def _take_action(self, parsed_args):
import zookeeper
from oio.zk.client import get_meta0_paths, get_connected_handles
self.logger.debug("Checking meta0 services")
# TODO: tcp touch to the meta0 services
# check they are registered in the ZK
for zh in get_connected_handles(self.zookeeper()):
for p in get_meta0_paths(zh, self.app.options.ns):
try:
registered = set()
for n in zookeeper.get_children(zh.get(), p):
v, m = zookeeper.get(zh.get(), p + '/' + n)
registered.add(v)
known = set()
for t, i, p, s in self.filter_services(
self.catalog, 'meta0'):
known.add('%s:%d' % (i, p))
self.logger.info("meta0 known=%d zk_registered=%d",
len(known), len(registered))
assert registered == known
except Exception as ex:
self.logger.exception(
"Failed to list the meta0 services "
"from zookeeper: %s", ex)
finally:
zh.close()
yield ('OK', None)
def _take_action(self, parsed_args):
from oio.zk.client import get_meta0_paths, get_connected_handles
self.logger.debug("Checking meta0 services")
# TODO: tcp touch to the meta0 services
# check they are registered in the ZK
for zh in get_connected_handles(self.zookeeper(), logger=self.logger):
for path in get_meta0_paths(zh, self.app.options.ns):
try:
zk_registered = set()
for node in zh.get().get_children(path):
addr, _ = zh.get().get(path + '/' + node)
if addr is not None:
addr = addr.decode('utf-8')
zk_registered.add(addr)
known = set()
for _, host, port, score in self.filter_services(
self.catalog, 'meta0'):
if score == 0:
self.success = False
yield ('Warn', '%s:%d is down' % (host, port))
known.add('%s:%d' % (host, port))
self.logger.info("meta0 known=%d zk_registered=%d",
len(known), len(zk_registered))
for item in zk_registered - known:
self.success = False
yield ('Error', '%s unknown but present in zk' % item)
for item in known - zk_registered:
self.success = False
yield ('Error',
'%s known but not present in zk' % item)
except Exception as ex:
self.success = False
yield ('Error', "Failed to list the meta0 services "
"from zookeeper: %s" % ex)
finally:
zh.close()
if self.success:
yield ('OK', None)