MySQL monitoring 3

The test script

After packing , Execute the test script again , It returns a number normally

[[email protected] scripts]# /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh gg
0
[[email protected] scripts]# /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh gt
38409

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Where did this data come from , This file is generated during the execution of the script /tmp/localhost-mysql_cacti_stats.txt

[[email protected] scripts]# cat /tmp/localhost-mysql_cacti_stats.txt
gg:0 gh:0 gi:0 gj:0 gk:3275 gl:7096091357813 gm:0 gn:2 go:0 gp:0 gq:1310712 gr:560473 gs:747264 gt:38409 gu:666299 gv:81269 gw:3884351 gx:4850164 gy:666658 gz:22406662 hg:16685721 hh:0 hi:0 hj:0 hk:0 hl:0 hm:0 hn:0 ho:0 hp:0 hq:61117 hr:79688 hs:72627 ht:3483741 hu:46269304 hv:1477167 hw:10612667 hx:10992203 hy:712017 hz:11704230 ig:0 ih:358979056 ii:0 ij:23 ik:245 il:263 im:2048 in:10245 io:2048 ip:0 iq:2 ir:1 is:0 it:0 iu:1 iv:1 iw:1 ix:2048 iy:8 iz:12 jg:0 jh:0 ji:0 jj:0 jk:0 jl:1 jm:268417400 jn:0 jo:0 jp:0 jq:6 jr:0 js:1 jt:268435456 ju:52 jv:10816055 jw:10511991 jx:6 jy:719085 jz:0 kg:0 kh:0 ki:0 kj:0 kk:0 kl:0 km:0 kn:0 ko:0 kp:3 kq:0 kr:0 ks:0 kt:0 ku:3 kv:0 kw:6 kx:87998 ky:6025810131 kz:8388608 lg:8388608 lh:4347852912824 li:4347852916081 lj:575663419 lk:1048576 ll:0 lm:0 ln:638 lo:0 lp:0 lq:0 lr:0 ls:0 lt:0 lu:1 lv:0 lw:0 lx:0 ly:0 lz:0 mg:0 mh:0 mi:0 mj:0 mk:0 ml:2 mm:38445444 mn:712017 mo:0 mp:0 mq:6 mr:11974037 ms:10 mt:0 mu:11971670 mv:62 mw:0 mx:0 my:0 mz:10992203 ng:10612792 nh:0 ni:0 nj:-1 nk:-1 nl:21978152960 nm:0 nn:72550322 no:1 np:813 nq:815 nr:388741648 ns:2657176 nt:87248076 nu:1197592 nv:53125976 nw:0 nx:-1 ny:-1 nz:-1 og:0 oh:6119424 oi:33554432 oj:0 ok:0 ol:-1 om:-1 on:-1 oo:-1 op:-1 oq:-1 or:-1 os:-1 ot:-1 ou:-1 ov:-1 ow:-1 ox:-1 oy:-1 oz:-1 pg:-1 ph:-1 pi:-1 pj:-1 pk:-1 pl:-1 pm:-1 pn:-1 po:-1 pp:-1 pq:-1 pr:-1 ps:-1 pt:-1 pu:-1 pv:-1 pw:-1 px:-1 py:-1 pz:-1 qg:-1 qh:-1 qi:-1 qj:-1 qk:-1 ql:-1 qm:-1 qn:-1 qo:607839 qp:1964228995[[email protected] scripts]# 
[[email protected] scripts]# 

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This script is not long , There's only... In all 43 That's ok , It's right ss_get_mysql_stats.php A layer of packaging , The logic is very simple , Just look at it

[[email protected] scripts]# wc  -l  /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh 
43 /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh
[[email protected] scripts]# cat /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh
#!/bin/sh
# The wrapper for Cacti PHP script.
# It runs the script every 5 min. and parses the cache file on each following run.
# Version: 1.1.5
#
# This program is part of Percona Monitoring Plugins
# License: GPL License (see COPYING)
# Copyright: 2015 Percona
# Authors: Roman Vynar

ITEM=$1
HOST=localhost
DIR=`dirname $0`
CMD="/usr/bin/php -q $DIR/ss_get_mysql_stats.php --host $HOST --items gg"
CACHEFILE="/tmp/$HOST-mysql_cacti_stats.txt"

if [ "$ITEM" = "running-slave" ]; then
    # Check for running slave
    RES=`HOME=~zabbix mysql -e 'SHOW SLAVE STATUS\G' | egrep '(Slave_IO_Running|Slave_SQL_Running):' | awk -F: '{print $2}' | tr '\n' ','`
    if [ "$RES" = " Yes, Yes," ]; then
        echo 1
    else
        echo 0
    fi
    exit
elif [ -e $CACHEFILE ]; then
    # Check and run the script
    TIMEFLM=`stat -c %Y /tmp/$HOST-mysql_cacti_stats.txt`
    TIMENOW=`date +%s`
    if [ `expr $TIMENOW - $TIMEFLM` -gt 300 ]; then
        rm -f $CACHEFILE
        $CMD 2>&1 > /dev/null
    fi
else
    $CMD 2>&1 > /dev/null
fi

# Parse cache file
if [ -e $CACHEFILE ]; then
    cat $CACHEFILE | sed 's/ /\n/g; s/-1/0/g'| grep $ITEM | awk -F: '{print $2}'
else
    echo "ERROR: run the command manually to investigate the problem: $CMD"
fi
[[email protected] scripts]# 

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