '[%s]::object' % node['ip']
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False
args.append(join(rsync_module, node['device'],
'objects', job['partition']))
return self._rsync(args) == 0
def check_ring(self):
"""
Check to see if the ring has been updated
:returns: boolean indicating whether or not the ring has changed
"""
if time.time() > self.next_check:
self.next_check = time.time() + self.ring_check_interval
if self.object_ring.has_changed():
return False
return True
def update_deleted(self, job):
"""
High-level method that replicates a single partition that doesn't
belong on this node.
:param job: a dict containing info about the partition to be replicated
"""
def tpool_get_suffixes(path):
return [suff for suff in os.listdir(path)
if len(suff) == 3 and isdir(join(path, suff))]
self.replication_count += 1
self.logger.increment('partition.delete.count.%s' % (job['device'],))
begin = time.time()
try:
responses = []
suffixes = tpool.execute(tpool_get_suffixes, job['path'])
if suffixes:
for node in job['nodes']:
success = self.rsync(node, job, suffixes)
if success:
with Timeout(self.http_timeout):
http_connect(node['ip'], node['port'],
node['device'], job['partition'], 'REPLICATE',
'/' + '-'.join(suffixes),
headers={'Content-Length': '0'}).getresponse().read()
responses.append(success)
if not suffixes or (len(responses) == \
len(job['nodes']) and all(responses)):
self.logger.info(_("Removing partition: %s"), job['path'])
tpool.execute(shutil.rmtree, job['path'], ignore_errors=True)
except (Exception, Timeout):
self.logger.exception(_("Error syncing handoff partition"))
finally:
self.partition_times.append(time.time() - begin)
self.logger.timing_since('partition.delete.timing', begin)
def update(self, job):
"""
High-level method that replicates a single partition.
:param job: a dict containing info about the partition to be replicated
"""
self.replication_count += 1
self.logger.increment('partition.update.count.%s' % (job['device'],))
begin = time.time()
try:
hashed, local_hash = tpool.execute(tpooled_get_hashes, job['path'],
do_listdir=(self.replication_count % 10) == 0,
reclaim_age=self.reclaim_age)
# See tpooled_get_hashes "Hack".
if isinstance(hashed, BaseException):
raise hashed
self.suffix_hash += hashed
self.logger.update_stats('suffix.hashes', hashed)
attempts_left = len(job['nodes'])
nodes = itertools.chain(job['nodes'],
self.object_ring.get_more_nodes(int(job['partition'])))
while attempts_left > 0:
# If this throws StopIterator it will be caught way below
node = next(nodes)
attempts_left -= 1
try:
with Timeout(self.http_timeout):
resp = http_connect(node['ip'], node['port'],
node['device'], job['partition'], 'REPLICATE',
'', headers={'Content-Length': '0'}).getresponse()
if resp.status == HTTP_INSUFFICIENT_STORAGE:
self.logger.error(_('%(ip)s/%(device)s responded'
' as unmounted'), node)
attempts_left += 1
continue
if resp.status != HTTP_OK:
self.logger.error(_("Invalid response %(resp)s "
"from %(ip)s"),
{'resp': resp.status, 'ip': node['ip']})
continue
remote_hash = pickle.loads(resp.read())
del resp
suffixes = [suffix for suffix in local_hash if
local_hash[suffix] != remote_hash.get(suffix, -1)]
if not suffixes:
continue
hashed, recalc_hash = tpool.execute(tpooled_get_hashes,
job['path'], recalculate=suffixes,
reclaim_age=self.reclaim_age)
# See tpooled_get_hashes "Hack".
if isinstance(hashed, BaseException):
raise hashed
self.logger.update_stats('suffix.hashes', hashed)
local_hash = recalc_hash
suffixes = [suffix for suffix in local_hash if
local_hash[suffix] != remote_hash.get(suffix, -1)]
self.rsync(node, job, suffixes)
with Timeout(self.http_timeout):
conn = http_connect(node['ip'], node['port'],
node['device'], job['partition'], 'REPLICATE',
'/' + '-'.join(suffixes),
headers={'Content-Length': '0'})
conn.getresponse().read()
self.suffix_sync += len(suffixes)
self.logger.update_stats('suffix.syncs', len(suffixes))
except (Exception, Timeout):
self.logger.exception(_("Error syncing with node: %s") %
node)
self.suffix_count += len(local_hash)
except (Exception, Timeout):
self.logger.exception(_("Error syncing partition"))
finally:
self.partition_times.append(time.time() - begin)
self.logger.timing_since('partition.update.timing', begin)
def stats_line(self):
"""
Logs various stats for the currently running replication pass.
"""
if self.replication_count:
elapsed = (time.time() - self.start) or 0.000001
rate = self.replication_count / elapsed
self.logger.info(_("%(replicated)d/%(total)d (%(percentage).2f%%)"
" partitions replicated in %(time).2fs (%(rate).2f/sec, "
"%(remaining)s remaining)"),
{'replicated': self.replication_count, 'total': self.job_count,
'percentage': self.replication_count * 100.0 / self.job_count,
'time': time.time() - self.start, 'rate': rate,
'remaining': '%d%s' % compute_eta(self.start,
self.replication_count, self.job_count)})
if self.suffix_count:
self.logger.info(_("%(checked)d suffixes checked - "
"%(hashed).2f%% hashed, %(synced).2f%% synced"),
{'checked': self.suffix_count,
'hashed': (self.suffix_hash * 100.0) / self.suffix_count,
'synced': (self.suffix_sync * 100.0) / self.suffix_count})
self.partition_times.sort()
self.logger.info(_("Partition times: max %(max).4fs, "
"min %(min).4fs, med %(med).4fs"),
{'max': self.partition_times[-1],
'min': self.partition_times[0],
'med': self.partition_times[
len(self.partition_times) // 2]})
else:
self.logger.info(_("Nothing replicated for %s seconds."),
(time.time() - self.start))
def kill_coros(self):
"""Utility function that kills all coroutines currently running."""
for coro in list(self.run_pool.coroutines_running):
try:
coro.kill(GreenletExit)
except GreenletExit:
pass
def heartbeat(self):
"""
Loop that runs in the background during replication. It periodically
logs progress.
"""
while True:
eventlet.sleep(self.stats_interval)
self.stats_line()
def detect_lockups(self):
"""
In testing, the pool.waitall() call very occasionally failed to return.
This is an attempt to make sure the replicator finishes its replication
pass in some eventuality.
"""
while True:
eventlet.sleep(self.lockup_timeout)
if self.replication_count == self.last_replication_count:
self.logger.error(_("Lockup detected.. killing live coros."))
self.kill_coros()
self.last_replication_count = self.replication_count
def collect_jobs(self):
"""
Returns a sorted list of jobs (dictionaries) that specify the
partitions, nodes, etc to be rsynced.
"""
jobs = []
ips = whataremyips()
for local_dev in [dev for dev in self.object_ring.devs
if dev and dev['ip'] in ips and dev['port'] == self.port]:
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, 'objects')
tmp_path = join(dev_path, 'tmp')
if self.mount_check and not os.path.ismount(dev_path):
self.logger.warn(_('%s is not mounted'), local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
continue
for partition in os.listdir(obj_path):
try:
part_nodes = \
self.object_ring.get_part_nodes(int(partition))
nodes = [node for node in part_nodes
if node['id'] != local_dev['id']]
jobs.append(dict(path=join(obj_path, partition),
device=local_dev['device'],
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
partition=partition))
except ValueError:
continue
random.shuffle(jobs)
# Partititons that need to be deleted take priority
jobs.sort(key=lambda job: not job['delete'])
self.job_count = len(jobs)
return jobs
def replicate(self):
"""Run a replication pass"""
self.start = time.time()
self.suffix_count = 0
self.suffix_sync = 0
self.suffix_hash = 0
self.replication_count = 0
self.last_replication_count = -1
self.partition_times = []
stats = eventlet.spawn(self.heartbeat)
lockup_detector = eventlet.spawn(self.detect_lockups)
eventlet.sleep() # Give spawns a cycle
try:
self.run_pool = GreenPool(size=self.concurrency)
jobs = self.collect_jobs()
for job in jobs:
if not self.check_ring():
self.logger.info(_("Ring change detected. Aborting "
"current replication pass."))
return
if job['delete']:
self.run_pool.spawn(self.update_deleted, job)
else:
self.run_pool.spawn(self.update, job)
with Timeout(self.lockup_timeout):
self.run_pool.waitall()
except (Exception, Timeout):
self.logger.exception(_("Exception in top-level replication loop"))
self.kill_coros()
finally:
stats.kill()
lockup_detector.kill()
self.stats_line()
def run_once(self, *args, **kwargs):
start = time.time()
self.logger.info(_("Running object replicator in script mode."))
self.replicate()
total = (time.time() - start) / 60
self.logger.info(
_("Object replication complete. (%.02f minutes)"), total)
if self.recon_enable:
try:
dump_recon_cache('object_replication_time', total, \
self.recon_object)
except (Exception, Timeout):
self.logger.exception(_('Exception dumping recon cache'))
def run_forever(self, *args, **kwargs):
self.logger.info(_("Starting object replicator in daemon mode."))
# Run the replicator continually
while True:
start = time.time()
self.logger.info(_("Starting object replication pass."))
# Run the replicator
self.replicate()
total = (time.time() - start) / 60
self.logger.info(
_("Object replication complete. (%.02f minutes)"), total)
if self.recon_enable:
try:
dump_recon_cache('object_replication_time', total, \
self.recon_object)
except (Exception, Timeout):
self.logger.exception(_('Exception dumping recon cache'))
self.logger.debug(_('Replication sleeping for %s seconds.'),
self.run_pause)
sleep(self.run_pause)
def __init__(self,
conf,
memcache=None,
logger=None,
account_ring=None,
container_ring=None,
object_ring=None):
if conf is None:
conf = {}
if logger is None:
self.logger = get_logger(conf, log_route='proxy-server')
else:
self.logger = logger
swift_dir = conf.get('swift_dir', '/etc/swift')
self.node_timeout = int(conf.get('node_timeout', 10))
self.conn_timeout = float(conf.get('conn_timeout', 0.5))
self.client_timeout = int(conf.get('client_timeout', 60))
self.put_queue_depth = int(conf.get('put_queue_depth', 10))
self.object_chunk_size = int(conf.get('object_chunk_size', 65536))
self.client_chunk_size = int(conf.get('client_chunk_size', 65536))
self.trans_id_suffix = conf.get('trans_id_suffix', '')
self.error_suppression_interval = \
int(conf.get('error_suppression_interval', 60))
self.error_suppression_limit = \
int(conf.get('error_suppression_limit', 10))
self.recheck_container_existence = \
int(conf.get('recheck_container_existence', 60))
self.recheck_account_existence = \
int(conf.get('recheck_account_existence', 60))
self.allow_account_management = \
config_true_value(conf.get('allow_account_management', 'no'))
self.object_post_as_copy = \
config_true_value(conf.get('object_post_as_copy', 'true'))
self.object_ring = object_ring or Ring(swift_dir, ring_name='object')
self.container_ring = container_ring or Ring(swift_dir,
ring_name='container')
self.account_ring = account_ring or Ring(swift_dir,
ring_name='account')
self.memcache = memcache
mimetypes.init(mimetypes.knownfiles +
[os.path.join(swift_dir, 'mime.types')])
self.account_autocreate = \
config_true_value(conf.get('account_autocreate', 'no'))
self.expiring_objects_account = \
(conf.get('auto_create_account_prefix') or '.') + \
'expiring_objects'
self.expiring_objects_container_divisor = \
int(conf.get('expiring_objects_container_divisor') or 86400)
self.max_containers_per_account = \
int(conf.get('max_containers_per_account') or 0)
self.max_containers_whitelist = [
a.strip()
for a in conf.get('max_containers_whitelist', '').split(',')
if a.strip()
]
self.deny_host_headers = [
host.strip()
for host in conf.get('deny_host_headers', '').split(',')
if host.strip()
]
self.rate_limit_after_segment = \
int(conf.get('rate_limit_after_segment', 10))
self.rate_limit_segments_per_sec = \
int(conf.get('rate_limit_segments_per_sec', 1))
self.log_handoffs = config_true_value(conf.get('log_handoffs', 'true'))
self.cors_allow_origin = [
a.strip() for a in conf.get('cors_allow_origin', '').split(',')
if a.strip()
]
self.node_timings = {}
self.timing_expiry = int(conf.get('timing_expiry', 300))
self.sorting_method = conf.get('sorting_method', 'shuffle').lower()
self.allow_static_large_object = config_true_value(
conf.get('allow_static_large_object', 'true'))
self.max_large_object_get_time = float(
conf.get('max_large_object_get_time', '86400'))
value = conf.get('request_node_count', '2 * replicas').lower().split()
if len(value) == 1:
value = int(value[0])
self.request_node_count = lambda r: value
elif len(value) == 3 and value[1] == '*' and value[2] == 'replicas':
value = int(value[0])
self.request_node_count = lambda r: value * r.replica_count
else:
raise ValueError('Invalid request_node_count value: %r' %
''.join(value))
try:
read_affinity = conf.get('read_affinity', '')
self.read_affinity_sort_key = affinity_key_function(read_affinity)
except ValueError as err:
# make the message a little more useful
raise ValueError("Invalid read_affinity value: %r (%s)" %
(read_affinity, err.message))
try:
write_affinity = conf.get('write_affinity', '')
self.write_affinity_is_local_fn \
= affinity_locality_predicate(write_affinity)
except ValueError as err:
# make the message a little more useful
raise ValueError("Invalid write_affinity value: %r (%s)" %
(write_affinity, err.message))
value = conf.get('write_affinity_node_count',
'2 * replicas').lower().split()
if len(value) == 1:
value = int(value[0])
self.write_affinity_node_count = lambda r: value
elif len(value) == 3 and value[1] == '*' and value[2] == 'replicas':
value = int(value[0])
self.write_affinity_node_count = lambda r: value * r.replica_count
else:
raise ValueError('Invalid write_affinity_node_count value: %r' %
''.join(value))
swift_owner_headers = conf.get(
'swift_owner_headers', 'x-container-read, x-container-write, '
'x-container-sync-key, x-container-sync-to, '
'x-account-meta-temp-url-key, x-account-meta-temp-url-key-2')
self.swift_owner_headers = [
name.strip() for name in swift_owner_headers.split(',')
if name.strip()
]
def __init__(self, options, *_args, **_kwargs):
self.ring = Ring(options.ring)
self.path = options.path
self.options = options
class ObjectReplicator(Daemon):
"""
Replicate objects.
Encapsulates most logic and data needed by the object replication process.
Each call to .replicate() performs one replication pass. It's up to the
caller to do this in a loop.
"""
def __init__(self, conf):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
"""
self.conf = conf
self.logger = get_logger(conf, log_route='object-replicator')
self.devices_dir = conf.get('devices', '/srv/node')
self.mount_check = config_true_value(conf.get('mount_check', 'true'))
self.vm_test_mode = config_true_value(conf.get('vm_test_mode', 'no'))
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.port = int(conf.get('bind_port', 6000))
self.concurrency = int(conf.get('concurrency', 1))
self.stats_interval = int(conf.get('stats_interval', '300'))
self.object_ring = Ring(self.swift_dir, ring_name='object')
self.ring_check_interval = int(conf.get('ring_check_interval', 15))
self.next_check = time.time() + self.ring_check_interval
self.reclaim_age = int(conf.get('reclaim_age', 86400 * 7))
self.partition_times = []
self.run_pause = int(conf.get('run_pause', 30))
self.rsync_timeout = int(conf.get('rsync_timeout', 900))
self.rsync_io_timeout = conf.get('rsync_io_timeout', '30')
self.rsync_bwlimit = conf.get('rsync_bwlimit', '0')
self.http_timeout = int(conf.get('http_timeout', 60))
self.lockup_timeout = int(conf.get('lockup_timeout', 1800))
self.recon_cache_path = conf.get('recon_cache_path',
'/var/cache/swift')
self.rcache = os.path.join(self.recon_cache_path, "object.recon")
self.conn_timeout = float(conf.get('conn_timeout', 0.5))
self.node_timeout = float(conf.get('node_timeout', 10))
self.sync_method = getattr(self, conf.get('sync_method') or 'rsync')
self.network_chunk_size = int(conf.get('network_chunk_size', 65536))
self.disk_chunk_size = int(conf.get('disk_chunk_size', 65536))
self.headers = {
'Content-Length': '0',
'user-agent': 'obj-replicator %s' % os.getpid()}
self.rsync_error_log_line_length = \
int(conf.get('rsync_error_log_line_length', 0))
self.handoffs_first = config_true_value(conf.get('handoffs_first',
False))
self.handoff_delete = config_auto_int_value(
conf.get('handoff_delete', 'auto'), 0)
self._diskfile_mgr = DiskFileManager(conf, self.logger)
def sync(self, node, job, suffixes): # Just exists for doc anchor point
"""
Synchronize local suffix directories from a partition with a remote
node.
:param node: the "dev" entry for the remote node to sync with
:param job: information about the partition being synced
:param suffixes: a list of suffixes which need to be pushed
:returns: boolean indicating success or failure
"""
return self.sync_method(node, job, suffixes)
def _rsync(self, args):
"""
Execute the rsync binary to replicate a partition.
:returns: return code of rsync process. 0 is successful
"""
start_time = time.time()
ret_val = None
try:
with Timeout(self.rsync_timeout):
proc = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
results = proc.stdout.read()
ret_val = proc.wait()
except Timeout:
self.logger.error(_("Killing long-running rsync: %s"), str(args))
proc.kill()
return 1 # failure response code
total_time = time.time() - start_time
for result in results.split('\n'):
if result == '':
continue
if result.startswith('cd+'):
continue
if not ret_val:
self.logger.info(result)
else:
self.logger.error(result)
if ret_val:
error_line = _('Bad rsync return code: %(ret)d <- %(args)s') % \
{'args': str(args), 'ret': ret_val}
if self.rsync_error_log_line_length:
error_line = error_line[:self.rsync_error_log_line_length]
self.logger.error(error_line)
elif results:
self.logger.info(
_("Successful rsync of %(src)s at %(dst)s (%(time).03f)"),
{'src': args[-2], 'dst': args[-1], 'time': total_time})
else:
self.logger.debug(
_("Successful rsync of %(src)s at %(dst)s (%(time).03f)"),
{'src': args[-2], 'dst': args[-1], 'time': total_time})
return ret_val
def rsync(self, node, job, suffixes):
"""
Uses rsync to implement the sync method. This was the first
sync method in Swift.
"""
if not os.path.exists(job['path']):
return False
args = [
'rsync',
'--recursive',
'--whole-file',
'--human-readable',
'--xattrs',
'--itemize-changes',
'--ignore-existing',
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
'--bwlimit=%s' % self.rsync_bwlimit,
]
node_ip = rsync_ip(node['replication_ip'])
if self.vm_test_mode:
rsync_module = '%s::object%s' % (node_ip, node['replication_port'])
else:
rsync_module = '%s::object' % node_ip
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False
args.append(join(rsync_module, node['device'],
'objects', job['partition']))
return self._rsync(args) == 0
def ssync(self, node, job, suffixes):
return ssync_sender.Sender(self, node, job, suffixes)()
def check_ring(self):
"""
Check to see if the ring has been updated
:returns: boolean indicating whether or not the ring has changed
"""
if time.time() > self.next_check:
self.next_check = time.time() + self.ring_check_interval
if self.object_ring.has_changed():
return False
return True
def update_deleted(self, job):
"""
High-level method that replicates a single partition that doesn't
belong on this node.
:param job: a dict containing info about the partition to be replicated
"""
def tpool_get_suffixes(path):
return [suff for suff in os.listdir(path)
if len(suff) == 3 and isdir(join(path, suff))]
self.replication_count += 1
self.logger.increment('partition.delete.count.%s' % (job['device'],))
begin = time.time()
try:
responses = []
suffixes = tpool.execute(tpool_get_suffixes, job['path'])
if suffixes:
for node in job['nodes']:
success = self.sync(node, job, suffixes)
if success:
with Timeout(self.http_timeout):
conn = http_connect(
node['replication_ip'],
node['replication_port'],
node['device'], job['partition'], 'REPLICATE',
'/' + '-'.join(suffixes), headers=self.headers)
conn.getresponse().read()
responses.append(success)
if self.handoff_delete:
# delete handoff if we have had handoff_delete successes
delete_handoff = len([resp for resp in responses if resp]) >= \
self.handoff_delete
else:
# delete handoff if all syncs were successful
delete_handoff = len(responses) == len(job['nodes']) and \
all(responses)
if not suffixes or delete_handoff:
self.logger.info(_("Removing partition: %s"), job['path'])
tpool.execute(shutil.rmtree, job['path'], ignore_errors=True)
except (Exception, Timeout):
self.logger.exception(_("Error syncing handoff partition"))
finally:
self.partition_times.append(time.time() - begin)
self.logger.timing_since('partition.delete.timing', begin)
def update(self, job):
"""
High-level method that replicates a single partition.
:param job: a dict containing info about the partition to be replicated
"""
self.replication_count += 1
self.logger.increment('partition.update.count.%s' % (job['device'],))
begin = time.time()
try:
#MODIFIED LightSync
local_hash = None
part_hash_local = tpool_reraise(get_part_hash, job['path'])
#Partition has been modified
if part_hash_local is None:
hashed, local_hash = tpool_reraise(
get_hashes, job['path'],
do_listdir=(self.replication_count % 10) == 0,
reclaim_age=self.reclaim_age)
self.suffix_hash += hashed
self.logger.update_stats('suffix.hashes', hashed)
part_hash_local = tpool_reraise(get_part_hash, job['path'])
"""hashed, local_hash = tpool_reraise(
get_hashes, job['path'],
do_listdir=(self.replication_count % 10) == 0,
reclaim_age=self.reclaim_age)
self.suffix_hash += hashed
self.logger.update_stats('suffix.hashes', hashed)"""
attempts_left = True
nodes = itertools.chain(job['nodes'])
while (True):
##
# If this throws StopIterator it will be caught way below
node = next(nodes)
try:
#MODIFIED LightSync
req_suff = '' if part_hash_local is None else '/_SHORTREP_-'\
+part_hash_local
with Timeout(self.http_timeout):
resp = http_connect(
node['replication_ip'], node['replication_port'],
node['device'], job['partition'], 'REPLICATE',
req_suff, headers=self.headers).getresponse()
if resp.status == HTTP_INSUFFICIENT_STORAGE:
self.logger.error(_('%(ip)s/%(device)s responded'
' as unmounted'), node)
if(attempts_left):
attempts_left = False
########To modify to start from current node's hand-off: Hash node info to get hand-off position
nodes = itertools.chain(
self.object_ring.get_more_nodes(int(job['partition'])),
nodes)
continue
if resp.status != HTTP_OK:
self.logger.error(_("Invalid response %(resp)s "
"from %(ip)s"),
{'resp': resp.status,
'ip': node['replication_ip']})
continue
part_hash_remote = pickle.loads(resp.read())
del resp
if part_hash_remote == "OK":
break
remote_hash = part_hash_remote
if local_hash is None:
hashed, local_hash = tpool_reraise(
get_hashes, job['path'],
do_listdir=(self.replication_count % 10) == 0,
reclaim_age=self.reclaim_age)
self.suffix_hash += hashed
self.logger.update_stats('suffix.hashes', hashed)
'''
with Timeout(self.http_timeout):
resp = http_connect(
node['replication_ip'], node['replication_port'],
node['device'], job['partition'], 'REPLICATE',
'', headers=self.headers).getresponse()
if resp.status == HTTP_INSUFFICIENT_STORAGE:
self.logger.error(_('%(ip)s/%(device)s responded'
' as unmounted'), node)
attempts_left += 1
continue
if resp.status != HTTP_OK:
self.logger.error(_("Invalid response %(resp)s "
"from %(ip)s"),
{'resp': resp.status,
'ip': node['replication_ip']})
continue
remote_hash = pickle.loads(resp.read())
del resp
'''
##
suffixes = [suffix for suffix in local_hash if
local_hash[suffix] !=
remote_hash.get(suffix, -1)]
if not suffixes:
#MODIFIED LightSync
break
##
hashed, recalc_hash = tpool_reraise(
get_hashes,
job['path'], recalculate=suffixes,
reclaim_age=self.reclaim_age)
self.logger.update_stats('suffix.hashes', hashed)
local_hash = recalc_hash
suffixes = [suffix for suffix in local_hash if
local_hash[suffix] !=
remote_hash.get(suffix, -1)]
self.sync(node, job, suffixes)
with Timeout(self.http_timeout):
conn = http_connect(
node['replication_ip'], node['replication_port'],
node['device'], job['partition'], 'REPLICATE',
'/' + '-'.join(suffixes),
headers=self.headers)
conn.getresponse().read()
self.suffix_sync += len(suffixes)
self.logger.update_stats('suffix.syncs', len(suffixes))
#MODIFIED LightSync
break
##
except (Exception, Timeout):
self.logger.exception(_("Error syncing with node: %s") %
node)
#MODIFIED LightSync (after if)
self.suffix_count += len(local_hash) if local_hash is not None else 0
##
except (Exception, Timeout):
self.logger.exception(_("Error syncing partition"))
finally:
self.partition_times.append(time.time() - begin)
self.logger.timing_since('partition.update.timing', begin)
def stats_line(self):
"""
Logs various stats for the currently running replication pass.
"""
if self.replication_count:
elapsed = (time.time() - self.start) or 0.000001
rate = self.replication_count / elapsed
self.logger.info(
_("%(replicated)d/%(total)d (%(percentage).2f%%)"
" partitions replicated in %(time).2fs (%(rate).2f/sec, "
"%(remaining)s remaining)"),
{'replicated': self.replication_count, 'total': self.job_count,
'percentage': self.replication_count * 100.0 / self.job_count,
'time': time.time() - self.start, 'rate': rate,
'remaining': '%d%s' % compute_eta(self.start,
self.replication_count,
self.job_count)})
if self.suffix_count:
self.logger.info(
_("%(checked)d suffixes checked - "
"%(hashed).2f%% hashed, %(synced).2f%% synced"),
{'checked': self.suffix_count,
'hashed': (self.suffix_hash * 100.0) / self.suffix_count,
'synced': (self.suffix_sync * 100.0) / self.suffix_count})
self.partition_times.sort()
self.logger.info(
_("Partition times: max %(max).4fs, "
"min %(min).4fs, med %(med).4fs"),
{'max': self.partition_times[-1],
'min': self.partition_times[0],
'med': self.partition_times[
len(self.partition_times) // 2]})
else:
self.logger.info(
_("Nothing replicated for %s seconds."),
(time.time() - self.start))
def kill_coros(self):
"""Utility function that kills all coroutines currently running."""
for coro in list(self.run_pool.coroutines_running):
try:
coro.kill(GreenletExit)
except GreenletExit:
pass
def heartbeat(self):
"""
Loop that runs in the background during replication. It periodically
logs progress.
"""
while True:
eventlet.sleep(self.stats_interval)
self.stats_line()
def detect_lockups(self):
"""
In testing, the pool.waitall() call very occasionally failed to return.
This is an attempt to make sure the replicator finishes its replication
pass in some eventuality.
"""
while True:
eventlet.sleep(self.lockup_timeout)
if self.replication_count == self.last_replication_count:
self.logger.error(_("Lockup detected.. killing live coros."))
self.kill_coros()
self.last_replication_count = self.replication_count
def collect_jobs(self):
"""
Returns a sorted list of jobs (dictionaries) that specify the
partitions, nodes, etc to be synced.
"""
jobs = []
ips = whataremyips()
for local_dev in [dev for dev in self.object_ring.devs
if dev and dev['replication_ip'] in ips and
dev['replication_port'] == self.port]:
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, 'objects')
tmp_path = join(dev_path, 'tmp')
if self.mount_check and not ismount(dev_path):
self.logger.warn(_('%s is not mounted'), local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
try:
mkdirs(obj_path)
except Exception:
self.logger.exception('ERROR creating %s' % obj_path)
continue
for partition in os.listdir(obj_path):
try:
job_path = join(obj_path, partition)
if isfile(job_path):
# Clean up any (probably zero-byte) files where a
# partition should be.
self.logger.warning('Removing partition directory '
'which was a file: %s', job_path)
os.remove(job_path)
continue
part_nodes = \
self.object_ring.get_part_nodes(int(partition))
#MODIFIED LightSync
for mypos in range(len(part_nodes)):
if part_nodes[mypos]['id'] == local_dev['id']:
break
nodes = part_nodes[mypos+1:]+part_nodes[:mypos]
##
jobs.append(
dict(path=job_path,
device=local_dev['device'],
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
partition=partition))
except (ValueError, OSError):
continue
random.shuffle(jobs)
if self.handoffs_first:
# Move the handoff parts to the front of the list
jobs.sort(key=lambda job: not job['delete'])
self.job_count = len(jobs)
return jobs
def replicate(self, override_devices=None, override_partitions=None):
"""Run a replication pass"""
self.start = time.time()
self.suffix_count = 0
self.suffix_sync = 0
self.suffix_hash = 0
self.replication_count = 0
self.last_replication_count = -1
self.partition_times = []
if override_devices is None:
override_devices = []
if override_partitions is None:
override_partitions = []
stats = eventlet.spawn(self.heartbeat)
lockup_detector = eventlet.spawn(self.detect_lockups)
eventlet.sleep() # Give spawns a cycle
try:
self.run_pool = GreenPool(size=self.concurrency)
jobs = self.collect_jobs()
for job in jobs:
if override_devices and job['device'] not in override_devices:
continue
if override_partitions and \
job['partition'] not in override_partitions:
continue
dev_path = join(self.devices_dir, job['device'])
if self.mount_check and not ismount(dev_path):
self.logger.warn(_('%s is not mounted'), job['device'])
continue
if not self.check_ring():
self.logger.info(_("Ring change detected. Aborting "
"current replication pass."))
return
if job['delete']:
self.run_pool.spawn(self.update_deleted, job)
else:
self.run_pool.spawn(self.update, job)
with Timeout(self.lockup_timeout):
self.run_pool.waitall()
except (Exception, Timeout):
self.logger.exception(_("Exception in top-level replication loop"))
self.kill_coros()
finally:
stats.kill()
lockup_detector.kill()
self.stats_line()
def run_once(self, *args, **kwargs):
start = time.time()
self.logger.info(_("Running object replicator in script mode."))
override_devices = list_from_csv(kwargs.get('devices'))
override_partitions = list_from_csv(kwargs.get('partitions'))
self.replicate(
override_devices=override_devices,
override_partitions=override_partitions)
total = (time.time() - start) / 60
self.logger.info(
_("Object replication complete (once). (%.02f minutes)"), total)
if not (override_partitions or override_devices):
dump_recon_cache({'object_replication_time': total,
'object_replication_last': time.time()},
self.rcache, self.logger)
def run_forever(self, *args, **kwargs):
self.logger.info(_("Starting object replicator in daemon mode."))
# Run the replicator continually
while True:
start = time.time()
self.logger.info(_("Starting object replication pass."))
# Run the replicator
self.replicate()
total = (time.time() - start) / 60
self.logger.info(
_("Object replication complete. (%.02f minutes)"), total)
dump_recon_cache({'object_replication_time': total,
'object_replication_last': time.time()},
self.rcache, self.logger)
self.logger.debug('Replication sleeping for %s seconds.',
self.run_pause)
sleep(self.run_pause)
import botocore.exceptions
import hashlib
import json
import os
from s3_sync.utils import ACCOUNT_ACL_KEY
import subprocess
from swift.common.middleware.acl import format_acl
from swift.common.ring import Ring
import swiftclient
import time
import unittest
import urllib
import utils
CONTAINER_RING = Ring('/etc/swift', ring_name='container')
class WaitTimedOut(RuntimeError):
pass
def wait_for_condition(timeout, checker):
start = time.time()
while time.time() < start + timeout:
ret = checker()
if ret:
return ret
time.sleep(0.1)
raise WaitTimedOut('Timeout (%s) expired' % timeout)
#!/usr/bin/python
from sys import exit
from smtplib import SMTP
from socket import gethostname
from swift.common.constraints import check_mount
from swift.common.utils import whataremyips
from swift.common.ring import Ring
try:
ring = Ring('/etc/swift/object.ring.gz')
except IOError:
exit()
my_ips = whataremyips()
mounted = 0
drivecount = 0
drivelabels = []
for dev in ring.devs:
try:
if dev['ip'] in my_ips and float(dev['weight']) > 0:
drivecount += 1
if check_mount('/srv/node', dev['device']):
mounted += 1
else:
drivelabels.append(dev['device'])
except TypeError:
pass
unmounted = drivecount - mounted
def test_account_container_reload(self):
for server in ("account", "container"):
ring = Ring("/etc/swift", ring_name=server)
node = random.choice(ring.get_part_nodes(1))
self._check_reload(server, node["ip"], node["port"])
class ContainerCrawler(object):
def __init__(self, conf, handler_class, logger=None):
self.logger = logger
self.conf = conf
self.root = conf['devices']
self.bulk = conf.get('bulk_process', False)
self.interval = 10
self.swift_dir = '/etc/swift'
self.container_ring = Ring(self.swift_dir, ring_name='container')
self.status_dir = conf['status_dir']
self.myips = whataremyips('0.0.0.0')
self.items_chunk = conf['items_chunk']
self.poll_interval = conf.get('poll_interval', 5)
self.handler_class = handler_class
if not self.bulk:
self._init_workers(conf)
self.log('debug', 'Created the Container Crawler instance')
def _init_workers(self, conf):
self.workers = conf.get('workers', 10)
self.pool = eventlet.GreenPool(self.workers)
self.work_queue = eventlet.queue.Queue(self.workers * 2)
# max_size=None means a Queue is infinite
self.error_queue = eventlet.queue.Queue(maxsize=None)
self.stats_queue = eventlet.queue.Queue(maxsize=None)
for _ in range(0, self.workers):
self.pool.spawn_n(self._worker)
def _worker(self):
while 1:
work = self.work_queue.get()
if not work:
self.work_queue.task_done()
break
row, handler = work
try:
handler.handle(row)
except Exception as e:
self.error_queue.put((row, e))
self.work_queue.task_done()
def _stop(self):
for _ in range(0, self.workers):
self.work_queue.put(None)
self.pool.waitall()
def _check_errors(self):
if self.error_queue.empty():
return
while not self.error_queue.empty():
row, error = self.error_queue.get()
self.log('error',
'Failed to handle row %s: %r' % (row['ROWID'], error))
raise RuntimeError('Failed to process rows')
def log(self, level, message):
if not self.logger:
return
getattr(self.logger, level)(message)
def get_broker(self, account, container, part, node):
db_hash = hash_path(account, container)
db_dir = storage_directory(DATADIR, part, db_hash)
db_path = os.path.join(self.root, node['device'], db_dir,
db_hash + '.db')
return ContainerBroker(db_path, account=account, container=container)
def submit_items(self, handler, rows):
if self.bulk:
handler.handle(rows)
return
for row in rows:
self.work_queue.put((row, handler))
self.work_queue.join()
self._check_errors()
def process_items(self, handler, rows, nodes_count, node_id):
owned_rows = filter(lambda row: row['ROWID'] % nodes_count == node_id,
rows)
self.submit_items(handler, owned_rows)
verified_rows = filter(
lambda row: row['ROWID'] % nodes_count != node_id, rows)
self.submit_items(handler, verified_rows)
def handle_container(self, settings):
part, container_nodes = self.container_ring.get_nodes(
settings['account'], settings['container'])
nodes_count = len(container_nodes)
handler = self.handler_class(self.status_dir, settings)
for index, node in enumerate(container_nodes):
if not is_local_device(self.myips, None, node['ip'], node['port']):
continue
broker = self.get_broker(settings['account'],
settings['container'], part, node)
broker_info = broker.get_info()
last_row = handler.get_last_row(broker_info['id'])
if not last_row:
last_row = 0
try:
items = broker.get_items_since(last_row, self.items_chunk)
except DatabaseConnectionError:
continue
if items:
self.process_items(handler, items, nodes_count, index)
handler.save_last_row(items[-1]['ROWID'], broker_info['id'])
return
def run_always(self):
# Since we don't support reloading, the daemon should quit if there are
# no containers configured
if 'containers' not in self.conf or not self.conf['containers']:
return
self.log('debug', 'Entering the poll loop')
while True:
start = time.time()
self.run_once()
elapsed = time.time() - start
if elapsed < self.poll_interval:
time.sleep(self.poll_interval - elapsed)
def run_once(self):
for container_settings in self.conf['containers']:
try:
self.handle_container(container_settings)
except Exception as e:
account = container_settings.get('account', 'N/A')
container = container_settings.get('container', 'N/A')
self.log(
'error', "Failed to process %s/%s with %s: %s" %
(account, container, self.handler_class, repr(e)))
self.log('error', traceback.format_exc(e))
def get_container_ring(self):
"""Get the container ring. Load it, if it hasn't been yet."""
if not self.container_ring:
self.container_ring = Ring(self.swift_dir, ring_name='container')
return self.container_ring
def print_obj(datafile, check_etag=True, swift_dir='/etc/swift',
policy_name='', drop_prefixes=False):
"""
Display information about an object read from the datafile.
Optionally verify the datafile content matches the ETag metadata.
:param datafile: path on disk to object file
:param check_etag: boolean, will read datafile content and verify
computed checksum matches value stored in
metadata.
:param swift_dir: the path on disk to rings
:param policy_name: optionally the name to use when finding the ring
:param drop_prefixes: if True, strip "X-Object-Meta-", "X-Object-Sysmeta-",
and "X-Object-Transient-Sysmeta-" when displaying
User Metadata, System Metadata, and Transient
System Metadata entries
"""
if not os.path.exists(datafile):
print("Data file doesn't exist")
raise InfoSystemExit()
if not datafile.startswith(('/', './')):
datafile = './' + datafile
policy_index = None
ring = None
datadir = DATADIR_BASE
# try to extract policy index from datafile disk path
fullpath = os.path.abspath(datafile)
policy_index = int(extract_policy(fullpath) or POLICIES.legacy)
try:
if policy_index:
datadir += '-' + str(policy_index)
ring = Ring(swift_dir, ring_name='object-' + str(policy_index))
elif policy_index == 0:
ring = Ring(swift_dir, ring_name='object')
except IOError:
# no such ring
pass
if policy_name:
policy = POLICIES.get_by_name(policy_name)
if policy:
policy_index_for_name = policy.idx
if (policy_index is not None and
policy_index_for_name is not None and
policy_index != policy_index_for_name):
print('Warning: Ring does not match policy!')
print('Double check your policy name!')
if not ring and policy_index_for_name:
ring = POLICIES.get_object_ring(policy_index_for_name,
swift_dir)
datadir = get_data_dir(policy_index_for_name)
with open(datafile, 'rb') as fp:
try:
metadata = read_metadata(fp)
except EOFError:
print("Invalid metadata")
raise InfoSystemExit()
etag = metadata.pop('ETag', '')
length = metadata.pop('Content-Length', '')
path = metadata.get('name', '')
print_obj_metadata(metadata, drop_prefixes)
# Optional integrity check; it's useful, but slow.
file_len = None
if check_etag:
h = md5()
file_len = 0
while True:
data = fp.read(64 * 1024)
if not data:
break
h.update(data)
file_len += len(data)
h = h.hexdigest()
if etag:
if h == etag:
print('ETag: %s (valid)' % etag)
else:
print("ETag: %s doesn't match file hash of %s!" %
(etag, h))
else:
print('ETag: Not found in metadata')
else:
print('ETag: %s (not checked)' % etag)
file_len = os.fstat(fp.fileno()).st_size
if length:
if file_len == int(length):
print('Content-Length: %s (valid)' % length)
else:
print("Content-Length: %s doesn't match file length of %s"
% (length, file_len))
else:
print('Content-Length: Not found in metadata')
account, container, obj = path.split('/', 3)[1:]
if ring:
print_ring_locations(ring, datadir, account, container, obj,
policy_index=policy_index)
def setUp(self):
resetswift()
self.ip_ports = [
(dev['ip'], dev['port'])
for dev in Ring('/etc/swift', ring_name='account').devs if dev
]
def test_account_container_reload(self):
for server in ('account', 'container'):
ring = Ring('/etc/swift', ring_name=server)
node = random.choice(ring.get_part_nodes(1))
self._check_reload(server, node['ip'], node['port'])
def __init__(self, conf, memcache=None, logger=None, account_ring=None,
container_ring=None):
if conf is None:
conf = {}
if logger is None:
self.logger = get_logger(conf, log_route='proxy-server')
else:
self.logger = logger
self._override_options = self._load_per_policy_config(conf)
self.sorts_by_timing = any(pc.sorting_method == 'timing'
for pc in self._override_options.values())
self._error_limiting = {}
swift_dir = conf.get('swift_dir', '/etc/swift')
self.swift_dir = swift_dir
self.node_timeout = float(conf.get('node_timeout', 10))
self.recoverable_node_timeout = float(
conf.get('recoverable_node_timeout', self.node_timeout))
self.conn_timeout = float(conf.get('conn_timeout', 0.5))
self.client_timeout = int(conf.get('client_timeout', 60))
self.put_queue_depth = int(conf.get('put_queue_depth', 10))
self.object_chunk_size = int(conf.get('object_chunk_size', 65536))
self.client_chunk_size = int(conf.get('client_chunk_size', 65536))
self.trans_id_suffix = conf.get('trans_id_suffix', '')
self.post_quorum_timeout = float(conf.get('post_quorum_timeout', 0.5))
self.error_suppression_interval = \
int(conf.get('error_suppression_interval', 60))
self.error_suppression_limit = \
int(conf.get('error_suppression_limit', 10))
self.recheck_container_existence = \
int(conf.get('recheck_container_existence',
DEFAULT_RECHECK_CONTAINER_EXISTENCE))
self.recheck_account_existence = \
int(conf.get('recheck_account_existence',
DEFAULT_RECHECK_ACCOUNT_EXISTENCE))
self.allow_account_management = \
config_true_value(conf.get('allow_account_management', 'no'))
self.container_ring = container_ring or Ring(swift_dir,
ring_name='container')
self.account_ring = account_ring or Ring(swift_dir,
ring_name='account')
# ensure rings are loaded for all configured storage policies
for policy in POLICIES:
policy.load_ring(swift_dir)
self.obj_controller_router = ObjectControllerRouter()
self.memcache = memcache
mimetypes.init(mimetypes.knownfiles +
[os.path.join(swift_dir, 'mime.types')])
self.account_autocreate = \
config_true_value(conf.get('account_autocreate', 'no'))
self.auto_create_account_prefix = (
conf.get('auto_create_account_prefix') or '.')
self.expiring_objects_account = self.auto_create_account_prefix + \
(conf.get('expiring_objects_account_name') or 'expiring_objects')
self.expiring_objects_container_divisor = \
int(conf.get('expiring_objects_container_divisor') or 86400)
self.max_containers_per_account = \
int(conf.get('max_containers_per_account') or 0)
self.max_containers_whitelist = [
a.strip()
for a in conf.get('max_containers_whitelist', '').split(',')
if a.strip()]
self.deny_host_headers = [
host.strip() for host in
conf.get('deny_host_headers', '').split(',') if host.strip()]
self.log_handoffs = config_true_value(conf.get('log_handoffs', 'true'))
self.cors_allow_origin = [
a.strip()
for a in conf.get('cors_allow_origin', '').split(',')
if a.strip()]
self.cors_expose_headers = [
a.strip()
for a in conf.get('cors_expose_headers', '').split(',')
if a.strip()]
self.strict_cors_mode = config_true_value(
conf.get('strict_cors_mode', 't'))
self.node_timings = {}
self.timing_expiry = int(conf.get('timing_expiry', 300))
self.concurrent_gets = \
config_true_value(conf.get('concurrent_gets'))
self.concurrency_timeout = float(conf.get('concurrency_timeout',
self.conn_timeout))
value = conf.get('request_node_count', '2 * replicas').lower().split()
if len(value) == 1:
rnc_value = int(value[0])
self.request_node_count = lambda replicas: rnc_value
elif len(value) == 3 and value[1] == '*' and value[2] == 'replicas':
rnc_value = int(value[0])
self.request_node_count = lambda replicas: rnc_value * replicas
else:
raise ValueError(
'Invalid request_node_count value: %r' % ''.join(value))
# swift_owner_headers are stripped by the account and container
# controllers; we should extend header stripping to object controller
# when a privileged object header is implemented.
swift_owner_headers = conf.get(
'swift_owner_headers',
'x-container-read, x-container-write, '
'x-container-sync-key, x-container-sync-to, '
'x-account-meta-temp-url-key, x-account-meta-temp-url-key-2, '
'x-container-meta-temp-url-key, x-container-meta-temp-url-key-2, '
'x-account-access-control')
self.swift_owner_headers = [
name.strip().title()
for name in swift_owner_headers.split(',') if name.strip()]
# Initialization was successful, so now apply the client chunk size
# parameter as the default read / write buffer size for the network
# sockets.
#
# NOTE WELL: This is a class setting, so until we get set this on a
# per-connection basis, this affects reading and writing on ALL
# sockets, those between the proxy servers and external clients, and
# those between the proxy servers and the other internal servers.
#
# ** Because it affects the client as well, currently, we use the
# client chunk size as the govenor and not the object chunk size.
socket._fileobject.default_bufsize = self.client_chunk_size
self.expose_info = config_true_value(
conf.get('expose_info', 'yes'))
self.disallowed_sections = list_from_csv(
conf.get('disallowed_sections', 'swift.valid_api_versions'))
self.admin_key = conf.get('admin_key', None)
register_swift_info(
version=swift_version,
strict_cors_mode=self.strict_cors_mode,
policies=POLICIES.get_policy_info(),
allow_account_management=self.allow_account_management,
account_autocreate=self.account_autocreate,
**constraints.EFFECTIVE_CONSTRAINTS)
class UtilizationMiddleware(object):
def __init__(self, app, conf, *args, **kwargs):
self.app = app
self.conf = conf
self.sample_account = '.transfer_record'
self.aggregate_account = '.utilization'
self.logger = get_logger(self.conf, log_route='utilization')
self.container_ring = Ring('/etc/swift', ring_name='container')
self.sample_rate = int(self.conf.get('sample_rate', 600))
def swift_account(self, env, tenant_id):
path = '/v1/%s/%s?format=json&prefix=account/' \
% (self.aggregate_account, tenant_id)
req = make_pre_authed_request(env, 'GET', path)
req.environ['swift.proxy_access_log_made'] = True
resp = req.get_response(self.app)
if resp.status_int == 404:
return None
return json.loads(resp.body)[0]['name'].split('/')[1]
def check_api_call(self, env):
path = env.get('RAW_PATH_INFO', None)
if env['REQUEST_METHOD'] == 'GET' and path == '/api/v1/metering':
return True
return False
def get_account_info(self, env, account):
path = '/v1/%s' % account
req = make_pre_authed_request(env, 'HEAD', path)
req.environ['swift.proxy_access_log_made'] = True
resp = req.get_response(self.app)
if not resp.status_int // 100 == 2:
return (0, 0, 0)
return (int(resp.headers.get('x-account-container-count', 0)),
int(resp.headers.get('x-account-object-count', 0)),
int(resp.headers.get('x-account-bytes-used', 0)))
def record_usage_data(self, env, tenant_id, account, timestamp):
path = '/v1/%s/%s?prefix=usage/%d&format=json' % (
self.aggregate_account, tenant_id, timestamp)
req = make_pre_authed_request(env, 'GET', path)
req.environ['swift.proxy_access_log_made'] = True
resp = req.get_response(self.app)
if resp.status_int == 404:
return
body = json.loads(resp.body)
if len(body) != 0:
return
container_cnt, obj_cnt, bt_used = self.get_account_info(env, account)
u_object = 'usage/%d/%d_%d_%d' % (timestamp, container_cnt,
obj_cnt, bt_used)
self.put_hidden_object(self.aggregate_account, tenant_id, u_object)
def iter_objects(self, env, path, prefix, marker, end, count):
path_with_params = '%s?format=json&prefix=%s' % (path, prefix)
seg = ''
force_break = False
while count > 0:
l = 1000 if count > 1000 else count
count -= 1000
rpath = path_with_params + ('&marker=%s' % marker) + (
'&limit=%d' % l)
req = make_pre_authed_request(env, 'GET', rpath)
req.environ['swift.proxy_access_log_made'] = True
resp = req.get_response(self.app)
segments = json.loads(resp.body)
for seg in segments:
name = seg['name']
record_ts = int(name.split('/')[1])
if record_ts > end:
force_break = True
break
yield name
if force_break:
break
if len(segments) != l:
break
if segments:
marker = seg['name']
else:
break
def retrieve_utilization_data(self, env, tenant_id, start, end, count):
path = '/v1/%s/%s' % (self.aggregate_account, tenant_id)
data = dict()
data['transfer'] = {}
data['utilization'] = {}
marker = 'transfer/%d' % start
data['transfer'] = list()
data['utilization']['container_count'] = 0
data['utilization']['object_count'] = 0
data['utilization']['bytes_used'] = 0
bytes_recvs = dict()
bytes_sents = dict()
req_counts = dict()
for o in self.iter_objects(env, path, 'transfer/', marker, end, count):
bill_type = o.split('/')[2]
bytes_recv, bytes_sent, req_cnt = o.split('/')[3].split('_')
bytes_recvs[bill_type] = bytes_recvs.get(bill_type, 0) + int(
bytes_recv)
bytes_sents[bill_type] = bytes_sents.get(bill_type, 0) + int(
bytes_sent)
req_counts[bill_type] = req_counts.get(bill_type, 0) + int(req_cnt)
for bill_type, bt_rv in bytes_recvs.items():
d = dict()
d['bill_type'] = int(bill_type)
d['bytes_in'] = bt_rv
d['bytes_out'] = bytes_sents[bill_type]
d['req_count'] = req_counts[bill_type]
data['transfer'].append(d)
last = None
marker = 'usage/%d' % start
for o in self.iter_objects(env, path, 'usage/', marker, end, count):
last = o
if last:
container_cnt, obj_cnt, bytes_used = last.split('/')[2].split('_')
data['utilization']['container_count'] = container_cnt
data['utilization']['object_count'] = obj_cnt
data['utilization']['bytes_used'] = bytes_used
return data
def GET(self, req):
start = req.params.get('start')
tenant_id = req.params.get('tenantid')
identity = req.environ.get('HTTP_X_IDENTITY_STATUS')
roles = req.environ.get('keystone.identity', None)
if identity == 'Invalid' or not roles or 'admin' not in roles['roles']:
return Response(request=req, status="403 Forbidden",
body="Access Denied",
content_type="text/plain")
if not tenant_id:
return Response(request=req, status="400 Bad Request",
body="tenant_id parameter doesn't exist",
content_type="text/plain")
if not start:
return Response(request=req, status="400 Bad Request",
body="start parameter doesn't exist",
content_type="text/plain")
end = req.params.get('end')
if end is None:
end = datetime.utcfromtimestamp(int(time.time())).isoformat()
# check if tenant_id's users utilization was recorded.
account = self.swift_account(req.environ.copy(), tenant_id)
if not account:
return Response(status="400 Bad Request",
content_type="text/plain",
body="This tenant_id never used.")
try:
# start time is "rounded down"
start_ts = iso8601_to_timestamp(start)
# end time is "rounded up"
end_ts = iso8601_to_timestamp(end)
except ValueError:
return Response(status="400 Bad Request",
content_type="text/plain",
body="start or end time is incorrect format."
"please check start or end parameter")
if start_ts > end_ts:
return Response(status="400 Bad Request",
content_type="text/plain",
body="start time must be before the end time")
end_ts = (end_ts // 3600 + 1) * 3600
start_ts = (start_ts // 3600) * 3600
objsize = (end_ts - start_ts) / self.sample_rate
content = self.retrieve_utilization_data(req.environ.copy(), tenant_id,
start_ts, end_ts, objsize)
content['period_start'] = timestamp_to_iso8601(start_ts)
content['period_end'] = timestamp_to_iso8601(end_ts)
content['tenant_id'] = tenant_id
content['swift_account'] = account
return Response(request=req, body=json.dumps(content),
content_type="application/json")
def __call__(self, env, start_response):
self.logger.debug('Calling Utilization Middleware')
req = Request(env)
if self.check_api_call(env):
return self.GET(req)(env, start_response)
try:
version, account, container, obj = req.split_path(2, 4, True)
except ValueError:
return self.app(env, start_response)
remote_user = env.get('REMOTE_USER')
if not remote_user or (isinstance(remote_user, basestring) and
remote_user.startswith('.wsgi')):
self.logger.debug('### SKIP: REMOTE_USER is %s' % remote_user)
return self.app(env, start_response)
start_response_args = [None]
input_proxy = InputProxy(env['wsgi.input'])
env['wsgi.input'] = input_proxy
def my_start_response(status, headers, exc_info=None):
start_response_args[0] = (status, list(headers), exc_info)
def iter_response(iterable):
iterator = iter(iterable)
try:
chunk = next(iterator)
while not chunk:
chunk = next(iterator)
except StopIteration:
chunk = ''
if start_response_args[0]:
start_response(*start_response_args[0])
bytes_sent = 0
try:
while chunk:
bytes_sent += len(chunk)
yield chunk
chunk = next(iterator)
finally:
try:
self.publish_sample(env, account,
input_proxy.bytes_received,
bytes_sent)
except Exception:
self.logger.exception('Failed to publish samples')
try:
iterable = self.app(env, my_start_response)
except Exception:
self.publish_sample(env, account, input_proxy.bytes_received, 0)
raise
else:
return iter_response(iterable)
def publish_sample(self, env, account, bytes_received, bytes_sent):
timestamp = normalize_timestamp(time.time())
sample_time = (float(
timestamp) // self.sample_rate + 1) * self.sample_rate
trans_id = env.get('swift.trans_id')
tenant_id = env.get('HTTP_X_TENANT_ID')
remote_addr = env.get('REMOTE_ADDR')
# check if account information object is existed.
if not self.swift_account(env, tenant_id):
obj = 'account/%s' % account
self.put_hidden_object(self.aggregate_account, tenant_id, obj)
# recording account's storage usage data
self.record_usage_data(env, tenant_id, account, sample_time)
container = '%s_%s_%s' % (sample_time, tenant_id, account)
obj = '%s/%d/%d/%s/%s' % (timestamp, bytes_received, bytes_sent,
trans_id, remote_addr)
self.put_hidden_object(self.sample_account, container, obj)
def put_hidden_object(self, account, container, obj):
hidden_path = '/%s/%s/%s' % (account, container, obj)
self.logger.debug('put sample_path: %s' % hidden_path)
part, nodes = self.container_ring.get_nodes(self.sample_account,
container)
for node in nodes:
ip = node['ip']
port = node['port']
dev = node['device']
action_headers = dict()
action_headers['user-agent'] = 'utilization'
action_headers['X-Timestamp'] = normalize_timestamp(time.time())
action_headers['referer'] = 'utilization-middleware'
action_headers['x-size'] = '0'
action_headers['x-content-type'] = "text/plain"
action_headers['x-etag'] = 'd41d8cd98f00b204e9800998ecf8427e'
conn = http_connect(ip, port, dev, part, 'PUT', hidden_path,
action_headers)
response = conn.getresponse()
response.read()
def get_container_ring(self):
"""The container :class:`swift.common.ring.Ring` for the cluster."""
if not self.container_ring:
self.container_ring = Ring(self.swift_dir, ring_name='container')
return self.container_ring
def get_ring(ring_name, required_replicas, required_devices,
server=None, force_validate=None, ipport2server=None,
config_paths=None):
if not server:
server = ring_name
ring = Ring('/etc/swift', ring_name=ring_name)
if ipport2server is None:
ipport2server = {} # used internally, even if not passed in
if config_paths is None:
config_paths = defaultdict(dict)
store_config_paths(server, config_paths)
repl_name = '%s-replicator' % server
repl_configs = {i: readconf(c, section_name=repl_name)
for i, c in config_paths[repl_name].items()}
servers_per_port = any(int(c.get('servers_per_port', '0'))
for c in repl_configs.values())
add_ring_devs_to_ipport2server(ring, server, ipport2server,
servers_per_port=servers_per_port)
if not VALIDATE_RSYNC and not force_validate:
return ring
# easy sanity checks
if ring.replica_count != required_replicas:
raise SkipTest('%s has %s replicas instead of %s' % (
ring.serialized_path, ring.replica_count, required_replicas))
devs = [dev for dev in ring.devs if dev is not None]
if len(devs) != required_devices:
raise SkipTest('%s has %s devices instead of %s' % (
ring.serialized_path, len(devs), required_devices))
for dev in devs:
# verify server is exposing mounted device
ipport = (dev['ip'], dev['port'])
_, server_number = get_server_number(ipport, ipport2server)
conf = repl_configs[server_number]
for device in os.listdir(conf['devices']):
if device == dev['device']:
dev_path = os.path.join(conf['devices'], device)
full_path = os.path.realpath(dev_path)
if not os.path.exists(full_path):
raise SkipTest(
'device %s in %s was not found (%s)' %
(device, conf['devices'], full_path))
break
else:
raise SkipTest(
"unable to find ring device %s under %s's devices (%s)" % (
dev['device'], server, conf['devices']))
# verify server is exposing rsync device
rsync_export = conf.get('rsync_module', '').rstrip('/')
if not rsync_export:
rsync_export = '{replication_ip}::%s' % server
if config_true_value(conf.get('vm_test_mode', 'no')):
rsync_export += '{replication_port}'
cmd = "rsync %s" % rsync_module_interpolation(rsync_export, dev)
p = Popen(cmd, shell=True, stdout=PIPE)
stdout, _stderr = p.communicate()
if p.returncode:
raise SkipTest('unable to connect to rsync '
'export %s (%s)' % (rsync_export, cmd))
for line in stdout.splitlines():
if line.rsplit(None, 1)[-1] == dev['device']:
break
else:
raise SkipTest("unable to find ring device %s under rsync's "
"exported devices for %s (%s)" %
(dev['device'], rsync_export, cmd))
return ring
def __init__(self, conf, container_ring=None, logger=None):
#: The dict of configuration values from the [container-sync] section
#: of the container-server.conf.
self.conf = conf
#: Logger to use for container-sync log lines.
self.logger = logger or get_logger(conf, log_route='container-sync')
#: Path to the local device mount points.
self.devices = conf.get('devices', '/srv/node')
#: Indicates whether mount points should be verified as actual mount
#: points (normally true, false for tests and SAIO).
self.mount_check = config_true_value(conf.get('mount_check', 'true'))
#: Minimum time between full scans. This is to keep the daemon from
#: running wild on near empty systems.
self.interval = int(conf.get('interval', 300))
#: Maximum amount of time to spend syncing a container before moving on
#: to the next one. If a conatiner sync hasn't finished in this time,
#: it'll just be resumed next scan.
self.container_time = int(conf.get('container_time', 60))
#: ContainerSyncCluster instance for validating sync-to values.
self.realms_conf = ContainerSyncRealms(
os.path.join(conf.get('swift_dir', '/etc/swift'),
'container-sync-realms.conf'), self.logger)
#: The list of hosts we're allowed to send syncs to. This can be
#: overridden by data in self.realms_conf
self.allowed_sync_hosts = [
h.strip()
for h in conf.get('allowed_sync_hosts', '127.0.0.1').split(',')
if h.strip()
]
self.http_proxies = [
a.strip() for a in conf.get('sync_proxy', '').split(',')
if a.strip()
]
#: ContainerSyncStore instance for iterating over synced containers
self.sync_store = ContainerSyncStore(self.devices, self.logger,
self.mount_check)
#: Number of containers with sync turned on that were successfully
#: synced.
self.container_syncs = 0
#: Number of successful DELETEs triggered.
self.container_deletes = 0
#: Number of successful PUTs triggered.
self.container_puts = 0
#: Number of containers whose sync has been turned off, but
#: are not yet cleared from the sync store.
self.container_skips = 0
#: Number of containers that had a failure of some type.
self.container_failures = 0
#: Time of last stats report.
self.reported = time()
self.swift_dir = conf.get('swift_dir', '/etc/swift')
#: swift.common.ring.Ring for locating containers.
self.container_ring = container_ring or Ring(self.swift_dir,
ring_name='container')
bind_ip = conf.get('bind_ip', '0.0.0.0')
self._myips = whataremyips(bind_ip)
self._myport = int(conf.get('bind_port', 6001))
swift.common.db.DB_PREALLOCATION = \
config_true_value(conf.get('db_preallocation', 'f'))
self.conn_timeout = float(conf.get('conn_timeout', 5))
request_tries = int(conf.get('request_tries') or 3)
internal_client_conf_path = conf.get('internal_client_conf_path')
if not internal_client_conf_path:
self.logger.warning(
_('Configuration option internal_client_conf_path not '
'defined. Using default configuration, See '
'internal-client.conf-sample for options'))
internal_client_conf = ConfigString(ic_conf_body)
else:
internal_client_conf = internal_client_conf_path
try:
self.swift = InternalClient(internal_client_conf,
'Swift Container Sync', request_tries)
except IOError as err:
if err.errno != errno.ENOENT:
raise
raise SystemExit(
_('Unable to load internal client from config: %r (%s)') %
(internal_client_conf_path, err))
def __init__(self,
conf,
memcache=None,
logger=None,
account_ring=None,
container_ring=None,
object_ring=None):
if conf is None:
conf = {}
if logger is None:
self.logger = get_logger(conf, log_route='proxy-server')
else:
self.logger = logger
swift_dir = conf.get('swift_dir', '/etc/swift')
self.node_timeout = int(conf.get('node_timeout', 10))
self.conn_timeout = float(conf.get('conn_timeout', 0.5))
self.client_timeout = int(conf.get('client_timeout', 60))
self.put_queue_depth = int(conf.get('put_queue_depth', 10))
self.object_chunk_size = int(conf.get('object_chunk_size', 65536))
self.client_chunk_size = int(conf.get('client_chunk_size', 65536))
self.error_suppression_interval = \
int(conf.get('error_suppression_interval', 60))
self.error_suppression_limit = \
int(conf.get('error_suppression_limit', 10))
self.recheck_container_existence = \
int(conf.get('recheck_container_existence', 60))
self.recheck_account_existence = \
int(conf.get('recheck_account_existence', 60))
self.allow_account_management = \
config_true_value(conf.get('allow_account_management', 'no'))
self.object_post_as_copy = \
config_true_value(conf.get('object_post_as_copy', 'true'))
self.resellers_conf = ConfigParser()
self.resellers_conf.read(os.path.join(swift_dir, 'resellers.conf'))
self.object_ring = object_ring or Ring(swift_dir, ring_name='object')
self.container_ring = container_ring or Ring(swift_dir,
ring_name='container')
self.account_ring = account_ring or Ring(swift_dir,
ring_name='account')
self.memcache = memcache
mimetypes.init(mimetypes.knownfiles +
[os.path.join(swift_dir, 'mime.types')])
self.account_autocreate = \
config_true_value(conf.get('account_autocreate', 'no'))
self.expiring_objects_account = \
(conf.get('auto_create_account_prefix') or '.') + \
'expiring_objects'
self.expiring_objects_container_divisor = \
int(conf.get('expiring_objects_container_divisor') or 86400)
self.max_containers_per_account = \
int(conf.get('max_containers_per_account') or 0)
self.max_containers_whitelist = [
a.strip()
for a in conf.get('max_containers_whitelist', '').split(',')
if a.strip()
]
self.deny_host_headers = [
host.strip()
for host in conf.get('deny_host_headers', '').split(',')
if host.strip()
]
self.rate_limit_after_segment = \
int(conf.get('rate_limit_after_segment', 10))
self.rate_limit_segments_per_sec = \
int(conf.get('rate_limit_segments_per_sec', 1))
self.log_handoffs = config_true_value(conf.get('log_handoffs', 'true'))
self.cors_allow_origin = [
a.strip() for a in conf.get('cors_allow_origin', '').split(',')
if a.strip()
]
def get_account_ring(self):
"""Get the account ring. Load it if it hasn't been yet."""
if not self.account_ring:
self.account_ring = Ring(self.swift_dir, ring_name='account')
return self.account_ring
class FileMover(object):
def __init__(self, options, *_args, **_kwargs):
self.ring = Ring(options.ring)
self.path = options.path
self.options = options
def _get_acc_cont_obj(self, filename):
""" Returns account, container, object from XFS object metadata """
obj_fd = open(filename)
metadata = ''
key = 0
try:
while True:
metadata += xattr.getxattr(
obj_fd, '%s%s' % ("user.swift.metadata", (key or '')))
key += 1
except IOError:
pass
obj_fd.close()
object_name = pickle.loads(metadata).get('name')
account = object_name.split('/')[1]
container = object_name.split('/')[2]
obj = '/'.join(object_name.split('/')[3:])
return {'account': account,
'container': container,
'object': obj}
def start(self):
for root, _dirs, files in os.walk(self.path):
if "quarantined" in root:
continue
for filename in files:
fullname = os.path.join(root, filename)
if (self.options.move_object_files is True and
fullname.split('.')[-1] in ["data", "ts"]):
self._move_file(fullname, "objects")
if (self.options.move_container_dbs is True and
fullname.split('.')[-1] in ["db"] and
"containers" in fullname):
self._move_file(fullname, "containers")
if (self.options.move_account_dbs is True and
fullname.split('.')[-1] in ["db"] and
"accounts" in fullname):
self._move_file(fullname, "accounts")
def _move_file(self, filename, filetype):
if filetype == 'accounts':
broker = AccountBroker(filename)
info = broker.get_info()
elif filetype == 'containers':
broker = ContainerBroker(filename)
info = broker.get_info()
elif filetype == 'objects':
info = self._get_acc_cont_obj(filename)
else:
raise Exception
acc = info.get('account')
cont = info.get('container')
obj = info.get('object')
partition, _nodes = self.ring.get_nodes(acc, cont, obj)
# replace the old partition value with the new one
# old name like '/a/b/objects/123/c/d'
# new name like '/a/b/objects/456/c/d'
filename_parts = filename.split('/')
part_pos = filename_parts.index(filetype)
filename_parts[part_pos+1] = str(partition)
newname = '/'.join(filename_parts)
dst_dir = os.path.dirname(newname)
try:
os.makedirs(dst_dir)
logging.info("mkdir %s" % dst_dir)
except OSError as ex:
logging.info("mkdir %s failed: %s" % (dst_dir, ex))
try:
os.rename(filename, newname)
logging.info("moved %s -> %s" % (filename, newname))
except OSError as ex:
logging.warning("FAILED TO MOVE %s -> %s" % (filename, newname))
def _test_ondisk_data_after_write_with_crypto(self, policy_name):
policy = storage_policy.POLICIES.get_by_name(policy_name)
self._create_container(self.proxy_app, policy_name=policy_name)
self._put_object(self.crypto_app, self.plaintext)
self._post_object(self.crypto_app)
# Verify container listing etag is encrypted by direct GET to container
# server. We can use any server for all nodes since they all share same
# devices dir.
cont_server = self._test_context['test_servers'][3]
cont_ring = Ring(self._test_context['testdir'], ring_name='container')
part, nodes = cont_ring.get_nodes('a', self.container_name)
for node in nodes:
req = Request.blank('/%s/%s/a/%s'
% (node['device'], part, self.container_name),
method='GET', query_string='format=json')
resp = req.get_response(cont_server)
listing = json.loads(resp.body)
# sanity checks...
self.assertEqual(1, len(listing))
self.assertEqual('o', listing[0]['name'])
self.assertEqual('application/test', listing[0]['content_type'])
# verify encrypted etag value
parts = listing[0]['hash'].rsplit(';', 1)
crypto_meta_param = parts[1].strip()
crypto_meta = crypto_meta_param[len('swift_meta='):]
listing_etag_iv = load_crypto_meta(crypto_meta)['iv']
exp_enc_listing_etag = base64.b64encode(
encrypt(self.plaintext_etag,
self.km.create_key('/a/%s' % self.container_name),
listing_etag_iv))
self.assertEqual(exp_enc_listing_etag, parts[0])
# Verify diskfile data and metadata is encrypted
ring_object = self.proxy_app.get_object_ring(int(policy))
partition, nodes = ring_object.get_nodes('a', self.container_name, 'o')
conf = {'devices': self._test_context["testdir"],
'mount_check': 'false'}
df_mgr = diskfile.DiskFileRouter(conf, FakeLogger())[policy]
ondisk_data = []
exp_enc_body = None
for node_index, node in enumerate(nodes):
df = df_mgr.get_diskfile(node['device'], partition,
'a', self.container_name, 'o',
policy=policy)
with df.open():
meta = df.get_metadata()
contents = ''.join(df.reader())
metadata = dict((k.lower(), v) for k, v in meta.items())
# verify on disk data - body
body_iv = load_crypto_meta(
metadata['x-object-sysmeta-crypto-body-meta'])['iv']
body_key_meta = load_crypto_meta(
metadata['x-object-sysmeta-crypto-body-meta'])['body_key']
obj_key = self.km.create_key('/a/%s/o' % self.container_name)
body_key = Crypto().unwrap_key(obj_key, body_key_meta)
exp_enc_body = encrypt(self.plaintext, body_key, body_iv)
ondisk_data.append((node, contents))
# verify on disk user metadata
enc_val, meta = metadata[
'x-object-transient-sysmeta-crypto-meta-fruit'].split(';')
meta = meta.strip()[len('swift_meta='):]
metadata_iv = load_crypto_meta(meta)['iv']
exp_enc_meta = base64.b64encode(encrypt('Kiwi', obj_key,
metadata_iv))
self.assertEqual(exp_enc_meta, enc_val)
self.assertNotIn('x-object-meta-fruit', metadata)
self.assertIn(
'x-object-transient-sysmeta-crypto-meta', metadata)
meta = load_crypto_meta(
metadata['x-object-transient-sysmeta-crypto-meta'])
self.assertIn('key_id', meta)
self.assertIn('path', meta['key_id'])
self.assertEqual(
'/a/%s/%s' % (self.container_name, self.object_name),
meta['key_id']['path'])
self.assertIn('v', meta['key_id'])
self.assertEqual('1', meta['key_id']['v'])
self.assertIn('cipher', meta)
self.assertEqual(Crypto.cipher, meta['cipher'])
# verify etag
actual_enc_etag, _junk, actual_etag_meta = metadata[
'x-object-sysmeta-crypto-etag'].partition('; swift_meta=')
etag_iv = load_crypto_meta(actual_etag_meta)['iv']
exp_enc_etag = base64.b64encode(encrypt(self.plaintext_etag,
obj_key, etag_iv))
self.assertEqual(exp_enc_etag, actual_enc_etag)
# verify etag hmac
exp_etag_mac = hmac.new(
obj_key, self.plaintext_etag, digestmod=hashlib.sha256)
exp_etag_mac = base64.b64encode(exp_etag_mac.digest())
self.assertEqual(exp_etag_mac,
metadata['x-object-sysmeta-crypto-etag-mac'])
# verify etag override for container updates
override = 'x-object-sysmeta-container-update-override-etag'
parts = metadata[override].rsplit(';', 1)
crypto_meta_param = parts[1].strip()
crypto_meta = crypto_meta_param[len('swift_meta='):]
listing_etag_iv = load_crypto_meta(crypto_meta)['iv']
cont_key = self.km.create_key('/a/%s' % self.container_name)
exp_enc_listing_etag = base64.b64encode(
encrypt(self.plaintext_etag, cont_key,
listing_etag_iv))
self.assertEqual(exp_enc_listing_etag, parts[0])
self._check_GET_and_HEAD(self.crypto_app)
return exp_enc_body, ondisk_data
def load_ring(self, swift_dir):
if self.object_ring:
return
self.object_ring = Ring(swift_dir, ring_name=self.ring_name)
class ObjectReplicator(Daemon):
"""
Replicate objects.
Encapsulates most logic and data needed by the object replication process.
Each call to .replicate() performs one replication pass. It's up to the
caller to do this in a loop.
"""
def __init__(self, conf):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
"""
self.conf = conf
self.logger = get_logger(conf, log_route='object-replicator')
self.devices_dir = conf.get('devices', '/srv/node')
self.mount_check = conf.get('mount_check', 'true').lower() in \
('true', 't', '1', 'on', 'yes', 'y')
self.vm_test_mode = conf.get('vm_test_mode',
'no').lower() in ('yes', 'true', 'on',
'1')
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.port = int(conf.get('bind_port', 6000))
self.concurrency = int(conf.get('concurrency', 1))
self.stats_interval = int(conf.get('stats_interval', '300'))
self.object_ring = Ring(self.swift_dir, ring_name='object')
self.ring_check_interval = int(conf.get('ring_check_interval', 15))
self.next_check = time.time() + self.ring_check_interval
self.reclaim_age = int(conf.get('reclaim_age', 86400 * 7))
self.partition_times = []
self.run_pause = int(conf.get('run_pause', 30))
self.rsync_timeout = int(conf.get('rsync_timeout', 900))
self.rsync_io_timeout = conf.get('rsync_io_timeout', '30')
self.http_timeout = int(conf.get('http_timeout', 60))
self.lockup_timeout = int(conf.get('lockup_timeout', 1800))
self.recon_cache_path = conf.get('recon_cache_path',
'/var/cache/swift')
self.rcache = os.path.join(self.recon_cache_path, "object.recon")
def _rsync(self, args):
"""
Execute the rsync binary to replicate a partition.
:returns: return code of rsync process. 0 is successful
"""
start_time = time.time()
ret_val = None
try:
with Timeout(self.rsync_timeout):
proc = subprocess.Popen(args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
results = proc.stdout.read()
ret_val = proc.wait()
except Timeout:
self.logger.error(_("Killing long-running rsync: %s"), str(args))
proc.kill()
return 1 # failure response code
total_time = time.time() - start_time
for result in results.split('\n'):
if result == '':
continue
if result.startswith('cd+'):
continue
if not ret_val:
self.logger.info(result)
else:
self.logger.error(result)
if ret_val:
self.logger.error(_('Bad rsync return code: %(args)s -> %(ret)d'),
{
'args': str(args),
'ret': ret_val
})
elif results:
self.logger.info(
_("Successful rsync of %(src)s at %(dst)s (%(time).03f)"), {
'src': args[-2],
'dst': args[-1],
'time': total_time
})
else:
self.logger.debug(
_("Successful rsync of %(src)s at %(dst)s (%(time).03f)"), {
'src': args[-2],
'dst': args[-1],
'time': total_time
})
return ret_val
def rsync(self, node, job, suffixes):
"""
Synchronize local suffix directories from a partition with a remote
node.
:param node: the "dev" entry for the remote node to sync with
:param job: information about the partition being synced
:param suffixes: a list of suffixes which need to be pushed
:returns: boolean indicating success or failure
"""
if not os.path.exists(job['path']):
return False
args = [
'rsync',
'--recursive',
'--whole-file',
'--human-readable',
'--xattrs',
'--itemize-changes',
'--ignore-existing',
'--timeout=%s' % self.rsync_io_timeout,
'--contimeout=%s' % self.rsync_io_timeout,
]
node_ip = rsync_ip(node['ip'])
if self.vm_test_mode:
rsync_module = '%s::object%s' % (node_ip, node['port'])
else:
rsync_module = '%s::object' % node_ip
had_any = False
for suffix in suffixes:
spath = join(job['path'], suffix)
if os.path.exists(spath):
args.append(spath)
had_any = True
if not had_any:
return False
args.append(
join(rsync_module, node['device'], 'objects', job['partition']))
return self._rsync(args) == 0
def check_ring(self):
"""
Check to see if the ring has been updated
:returns: boolean indicating whether or not the ring has changed
"""
if time.time() > self.next_check:
self.next_check = time.time() + self.ring_check_interval
if self.object_ring.has_changed():
return False
return True
def update_deleted(self, job):
"""
High-level method that replicates a single partition that doesn't
belong on this node.
:param job: a dict containing info about the partition to be replicated
"""
def tpool_get_suffixes(path):
return [
suff for suff in os.listdir(path)
if len(suff) == 3 and isdir(join(path, suff))
]
self.replication_count += 1
self.logger.increment('partition.delete.count.%s' % (job['device'], ))
begin = time.time()
try:
responses = []
suffixes = tpool.execute(tpool_get_suffixes, job['path'])
if suffixes:
for node in job['nodes']:
success = self.rsync(node, job, suffixes)
if success:
with Timeout(self.http_timeout):
http_connect(node['ip'],
node['port'],
node['device'],
job['partition'],
'REPLICATE',
'/' + '-'.join(suffixes),
headers={
'Content-Length': '0'
}).getresponse().read()
responses.append(success)
if not suffixes or (len(responses) == \
len(job['nodes']) and all(responses)):
self.logger.info(_("Removing partition: %s"), job['path'])
tpool.execute(shutil.rmtree, job['path'], ignore_errors=True)
except (Exception, Timeout):
self.logger.exception(_("Error syncing handoff partition"))
finally:
self.partition_times.append(time.time() - begin)
self.logger.timing_since('partition.delete.timing', begin)
def update(self, job):
"""
High-level method that replicates a single partition.
:param job: a dict containing info about the partition to be replicated
"""
self.replication_count += 1
self.logger.increment('partition.update.count.%s' % (job['device'], ))
begin = time.time()
try:
hashed, local_hash = tpool.execute(
tpooled_get_hashes,
job['path'],
do_listdir=(self.replication_count % 10) == 0,
reclaim_age=self.reclaim_age)
# See tpooled_get_hashes "Hack".
if isinstance(hashed, BaseException):
raise hashed
self.suffix_hash += hashed
self.logger.update_stats('suffix.hashes', hashed)
attempts_left = len(job['nodes'])
nodes = itertools.chain(
job['nodes'],
self.object_ring.get_more_nodes(int(job['partition'])))
while attempts_left > 0:
# If this throws StopIterator it will be caught way below
node = next(nodes)
attempts_left -= 1
try:
with Timeout(self.http_timeout):
resp = http_connect(node['ip'],
node['port'],
node['device'],
job['partition'],
'REPLICATE',
'',
headers={
'Content-Length': '0'
}).getresponse()
if resp.status == HTTP_INSUFFICIENT_STORAGE:
self.logger.error(
_('%(ip)s/%(device)s responded'
' as unmounted'), node)
attempts_left += 1
continue
if resp.status != HTTP_OK:
self.logger.error(
_("Invalid response %(resp)s "
"from %(ip)s"), {
'resp': resp.status,
'ip': node['ip']
})
continue
remote_hash = pickle.loads(resp.read())
del resp
suffixes = [
suffix for suffix in local_hash
if local_hash[suffix] != remote_hash.get(suffix, -1)
]
if not suffixes:
continue
hashed, recalc_hash = tpool.execute(
tpooled_get_hashes,
job['path'],
recalculate=suffixes,
reclaim_age=self.reclaim_age)
# See tpooled_get_hashes "Hack".
if isinstance(hashed, BaseException):
raise hashed
self.logger.update_stats('suffix.hashes', hashed)
local_hash = recalc_hash
suffixes = [
suffix for suffix in local_hash
if local_hash[suffix] != remote_hash.get(suffix, -1)
]
self.rsync(node, job, suffixes)
with Timeout(self.http_timeout):
conn = http_connect(node['ip'],
node['port'],
node['device'],
job['partition'],
'REPLICATE',
'/' + '-'.join(suffixes),
headers={'Content-Length': '0'})
conn.getresponse().read()
self.suffix_sync += len(suffixes)
self.logger.update_stats('suffix.syncs', len(suffixes))
except (Exception, Timeout):
self.logger.exception(
_("Error syncing with node: %s") % node)
self.suffix_count += len(local_hash)
except (Exception, Timeout):
self.logger.exception(_("Error syncing partition"))
finally:
self.partition_times.append(time.time() - begin)
self.logger.timing_since('partition.update.timing', begin)
def stats_line(self):
"""
Logs various stats for the currently running replication pass.
"""
if self.replication_count:
elapsed = (time.time() - self.start) or 0.000001
rate = self.replication_count / elapsed
self.logger.info(
_("%(replicated)d/%(total)d (%(percentage).2f%%)"
" partitions replicated in %(time).2fs (%(rate).2f/sec, "
"%(remaining)s remaining)"), {
'replicated':
self.replication_count,
'total':
self.job_count,
'percentage':
self.replication_count * 100.0 / self.job_count,
'time':
time.time() - self.start,
'rate':
rate,
'remaining':
'%d%s' % compute_eta(self.start, self.replication_count,
self.job_count)
})
if self.suffix_count:
self.logger.info(
_("%(checked)d suffixes checked - "
"%(hashed).2f%% hashed, %(synced).2f%% synced"), {
'checked': self.suffix_count,
'hashed':
(self.suffix_hash * 100.0) / self.suffix_count,
'synced':
(self.suffix_sync * 100.0) / self.suffix_count
})
self.partition_times.sort()
self.logger.info(
_("Partition times: max %(max).4fs, "
"min %(min).4fs, med %(med).4fs"), {
'max': self.partition_times[-1],
'min': self.partition_times[0],
'med':
self.partition_times[len(self.partition_times) // 2]
})
else:
self.logger.info(_("Nothing replicated for %s seconds."),
(time.time() - self.start))
def kill_coros(self):
"""Utility function that kills all coroutines currently running."""
for coro in list(self.run_pool.coroutines_running):
try:
coro.kill(GreenletExit)
except GreenletExit:
pass
def heartbeat(self):
"""
Loop that runs in the background during replication. It periodically
logs progress.
"""
while True:
eventlet.sleep(self.stats_interval)
self.stats_line()
def detect_lockups(self):
"""
In testing, the pool.waitall() call very occasionally failed to return.
This is an attempt to make sure the replicator finishes its replication
pass in some eventuality.
"""
while True:
eventlet.sleep(self.lockup_timeout)
if self.replication_count == self.last_replication_count:
self.logger.error(_("Lockup detected.. killing live coros."))
self.kill_coros()
self.last_replication_count = self.replication_count
def collect_jobs(self):
"""
Returns a sorted list of jobs (dictionaries) that specify the
partitions, nodes, etc to be rsynced.
"""
jobs = []
ips = whataremyips()
for local_dev in [
dev for dev in self.object_ring.devs
if dev and dev['ip'] in ips and dev['port'] == self.port
]:
dev_path = join(self.devices_dir, local_dev['device'])
obj_path = join(dev_path, 'objects')
tmp_path = join(dev_path, 'tmp')
if self.mount_check and not os.path.ismount(dev_path):
self.logger.warn(_('%s is not mounted'), local_dev['device'])
continue
unlink_older_than(tmp_path, time.time() - self.reclaim_age)
if not os.path.exists(obj_path):
continue
for partition in os.listdir(obj_path):
try:
part_nodes = \
self.object_ring.get_part_nodes(int(partition))
nodes = [
node for node in part_nodes
if node['id'] != local_dev['id']
]
jobs.append(
dict(path=join(obj_path, partition),
device=local_dev['device'],
nodes=nodes,
delete=len(nodes) > len(part_nodes) - 1,
partition=partition))
except ValueError:
continue
random.shuffle(jobs)
# Partititons that need to be deleted take priority
jobs.sort(key=lambda job: not job['delete'])
self.job_count = len(jobs)
return jobs
def replicate(self):
"""Run a replication pass"""
self.start = time.time()
self.suffix_count = 0
self.suffix_sync = 0
self.suffix_hash = 0
self.replication_count = 0
self.last_replication_count = -1
self.partition_times = []
stats = eventlet.spawn(self.heartbeat)
lockup_detector = eventlet.spawn(self.detect_lockups)
eventlet.sleep() # Give spawns a cycle
try:
self.run_pool = GreenPool(size=self.concurrency)
jobs = self.collect_jobs()
for job in jobs:
if not self.check_ring():
self.logger.info(
_("Ring change detected. Aborting "
"current replication pass."))
return
if job['delete']:
self.run_pool.spawn(self.update_deleted, job)
else:
self.run_pool.spawn(self.update, job)
with Timeout(self.lockup_timeout):
self.run_pool.waitall()
except (Exception, Timeout):
self.logger.exception(_("Exception in top-level replication loop"))
self.kill_coros()
finally:
stats.kill()
lockup_detector.kill()
self.stats_line()
def run_once(self, *args, **kwargs):
start = time.time()
self.logger.info(_("Running object replicator in script mode."))
self.replicate()
total = (time.time() - start) / 60
self.logger.info(_("Object replication complete. (%.02f minutes)"),
total)
dump_recon_cache({'object_replication_time': total}, self.rcache,
self.logger)
def run_forever(self, *args, **kwargs):
self.logger.info(_("Starting object replicator in daemon mode."))
# Run the replicator continually
while True:
start = time.time()
self.logger.info(_("Starting object replication pass."))
# Run the replicator
self.replicate()
total = (time.time() - start) / 60
self.logger.info(_("Object replication complete. (%.02f minutes)"),
total)
dump_recon_cache({'object_replication_time': total}, self.rcache,
self.logger)
self.logger.debug(_('Replication sleeping for %s seconds.'),
self.run_pause)
sleep(self.run_pause)
from swift.common.ring import Ring
if __name__ == '__main__':
# example path for sample object
# update this to and existing account/container/object
# in your environment
account = 'AUTH_9fbaa44c45ab4902a46110fd90629a79'
container = 'testing'
obj = 'testing.pem'
ring = Ring('.', ring_name='object')
part, nodes = ring.get_nodes(account, container, obj)
print 'nodes: '
for n in nodes:
print 'node: ', n
print 'part = ', part
morenodes = ring.get_more_nodes(part)
print 'more nodes:'
for n in morenodes:
print 'node: ', n
def __init__(self, conf, memcache=None, logger=None, account_ring=None,
container_ring=None, object_ring=None):
if conf is None:
conf = {}
if logger is None:
self.logger = get_logger(conf, log_route='proxy-server')
else:
self.logger = logger
swift_dir = conf.get('swift_dir', '/etc/swift')
self.node_timeout = int(conf.get('node_timeout', 10))
self.conn_timeout = float(conf.get('conn_timeout', 0.5))
self.client_timeout = int(conf.get('client_timeout', 60))
self.put_queue_depth = int(conf.get('put_queue_depth', 10))
self.object_chunk_size = int(conf.get('object_chunk_size', 65536))
self.client_chunk_size = int(conf.get('client_chunk_size', 65536))
self.trans_id_suffix = conf.get('trans_id_suffix', '')
self.post_quorum_timeout = float(conf.get('post_quorum_timeout', 0.5))
self.error_suppression_interval = \
int(conf.get('error_suppression_interval', 60))
self.error_suppression_limit = \
int(conf.get('error_suppression_limit', 10))
self.recheck_container_existence = \
int(conf.get('recheck_container_existence', 60))
self.recheck_account_existence = \
int(conf.get('recheck_account_existence', 60))
self.allow_account_management = \
config_true_value(conf.get('allow_account_management', 'no'))
self.object_post_as_copy = \
config_true_value(conf.get('object_post_as_copy', 'true'))
self.object_ring = object_ring or Ring(swift_dir, ring_name='object')
self.container_ring = container_ring or Ring(swift_dir,
ring_name='container')
self.account_ring = account_ring or Ring(swift_dir,
ring_name='account')
self.memcache = memcache
mimetypes.init(mimetypes.knownfiles +
[os.path.join(swift_dir, 'mime.types')])
self.account_autocreate = \
config_true_value(conf.get('account_autocreate', 'no'))
self.expiring_objects_account = \
(conf.get('auto_create_account_prefix') or '.') + \
'expiring_objects'
self.expiring_objects_container_divisor = \
int(conf.get('expiring_objects_container_divisor') or 86400)
self.max_containers_per_account = \
int(conf.get('max_containers_per_account') or 0)
self.max_containers_whitelist = [
a.strip()
for a in conf.get('max_containers_whitelist', '').split(',')
if a.strip()]
self.deny_host_headers = [
host.strip() for host in
conf.get('deny_host_headers', '').split(',') if host.strip()]
self.rate_limit_after_segment = \
int(conf.get('rate_limit_after_segment', 10))
self.rate_limit_segments_per_sec = \
int(conf.get('rate_limit_segments_per_sec', 1))
self.log_handoffs = config_true_value(conf.get('log_handoffs', 'true'))
self.cors_allow_origin = [
a.strip()
for a in conf.get('cors_allow_origin', '').split(',')
if a.strip()]
self.node_timings = {}
self.timing_expiry = int(conf.get('timing_expiry', 300))
self.sorting_method = conf.get('sorting_method', 'shuffle').lower()
self.allow_static_large_object = config_true_value(
conf.get('allow_static_large_object', 'true'))
self.max_large_object_get_time = float(
conf.get('max_large_object_get_time', '86400'))
value = conf.get('request_node_count', '2 * replicas').lower().split()
if len(value) == 1:
value = int(value[0])
self.request_node_count = lambda r: value
elif len(value) == 3 and value[1] == '*' and value[2] == 'replicas':
value = int(value[0])
self.request_node_count = lambda r: value * r.replica_count
else:
raise ValueError(
'Invalid request_node_count value: %r' % ''.join(value))
try:
read_affinity = conf.get('read_affinity', '')
self.read_affinity_sort_key = affinity_key_function(read_affinity)
except ValueError as err:
# make the message a little more useful
raise ValueError("Invalid read_affinity value: %r (%s)" %
(read_affinity, err.message))
try:
write_affinity = conf.get('write_affinity', '')
self.write_affinity_is_local_fn \
= affinity_locality_predicate(write_affinity)
except ValueError as err:
# make the message a little more useful
raise ValueError("Invalid write_affinity value: %r (%s)" %
(write_affinity, err.message))
value = conf.get('write_affinity_node_count',
'2 * replicas').lower().split()
if len(value) == 1:
value = int(value[0])
self.write_affinity_node_count = lambda r: value
elif len(value) == 3 and value[1] == '*' and value[2] == 'replicas':
value = int(value[0])
self.write_affinity_node_count = lambda r: value * r.replica_count
else:
raise ValueError(
'Invalid write_affinity_node_count value: %r' % ''.join(value))
swift_owner_headers = conf.get(
'swift_owner_headers',
'x-container-read, x-container-write, '
'x-container-sync-key, x-container-sync-to, '
'x-account-meta-temp-url-key, x-account-meta-temp-url-key-2')
self.swift_owner_headers = [
name.strip()
for name in swift_owner_headers.split(',') if name.strip()]
# Initialization was successful, so now apply the client chunk size
# parameter as the default read / write buffer size for the network
# sockets.
#
# NOTE WELL: This is a class setting, so until we get set this on a
# per-connection basis, this affects reading and writing on ALL
# sockets, those between the proxy servers and external clients, and
# those between the proxy servers and the other internal servers.
#
# ** Because it affects the client as well, currently, we use the
# client chunk size as the govenor and not the object chunk size.
socket._fileobject.default_bufsize = self.client_chunk_size
self.expose_info = config_true_value(
conf.get('expose_info', 'yes'))
self.disallowed_sections = list_from_csv(
conf.get('disallowed_sections'))
self.admin_key = conf.get('admin_key', None)
register_swift_info(version=swift_version)
def __init__(self, app, conf):
self.app = app
self.logger = get_logger(conf, log_route='object_endpoint')
swift_dir = conf.get('swift_dir', '/etc/swift')
self.object_ring = Ring(swift_dir, ring_name='object')
class ListEndpointsMiddleware(object):
"""
List endpoints for an object, account or container.
See above for a full description.
Uses configuration parameter `swift_dir` (default `/etc/swift`).
:param app: The next WSGI filter or app in the paste.deploy
chain.
:param conf: The configuration dict for the middleware.
"""
def __init__(self, app, conf):
self.app = app
self.logger = get_logger(conf, log_route='endpoints')
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.account_ring = Ring(self.swift_dir, ring_name='account')
self.container_ring = Ring(self.swift_dir, ring_name='container')
self.endpoints_path = conf.get('list_endpoints_path', '/endpoints/')
if not self.endpoints_path.endswith('/'):
self.endpoints_path += '/'
self.default_response_version = 1.0
self.response_map = {
1.0: self.v1_format_response,
2.0: self.v2_format_response,
}
def get_object_ring(self, policy_idx):
"""
Get the ring object to use to handle a request based on its policy.
:policy_idx: policy index as defined in swift.conf
:returns: appropriate ring object
"""
return POLICIES.get_object_ring(policy_idx, self.swift_dir)
def _parse_version(self, raw_version):
err_msg = 'Unsupported version %r' % raw_version
try:
version = float(raw_version.lstrip('v'))
except ValueError:
raise ValueError(err_msg)
if not any(version == v for v in RESPONSE_VERSIONS):
raise ValueError(err_msg)
return version
def _parse_path(self, request):
"""
Parse path parts of request into a tuple of version, account,
container, obj. Unspecified path parts are filled in as None,
except version which is always returned as a float using the
configured default response version if not specified in the
request.
:param request: the swob request
:returns: parsed path parts as a tuple with version filled in as
configured default response version if not specified.
:raises: ValueError if path is invalid, message will say why.
"""
clean_path = request.path[len(self.endpoints_path) - 1:]
# try to peel off version
try:
raw_version, rest = split_path(clean_path, 1, 2, True)
except ValueError:
raise ValueError('No account specified')
try:
version = self._parse_version(raw_version)
except ValueError:
if raw_version.startswith('v') and '_' not in raw_version:
# looks more like a invalid version than an account
raise
# probably no version specified, but if the client really
# said /endpoints/v_3/account they'll probably be sorta
# confused by the useless response and lack of error.
version = self.default_response_version
rest = clean_path
else:
rest = '/' + rest if rest else '/'
try:
account, container, obj = split_path(rest, 1, 3, True)
except ValueError:
raise ValueError('No account specified')
return version, account, container, obj
def v1_format_response(self, req, endpoints, **kwargs):
return Response(json.dumps(endpoints), content_type='application/json')
def v2_format_response(self, req, endpoints, storage_policy_index,
**kwargs):
resp = {
'endpoints': endpoints,
'headers': {},
}
if storage_policy_index is not None:
resp['headers']['X-Backend-Storage-Policy-Index'] = str(
storage_policy_index)
return Response(json.dumps(resp), content_type='application/json')
def __call__(self, env, start_response):
request = Request(env)
if not request.path.startswith(self.endpoints_path):
return self.app(env, start_response)
if request.method != 'GET':
return HTTPMethodNotAllowed(req=request,
headers={"Allow":
"GET"})(env, start_response)
try:
version, account, container, obj = self._parse_path(request)
except ValueError as err:
return HTTPBadRequest(str(err))(env, start_response)
if account is not None:
account = unquote(account)
if container is not None:
container = unquote(container)
if obj is not None:
obj = unquote(obj)
storage_policy_index = None
if obj is not None:
container_info = get_container_info(
{'PATH_INFO': '/v1/%s/%s' % (account, container)},
self.app,
swift_source='LE')
storage_policy_index = container_info['storage_policy']
obj_ring = self.get_object_ring(storage_policy_index)
partition, nodes = obj_ring.get_nodes(account, container, obj)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}/{container}/{obj}'
elif container is not None:
partition, nodes = self.container_ring.get_nodes(
account, container)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}/{container}'
else:
partition, nodes = self.account_ring.get_nodes(account)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}'
endpoints = []
for node in nodes:
endpoint = endpoint_template.format(ip=node['ip'],
port=node['port'],
device=node['device'],
partition=partition,
account=quote(account),
container=quote(container
or ''),
obj=quote(obj or ''))
endpoints.append(endpoint)
resp = self.response_map[version](
request,
endpoints=endpoints,
storage_policy_index=storage_policy_index)
return resp(env, start_response)
class ListEndpointsMiddleware(object):
"""
List endpoints for an object, account or container.
See above for a full description.
Uses configuration parameter `swift_dir` (default `/etc/swift`).
:param app: The next WSGI filter or app in the paste.deploy
chain.
:param conf: The configuration dict for the middleware.
"""
def __init__(self, app, conf):
self.app = app
self.logger = get_logger(conf, log_route='endpoints')
self.swift_dir = conf.get('swift_dir', '/etc/swift')
self.account_ring = Ring(self.swift_dir, ring_name='account')
self.container_ring = Ring(self.swift_dir, ring_name='container')
self.endpoints_path = conf.get('list_endpoints_path', '/endpoints/')
if not self.endpoints_path.endswith('/'):
self.endpoints_path += '/'
self.default_response_version = 1.0
self.response_map = {
1.0: self.v1_format_response,
2.0: self.v2_format_response,
}
def get_object_ring(self, policy_idx):
"""
Get the ring object to use to handle a request based on its policy.
:policy_idx: policy index as defined in swift.conf
:returns: appropriate ring object
"""
return POLICIES.get_object_ring(policy_idx, self.swift_dir)
def _parse_version(self, raw_version):
err_msg = 'Unsupported version %r' % raw_version
try:
version = float(raw_version.lstrip('v'))
except ValueError:
raise ValueError(err_msg)
if not any(version == v for v in RESPONSE_VERSIONS):
raise ValueError(err_msg)
return version
def _parse_path(self, request):
"""
Parse path parts of request into a tuple of version, account,
container, obj. Unspecified path parts are filled in as None,
except version which is always returned as a float using the
configured default response version if not specified in the
request.
:param request: the swob request
:returns: parsed path parts as a tuple with version filled in as
configured default response version if not specified.
:raises: ValueError if path is invalid, message will say why.
"""
clean_path = request.path[len(self.endpoints_path) - 1:]
# try to peel off version
try:
raw_version, rest = split_path(clean_path, 1, 2, True)
except ValueError:
raise ValueError('No account specified')
try:
version = self._parse_version(raw_version)
except ValueError:
if raw_version.startswith('v') and '_' not in raw_version:
# looks more like a invalid version than an account
raise
# probably no version specified, but if the client really
# said /endpoints/v_3/account they'll probably be sorta
# confused by the useless response and lack of error.
version = self.default_response_version
rest = clean_path
else:
rest = '/' + rest if rest else '/'
try:
account, container, obj = split_path(rest, 1, 3, True)
except ValueError:
raise ValueError('No account specified')
return version, account, container, obj
def v1_format_response(self, req, endpoints, **kwargs):
return Response(json.dumps(endpoints),
content_type='application/json')
def v2_format_response(self, req, endpoints, storage_policy_index,
**kwargs):
resp = {
'endpoints': endpoints,
'headers': {},
}
if storage_policy_index is not None:
resp['headers'][
'X-Backend-Storage-Policy-Index'] = str(storage_policy_index)
return Response(json.dumps(resp),
content_type='application/json')
def __call__(self, env, start_response):
request = Request(env)
if not request.path.startswith(self.endpoints_path):
return self.app(env, start_response)
if request.method != 'GET':
return HTTPMethodNotAllowed(
req=request, headers={"Allow": "GET"})(env, start_response)
try:
version, account, container, obj = self._parse_path(request)
except ValueError as err:
return HTTPBadRequest(str(err))(env, start_response)
if account is not None:
account = unquote(account)
if container is not None:
container = unquote(container)
if obj is not None:
obj = unquote(obj)
storage_policy_index = None
if obj is not None:
container_info = get_container_info(
{'PATH_INFO': '/v1/%s/%s' % (account, container)},
self.app, swift_source='LE')
storage_policy_index = container_info['storage_policy']
obj_ring = self.get_object_ring(storage_policy_index)
partition, nodes = obj_ring.get_nodes(
account, container, obj)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}/{container}/{obj}'
elif container is not None:
partition, nodes = self.container_ring.get_nodes(
account, container)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}/{container}'
else:
partition, nodes = self.account_ring.get_nodes(
account)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}'
endpoints = []
for node in nodes:
endpoint = endpoint_template.format(
ip=node['ip'],
port=node['port'],
device=node['device'],
partition=partition,
account=quote(account),
container=quote(container or ''),
obj=quote(obj or ''))
endpoints.append(endpoint)
resp = self.response_map[version](
request, endpoints=endpoints,
storage_policy_index=storage_policy_index)
return resp(env, start_response)
def generate_report(conf, policy_name=None):
global json_output
json_output = config_true_value(conf.get('dump_json', 'no'))
if policy_name is None:
policy = POLICIES.default
else:
policy = POLICIES.get_by_name(policy_name)
if policy is None:
exit('Unable to find policy: %s' % policy_name)
if not json_output:
print('Using storage policy: %s ' % policy.name)
swift_dir = conf.get('swift_dir', '/etc/swift')
retries = int(conf.get('retries', 5))
concurrency = int(conf.get('concurrency', 25))
endpoint_type = str(conf.get('endpoint_type', 'publicURL'))
region_name = str(conf.get('region_name', ''))
container_report = config_true_value(conf.get('container_report', 'yes'))
object_report = config_true_value(conf.get('object_report', 'yes'))
if not (object_report or container_report):
exit("Neither container or object report is set to run")
user_domain_name = str(conf.get('user_domain_name', ''))
project_domain_name = str(conf.get('project_domain_name', ''))
project_name = str(conf.get('project_name', ''))
insecure = config_true_value(conf.get('keystone_api_insecure', 'no'))
coropool = GreenPool(size=concurrency)
os_options = {'endpoint_type': endpoint_type}
if user_domain_name:
os_options['user_domain_name'] = user_domain_name
if project_domain_name:
os_options['project_domain_name'] = project_domain_name
if project_name:
os_options['project_name'] = project_name
if region_name:
os_options['region_name'] = region_name
url, token = get_auth(conf['auth_url'],
conf['auth_user'],
conf['auth_key'],
auth_version=conf.get('auth_version', '1.0'),
os_options=os_options,
insecure=insecure)
account = url.rsplit('/', 1)[1]
connpool = Pool(max_size=concurrency)
connpool.create = lambda: SimpleClient(
url=url, token=token, retries=retries)
container_ring = Ring(swift_dir, ring_name='container')
object_ring = Ring(swift_dir, ring_name=policy.ring_name)
output = {}
if container_report:
output['container'] = container_dispersion_report(
coropool, connpool, account, container_ring, retries,
conf.get('partitions'), policy)
if object_report:
output['object'] = object_dispersion_report(coropool, connpool,
account, object_ring,
retries,
conf.get('partitions'),
policy)
return output
class ContainerCrawler(object):
def __init__(self, conf, handler_class, logger=None):
if not handler_class:
raise RuntimeError('Handler class must be defined')
self.logger = logger
self.conf = conf
self.root = conf['devices']
self.bulk = config_true_value(conf.get('bulk_process', False))
self.interval = 10
self.swift_dir = '/etc/swift'
self.container_ring = Ring(self.swift_dir, ring_name='container')
self.status_dir = conf['status_dir']
self.myips = whataremyips('0.0.0.0')
self.items_chunk = conf['items_chunk']
self.poll_interval = conf.get('poll_interval', 5)
self.handler_class = handler_class
if not self.bulk:
self._init_workers(conf)
else:
self.workers = 1
self._init_ic_pool(conf)
self.log('debug', 'Created the Container Crawler instance')
def _init_workers(self, conf):
self.workers = conf.get('workers', 10)
self.pool = eventlet.GreenPool(self.workers)
self.work_queue = eventlet.queue.Queue(self.workers * 2)
# max_size=None means a Queue is infinite
self.error_queue = eventlet.queue.Queue(maxsize=None)
self.stats_queue = eventlet.queue.Queue(maxsize=None)
for _ in xrange(self.workers):
self.pool.spawn_n(self._worker)
def _init_ic_pool(self, conf):
pool_size = self.workers
self._swift_pool = eventlet.pools.Pool(
create=lambda: create_internal_client(conf, self.swift_dir),
min_size=pool_size,
max_size=pool_size)
def _worker(self):
while 1:
try:
work = self.work_queue.get()
except:
self.log(
'error', 'Failed to fetch items from the queue: %s' %
traceback.format_exc())
time.sleep(100)
continue
try:
if work:
row, handler = work
with self._swift_pool.item() as swift_client:
handler.handle(row, swift_client)
except RetryError:
self.error_queue.put((row, None))
except:
self.error_queue.put((row, traceback.format_exc()))
finally:
self.work_queue.task_done()
def _stop(self):
for _ in xrange(self.workers):
self.work_queue.put(None)
self.pool.waitall()
def _check_errors(self):
# When working in bulk, errors are propagated immediately
if self.bulk or self.error_queue.empty():
return
retry_error = False
while not self.error_queue.empty():
row, error = self.error_queue.get()
if error:
self.log(
'error', u'Failed to handle row %s (%s): %r' %
(row['ROWID'], row['name'].decode('utf-8'), error))
else:
retry_error = True
if not retry_error:
raise RuntimeError('Failed to process rows')
else:
raise RetryError('Rows must be retried later')
def log(self, level, message):
if not self.logger:
return
getattr(self.logger, level)(message)
def get_broker(self, account, container, part, node):
db_hash = hash_path(account.encode('utf-8'), container.encode('utf-8'))
db_dir = storage_directory(DATADIR, part, db_hash)
db_path = os.path.join(self.root, node['device'], db_dir,
db_hash + '.db')
return ContainerBroker(db_path, account=account, container=container)
def submit_items(self, handler, rows):
if self.bulk:
with self._swift_pool.item() as swift_client:
handler.handle(rows, swift_client)
return
for row in rows:
self.work_queue.put((row, handler))
self.work_queue.join()
def process_items(self, handler, rows, nodes_count, node_id):
owned_rows = filter(lambda row: row['ROWID'] % nodes_count == node_id,
rows)
self.submit_items(handler, owned_rows)
verified_rows = filter(
lambda row: row['ROWID'] % nodes_count != node_id, rows)
if verified_rows:
self.submit_items(handler, verified_rows)
self._check_errors()
return len(owned_rows), len(verified_rows)
def handle_container(self, handler):
part, container_nodes = self.container_ring.get_nodes(
handler._account.encode('utf-8'),
handler._container.encode('utf-8'))
nodes_count = len(container_nodes)
for index, node in enumerate(container_nodes):
if not is_local_device(self.myips, None, node['ip'], node['port']):
continue
broker = self.get_broker(handler._account, handler._container,
part, node)
broker_info = broker.get_info()
last_row = handler.get_last_row(broker_info['id'])
if not last_row:
last_row = 0
try:
items = broker.get_items_since(last_row, self.items_chunk)
except DatabaseConnectionError:
continue
if items:
self.log(
'info', 'Processing %d rows since row %d for %s/%s' %
(len(items), last_row, handler._account,
handler._container))
owned_count, verified_count = self.process_items(
handler, items, nodes_count, index)
handler.save_last_row(items[-1]['ROWID'], broker_info['id'])
self.log(
'info',
'Processed %d rows; verified %d rows; last row: %d' %
(owned_count, verified_count, items[-1]['ROWID']))
def call_handle_container(self, settings, per_account=False):
""" Thin wrapper around the handle_container() method for error
handling.
Arguments
settings -- dictionary with settings used for the
per_account -- whether the whole account is crawled.
"""
try:
handler = self.handler_class(self.status_dir,
settings,
per_account=per_account)
self.handle_container(handler)
except SkipContainer:
self.log('info', "Skipping %(account)s/%(container)s" % settings)
except RetryError:
pass
except:
account = settings['account']
container = settings['container']
self.log(
'error', "Failed to process %s/%s with %s" %
(account, container, self.handler_class.__name__))
self.log('error', traceback.format_exc())
def list_containers(self, account):
# TODO: we should not have to retrieve all of the containers at once,
# but it will require allocating a swift_client for this purpose from
# the pool -- consider doing that at some point. However, as long as
# there are fewer than a few million containers, getting all of them at
# once should be cheap, paginating 10000 at a time.
with self._swift_pool.item() as swift_client:
return [c['name'] for c in swift_client.iter_containers(account)]
def run_always(self):
# Since we don't support reloading, the daemon should quit if there are
# no containers configured
if 'containers' not in self.conf or not self.conf['containers']:
return
self.log('debug', 'Entering the poll loop')
while True:
start = time.time()
self.run_once()
elapsed = time.time() - start
if elapsed < self.poll_interval:
time.sleep(self.poll_interval - elapsed)
def run_once(self):
for container_settings in self.conf['containers']:
# TODO: perform validation of the settings on startup
if 'container' not in container_settings:
self.log(
'error',
'Container name not specified in settings -- continue')
continue
if 'account' not in container_settings:
self.log('error',
'Account not in specified in settings -- continue')
continue
if container_settings['container'] == '/*':
all_containers = self.list_containers(
container_settings['account'])
for container in all_containers:
settings_copy = container_settings.copy()
settings_copy['container'] = container.decode('utf-8')
self.call_handle_container(settings_copy, per_account=True)
# After iterating over all of the containers, we prune any
# entries from containers that may have been deleted (so as to
# avoid missing data). There is still a chance where a
# container is removed and created between the calls to
# CloudSync, however there is nothing we can do about that.
# TODO: keep track of container creation date to detect when
# they are removed and then added.
if not os.path.exists(
os.path.join(self.status_dir,
container_settings['account'])):
continue
tracked_containers = os.listdir(
os.path.join(self.status_dir,
container_settings['account']))
disappeared = set(tracked_containers) - set(all_containers)
for container in disappeared:
try:
os.unlink(
os.path.join(self.status_dir,
container_settings['account'],
container))
except Exception as e:
self.log(
'warning',
'Failed to remove the status file for %s: %s' %
(os.path.join(container_settings['account'],
container), repr(e)))
else:
self.call_handle_container(container_settings)
def __init__(self,
conf,
memcache=None,
logger=None,
account_ring=None,
container_ring=None,
object_ring=None):
if conf is None:
conf = {}
if logger is None:
self.logger = get_logger(conf, log_route='proxy-server')
else:
self.logger = logger
swift_dir = conf.get('swift_dir', '/etc/swift')
self.node_timeout = int(conf.get('node_timeout', 10))
self.conn_timeout = float(conf.get('conn_timeout', 0.5))
self.client_timeout = int(conf.get('client_timeout', 60))
self.put_queue_depth = int(conf.get('put_queue_depth', 10))
self.object_chunk_size = int(conf.get('object_chunk_size', 65536))
self.client_chunk_size = int(conf.get('client_chunk_size', 65536))
self.trans_id_suffix = conf.get('trans_id_suffix', '')
self.error_suppression_interval = \
int(conf.get('error_suppression_interval', 60))
self.error_suppression_limit = \
int(conf.get('error_suppression_limit', 10))
self.recheck_container_existence = \
int(conf.get('recheck_container_existence', 60))
self.recheck_account_existence = \
int(conf.get('recheck_account_existence', 60))
self.allow_account_management = \
config_true_value(conf.get('allow_account_management', 'no'))
self.object_post_as_copy = \
config_true_value(conf.get('object_post_as_copy', 'true'))
self.resellers_conf = ConfigParser()
self.resellers_conf.read(os.path.join(swift_dir, 'resellers.conf'))
self.object_ring = object_ring or Ring(swift_dir, ring_name='object')
self.container_ring = container_ring or Ring(swift_dir,
ring_name='container')
self.account_ring = account_ring or Ring(swift_dir,
ring_name='account')
self.memcache = memcache
mimetypes.init(mimetypes.knownfiles +
[os.path.join(swift_dir, 'mime.types')])
self.account_autocreate = \
config_true_value(conf.get('account_autocreate', 'no'))
self.expiring_objects_account = \
(conf.get('auto_create_account_prefix') or '.') + \
'expiring_objects'
self.expiring_objects_container_divisor = \
int(conf.get('expiring_objects_container_divisor') or 86400)
self.max_containers_per_account = \
int(conf.get('max_containers_per_account') or 0)
self.max_containers_whitelist = [
a.strip()
for a in conf.get('max_containers_whitelist', '').split(',')
if a.strip()
]
self.deny_host_headers = [
host.strip()
for host in conf.get('deny_host_headers', '').split(',')
if host.strip()
]
self.rate_limit_after_segment = \
int(conf.get('rate_limit_after_segment', 10))
self.rate_limit_segments_per_sec = \
int(conf.get('rate_limit_segments_per_sec', 1))
self.log_handoffs = config_true_value(conf.get('log_handoffs', 'true'))
self.cors_allow_origin = [
a.strip() for a in conf.get('cors_allow_origin', '').split(',')
if a.strip()
]
self.node_timings = {}
self.timing_expiry = int(conf.get('timing_expiry', 300))
self.sorting_method = conf.get('sorting_method', 'shuffle').lower()
self.allow_static_large_object = config_true_value(
conf.get('allow_static_large_object', 'true'))
value = conf.get('request_node_count', '2 * replicas').lower().split()
if len(value) == 1:
value = int(value[0])
self.request_node_count = lambda r: value
elif len(value) == 3 and value[1] == '*' and value[2] == 'replicas':
value = int(value[0])
self.request_node_count = lambda r: value * r.replica_count
else:
raise ValueError('Invalid request_node_count value: %r' %
''.join(value))
def print_item_locations(ring, ring_name=None, account=None, container=None,
obj=None, **kwargs):
"""
Display placement information for an item based on ring lookup.
If a ring is provided it always takes precedence, but warnings will be
emitted if it doesn't match other optional arguments like the policy_name
or ring_name.
If no ring is provided the ring_name and/or policy_name will be used to
lookup the ring.
:param ring: a ring instance
:param ring_name: server type, or storage policy ring name if object ring
:param account: account name
:param container: container name
:param obj: object name
:param partition: part number for non path lookups
:param policy_name: name of storage policy to use to lookup the ring
:param all_nodes: include all handoff nodes. If false, only the N primary
nodes and first N handoffs will be printed.
"""
policy_name = kwargs.get('policy_name', None)
part = kwargs.get('partition', None)
all_nodes = kwargs.get('all', False)
swift_dir = kwargs.get('swift_dir', '/etc/swift')
if ring and policy_name:
policy = POLICIES.get_by_name(policy_name)
if policy:
if ring_name != policy.ring_name:
print('Warning: mismatch between ring and policy name!')
else:
print('Warning: Policy %s is not valid' % policy_name)
policy_index = None
if ring is None and (obj or part):
if not policy_name:
print('Need a ring or policy')
raise InfoSystemExit()
policy = POLICIES.get_by_name(policy_name)
if not policy:
print('No policy named %r' % policy_name)
raise InfoSystemExit()
policy_index = int(policy)
ring = POLICIES.get_object_ring(policy_index, swift_dir)
ring_name = (POLICIES.get_by_name(policy_name)).ring_name
if account is None and (container is not None or obj is not None):
print('No account specified')
raise InfoSystemExit()
if container is None and obj is not None:
print('No container specified')
raise InfoSystemExit()
if account is None and part is None:
print('No target specified')
raise InfoSystemExit()
loc = '<type>'
if part and ring_name:
if '-' in ring_name and ring_name.startswith('object'):
loc = 'objects-' + ring_name.split('-', 1)[1]
else:
loc = ring_name + 's'
if account and container and obj:
loc = 'objects'
if '-' in ring_name and ring_name.startswith('object'):
policy_index = int(ring_name.rsplit('-', 1)[1])
loc = 'objects-%d' % policy_index
if account and container and not obj:
loc = 'containers'
if not any([ring, ring_name]):
ring = Ring(swift_dir, ring_name='container')
else:
if ring_name != 'container':
print('Warning: account/container specified ' +
'but ring not named "container"')
if account and not container and not obj:
loc = 'accounts'
if not any([ring, ring_name]):
ring = Ring(swift_dir, ring_name='account')
else:
if ring_name != 'account':
print('Warning: account specified ' +
'but ring not named "account"')
print('\nAccount \t%s' % account)
print('Container\t%s' % container)
print('Object \t%s\n\n' % obj)
print_ring_locations(ring, loc, account, container, obj, part, all_nodes,
policy_index=policy_index)
def get_object_ring(self):
""" The object :class:`swift.common.ring.Ring` for the cluster. """
if not self.object_ring:
self.object_ring = Ring(self.swift_dir, ring_name='object')
return self.object_ring
class ListEndpointsMiddleware(object):
"""
List endpoints for an object, account or container.
See above for a full description.
Uses configuration parameter `swift_dir` (default `/etc/swift`).
:param app: The next WSGI filter or app in the paste.deploy
chain.
:param conf: The configuration dict for the middleware.
"""
def __init__(self, app, conf):
self.app = app
self.logger = get_logger(conf, log_route='endpoints')
swift_dir = conf.get('swift_dir', '/etc/swift')
self.account_ring = Ring(swift_dir, ring_name='account')
self.container_ring = Ring(swift_dir, ring_name='container')
self.object_ring = Ring(swift_dir, ring_name='object')
self.endpoints_path = conf.get('list_endpoints_path', '/endpoints/')
if not self.endpoints_path.endswith('/'):
self.endpoints_path += '/'
def __call__(self, env, start_response):
request = Request(env)
if not request.path.startswith(self.endpoints_path):
return self.app(env, start_response)
if request.method != 'GET':
return HTTPMethodNotAllowed(
req=request, headers={"Allow": "GET"})(env, start_response)
try:
clean_path = request.path[len(self.endpoints_path) - 1:]
account, container, obj = \
split_path(clean_path, 1, 3, True)
except ValueError:
return HTTPBadRequest('No account specified')(env, start_response)
if account is not None:
account = unquote(account)
if container is not None:
container = unquote(container)
if obj is not None:
obj = unquote(obj)
if obj is not None:
partition, nodes = self.object_ring.get_nodes(
account, container, obj)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}/{container}/{obj}'
elif container is not None:
partition, nodes = self.container_ring.get_nodes(
account, container)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}/{container}'
else:
partition, nodes = self.account_ring.get_nodes(
account)
endpoint_template = 'http://{ip}:{port}/{device}/{partition}/' + \
'{account}'
endpoints = []
for node in nodes:
endpoint = endpoint_template.format(
ip=node['ip'],
port=node['port'],
device=node['device'],
partition=partition,
account=quote(account),
container=quote(container or ''),
obj=quote(obj or ''))
endpoints.append(endpoint)
return Response(json.dumps(endpoints),
content_type='application/json')(env, start_response)
def get_account_ring(self):
"""The account :class:`swift.common.ring.Ring` for the cluster."""
if not self.account_ring:
self.account_ring = Ring(self.swift_dir, ring_name='account')
return self.account_ring