def __init__(self, endpoint, autodiscovery_timeout=10, autodiscovery_interval=60, *args, **kwargs):
"""
Create a new Client object, and launch a timer for the object.
@param endpoint: String
something like: test.lwgyhw.cfg.usw2.cache.amazonaws.com:11211
@autodiscovery_timeout: Number
Secondes for socket connection timeout when do autodiscovery
@autodiscovery_interval: Number
Seconds interval for check cluster status
@client_debug: String
A file name, if set, will write debug message to that file
All Other parameters will be passed to python-memcached
"""
self.endpoint = endpoint
self.autodiscovery_timeout = autodiscovery_timeout
elasticache_logger.debug("endpoint: %s" % endpoint)
self.cluster = Cluster(endpoint, autodiscovery_timeout)
self.ring = MemcacheRing(self.cluster.servers, *args, **kwargs)
self.need_update = False
self.lock = Lock()
self.timer = RepeatTimer("autodiscovery", autodiscovery_interval, self._update)
self.timer.start()
def __init__(self,
endpoint,
autodiscovery_timeout=10,
autodiscovery_interval=60,
*args,
**kwargs):
"""
Create a new Client object, and launch a timer for the object.
@param endpoint: String
something like: test.lwgyhw.cfg.usw2.cache.amazonaws.com:11211
@autodiscovery_timeout: Number
Secondes for socket connection timeout when do autodiscovery
@autodiscovery_interval: Number
Seconds interval for check cluster status
@client_debug: String
A file name, if set, will write debug message to that file
All Other parameters will be passed to python-memcached
"""
self.endpoint = endpoint
self.autodiscovery_timeout = autodiscovery_timeout
elasticache_logger.debug('endpoint: %s' % endpoint)
self.cluster = Cluster(endpoint, autodiscovery_timeout)
self.ring = MemcacheRing(self.cluster.servers, *args, **kwargs)
self.need_update = False
self.lock = Lock()
self.timer = RepeatTimer('autodiscovery', autodiscovery_interval,
self._update)
self.timer.start()
def _update(self):
try:
cluster = Cluster(self.endpoint, self.autodiscovery_timeout)
except Exception as e:
elasticache_logger.debug(e)
return
if cluster.version != self.cluster.version:
self.lock.acquire(True)
self.cluster = cluster
self.need_update = True
self.lock.release()
def _update(self):
try:
cluster = Cluster(self.endpoint, self.autodiscovery_timeout)
except Exception as e:
elasticache_logger.debug(e)
return
if cluster.version != self.cluster.version:
self.lock.acquire(True)
self.cluster = cluster
self.need_update = True
self.lock.release()
def __init__(self, endpoint, timeout):
host, port = endpoint.split(':')
elasticache_logger.debug('cluster: %s %s %s %s %s %s', str(host),
str(type(host)), str(port), str(type(port)),
str(timeout), str(type(timeout)))
tn = Telnet(host, port, timeout)
tn.write('version\n')
ret = tn.read_until('\r\n', timeout)
elasticache_logger.debug('version: %s', ret)
version_list = ret.split(' ')
if len(version_list) != 2 or version_list[0] != 'VERSION':
raise ElasticacheInvalidTelentReplyError(ret)
version = version_list[1][0:-2]
if StrictVersion(version) >= StrictVersion('1.4.14'):
get_cluster = 'config get cluster\n'
else:
get_cluster = 'get AmazonElastiCache:cluster\n'
tn.write(get_cluster)
ret = tn.read_until('END\r\n', timeout)
elasticache_logger.debug('config: %s', ret)
tn.close()
p = re.compile(r'\r?\n')
conf = p.split(ret)
if len(conf) != 6 or conf[4][0:3] != 'END':
raise ElasticacheInvalidTelentReplyError(ret)
self.version = conf[1]
self.servers = []
nodes_str = conf[2].split(' ')
for node_str in nodes_str:
node_list = node_str.split('|')
if len(node_list) != 3:
raise ElasticacheInvalidTelentReplyError(ret)
self.servers.append(node_list[1] + ':' + node_list[2])
def __init__(self, endpoint, timeout):
host, port = endpoint.split(':')
elasticache_logger.debug('cluster: %s %s %s %s %s %s',
str(host), str(type(host)),
str(port), str(type(port)),
str(timeout), str(type(timeout)))
tn = Telnet(host, port)
tn.write('version\n')
ret = tn.read_until('\r\n', timeout)
elasticache_logger.debug('version: %s', ret)
version_list = ret.split(' ')
if len(version_list) != 2 or version_list[0] != 'VERSION':
raise ElasticacheInvalidTelentReplyError(ret)
version = version_list[1][0:-2]
if StrictVersion(version) >= StrictVersion('1.4.14'):
get_cluster = 'config get cluster\n'
else:
get_cluster = 'get AmazonElastiCache:cluster\n'
tn.write(get_cluster)
ret = tn.read_until('END\r\n', timeout)
elasticache_logger.debug('config: %s', ret)
tn.close()
p = re.compile(r'\r?\n')
conf = p.split(ret)
if len(conf) != 6 or conf[4][0:3] != 'END':
raise ElasticacheInvalidTelentReplyError(ret)
self.version = conf[1]
self.servers = []
nodes_str = conf[2].split(' ')
for node_str in nodes_str:
node_list = node_str.split('|')
if len(node_list) != 3:
raise ElasticacheInvalidTelentReplyError(ret)
self.servers.append(node_list[1] + ':' + node_list[2])
def __init__(self, endpoint, timeout):
host, port = endpoint.split(":")
elasticache_logger.debug(
"cluster: %s %s %s %s %s %s",
str(host),
str(type(host)),
str(port),
str(type(port)),
str(timeout),
str(type(timeout)),
)
tn = Telnet(host, port, timeout)
tn.write("version\n")
ret = tn.read_until("\r\n", timeout)
elasticache_logger.debug("version: %s", ret)
version_list = ret.split(" ")
if len(version_list) != 2 or version_list[0] != "VERSION":
raise ElasticacheInvalidTelentReplyError(ret)
version = version_list[1][0:-2]
if StrictVersion(version) >= StrictVersion("1.4.14"):
get_cluster = "config get cluster\n"
else:
get_cluster = "get AmazonElastiCache:cluster\n"
tn.write(get_cluster)
ret = tn.read_until("END\r\n", timeout)
elasticache_logger.debug("config: %s", ret)
tn.close()
p = re.compile(r"\r?\n")
conf = p.split(ret)
if len(conf) != 6 or conf[4][0:3] != "END":
raise ElasticacheInvalidTelentReplyError(ret)
self.version = conf[1]
self.servers = []
nodes_str = conf[2].split(" ")
for node_str in nodes_str:
node_list = node_str.split("|")
if len(node_list) != 3:
raise ElasticacheInvalidTelentReplyError(ret)
self.servers.append(node_list[1] + ":" + node_list[2])
def _update(self):
try:
cluster = Cluster(self.endpoint, self.autodiscovery_timeout)
except Exception, e:
elasticache_logger.debug(e)
return
