利用python和jstat命令采集jvm数据

注：用法运行python jvcheck.py 变量如EC或E等

#coding=utf-8
#author=yangzai
# 用jstat检查jvm信息然后用zabbix监控
import commands
import sys
jvmvars=sys.argv[1]

(status, PID) = commands.getstatusoutput("sudo -u tomcat jps|grep Bootstrap$|grep -v Jps$|awk '{print $1}'")  # PID
def change_gc_ke(cmd):
    (status,gcresult_tmp)=commands.getstatusoutput(cmd)
    gcresult_tmp = gcresult_tmp.split('\n')
    gcresult_key = gcresult_tmp[0].split()  # key
    gcresult_values = gcresult_tmp[1].split()  # values
    gcresult = dict(zip(gcresult_key, gcresult_values))
    return gcresult

####gcutil
if jvmvars in ('S0','S1','E','O','M','CCS','YGC','YGCT','FGC','FGCT','GCT'):
    cmd_gcutil = "sudo -u tomcat jstat -gcutil " + PID
    gcutil = change_gc_ke(cmd_gcutil)
    print gcutil.get(jvmvars)
####gccapacity    
if jvmvars in ('NGCMN', 'NGCMX', 'NGC', 'S0C', 'S1C', 'OGCMX', 'OGCMN', 'OGC', 'MCMX', 'MCMN', 'MC'):
    cmd_gccapacity = "sudo -u tomcat jstat -gccapacity " + PID 
    gccapacity = change_gc_ke(cmd_gccapacity)
    print gccapacity.get(jvmvars)
####gcnew    
if jvmvars in ('EU', 'EC', 'S0U', 'S1U'):
    cmd_gcnew = "sudo -u tomcat jstat -gcnew " + PID
    gcnew = change_gc_ke(cmd_gcnew)
    print gcnew.get(jvmvars)
####gccode
if jvmvars in ('OU', 'MU'):
    cmd_gcold = "sudo -u tomcat jstat -gcold " + PID
    gcold = change_gc_ke(cmd_gcold)
    print gcold.get(jvmvars)
####gcclass
if jvmvars in ('Loaded', 'Bytes', 'Unloaded'):
    cmd_class = "sudo -u tomcat jstat -class " + PID + "|awk '{print $1,$2,$3}'" 
    gcclass = change_gc_ke(cmd_class)
    print gcclass.get(jvmvars)