Add monitoring script to server for monitoring top, iostat etc

#!/bin/sh
path="/var/log/server-status"
ddd=`date +%Y-%m-%d`
logfile=$path/$ddd/logfile.txt
​
### Check if direction to store log exists, if doesn't - create it ###
if [ ! -d $path/$ddd ]; then
    mkdir $path/$ddd
fi
​
### Add blank line and head 5 of top on every script run ###
echo >> $logfile
echo "!-------------------------------------------- top 20" >> $logfile
COLUMNS=512 /usr/bin/top -cSb -n 1 | head -20                           >> $logfile
​
echo "!---------------------------------------- vmstat 1 4" >> $logfile
/usr/bin/vmstat 1 4                                         >> $logfile
​
### Check if load average is greater or equal 7 if it does - collect needed stats ###
​
if [ `cat /proc/loadavg | /usr/bin/awk '{ print $1 }' | /usr/bin/cut -d. -f1-1` -ge 3 ]
then
​
### INSERT custom gathering commands after this line, they are executed only when LA is above 7
​
###
​
echo "!---------------------------------- netstat by state" >> $logfile
/bin/netstat -an|awk '/tcp/ {print $6}'|sort|uniq -c        >> $logfile
​
echo "!-------------------------------- ps by memory usage" >> $logfile
ps aux | sort -nk +4 | tail                                 >> $logfile
​
echo "!------------------------------------- iotop -b -n 3" >> $logfile
/usr/sbin/iotop -b -o -n 3                                  >> $logfile
​
echo "!------------------------------------------- ps axuf" >> $logfile
ps axuf                                                     >> $logfile
​
echo "!---------------------------- mysqladmin processlist" >> $logfile
/usr/bin/mysqladmin processlist -v                          >> $logfile
​
fi
​
### Do something more if load average does not match threshold ###
​
### Remove directories older then 30 days ###
cd $path
ls -1r|grep -v getstatus|sed -n '30,$p'|xargs -i rm -rf "{}"

vi /etc/cron.d/getstats

* * * * * root /usr/bin/flock -n /var/run/cloudlinux_getstats.cronlock /bin/sh /var/log/server-status/getstats.sh >/dev/null 2>&1