#!/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 traceback from ConfigParser import ConfigParser from cStringIO import StringIO from optparse import OptionParser from sys import exit, stdout from time import time from eventlet import GreenPool, patcher, sleep from eventlet.pools import Pool from swiftclient import Connection, get_auth from swift.common.ring import Ring from swift.common.utils import compute_eta, get_time_units, config_true_value insecure = False def put_container(connpool, container, report): global retries_done try: with connpool.item() as conn: conn.put_container(container) retries_done += conn.attempts - 1 if report: report(True) except Exception: if report: report(False) raise def put_object(connpool, container, obj, report): global retries_done try: with connpool.item() as conn: conn.put_object(container, obj, StringIO(obj), headers={'x-object-meta-dispersion': obj}) retries_done += conn.attempts - 1 if report: report(True) except Exception: if report: report(False) raise def report(success): global begun, created, item_type, next_report, need_to_create, retries_done if not success: traceback.print_exc() exit('Gave up due to error(s).') created += 1 if time() < next_report: return next_report = time() + 5 eta, eta_unit = compute_eta(begun, created, need_to_create) print '\r\x1B[KCreating %s: %d of %d, %d%s left, %d retries' % (item_type, created, need_to_create, round(eta), eta_unit, retries_done), stdout.flush() if __name__ == '__main__': global begun, created, item_type, next_report, need_to_create, retries_done patcher.monkey_patch() conffile = '/etc/swift/dispersion.conf' parser = OptionParser(usage=''' Usage: %%prog [options] [conf_file] [conf_file] defaults to %s'''.strip() % conffile) parser.add_option('--container-only', action='store_true', default=False, help='Only run container population') parser.add_option('--object-only', action='store_true', default=False, help='Only run object population') parser.add_option('--container-suffix-start', type=int, default=0, help='container suffix start value, defaults to 0') parser.add_option('--object-suffix-start', type=int, default=0, help='object suffix start value, defaults to 0') parser.add_option('--insecure', action='store_true', default=False, help='Allow accessing insecure keystone server. ' 'The keystone\'s certificate will not be verified.') 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')) swift_dir = conf.get('swift_dir', '/etc/swift') dispersion_coverage = float(conf.get('dispersion_coverage', 1)) retries = int(conf.get('retries', 5)) concurrency = int(conf.get('concurrency', 25)) endpoint_type = str(conf.get('endpoint_type', 'publicURL')) insecure = options.insecure \ or config_true_value(conf.get('keystone_api_insecure', 'no')) container_populate = config_true_value( conf.get('container_populate', 'yes')) and not options.object_only object_populate = config_true_value( conf.get('object_populate', 'yes')) and not options.container_only if not (object_populate or container_populate): exit("Neither container or object populate is set to run") coropool = GreenPool(size=concurrency) retries_done = 0 os_options = {'endpoint_type': endpoint_type} 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: Connection(conf['auth_url'], conf['auth_user'], conf['auth_key'], retries=retries, preauthurl=url, preauthtoken=token, os_options=os_options, insecure=insecure) if container_populate: container_ring = Ring(swift_dir, ring_name='container') parts_left = dict((x, x) for x in xrange(container_ring.partition_count)) item_type = 'containers' created = 0 retries_done = 0 need_to_create = need_to_queue = \ dispersion_coverage / 100.0 * container_ring.partition_count begun = next_report = time() next_report += 2 suffix = 0 while need_to_queue >= 1: container = 'dispersion_%d' % suffix part, _junk = container_ring.get_nodes(account, container) if part in parts_left: if suffix >= options.container_suffix_start: coropool.spawn(put_container, connpool, container, report) sleep() else: report(True) del parts_left[part] need_to_queue -= 1 suffix += 1 coropool.waitall() elapsed, elapsed_unit = get_time_units(time() - begun) print '\r\x1B[KCreated %d containers for dispersion reporting, ' \ '%d%s, %d retries' % \ (need_to_create, round(elapsed), elapsed_unit, retries_done) stdout.flush() if object_populate: container = 'dispersion_objects' put_container(connpool, container, None) object_ring = Ring(swift_dir, ring_name='object') parts_left = dict((x, x) for x in xrange(object_ring.partition_count)) item_type = 'objects' created = 0 retries_done = 0 need_to_create = need_to_queue = \ dispersion_coverage / 100.0 * object_ring.partition_count begun = next_report = time() next_report += 2 suffix = 0 while need_to_queue >= 1: obj = 'dispersion_%d' % suffix part, _junk = object_ring.get_nodes(account, container, obj) if part in parts_left: if suffix >= options.object_suffix_start: coropool.spawn( put_object, connpool, container, obj, report) sleep() else: report(True) del parts_left[part] need_to_queue -= 1 suffix += 1 coropool.waitall() elapsed, elapsed_unit = get_time_units(time() - begun) print '\r\x1B[KCreated %d objects for dispersion reporting, ' \ '%d%s, %d retries' % \ (need_to_create, round(elapsed), elapsed_unit, retries_done) stdout.flush()