/usr/share/pyshared/radosgw_agent/cli.py is in radosgw-agent 1.1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import argparse
import contextlib
import logging
import yaml
import sys
from radosgw_agent import client
from radosgw_agent import sync
def check_positive_int(string):
value = int(string)
if value < 1:
msg = '%r is not a positive integer' % string
raise argparse.ArgumentTypeError(msg)
return value
def check_endpoint(endpoint):
try:
return client.parse_endpoint(endpoint)
except client.InvalidProtocol as e:
raise argparse.ArgumentTypeError(str(e))
except client.InvalidHost as e:
raise argparse.ArgumentTypeError(str(e))
def parse_args():
conf_parser = argparse.ArgumentParser(add_help=False)
conf_parser.add_argument(
'-c', '--conf',
type=file,
help='configuration file'
)
args, remaining = conf_parser.parse_known_args()
defaults = dict(
sync_scope='incremental',
log_lock_time=20,
)
if args.conf is not None:
with contextlib.closing(args.conf):
config = yaml.safe_load_all(args.conf)
for new in config:
defaults.update(new)
parser = argparse.ArgumentParser(
parents=[conf_parser],
description='Synchronize radosgw installations',
)
parser.set_defaults(**defaults)
verbosity = parser.add_mutually_exclusive_group(required=False)
verbosity.add_argument(
'-v', '--verbose',
action='store_true', dest='verbose',
help='be more verbose',
)
verbosity.add_argument(
'-q', '--quiet',
action='store_true', dest='quiet',
help='be less verbose',
)
parser.add_argument(
'--src-access-key',
required='src_access_key' not in defaults,
help='access key for source zone system user',
)
parser.add_argument(
'--src-secret-key',
required='src_secret_key' not in defaults,
help='secret key for source zone system user',
)
parser.add_argument(
'--dest-access-key',
required='dest_access_key' not in defaults,
help='access key for destination zone system user',
)
parser.add_argument(
'--dest-secret-key',
required='dest_secret_key' not in defaults,
help='secret key for destination zone system user',
)
parser.add_argument(
'destination',
type=check_endpoint,
nargs=None if 'destination' not in defaults else '?',
help='radosgw endpoint to which to sync '
'(e.g. http://zone2.example.org:8080)',
)
src_options = parser.add_mutually_exclusive_group(required=False)
src_options.add_argument(
'--source',
type=check_endpoint,
help='radosgw endpoint from which to sync '
'(e.g. http://zone1.example.org:8080)',
)
src_options.add_argument(
'--src-zone',
help='radosgw zone from which to sync',
)
parser.add_argument(
'--metadata-only',
action='store_true',
help='sync bucket and user metadata, but not bucket contents',
)
parser.add_argument(
'--num-workers',
default=1,
type=check_positive_int,
help='number of items to sync at once',
)
parser.add_argument(
'--sync-scope',
choices=['full', 'incremental'],
default='incremental',
help='synchronize everything (for a new region) or only things that '
'have changed since the last run',
)
parser.add_argument(
'--lock-timeout',
type=check_positive_int,
default=60,
help='timeout in seconds after which a log segment lock will expire if '
'not refreshed',
)
parser.add_argument(
'--log-file',
help='where to store log output',
)
parser.add_argument(
'--max-entries',
type=check_positive_int,
default=1000,
help='maximum number of log entries to process at once during '
'continuous sync',
)
parser.add_argument(
'--incremental-sync-delay',
type=check_positive_int,
default=30,
help='seconds to wait between syncs',
)
parser.add_argument(
'--object-sync-timeout',
type=check_positive_int,
default=60 * 60 * 60,
help='seconds to wait for an individual object to sync before '
'assuming failure',
)
parser.add_argument(
'--prepare-error-delay',
type=check_positive_int,
default=10,
help='seconds to wait before retrying when preparing '
'an incremental sync fails',
)
parser.add_argument(
'--rgw-data-log-window',
type=check_positive_int,
default=30,
help='period until a data log entry is valid - '
'must match radosgw configuration',
)
parser.add_argument(
'--test-server-host',
# host to run a simple http server for testing the sync agent on,
help=argparse.SUPPRESS,
)
parser.add_argument(
'--test-server-port',
# port to run a simple http server for testing the sync agent on,
type=check_positive_int,
default=8080,
help=argparse.SUPPRESS,
)
return parser.parse_args(remaining)
class TestHandler(BaseHTTPRequestHandler):
"""HTTP handler for testing radosgw-agent.
This should never be used outside of testing.
"""
num_workers = None
lock_timeout = None
max_entries = None
rgw_data_log_window = 30
src = None
dest = None
def do_POST(self):
log = logging.getLogger(__name__)
status = 200
resp = ''
sync_cls = None
if self.path.startswith('/metadata/full'):
sync_cls = sync.MetaSyncerFull
elif self.path.startswith('/metadata/incremental'):
sync_cls = sync.MetaSyncerInc
elif self.path.startswith('/data/full'):
sync_cls = sync.DataSyncerFull
elif self.path.startswith('/data/incremental'):
sync_cls = sync.DataSyncerInc
else:
log.warn('invalid request, ignoring')
status = 400
resp = 'bad path'
try:
if sync_cls is not None:
syncer = sync_cls(TestHandler.src, TestHandler.dest,
TestHandler.max_entries,
rgw_data_log_window=TestHandler.rgw_data_log_window,
object_sync_timeout=TestHandler.object_sync_timeout)
syncer.prepare()
syncer.sync(
TestHandler.num_workers,
TestHandler.lock_timeout,
)
except Exception as e:
log.exception('error during sync')
status = 500
resp = str(e)
self.log_request(status, len(resp))
if status >= 400:
self.send_error(status, resp)
else:
self.send_response(status)
self.end_headers()
def main():
args = parse_args()
log = logging.getLogger()
log_level = logging.INFO
lib_log_level = logging.WARN
if args.verbose:
log_level = logging.DEBUG
lib_log_level = logging.DEBUG
elif args.quiet:
log_level = logging.WARN
logging.basicConfig(level=log_level)
logging.getLogger('boto').setLevel(lib_log_level)
logging.getLogger('requests').setLevel(lib_log_level)
if args.log_file is not None:
handler = logging.FileHandler(
filename=args.log_file,
)
formatter = logging.Formatter(
fmt='%(asctime)s.%(msecs)03d %(process)d:%(levelname)s:%(name)s:%(message)s',
datefmt='%Y-%m-%dT%H:%M:%S',
)
handler.setFormatter(formatter)
logging.getLogger().addHandler(handler)
dest = args.destination
dest.access_key = args.dest_access_key
dest.secret_key = args.dest_secret_key
src = args.source or client.Endpoint(None, None, None)
if args.src_zone:
src.zone = args.src_zone
dest_conn = client.connection(dest)
try:
region_map = client.get_region_map(dest_conn)
except Exception:
log.exception('Could not retrieve region map from destination')
sys.exit(1)
try:
client.configure_endpoints(region_map, dest, src, args.metadata_only)
except client.ClientException as e:
log.error(e)
sys.exit(1)
src.access_key = args.src_access_key
src.secret_key = args.src_secret_key
if args.test_server_host:
log.warn('TEST MODE - do not run unless you are testing this program')
TestHandler.src = src
TestHandler.dest = dest
TestHandler.num_workers = args.num_workers
TestHandler.lock_timeout = args.lock_timeout
TestHandler.max_entries = args.max_entries
TestHandler.rgw_data_log_window = args.rgw_data_log_window
TestHandler.object_sync_timeout = args.object_sync_timeout
server = HTTPServer((args.test_server_host, args.test_server_port),
TestHandler)
server.serve_forever()
sys.exit()
if args.sync_scope == 'full':
meta_cls = sync.MetaSyncerFull
data_cls = sync.DataSyncerFull
else:
meta_cls = sync.MetaSyncerInc
data_cls = sync.DataSyncerInc
meta_syncer = meta_cls(src, dest, args.max_entries)
data_syncer = data_cls(src, dest, args.max_entries,
rgw_data_log_window=args.rgw_data_log_window,
object_sync_timeout=args.object_sync_timeout)
# fetch logs first since data logs need to wait before becoming usable
# due to rgw's window of data log updates during which the bucket index
# log may still be updated without the data log getting a new entry for
# the bucket
sync.prepare_sync(meta_syncer, args.prepare_error_delay)
if not args.metadata_only:
sync.prepare_sync(data_syncer, args.prepare_error_delay)
if args.sync_scope == 'full':
log.info('syncing all metadata')
meta_syncer.sync(args.num_workers, args.lock_timeout)
if not args.metadata_only:
log.info('syncing all data')
data_syncer.sync(args.num_workers, args.lock_timeout)
log.info('Finished full sync. Check logs to see any issues that '
'incremental sync will retry.')
else:
sync.incremental_sync(meta_syncer, data_syncer,
args.num_workers,
args.lock_timeout,
args.incremental_sync_delay,
args.metadata_only,
args.prepare_error_delay)
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