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@Buzut /httpd.sh
Last active Jun 22, 2016

What would you like to do?
Various simple Sensu checks
#!/bin/bash
# check if given host returns HTTP status 200
# usage: httpd.sh [host:port]
# ex: httpd localhost:3000
# if no arguments, default to localhost:80
if [ -z "$1" ]
then
httpd=`curl -s -D - localhost -o /dev/null | sed -n '/HTTP/p'`
else
httpd=`curl -s -D - $1 -o /dev/null | sed -n '/HTTP/p'`
fi
if [[ "$httpd" == *200* ]]
then
echo "httpd up"
exit 0
else
echo "httpd down"
exit 2
fi
#!/bin/bash
#template from https://www.thomas-krenn.com/en/wiki/Mdadm_checkarray
# monitor mismatch_cnt (/sys/block/md*/md/mismatch_cnt)
# usage: raid.sh [warning critical]
# if no arguments, defaults to 1 10
if [ -z "$1" ]
then
WARN_LIMIT=1
else
WARN_LIMIT=$1
fi
if [ -z "$2" ]
then
CRIT_LIMIT=10
else
CRIT_LIMIT=$2
fi
if [ -z $WARN_LIMIT ] || [ -z $CRIT_LIMIT ]
then
echo "Usage: raid.sh WARNLIMIT CRITLIMIT"
exit 3;
else
DATA=-1
for file in /sys/block/md*/md/mismatch_cnt
do
DATA=`cat $file`
MD_NAME=`echo $file | awk 'BEGIN { FS = "/" } ; { print $4 }'`
PERF_DATA+="$MD_NAME=`cat $file` "
done
if [ $DATA -eq -1 ]
then
echo "UNKNOWN - software raid mismatch_cnts not found | $PERF_DATA"
exit 3;
fi
if [ $DATA -lt $WARN_LIMIT ]
then
echo "OK - all software raid mismatch_cnts are smaller than $WARN_LIMIT | $PERF_DATA"
exit 0;
fi
if [ $DATA -ge $WARN_LIMIT ] && [ $DATA -lt $CRIT_LIMIT ]
then
echo "WARNING - software raid mismatch_cnts are greater or equal than $WARN_LIMIT | $PERF_DATA"
exit 1;
fi
if [ $DATA -ge $CRIT_LIMIT ]
then
echo "CRITICAL - software raid mismatch_cnts are greater or equal than $CRIT_LIMIT | $PERF_DATA"
exit 2;
fi
if [ $DATA -eq -1 ]
then
echo "UNKNOWN - software raid mismatch_cnts not found | $PERF_DATA"
exit 3;
fi
fi
#!/bin/bash
# check if server needs to be restarted
if [ -f /var/run/reboot-required ]
then
echo "A reboot is needed"
exit 1
else
echo "All good!"
exit 0
fi
#!/bin/bash
# check if a given service is running
# usage: service.sh serviceName
service=$1
if [ -z $service ]
then
echo "Usage: service.sh serviceName"
exit 3
fi
# search for line with "active (running)"
return=`service $service status | grep "active (running)"`
# if nothing is found, var is empty
if [ -z "return" ]
then
echo "Ooops, $service has stopped"
exit 2
else
echo "All good!"
exit 0
fi
#!/bin/bash
# check if disks pass SMART test
for disk in `lsblk | grep disk | cut -d ' ' -f 1`
do
status=`smartctl --health /dev/$disk | grep PASSED`
if [[ -z "$status" ]]
then
echo "Disk $disk has a problem"
diskFailure=true
fi
done
if [[ $diskFailure = "true" ]]
then
exit 2
else
echo All disks ok
exit 0
fi
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