open-falcon agent haproxy plugin

30_haproxy_stats.sh

#!/bin/bash
#requires: socat
#author: fangpsh
#关于采集的Haproxy指标和报警阈值设置请参考：https://github.com/iask/haproxymon
set -eu

STATS_SOCKET="/var/lib/haproxy/stats"
HOST=`cat /etc/hostname`
DATE=`date +%s`
tmp_info="/tmp/haproxy_info"
tmp_stat="/tmp/haproxy_stat"

echo -n "["

##haproxy info

echo "show info" |sudo socat /var/lib/haproxy/stats  stdio > $tmp_info 2>/dev/null

echo -n "{\"metric\": \"Haproxy_CurrConns\", \"endpoint\": \"$HOST\", \"tags\": \"\", \"value\": `grep -E '^CurrConns:' $tmp_info |cut -d ' ' -f 2`,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"

echo -n ",{\"metric\": \"Haproxy_ConnRate\", \"endpoint\": \"$HOST\", \"tags\": \"\", \"value\": `grep -E '^ConnRate:' $tmp_info |cut -d ' ' -f 2`,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"

echo -n ",{\"metric\": \"Haproxy_Tasks\", \"endpoint\": \"$HOST\", \"tags\": \"\", \"value\": `grep -E '^Tasks:' $tmp_info |cut -d ' ' -f 2`,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"

echo -n ",{\"metric\": \"Haproxy_SessRate\", \"endpoint\": \"$HOST\", \"tags\": \"\", \"value\": `grep -E '^SessRate:' $tmp_info |cut -d ' ' -f 2`,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"

echo -n ",{\"metric\": \"Haproxy_Run_queue\", \"endpoint\": \"$HOST\", \"tags\": \"\", \"value\": `grep -E '^Run_queue:' $tmp_info |cut -d ' ' -f 2`,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"

echo -n ",{\"metric\": \"Haproxy_Idle_pct\", \"endpoint\": \"$HOST\", \"tags\": \"\", \"value\": `grep -E '^Idle_pct:' $tmp_info |cut -d ' ' -f 2`,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"

##haproxy stat

echo "show stat" |sudo socat /var/lib/haproxy/stats  stdio > $tmp_stat 2>/dev/null

for line in `grep -vE '#|FRONTEND|BACKEND' $tmp_stat | sed '/^$/d'`;
do
   server=`echo $line |cut -d ',' -f 1,2 |sed 's/,/_/'`
   status=`echo $line |cut -d ',' -f 18`
   if [ $status == 'UP' ];
   then
     status_code=0
   else
     status_code=1
   fi
   scur=`echo $line |cut -d ',' -f 5`
   qcur=`echo $line |cut -d ',' -f 3`
   rate=`echo $line |cut -d ',' -f 34`
   econ=`echo $line |cut -d ',' -f 14`
   qtime=`echo $line |cut -d ',' -f 59`
   ctime=`echo $line |cut -d ',' -f 60`

   echo -n ",{\"metric\": \"Haproxy_Status\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $status_code,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"
   echo -n ",{\"metric\": \"Haproxy_Scur\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $scur,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"
   echo -n ",{\"metric\": \"Haproxy_Qcur\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $qcur,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"
   echo -n ",{\"metric\": \"Haproxy_Rate\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $rate,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"
   echo -n ",{\"metric\": \"Haproxy_Econ\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $econ,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"
   echo -n ",{\"metric\": \"Haproxy_Qtime\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $qtime,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"
   echo -n ",{\"metric\": \"Haproxy_Ctime\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $ctime,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"

done

for line in `grep -E 'FRONTEND' $tmp_stat | sed '/^$/d'`;
do
   server=`echo $line |cut -d ',' -f 1,2 |sed 's/,/_/'`
   ereq=`echo $line |cut -d ',' -f 13`
   dreq=`echo $line |cut -d ',' -f 11`
   echo -n ",{\"metric\": \"Haproxy_Ereq\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $ereq,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"
   echo -n ",{\"metric\": \"Haproxy_Dreq\", \"endpoint\": \"$HOST\", \"tags\": \"server=$server\", \"value\": $dreq,\"timestamp\": $DATE, \"counterType\": \"GAUGE\", \"step\": 30}"
done


echo -n "]"