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Optional args for SSH key + disk whitelist regex pattern #3

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Optional args for SSH key + disk whitelist regex pattern #3

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34 changes: 22 additions & 12 deletions check_disk.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,6 @@
# CRITICAL. DISK STATS: / 14% of 33G, /dev 0% of 956M, /dev/shm 1% of 966M, /run 1% of 966M, /sys/fs/cgroup 0% of 966M, /boot 34% of 521M,; Warning / has 14% of utilization or 4.3G of 33G,; Critical /boot has 34% of utilization or 175M of 521M,
#
##########################################################

j=0; ok=0
warn=0; crit=0
COMMAND="/bin/df -PH"
Expand All @@ -50,7 +49,7 @@ TEMP_FILE="/var/tmp/df.$RANDOM"
help() {
cat << END
Usage :
check_disk.sh -l [STRING] -H [STRING] -w [VALUE] -c [VALUE]
check_disk.sh -l [STRING] -H [STRING] -w [VALUE] -c [VALUE] [-i PrivKey] [-d 'regex_pattern']

OPTION DESCRIPTION
----------------------------------
Expand All @@ -59,34 +58,45 @@ Usage :
-H [STRING] Host name
-w [VALUE] Warning Threshold
-c [VALUE] Critical Threshold
-i [STRING] Path to the private SSH Key (optional)
-d [STRING] Whitelist regex string for filesystems and mountpoints (optional, default: all)

----------------------------------
Note : [VALUE] must be an integer.
END
}

## Validating and setting the variables and the input args
if [ $# -ne 8 ]
then
help;
exit 3;
fi

while getopts "l:H:n:w:c:" OPT
while getopts "l:H:n:w:c:i:d:" OPT
do
case $OPT in
l) USERNAME="$OPTARG" ;;
H) HOSTNAME="$OPTARG" ;;
w) WARN="$OPTARG" ;;
c) CRIT="$OPTARG" ;;
i) KEY="$OPTARG" ;;
d) DISKPATTERN="$OPTARG" ;;
*) help ;;
esac
done

if [ ! -z "$KEY" ]; then
if [ -r "$KEY" ]; then
KEY="-i $KEY"
else
echo "ERROR: Key $KEY is not readable."
exit 3
fi
fi

get_data () {
## Sending the ssh request command and store the result into local log file
ssh -l ${USERNAME} ${HOSTNAME} -C ${COMMAND} > ${TEMP_FILE}.tmp
cat ${TEMP_FILE}.tmp | grep -v Used | grep -v '0 0 0'|grep -ve '- - -' > ${TEMP_FILE}
ssh -l ${USERNAME} ${KEY} ${HOSTNAME} -C ${COMMAND} > ${TEMP_FILE}.tmp
if [ ! -z "$DISKPATTERN" ]; then
cat ${TEMP_FILE}.tmp | grep -E $DISKPATTERN | grep -v Used | grep -v '0 0 0'|grep -ve '- - -' > ${TEMP_FILE}
else
cat ${TEMP_FILE}.tmp | grep -v Used | grep -v '0 0 0'|grep -ve '- - -' > ${TEMP_FILE}
fi

EQP_FS=$(cat ${TEMP_FILE} | grep -v Used |grep -v '0 0 0'|grep -ve '- - -' | wc -l) # determine how many FS are in the server
}

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