def main(options, args):
if len(args) > 1:
raise ValueError("Too many arguments passed: {0}, expected: 1".format(len(args)))
elif len(args) == 0:
raise ValueError("Please specify one of following types: {0}".format(ALLOWED_TYPES))
if args[0].lower() not in ALLOWED_TYPES:
raise ValueError("Unknown type: '{0}', allowed: {1}".format(args[0], ALLOWED_TYPES))
recovery_type = args[0].lower()
log.info("Initializing context")
ctx = Ctx()
ctx.dry_run = options.dry_run
ctx.safe = options.safe
ctx.one_node = bool(options.one_node)
ctx.custom_recover = options.custom_recover
ctx.no_meta = options.no_meta and (options.timestamp is None)
ctx.no_server_send = options.no_server_send
ctx.user_flags_set = frozenset(int(user_flags) for user_flags in options.user_flags_set)
try:
ctx.trace_id = int(options.trace_id, 16)
except Exception as e:
raise ValueError("Can't parse -T/--trace-id: '{0}': {1}, traceback: {2}"
.format(options.trace_id, repr(e), traceback.format_exc()))
if ctx.custom_recover:
ctx.custom_recover = os.path.abspath(ctx.custom_recover)
if options.dump_file:
ctx.dump_file = os.path.abspath(options.dump_file)
if not os.path.exists(ctx.dump_file):
raise ValueError('Dump file:`{}` does not exists'.format(options.dump_file))
else:
ctx.dump_file = None
try:
ctx.data_flow_rate = int(options.data_flow_rate) * 1024 * 1024
except Exception as e:
raise ValueError("Can't parse data_flow_rate: '{0}': {1}"
.format(options.data_flow_rate), repr(e))
try:
ctx.chunk_size = int(options.chunk_size)
except Exception as e:
raise ValueError("Can't parse chunk_size: '{0}': {1}, traceback: {2}"
.format(options.chunk_size, repr(e), traceback.format_exc()))
ctx.tmp_dir = options.tmp_dir.replace('%TYPE%', recovery_type)
if not os.path.exists(ctx.tmp_dir):
try:
os.makedirs(ctx.tmp_dir, 0755)
log.warning("Created tmp directory: {0}".format(ctx.tmp_dir))
except Exception as e:
raise ValueError("Directory: {0} does not exist and could not be created: {1}, traceback: {2}"
.format(ctx.tmp_dir, repr(e), traceback.format_exc()))
init_dir = os.getcwd()
os.chdir(ctx.tmp_dir)
log.info("Using tmp directory: {0}".format(ctx.tmp_dir))
try:
ctx.log_file = os.path.join(ctx.tmp_dir, options.elliptics_log)
try:
ctx.log_level = int(options.elliptics_log_level)
except:
ctx.log_level = options.elliptics_log_level
if isinstance(ctx.log_level, int):
ctx.log_level = elliptics.log_level.values[ctx.log_level]
else:
ctx.log_level = elliptics.log_level.names[ctx.log_level]
ctx.dump_keys = options.dump_keys
# FIXME: It may be inappropriate to use one log for both
# elliptics library and python app, esp. in presence of auto-rotation
fh = logging.handlers.WatchedFileHandler(ctx.log_file)
fh.setFormatter(formatter)
fh.setLevel(convert_elliptics_log_level(ctx.log_level))
log.addHandler(fh)
log.setLevel(convert_elliptics_log_level(ctx.log_level))
if options.debug:
ch.setLevel(logging.DEBUG)
log.setLevel(logging.DEBUG)
except Exception as e:
raise ValueError("Can't parse log_level: '{0}': {1}, traceback: {2}"
.format(options.elliptics_log_level, repr(e), traceback.format_exc()))
log.info("Using elliptics client log level: {0}".format(ctx.log_level))
try:
if options.lock:
import fcntl
ctx.lockfd = os.open(os.path.join(ctx.tmp_dir, options.lock), os.O_TRUNC | os.O_CREAT | os.O_RDWR)
fcntl.flock(ctx.lockfd, fcntl.LOCK_EX | fcntl.LOCK_NB)
log.info("Using lock file: {0}".format(options.lock))
else:
log.info("Not using lock file")
except Exception as e:
raise RuntimeError("Can't grab lock on: '{0}': {1}, traceback: {2}"
.format(options.lock, repr(e), traceback.format_exc()))
if not options.remotes and not ctx.one_node:
raise ValueError("At least one Elliptics node address should be given (-r option or -o).")
ctx.remotes = []
for remote in options.remotes:
try:
ctx.remotes.append(elliptics.Address.from_host_port_family(remote))
except Exception as e:
raise ValueError("Can't parse host:port:family: '{0}': {1}, traceback: {2}"
.format(remote, repr(e), traceback.format_exc()))
ctx.backend_id = None
# if one_node mode is on then use his address as a main otherwise use first from remotes
if ctx.one_node:
try:
ctx.address = elliptics.Address.from_host_port_family(options.one_node)
except Exception as e:
raise ValueError("Can't parse host:port:family: '{0}': {1}, traceback: {2}"
.format(options.one_node, repr(e), traceback.format_exc()))
try:
if options.backend_id is not None:
ctx.backend_id = int(options.backend_id)
except Exception as e:
raise ValueError("Can't parse backend_id: '{0}': {1}, traceback: {2}"
.format(options.backend_id, repr(e), traceback.format_exc()))
elif ctx.remotes:
ctx.address = ctx.remotes[0]
log.info("Using host:port:family: {0}".format(ctx.address))
try:
if options.elliptics_groups:
ctx.groups = map(int, options.elliptics_groups.split(','))
else:
ctx.groups = None
except Exception as e:
raise ValueError("Can't parse grouplist: '{0}': {1}, traceback: {2}"
.format(options.elliptics_groups, repr(e), traceback.format_exc()))
if not ctx.groups:
raise ValueError("No group was specified")
log.info("Using group list: {0}".format(ctx.groups))
try:
if options.ro_groups:
ctx.ro_groups = set(map(int, options.ro_groups.split(',')))
else:
ctx.ro_groups = set()
except Exception as e:
raise ValueError("Can't parse --ro-groups: '{}': {}, traceback: {}"
.format(options.ro_groups, repr(e), traceback.format_exc()))
log.info('Using ro_groups: %s', ctx.ro_groups)
try:
if options.timestamp is None:
options.timestamp = 0
ctx.timestamp = Time.from_epoch(options.timestamp)
except Exception:
try:
ctx.timestamp = Time.from_string(options.timestamp)
except Exception as e:
raise ValueError("Can't parse timestamp: '{0}': {1}, traceback: {2}"
.format(options.timestamp, repr(e), traceback.format_exc()))
log.info("Using timestamp: {0}".format(ctx.timestamp))
try:
ctx.batch_size = int(options.batch_size)
if ctx.batch_size <= 0:
raise ValueError("Batch size should be positive: {0}".format(ctx.batch_size))
except Exception as e:
raise ValueError("Can't parse batch_size: '{0}': {1}, traceback: {2}"
.format(options.batch_size, repr(e), traceback.format_exc()))
log.info("Using batch_size: {0}".format(ctx.batch_size))
try:
ctx.nprocess = int(options.nprocess)
if ctx.nprocess <= 0:
raise ValueError("Number of processes should be positive: {0}".format(ctx.nprocess))
except Exception as e:
raise ValueError("Can't parse nprocess: '{0}': {1}, traceback: {2}"
.format(options.nprocess, repr(e), traceback.format_exc()))
try:
ctx.attempts = int(options.attempts)
if ctx.attempts <= 0:
raise ValueError("Number of attempts should be positive: {0}".format(ctx.attempts))
except Exception as e:
raise ValueError("Can't parse attempts: '{0}': {1}, traceback: {2}"
.format(options.attempts, repr(e), traceback.format_exc()))
if options.stat not in ALLOWED_STAT_FORMATS:
raise ValueError("Unknown statistics output format: '{}'. Available formats are: {}"
.format(options.stat, ALLOWED_STAT_FORMATS))
try:
if options.monitor_port:
base_url = 'http://{0}:{1}'.format(socket.getfqdn(), options.monitor_port)
log.warning("Stats can be monitored via: %s/%s", base_url, "stats.txt")
log.warning("Log can be viewed via: %s/%s", base_url, options.elliptics_log)
except Exception:
pass
try:
ctx.wait_timeout = int(options.wait_timeout)
except Exception as e:
raise ValueError("Can't parse wait_timeout: '{0}': {1}, traceback: {2}"
.format(options.wait_timeout, repr(e), traceback.format_exc()))
ctx.iteration_timeout = options.iteration_timeout
ctx.chunk_write_timeout = options.chunk_write_timeout
ctx.chunk_commit_timeout = options.chunk_commit_timeout
try:
ctx.prepare_timeout = Time.from_epoch(options.prepare_timeout)
except Exception as e:
try:
ctx.prepare_timeout = Time.from_string(options.prepare_timeout).time
except Exception as e:
raise ValueError("Can't parse prepare_timeout: '{0}': {1}, traceback: {2}"
.format(options.wait_timeout, repr(e), traceback.format_exc()))
log.info("Using timeout: {0} for uncommitted records".format(ctx.prepare_timeout))
try:
log.info("Starting cleanup...")
cleanup(ctx.tmp_dir)
except Exception as e:
log.error("Cleanup failed: {0}, traceback: {1}"
.format(repr(e), traceback.format_exc()))
ctx.corrupted_keys = open(os.path.join(ctx.tmp_dir, 'corrupted_keys'), 'w')
log.info("Initializing monitor")
with Monitor(port=options.monitor_port, stat_format=options.stat, path=ctx.tmp_dir) as monitor:
ctx.stats = monitor.stats
log.debug("Using following context:\n%s", ctx)
ctx.routes = get_routes(ctx)
log.debug("Parsed routing table:\n%s", ctx.routes)
if not ctx.routes:
ctx.stats.attribute('unavailable_groups', list(ctx.groups))
raise RuntimeError("No routes was parsed from session")
log.debug("Total routes: %s", len(ctx.routes))
unavailable_groups = set(ctx.groups) - set(ctx.routes.groups())
if unavailable_groups:
ctx.stats.attribute('unavailable_groups', list(unavailable_groups))
raise RuntimeError("Not all specified groups({}) are presented in route-list({}). Unavailable groups: {}"
.format(ctx.groups, ctx.routes.groups(), unavailable_groups))
try:
log.info("Creating pool of processes: %d", ctx.nprocess)
ctx.pool = Pool(processes=ctx.nprocess, initializer=worker_init)
if recovery_type == TYPE_MERGE:
if ctx.dump_file:
from elliptics_recovery.types.merge import dump_main
result = dump_main(ctx)
else:
from elliptics_recovery.types.merge import main
result = main(ctx)
elif recovery_type == TYPE_DC:
if ctx.dump_file:
from elliptics_recovery.types.dc import dump_main
result = dump_main(ctx)
else:
from elliptics_recovery.types.dc import main
result = main(ctx)
ctx.pool.close()
ctx.pool.terminate()
ctx.pool.join()
except Exception:
log.exception("Recovering failed")
ctx.pool.terminate()
ctx.pool.join()
result = False
rc = int(not result)
log.info("Finished with rc: %s", rc)
ctx.stats.counter('result', rc)
if options.no_exit:
raw_input("Press Enter to exit!")
ctx.corrupted_keys.close()
os.chdir(init_dir)
return rc
