class Meta2DecommissionJob(XcuteRdirJob):
JOB_TYPE = 'meta2-decommission'
TASK_CLASS = Meta2DecommissionTask
@classmethod
def sanitize_params(cls, job_params):
sanitized_job_params, _ = super(Meta2DecommissionJob,
cls).sanitize_params(job_params)
src = job_params.get('service_id')
if not src:
raise ValueError('Missing service ID')
sanitized_job_params['service_id'] = src
sanitized_job_params['dst'] = job_params.get('dst')
return sanitized_job_params, 'meta2/%s' % src
def __init__(self, conf, logger=None):
super(Meta2DecommissionJob, self).__init__(conf, logger=logger)
self.rdir_client = RdirClient(conf, logger=logger)
def get_tasks(self, job_params, marker=None):
containers = self._containers_from_rdir(job_params, marker)
for marker, container_id in containers:
yield marker, dict(container_id=container_id)
def get_total_tasks(self, job_params, marker=None):
containers = self._containers_from_rdir(job_params, marker)
i = 0
for i, (marker, _) in enumerate(containers, 1):
if i % 1000 == 0:
yield marker, 1000
remaining = i % 1000
if remaining == 0:
return
yield marker, remaining
def _containers_from_rdir(self, job_params, marker):
service_id = job_params['service_id']
rdir_fetch_limit = job_params['rdir_fetch_limit']
rdir_timeout = job_params['rdir_timeout']
containers = self.rdir_client.meta2_index_fetch_all(
service_id,
marker=marker,
timeout=rdir_timeout,
limit=rdir_fetch_limit)
for container_info in containers:
container_url = container_info['container_url']
container_id = container_info['container_id']
yield container_url, container_id
class Meta2Rebuilder(Tool):
"""
Rebuild meta2 databases.
"""
DEFAULT_RDIR_FETCH_LIMIT = 100
def __init__(self, conf, input_file=None, service_id=None, **kwargs):
super(Meta2Rebuilder, self).__init__(conf, **kwargs)
# input
self.input_file = input_file
self.meta2_id = service_id
# rawx/rdir
self.rdir_client = RdirClient(self.conf, logger=self.logger)
self.rdir_fetch_limit = int_value(self.conf.get('rdir_fetch_limit'),
self.DEFAULT_RDIR_FETCH_LIMIT)
@staticmethod
def string_from_item(item):
namespace, container_id = item
return '%s|%s' % (namespace, container_id)
def _fetch_items_from_input_file(self):
with open(self.input_file, 'r') as ifile:
for line in ifile:
stripped = line.strip()
if not stripped or stripped.startswith('#'):
continue
container_id = stripped
yield self.namespace, container_id
def _fetch_items_from_meta2_id(self):
containers = self.rdir_client.meta2_index_fetch_all(self.meta2_id)
for container in containers:
yield self.namespace, container['container_id']
def _fetch_items(self):
if self.input_file:
return self._fetch_items_from_input_file()
if self.meta2_id:
return self._fetch_items_from_meta2_id()
def _empty_generator():
return
yield # pylint: disable=unreachable
return _empty_generator()
def _get_report(self, status, end_time, counters):
references_processed, total_references_processed, \
errors, total_errors = counters
time_since_last_report = (end_time - self.last_report) or 0.00001
total_time = (end_time - self.start_time) or 0.00001
report = (
'%(status)s '
'last_report=%(last_report)s %(time_since_last_report).2fs '
'references=%(references)d %(references_rate).2f/s '
'errors=%(errors)d %(errors_rate).2f%% '
'start_time=%(start_time)s %(total_time).2fs '
'total_references='
'%(total_references)d %(total_references_rate).2f/s '
'total_errors=%(total_errors)d %(total_errors_rate).2f%%' % {
'status':
status,
'last_report':
datetime.fromtimestamp(int(self.last_report)).isoformat(),
'time_since_last_report':
time_since_last_report,
'references':
references_processed,
'references_rate':
references_processed / time_since_last_report,
'errors':
errors,
'errors_rate':
100 * errors / float(references_processed or 1),
'start_time':
datetime.fromtimestamp(int(self.start_time)).isoformat(),
'total_time':
total_time,
'total_references':
total_references_processed,
'total_references_rate':
total_references_processed / total_time,
'total_errors':
total_errors,
'total_errors_rate':
100 * total_errors / float(total_references_processed or 1)
})
if self.total_expected_items is not None:
progress = 100 * total_references_processed / \
float(self.total_expected_items or 1)
report += ' progress=%d/%d %.2f%%' % \
(total_references_processed, self.total_expected_items,
progress)
return report
def create_worker(self, queue_workers, queue_reply):
return ContentRepairerWorker(self, queue_workers, queue_reply)
def _load_total_expected_items(self):
pass
class TestMeta2Indexing(BaseTestCase):
def setUp(self):
super(TestMeta2Indexing, self).setUp()
self.rdir_client = RdirClient(self.conf)
self.directory_client = DirectoryClient(self.conf)
self.container_client = ContainerClient(self.conf)
self.containers = [random_str(14) for _ in range(0, randint(1, 10))]
self.containers_svcs = {}
self.event_agent_name = 'event-agent-1'
def tearDown(self):
super(TestMeta2Indexing, self).tearDown()
self._containers_cleanup()
self._service(self.event_agent_name, 'start', wait=3)
def _containers_cleanup(self):
for container in self.containers:
self.container_client.container_delete(self.account, container)
for svc in self.containers_svcs[container]:
self.rdir_client.meta2_index_delete(
volume_id=svc['host'],
container_path="{0}/{1}/{2}".format(
self.ns, self.account, container),
container_id=cid_from_name(self.account, container))
def _filter_by_managing_svc(self, all_containers, svc_of_interest):
"""
Filters through the containers returning only those that have
svc_of_interest in their list of managing services.
"""
containers_list = []
for key in all_containers.keys():
if svc_of_interest in [x['host'] for x in all_containers[key]]:
containers_list.append(key)
return sorted(containers_list)
def test_volume_indexing_worker(self):
"""
Test steps:
- Generate a list of container names and create them
- Collect their respective meta2 servers
- For each meta2 server:
- Run a meta2 indexing worker
- List all rdir index records and match then with the
services we're expecting.
:return:
"""
self._service(self.event_agent_name, "stop", wait=3)
for container in self.containers:
self.container_client.container_create(account=self.account,
reference=container)
for container in self.containers:
self.containers_svcs[container] = [
x
for x in self.directory_client.list(account=self.account,
reference=container)['srv']
if x['type'] == 'meta2'
]
meta2_data_paths = {}
for svc in self.conf['services']['meta2']:
svc_host = svc.get('service_id', svc['addr'])
meta2_data_paths[svc_host] = svc['path']
distinct_meta2_servers = set()
for svc_list in self.containers_svcs.values():
for svc in svc_list:
distinct_meta2_servers.add(svc['host'])
for svc in distinct_meta2_servers:
expected_containers = self._filter_by_managing_svc(
self.containers_svcs, svc)
worker = Meta2IndexingWorker(meta2_data_paths[svc], self.conf)
worker.crawl_volume()
indexed_containers = sorted([
x['container_url'].split('/')[-1]
for x in self.rdir_client.meta2_index_fetch_all(volume_id=svc)
])
for cont in expected_containers:
self.assertIn(cont, indexed_containers)
