def run(self):
while not self.stop_event.wait(self.interval):
try:
if self.stop_event.is_set():
break
self.func(*self.args, **self.kwargs)
except Exception, e:
ec_logger.exception(traceback.format_exc())
if break_on_err:
break
def __init__(self, endpoint, timeout=None):
self.version = -1
self.servers = []
try:
host, port = endpoint.split(':')
telnet = Telnet(host, port, timeout)
telnet.write('version\n')
ret = telnet.read_until('\r\n', timeout)
ec_logger.debug('version: %s', ret)
version_info = ret.split(' ')
if len(version_info) != 2 or version_info[0] != 'VERSION':
raise ElasticacheInvalidTelentReplyError(ret)
version = version_info[1][0:-2]
if StrictVersion(version) >= StrictVersion('1.4.14'):
cmd = 'config get cluster\n'
else:
cmd = 'get AmazonElastiCache:cluster\n'
telnet.write(cmd)
ret = telnet.read_until('END\r\n', timeout)
telnet.close()
ec_logger.debug('config: %s', ret)
splitter = re.compile(r'\r?\n')
cluster = splitter.split(ret)
if len(cluster) != 6 or cluster[4][0:3] != 'END':
raise ElasticacheInvalidTelentReplyError(ret)
self.version = cluster[1]
nodes = cluster[2].split(' ')
for node in nodes:
info = node.split('|')
if len(info) != 3:
raise ElasticacheInvalidTelentReplyError(ret)
self.servers.append(info[1] + ':' + info[2])
except:
self.servers.append(endpoint)
ec_logger.exception(traceback.format_exc())
def detect_cluster(self):
try:
cluster = Cluster(self.endpoint, self.autodiscovery_timeout)
except Exception, e:
ec_logger.exception(traceback.format_exc())
return
