def alert():
zk_dst = ZKClient(ZK_ADDR)
stat = dict()
redis_conn= []
title = zk_dst.get_children(MQ_PATH+"msgmap")
shard = zk_dst.get_children(MQ_PATH+"redis")
for i in shard:
child=zk_dst.get_children(MQ_PATH+"redis/"+i+"/.service_nodes")
for k in child:
addr=k.split(':')
redis_conn.append(redis.Redis(addr[0], int(addr[1])))
flag = False
for i in title:
for j in redis_conn:
if not stat.has_key(i):
stat[i]=0
len = j.llen(i)
stat[i] += len
for i in stat:
if stat[i]>ALERT_MSG_NUM:
flag=True
break
if not flag:
print "无积压消息"
return
subject = "MQ积压消息报警"
body = '\n'
body += time.asctime() + "\n"
body += 'Title \t Num' + "\n"
for i in stat:
body += 'title:' + i + '\t len:' + str(stat[i])+'\n'
send_mail(STAT_MAIL_TO, subject, body)
# create on first server
zk = ZKClient(servers[0], options.timeout)
rootpath = "/zk-smoketest"
if zk.exists(rootpath):
if not options.quiet:
print("Node %s already exists, attempting reuse" % (rootpath))
else:
zk.create(
rootpath, "smoketest root, delete after test done, created %s" %
(datetime.datetime.now().ctime()))
# make sure previous cleaned up properly
children = zk.get_children(rootpath)
if len(children) > 0:
raise SmokeError("there should not be children in %s"
"root data is: %s, count is %d" %
(rootpath, zk.get(rootpath), len(children)))
zk.close()
def child_path(i):
return "%s/session_%d" % (rootpath, i)
# create znodes, one znode per session (client), one session per server
for i, server in enumerate(servers):
# ensure this server is up to date with leader
sessions[i]. async ()
# create on first server
zk = ZKClient(servers[0], options.timeout)
rootpath = "/zk-smoketest"
if zk.exists(rootpath):
if not options.quiet:
print("Node %s already exists, attempting reuse" % (rootpath))
else:
zk.create(rootpath,
"smoketest root, delete after test done, created %s" %
(datetime.datetime.now().ctime()))
# make sure previous cleaned up properly
children = zk.get_children(rootpath)
if len(children) > 0:
raise SmokeError("there should not be children in %s"
"root data is: %s, count is %d"
% (rootpath, zk.get(rootpath), len(children)))
zk.close()
def child_path(i):
return "%s/session_%d" % (rootpath, i)
# create znodes, one znode per session (client), one session per server
for i, server in enumerate(servers):
# ensure this server is up to date with leader
sessions[i].async()
class ZookeeperStore(object):
TIMEOUT = 1000
def __init__(self,
verbose=True,
database='test',
table='targets',
zkhost='127.0.0.1:32181'):
self.VERBOSE = verbose
self.path = None
self.ZK_HOST = zkhost
self.database = "/" + database
self.table = os.path.join(self.database, table)
self.zk = ZKClient(self.ZK_HOST, timeout=self.TIMEOUT)
self.say("login ok")
self._init_zk()
def __del__(self):
self.zk.close()
def _init_zk(self):
nodes = (self.database, self.table)
for node in nodes:
if not self.zk.exists(node):
try:
self.zk.create(node, "")
except:
pass
def create(self, path, msg, flags=0):
msg = self.encode(msg)
self.path = os.path.join(self.table, path)
nodes = self.path.split("/")
# FIXME
for i in range(4, len(nodes)):
node = "/".join(nodes[:i])
if not self.zk.exists(node):
try:
self.zk.create(node, "")
except:
pass
if not self.zk.exists(self.path):
self.path = self.zk.create(self.path, msg, flags=flags)
else:
self.zk.set(self.path, msg)
#self.path = os.path.basename(self.path)
self.say("register ok! I'm %s" % self.path)
def get_children(self, path=""):
if not path:
path = self.table
children = self.zk.get_children(path)
return children
def get(self, node):
msg = self.zk.get(node)
return msg
def decode(self, obj):
return obj
def encode(self, msg):
return msg
def say(self, msg):
if self.VERBOSE:
if self.path:
log.info(msg)
else:
log.info(msg)
# print "delete ret:", ret
#except:
# pass
#try:
# ret = zk.create("/worker", "")
# print "create ret:", ret
#except Exception, reason:
# print "create failed", reason
# pass
try:
ret = zk.create("/worker/work", "100", zookeeper.EPHEMERAL | zookeeper.SEQUENCE)
print "create ret:", ret
except Exception, reason:
print "create failed", reason
pass
l = zk.get_children("/")
print "children:", l
#work_v = zk.get("/work")
#print "work_v:", work_v
lock_name = zk_lock.get_lock(zk, "/lock")
exit()
logger = init_logger()
logger.info("logger init done.")
def safe_reg_self(parent_node, node_id):
l = zk.exists(parent_node)
if not l:
zk.create(parent_node, "{}", config.zknode_type_ephemeral)
l = zk.exists(parent_node)
if not l:
class GJZookeeper(object):
ZK_HOST = "localhost:2181"
ROOT = "/app"
WORKERS_PATH = join(ROOT, "workers")
MASTERS_NUM = 1
TIMEOUT = 10000
def __init__(self, verbose = True):
self.VERBOSE = verbose
self.masters = []
self.is_master = False
self.path = None
self.zk = ZKClient(self.ZK_HOST, timeout = self.TIMEOUT)
self.say("login ok!")
# init
self.__init_zk()
# register
self.register()
def __init_zk(self):
"""
create the zookeeper node if not exist
"""
nodes = (self.ROOT, self.WORKERS_PATH)
for node in nodes:
if not self.zk.exists(node):
try:
self.zk.create(node, "")
except:
pass
@property
def is_slave(self):
return not self.is_master
def register(self):
"""
register a node for this worker
"""
self.path = self.zk.create(self.WORKERS_PATH + "/worker", "1", flags=zookeeper.EPHEMERAL | zookeeper.SEQUENCE)
self.path = basename(self.path)
self.say("register ok! I'm %s" % self.path)
# check who is the master
self.get_master()
def get_master(self):
"""
get children, and check who is the smallest child
"""
@watchmethod
def watcher(event):
self.say("child changed, try to get master again.")
self.get_master()
children = self.zk.get_children(self.WORKERS_PATH, watcher)
children.sort()
self.say("%s's children: %s" % (self.WORKERS_PATH, children))
# check if I'm master
self.masters = children[:self.MASTERS_NUM]
if self.path in self.masters:
self.is_master = True
self.say("I've become master!")
else:
self.say("%s is masters, I'm slave" % self.masters)
def say(self, msg):
"""
print messages to screen
"""
if self.VERBOSE:
if self.path:
if self.is_master:
log.info("[ %s(%s) ] %s" % (self.path, "master" , msg))
else:
log.info("[ %s(%s) ] %s" % (self.path, "slave", msg))
else:
log.info(msg)
class GJZookeeper(object):
ZK_HOST = "localhost:2181"
ROOT = "/app"
WORKERS_PATH = join(ROOT, "workers")
MASTERS_NUM = 1
TIMEOUT = 10000
def __init__(self, verbose=True):
self.VERBOSE = verbose
self.masters = []
self.is_master = False
self.path = None
self.zk = ZKClient(self.ZK_HOST, timeout=self.TIMEOUT)
self.say("login ok!")
# init
self.__init_zk()
# register
self.register()
def __init_zk(self):
"""
create the zookeeper node if not exist
"""
nodes = (self.ROOT, self.WORKERS_PATH)
for node in nodes:
if not self.zk.exists(node):
try:
self.zk.create(node, "")
except:
pass
@property
def is_slave(self):
return not self.is_master
def register(self):
"""
register a node for this worker
"""
self.path = self.zk.create(self.WORKERS_PATH + "/worker",
"1",
flags=zookeeper.EPHEMERAL
| zookeeper.SEQUENCE)
self.path = basename(self.path)
self.say("register ok! I'm %s" % self.path)
# check who is the master
self.get_master()
def get_master(self):
"""
get children, and check who is the smallest child
"""
@watchmethod
def watcher(event):
self.say("child changed, try to get master again.")
self.get_master()
children = self.zk.get_children(self.WORKERS_PATH, watcher)
children.sort()
self.say("%s's children: %s" % (self.WORKERS_PATH, children))
# check if I'm master
self.masters = children[:self.MASTERS_NUM]
if self.path in self.masters:
self.is_master = True
self.say("I've become master!")
else:
self.say("%s is masters, I'm slave" % self.masters)
def say(self, msg):
"""
print messages to screen
"""
if self.VERBOSE:
if self.path:
log.info(
"[ %s(%s) ] %s" %
(self.path, "master" if self.is_master else "slave", msg))
else:
log.info(msg)
import zkclient
from zkclient import ZKClient
zk = ZKClient("10.187.176.194:2181")
newKeyList = [
"goods_homef~~~brand", "qrqm_hp_cfb~~~brand", "goods_homef~~~c3brand",
"qrqm_hp_cfb~~~c3brand_0", "goods_homef~~~c3", "qrqm_hp_cfb~~~c3",
"qrqm_hp_cfb~~~channelBrand_0", "qrqm_hp_cfb~~~channelC3Brand_0",
"qrqm_hp_cfb~~~channelC3_0", "qrqm_hp_cfb~~~channel", "cd3_fzxp_fs",
"cd3_jdjx_fs", "cd3_jdmarket_fs", "cd3_newsh_fs", "cd3_oversea_fs",
"cd3_7toreturn_fs", "seckill_cfb~~~brand_code",
"seckill_cfb~~~cid3_discount_ratio_cat", "seckill_cfb~~~cid3",
"seckill_cfb~~~cid3_pw3_ids", "seckill_cfb~~~discount_amount_cat",
"seckill_cfb~~~discount_ratio_cat"
]
created = zk.exists("/root/redis")
if created:
print 'deleting /root/redis ...'
oldKeyList = zk.get_children("/root/redis")
for k in oldKeyList:
zk.delete("/root/redis/" + k)
else:
zk.create("/root/redis", "")
for k in newKeyList:
zk.create("/root/redis/" + k, k)
print 'add keys on zk success!'
class ZookeeperStore(object):
ZK_HOST = "127.0.0.1:32181"
TIMEOUT = 1000
def __init__(self, verbose = True, database='/test', table='targets'):
self.VERBOSE = verbose
self.path = None
self.database = database
self.table = os.path.join(self.database, table)
self.zk = ZKClient(self.ZK_HOST, timeout = self.TIMEOUT)
self.say("login ok")
self._init_zk()
def __del__(self):
self.zk.close()
def _init_zk(self):
nodes = (self.database, self.table)
for node in nodes:
if not self.zk.exists(node):
try:
self.zk.create(node, "")
except:
pass
def create(self, path, msg, flags=0):
msg = self.encode(msg)
self.path = os.path.join(self.table, path)
nodes = self.path.split("/")
# FIXME
for i in range(4,len(nodes)):
node = "/".join(nodes[:i])
if not self.zk.exists(node):
try:
self.zk.create(node, "")
except:
pass
if not self.zk.exists(self.path):
self.path = self.zk.create(self.path, msg, flags=flags)
else:
self.zk.set(self.path, msg)
#self.path = os.path.basename(self.path)
self.say("register ok! I'm %s" % self.path)
def get_children(self, path=""):
if not path:
path = self.table
children = self.zk.get_children(path)
return children
def get(self, node):
msg = self.zk.get(node)
return msg
def decode(self, obj):
return obj
def encode(self, msg):
return msg
def say(self, msg):
if self.VERBOSE:
if self.path:
log.info(msg)
else:
log.info(msg)
class GJZookeeper(object):
ZK_HOST = "localhost:2181"
ROOT = "/Roles"
WORKERS_PATH = join(ROOT, "workers")
TIMEOUT = 10000
RULE_PATH = "/opt/interlive/nginx/conf/self_rules.xml"
def __init__(self, verbose = True):
self.VERBOSE = verbose
self.path = None
self.APP_ROOT = "/Applications"
self.APP_CONF = join(self.APP_ROOT,"NginxConf")
self.zk = ZKClient(self.ZK_HOST, timeout = self.TIMEOUT)
self.say("login zookeeper successfully!")
# init
self.create_roles_znode()
# register
self.register()
self.watch_app_znode()
def create_roles_znode(self):
"""
create the zookeeper node if not exist
|-Roles
|-workers
"""
nodes = (self.ROOT, self.WORKERS_PATH)
for node in nodes:
if not self.zk.exists(node):
try:
self.zk.create(node, "")
except:
pass
def register(self):
"""
register a node for this worker,znode type : EPHEMERAL | SEQUENCE
|-Roles
|-workers
|-worker000000000x ==>>master
|-worker000000000x+1 ==>>worker
....
"""
self.path = self.zk.create(self.WORKERS_PATH + "/worker", "1", flags=zookeeper.EPHEMERAL | zookeeper.SEQUENCE)
self.path = basename(self.path)
self.say("I'm %s" % self.path)
def watch_app_znode(self):
@watchmethod
def watcher(event):
self.say("first watcher")
child_nodes = self.zk.get_children(self.APP_CONF)
child_nodes.sort(reverse=True)
data = self.zk.get(self.APP_CONF + "/" + child_nodes[0])
self.say(data[0])
file_object = open(self.RULE_PATH, 'w')
try:
file_object.write(data[0])
finally:
file_object.close()
self.zk.get_children(self.APP_CONF, watcher)
self.zk.get_children(self.APP_CONF, watcher)
def say(self, msg):
"""
print messages to screen
"""
if self.VERBOSE:
if self.path:
log.info("[ %s ] %s" % (self.path, msg))
else:
log.info(msg)
class GJZookeeper(object):
ZK_HOST = "localhost:2181"
ROOT = "/Roles"
WORKERS_PATH = join(ROOT, "agents")
MASTERS_NUM = 1
TIMEOUT = 10000
def __init__(self, verbose = True):
self.VERBOSE = verbose
self.masters = []
self.is_master = False
self.path = None
self.APP_ROOT = "/Applications"
self.APP_CONF = join(self.APP_ROOT,"NginxConf")
self.zk = ZKClient(self.ZK_HOST, timeout = self.TIMEOUT)
self.say("login zookeeper successfully!")
# init
self.create_roles_znode()
# register
self.register()
def create_roles_znode(self):
"""
create the zookeeper node if not exist
|-Roles
|-workers
"""
nodes = (self.ROOT, self.WORKERS_PATH)
for node in nodes:
if not self.zk.exists(node):
try:
self.zk.create(node, "")
except:
pass
@property
def is_slave(self):
return not self.is_master
def register(self):
"""
register a node for this worker,znode type : EPHEMERAL | SEQUENCE
|-Roles
|-workers
|-worker000000000x ==>>master
|-worker000000000x+1 ==>>worker
....
"""
self.path = self.zk.create(self.WORKERS_PATH + "/worker", "1", flags=zookeeper.EPHEMERAL | zookeeper.SEQUENCE)
self.path = basename(self.path)
self.say("I'm %s" % self.path)
# check who is the master
self.get_master()
def get_master(self):
"""
get children, and check who is the smallest child
"""
@watchmethod
def watcher(event):
self.say("child changed, try to get master again.")
self.get_master()
children = self.zk.get_children(self.WORKERS_PATH, watcher)
children.sort()
self.say("%s's children: %s" % (self.WORKERS_PATH, children))
# check if I'm master
self.masters = children[:self.MASTERS_NUM]
if self.path in self.masters:
self.is_master = True
self.say("I've become master!")
self.create_app_znode()
else:
self.say("%s is masters, I'm slave" % self.masters)
def create_app_znode(self):
"""
create the zookeeper node if not exist
|-Applications
|-NginxConf
"""
nodes = (self.APP_ROOT, self.APP_CONF)
for node in nodes:
if not self.zk.exists(node):
try:
self.say("Create znode [%s] ..."%(node))
self.zk.create(node, "")
except:
pass
def create_conf_znode(self, data):
"""
create the zookeeper node's children if not exist,contents is conf data
|-Applications
|-NginxConf
|-item-000000000x => data
"""
self.child_node = join(self.APP_CONF, "conf-")
path = self.zk.create(self.child_node, data, flags=zookeeper.SEQUENCE)
self.say("create znode %s"%path)
def say(self, msg):
"""
print messages to screen
"""
if self.VERBOSE:
if self.path:
log.info("[ %s(%s) ] %s" % (self.path, "master" if self.is_master else "slave", msg))
else:
log.info(msg)
# l = zk.create(config.root_path + config.node_id, "", config.zknode_type_ephemeral)
# print l
#except Exception, reason:
# print "create node fail:", str(reason)
# logger.error("create node fail:" + str(reason))
# exit()
try:
l = zk.create(config.client_root_path, "{}", 0)
print l
except zookeeper.NodeExistsException, reason:
#忽略节点存在错误
pass
except Exception, reason:
print "create parent node fail:", str(reason)
logger.error("create parent node fail:" + str(reason))
l = zk.get_children(config.client_root_path, watchmethod(children_watcher))
l = zk.exists(config.client_root_path, watchmethod(change_watcher))
l = zk.get_children(config.server_root_path, watchmethod(server_watcher))
#l = zk.exists(config.server_root_path, watchmethod(server_change_watcher))
while 1:
nodes_info = gen_nodes_info(zk)
nodes_info_str = ujson.dumps(nodes_info)
r_dbhd.set(config.redis_key, nodes_info_str)
time.sleep(1)
