#!/bin/python
-- coding:UTF-8 --
import redis import sys
""" 各个参数的解释： keyspace_misses //表示未命中数 keyspace_hits //表示命中数 keyspace_hits_rate = keyspace_hits /(keyspace_hits + keyspace_misses) connected_clients //客户端连接数 blocked_clients //客户端阻塞数 connected_slaves //从库数 instantaneous_ops_per_sec //客户端每秒执行命令频率 used_memory_rss //操作系统分配给redis的内存 used_memory //redis分配器分配的内存 mem_fragmentation_ratio //内存碎片比例 """
#把参数定义为列表 keyindex = ['used_memory', 'used_memory_rss', 'mem_fragmentation_ratio', 'blocked_clients', 'connected_clients', 'connected_slaves', 'instantaneous_ops_per_sec', 'keyspace_hits', 'keyspace_misses', 'keypace_query_total_count', 'keyspace_hits_rate', 'status']
returnval = None
def zabbix_faild(): print "ZBX_NOTSUPPORTED" sys.exit(2)
if len(sys.argv) != 2: #需要有一个参数，加上程序本身是两个参数。所以判断如果没有参数，就直接提示 print len(sys.argv) zabbix_faild()
try: conn=redis.Redis(host='172.16.17.40',port='6379',password='') except Exception,e: print e zabbix_faild()
#下面是根据参数来判断并且取值，最终返回状态，加入到zabbix中 if sys.argv[1] in keyindex: if sys.argv[1] == 'status':#如果参数为status ，执行ping，为true返回值为1，zabbix中返回1 则表示正常。 try: conn.ping() returnval = 1 except Exception,e: returnval = 0 elif sys.argv[1] == 'keyspace_hits_rate': merit = conn.info() keyspace_hits_count = float(merit['keyspace_hits']) keyspace_misses_count = float(merit['keyspace_misses']) keyspace_hits_rate = keyspace_hits_count / (keyspace_hits_count + keyspace_misses_count) * 100 returnval = keyspace_hits_rate elif sys.argv[1] == 'keypace_query_total_count': merit = conn.info() keyspace_hits_count = merit['keyspace_hits'] keyspace_misses_count = merit['keyspace_misses'] keypace_query_total_count = keyspace_hits_count + keyspace_misses_count returnval = keypace_query_total_count else: merit = conn.info() try: returnval = merit[unicode(sys.argv[1])] except Exception,e: pass
#判断返回值状态的函数 def ret_status (): if returnval == None: zabbix_faild() else: print returnval
ret_status()
