407 lines
17 KiB
Python
Executable File
407 lines
17 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# Copyright (c) 2010-2012 OpenStack Foundation
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
|
# implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import json
|
|
from collections import defaultdict
|
|
from six.moves.configparser import ConfigParser
|
|
from optparse import OptionParser
|
|
from sys import exit, stdout, stderr
|
|
from time import time
|
|
|
|
from eventlet import GreenPool, hubs, patcher, Timeout
|
|
from eventlet.pools import Pool
|
|
from eventlet.green import urllib2
|
|
|
|
from swift.common import direct_client
|
|
try:
|
|
from swiftclient import get_auth
|
|
except ImportError:
|
|
from swift.common.internal_client import get_auth
|
|
from swift.common.internal_client import SimpleClient
|
|
from swift.common.ring import Ring
|
|
from swift.common.exceptions import ClientException
|
|
from swift.common.utils import compute_eta, get_time_units, config_true_value
|
|
from swift.common.storage_policy import POLICIES
|
|
|
|
|
|
unmounted = []
|
|
notfound = []
|
|
json_output = False
|
|
debug = False
|
|
insecure = False
|
|
|
|
|
|
def get_error_log(prefix):
|
|
|
|
def error_log(msg_or_exc):
|
|
global debug, unmounted, notfound
|
|
if hasattr(msg_or_exc, 'http_status'):
|
|
identifier = '%s:%s/%s' % (msg_or_exc.http_host,
|
|
msg_or_exc.http_port,
|
|
msg_or_exc.http_device)
|
|
if msg_or_exc.http_status == 507:
|
|
if identifier not in unmounted:
|
|
unmounted.append(identifier)
|
|
print >>stderr, 'ERROR: %s is unmounted -- This will ' \
|
|
'cause replicas designated for that device to be ' \
|
|
'considered missing until resolved or the ring is ' \
|
|
'updated.' % (identifier)
|
|
stderr.flush()
|
|
if debug and identifier not in notfound:
|
|
notfound.append(identifier)
|
|
print >>stderr, 'ERROR: %s returned a 404' % (identifier)
|
|
stderr.flush()
|
|
if not hasattr(msg_or_exc, 'http_status') or \
|
|
msg_or_exc.http_status not in (404, 507):
|
|
print >>stderr, 'ERROR: %s: %s' % (prefix, msg_or_exc)
|
|
stderr.flush()
|
|
return error_log
|
|
|
|
|
|
def container_dispersion_report(coropool, connpool, account, container_ring,
|
|
retries, output_missing_partitions, policy):
|
|
with connpool.item() as conn:
|
|
containers = [c['name'] for c in conn.get_account(
|
|
prefix='dispersion_%d' % policy.idx, full_listing=True)[1]]
|
|
containers_listed = len(containers)
|
|
if not containers_listed:
|
|
print >>stderr, 'No containers to query. Has ' \
|
|
'swift-dispersion-populate been run?'
|
|
stderr.flush()
|
|
return
|
|
retries_done = [0]
|
|
containers_queried = [0]
|
|
container_copies_missing = defaultdict(int)
|
|
container_copies_found = [0]
|
|
container_copies_expected = [0]
|
|
begun = time()
|
|
next_report = [time() + 2]
|
|
|
|
def direct(container, part, nodes):
|
|
found_count = 0
|
|
for node in nodes:
|
|
error_log = get_error_log('%(ip)s:%(port)s/%(device)s' % node)
|
|
try:
|
|
attempts, _junk = direct_client.retry(
|
|
direct_client.direct_head_container, node, part, account,
|
|
container, error_log=error_log, retries=retries)
|
|
retries_done[0] += attempts - 1
|
|
found_count += 1
|
|
except ClientException as err:
|
|
if err.http_status not in (404, 507):
|
|
error_log('Giving up on /%s/%s/%s: %s' % (part, account,
|
|
container, err))
|
|
except (Exception, Timeout) as err:
|
|
error_log('Giving up on /%s/%s/%s: %s' % (part, account,
|
|
container, err))
|
|
if output_missing_partitions and \
|
|
found_count < len(nodes):
|
|
missing = len(nodes) - found_count
|
|
print '\r\x1B[K',
|
|
stdout.flush()
|
|
print >>stderr, '# Container partition %s missing %s cop%s' % (
|
|
part, missing, 'y' if missing == 1 else 'ies')
|
|
container_copies_found[0] += found_count
|
|
containers_queried[0] += 1
|
|
container_copies_missing[len(nodes) - found_count] += 1
|
|
if time() >= next_report[0]:
|
|
next_report[0] = time() + 5
|
|
eta, eta_unit = compute_eta(begun, containers_queried[0],
|
|
containers_listed)
|
|
if not json_output:
|
|
print '\r\x1B[KQuerying containers: %d of %d, %d%s left, %d ' \
|
|
'retries' % (containers_queried[0], containers_listed,
|
|
round(eta), eta_unit, retries_done[0]),
|
|
stdout.flush()
|
|
container_parts = {}
|
|
for container in containers:
|
|
part, nodes = container_ring.get_nodes(account, container)
|
|
if part not in container_parts:
|
|
container_copies_expected[0] += len(nodes)
|
|
container_parts[part] = part
|
|
coropool.spawn(direct, container, part, nodes)
|
|
coropool.waitall()
|
|
distinct_partitions = len(container_parts)
|
|
copies_found = container_copies_found[0]
|
|
copies_expected = container_copies_expected[0]
|
|
value = 100.0 * copies_found / copies_expected
|
|
elapsed, elapsed_unit = get_time_units(time() - begun)
|
|
container_copies_missing.pop(0, None)
|
|
if not json_output:
|
|
print '\r\x1B[KQueried %d containers for dispersion reporting, ' \
|
|
'%d%s, %d retries' % (containers_listed, round(elapsed),
|
|
elapsed_unit, retries_done[0])
|
|
if containers_listed - distinct_partitions:
|
|
print 'There were %d overlapping partitions' % (
|
|
containers_listed - distinct_partitions)
|
|
for missing_copies, num_parts in container_copies_missing.items():
|
|
print missing_string(num_parts, missing_copies,
|
|
container_ring.replica_count)
|
|
print '%.02f%% of container copies found (%d of %d)' % (
|
|
value, copies_found, copies_expected)
|
|
print 'Sample represents %.02f%% of the container partition space' % (
|
|
100.0 * distinct_partitions / container_ring.partition_count)
|
|
stdout.flush()
|
|
return None
|
|
else:
|
|
results = {'retries': retries_done[0],
|
|
'overlapping': containers_listed - distinct_partitions,
|
|
'pct_found': value,
|
|
'copies_found': copies_found,
|
|
'copies_expected': copies_expected}
|
|
for missing_copies, num_parts in container_copies_missing.items():
|
|
results['missing_%d' % (missing_copies)] = num_parts
|
|
return results
|
|
|
|
|
|
def object_dispersion_report(coropool, connpool, account, object_ring,
|
|
retries, output_missing_partitions, policy):
|
|
container = 'dispersion_objects_%d' % policy.idx
|
|
with connpool.item() as conn:
|
|
try:
|
|
objects = [o['name'] for o in conn.get_container(
|
|
container, prefix='dispersion_', full_listing=True)[1]]
|
|
except urllib2.HTTPError as err:
|
|
if err.getcode() != 404:
|
|
raise
|
|
|
|
print >>stderr, 'No objects to query. Has ' \
|
|
'swift-dispersion-populate been run?'
|
|
stderr.flush()
|
|
return
|
|
objects_listed = len(objects)
|
|
if not objects_listed:
|
|
print >>stderr, 'No objects to query. Has swift-dispersion-populate ' \
|
|
'been run?'
|
|
stderr.flush()
|
|
return
|
|
retries_done = [0]
|
|
objects_queried = [0]
|
|
object_copies_found = [0]
|
|
object_copies_expected = [0]
|
|
object_copies_missing = defaultdict(int)
|
|
begun = time()
|
|
next_report = [time() + 2]
|
|
|
|
headers = None
|
|
if policy is not None:
|
|
headers = {}
|
|
headers['X-Backend-Storage-Policy-Index'] = int(policy)
|
|
|
|
def direct(obj, part, nodes):
|
|
found_count = 0
|
|
for node in nodes:
|
|
error_log = get_error_log('%(ip)s:%(port)s/%(device)s' % node)
|
|
try:
|
|
attempts, _junk = direct_client.retry(
|
|
direct_client.direct_head_object, node, part, account,
|
|
container, obj, error_log=error_log, retries=retries,
|
|
headers=headers)
|
|
retries_done[0] += attempts - 1
|
|
found_count += 1
|
|
except ClientException as err:
|
|
if err.http_status not in (404, 507):
|
|
error_log('Giving up on /%s/%s/%s/%s: %s' % (part, account,
|
|
container, obj, err))
|
|
except (Exception, Timeout) as err:
|
|
error_log('Giving up on /%s/%s/%s/%s: %s' % (part, account,
|
|
container, obj, err))
|
|
if output_missing_partitions and \
|
|
found_count < len(nodes):
|
|
missing = len(nodes) - found_count
|
|
print '\r\x1B[K',
|
|
stdout.flush()
|
|
print >>stderr, '# Object partition %s missing %s cop%s' % (
|
|
part, missing, 'y' if missing == 1 else 'ies')
|
|
object_copies_found[0] += found_count
|
|
object_copies_missing[len(nodes) - found_count] += 1
|
|
objects_queried[0] += 1
|
|
if time() >= next_report[0]:
|
|
next_report[0] = time() + 5
|
|
eta, eta_unit = compute_eta(begun, objects_queried[0],
|
|
objects_listed)
|
|
if not json_output:
|
|
print '\r\x1B[KQuerying objects: %d of %d, %d%s left, %d ' \
|
|
'retries' % (objects_queried[0], objects_listed,
|
|
round(eta), eta_unit, retries_done[0]),
|
|
stdout.flush()
|
|
object_parts = {}
|
|
for obj in objects:
|
|
part, nodes = object_ring.get_nodes(account, container, obj)
|
|
if part not in object_parts:
|
|
object_copies_expected[0] += len(nodes)
|
|
object_parts[part] = part
|
|
coropool.spawn(direct, obj, part, nodes)
|
|
coropool.waitall()
|
|
distinct_partitions = len(object_parts)
|
|
copies_found = object_copies_found[0]
|
|
copies_expected = object_copies_expected[0]
|
|
value = 100.0 * copies_found / copies_expected
|
|
elapsed, elapsed_unit = get_time_units(time() - begun)
|
|
if not json_output:
|
|
print '\r\x1B[KQueried %d objects for dispersion reporting, ' \
|
|
'%d%s, %d retries' % (objects_listed, round(elapsed),
|
|
elapsed_unit, retries_done[0])
|
|
if objects_listed - distinct_partitions:
|
|
print 'There were %d overlapping partitions' % (
|
|
objects_listed - distinct_partitions)
|
|
|
|
for missing_copies, num_parts in object_copies_missing.items():
|
|
print missing_string(num_parts, missing_copies,
|
|
object_ring.replica_count)
|
|
|
|
print '%.02f%% of object copies found (%d of %d)' % \
|
|
(value, copies_found, copies_expected)
|
|
print 'Sample represents %.02f%% of the object partition space' % (
|
|
100.0 * distinct_partitions / object_ring.partition_count)
|
|
stdout.flush()
|
|
return None
|
|
else:
|
|
results = {'retries': retries_done[0],
|
|
'overlapping': objects_listed - distinct_partitions,
|
|
'pct_found': value,
|
|
'copies_found': copies_found,
|
|
'copies_expected': copies_expected}
|
|
|
|
for missing_copies, num_parts in object_copies_missing.items():
|
|
results['missing_%d' % (missing_copies,)] = num_parts
|
|
return results
|
|
|
|
|
|
def missing_string(partition_count, missing_copies, copy_count):
|
|
exclamations = ''
|
|
missing_string = str(missing_copies)
|
|
if missing_copies == copy_count:
|
|
exclamations = '!!! '
|
|
missing_string = 'all'
|
|
elif copy_count - missing_copies == 1:
|
|
exclamations = '! '
|
|
|
|
verb_string = 'was'
|
|
partition_string = 'partition'
|
|
if partition_count > 1:
|
|
verb_string = 'were'
|
|
partition_string = 'partitions'
|
|
|
|
copy_string = 'copies'
|
|
if missing_copies == 1:
|
|
copy_string = 'copy'
|
|
|
|
return '%sThere %s %d %s missing %s %s.' % (
|
|
exclamations, verb_string, partition_count, partition_string,
|
|
missing_string, copy_string
|
|
)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
patcher.monkey_patch()
|
|
hubs.get_hub().debug_exceptions = False
|
|
|
|
conffile = '/etc/swift/dispersion.conf'
|
|
|
|
parser = OptionParser(usage='''
|
|
Usage: %%prog [options] [conf_file]
|
|
|
|
[conf_file] defaults to %s'''.strip() % conffile)
|
|
parser.add_option('-j', '--dump-json', action='store_true', default=False,
|
|
help='dump dispersion report in json format')
|
|
parser.add_option('-d', '--debug', action='store_true', default=False,
|
|
help='print 404s to standard error')
|
|
parser.add_option('-p', '--partitions', action='store_true', default=False,
|
|
help='print missing partitions to standard error')
|
|
parser.add_option('--container-only', action='store_true', default=False,
|
|
help='Only run container report')
|
|
parser.add_option('--object-only', action='store_true', default=False,
|
|
help='Only run object report')
|
|
parser.add_option('--insecure', action='store_true', default=False,
|
|
help='Allow accessing insecure keystone server. '
|
|
'The keystone\'s certificate will not be verified.')
|
|
parser.add_option('-P', '--policy-name', dest='policy_name',
|
|
help="Specify storage policy name")
|
|
|
|
options, args = parser.parse_args()
|
|
|
|
if args:
|
|
conffile = args.pop(0)
|
|
|
|
c = ConfigParser()
|
|
if not c.read(conffile):
|
|
exit('Unable to read config file: %s' % conffile)
|
|
conf = dict(c.items('dispersion'))
|
|
|
|
if options.policy_name is None:
|
|
policy = POLICIES.default
|
|
else:
|
|
policy = POLICIES.get_by_name(options.policy_name)
|
|
if policy is None:
|
|
exit('Unable to find policy: %s' % options.policy_name)
|
|
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'))
|
|
if options.dump_json or config_true_value(conf.get('dump_json', 'no')):
|
|
json_output = True
|
|
container_report = config_true_value(conf.get('container_report', 'yes')) \
|
|
and not options.object_only
|
|
object_report = config_true_value(conf.get('object_report', 'yes')) \
|
|
and not options.container_only
|
|
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 = options.insecure \
|
|
or config_true_value(conf.get('keystone_api_insecure', 'no'))
|
|
if options.debug:
|
|
debug = True
|
|
|
|
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
|
|
|
|
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,
|
|
options.partitions, policy)
|
|
if object_report:
|
|
output['object'] = object_dispersion_report(
|
|
coropool, connpool, account, object_ring, retries,
|
|
options.partitions, policy)
|
|
if json_output:
|
|
print json.dumps(output)
|