redis3.0集群状态监控脚本用于zabbix监控需要python2.6

最新推荐文章于 2023-01-12 15:40:31 发布

原创最新推荐文章于 2023-01-12 15:40:31 发布 · 2.8k 阅读

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CC 4.0 BY-SA版权

本文介绍了一种使用Python实现的在线Redis集群状态监控脚本。该脚本能够检查集群的整体运行状况以及各个节点的连接状态，并输出相应的状态信息。适用于需要监测Redis集群稳定性的应用场景。

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#coding=utf-8
__author__ = 'yuan.ran@msxf.com'
'''This scripte use to monitor online redis cluster status and nodes status! need python 2.6 '''
import sys
import socket
import redis

# define cluster nodes address
cluster_nodes =[ {"Redis1.xxxxx.db" :"7000"},{"Redis1.xxxxx.db" :"7001"},{"Redis2.xxxxx.db":"7002"},
{"Redis2.xxxxx.db":"7003"},{"Redis3.xxxxx.db":"7004"},{"Redis3.xxxxx.db":"7005"}]

# init rhost and port
rhost = '192.168.77.77'
port = '8787'

# check alive node
for address in cluster_nodes:
      sc=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
      ip =  ''.join(address.keys())
      port =int( ''.join(address.values()))
      sc.settimeout(1)
      try:
          sc.connect((ip,port))
          rhost,rport = ip,port
          break
      except Exception:
          print ("Server port  not connect!")
      sc.close()

# create connect to alive redis node
try:
    rc = redis.StrictRedis(host=rhost,port=rport)
except Exception, err:
    print err
    print 'failed to connect redis cluster!'
    sys.exit(0)

# get cluster status ok return 0,false return 1
def getClusterStatus():
    cs =  rc.execute_command('cluster','info')
    clusterstatus = cs.split('\r')[0].split(':')
    if clusterstatus[1] == 'ok':
        rediscluster = 0
    else:
        rediscluster = 1
    print rediscluster

# get cluster alive node number
def getClusterNode():
    cn = rc.execute_command('cluster','nodes')
    nodescount1 = cn.count("connected")
    nodescount2 = cn.count("disconnected")
    nodescount = nodescount1 - nodescount2
    print nodescount

if __name__ == '__main__':
    if  str(sys.argv[1]) == 'nodes':
        getClusterNode()
    elif  str(sys.argv[1]) == 'status':
        getClusterStatus()