zabbix监控业务进程变动
Zabbix 监控进程宕机业务需求后端进程宕机以后能在短时间内迅速拉起，业务影响不大，但是开发需要查看coredump，要求能监控到pid变化；在现有构架下zabbix能监控并报警；
当然zabbix设置报警设置就不再一一
在每台服务器/etc/zabbix/zabbix_agentd.conf设置路径：此例只需要piddiff.sh
UserParameter=checkpid,sh /usr/local/script/piddiff.sh
UserParameter=test,sh /usr/local/script/test.sh
UserParameter=discovery.process,/usr/local/script/disprocess.sh
UserParameter=process.check
[*],/usr/local/script/proc_check.sh $1 $2 $3
/usr/local/script下面存放脚本
Vim piddiff.sh
aapid为业务监控id 取值根据业务需求；
#/bin/sh
onl_ok=1
onl_cored=3
dir=/usr/local/script
if [[ ! -f "$dir/old.txt" ]];then
ps aux|grep aapid |grep -v grep|grep -v /bin/bash|awk'{print $2,$11}' > $dir/old.txt
else
sleep 1s
fi
ps aux|grep aapid |grep -v grep|grep -v /bin/bash|awk'{print $2,$11}' > $dir/now.txt
if ! diff -q $dir/old.txt$dir/now.txt > /dev/null; then
echo $onl_cored
diff -c $dir/old.txt$dir/now.txt > $dir/`date "+%Y%m%d%H%M"`_diff.txt
cat $dir/now.txt >$dir/old.txt
else
echo $onl_ok
fi
一个简单的判断脚本；
Zabbix30秒会抓取一次，正常没变化为1，有变化为3，那么zabbix抓取数值为3则表示pid有变化，会发出警报；
Zabbix设置：
监控项模板添加如下：
http://s1.运维网.com/images/20180223/1519371651993152.png
触发器：{Template OS Linux:checkpid.last()}=3
http://s1.运维网.com/images/20180223/1519371669385184.png
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