https_mon.sh

!/bin/bash

to="[email protected]"
function status_check() {
        if [ $? -ne 0 ]; then
                echo "$1 failed" | mutt -s "ERROR: $PWD/$0" $to
                echo ":("
        fi
}

hosts=(
'www.something.asdf'
'www.something.asdf2'
)

for host in "${hosts[@]}"; do
        x=`echo | openssl s_client -servername $host -connect $host:443 2>/dev/null | openssl x509 -noout -dates | tail -1 | awk -F'=' '{print $NF}'`
        A=`date '+%Y-%m-%d'`
        B=`date -d "$x" '+%Y-%m-%d'`
        C=$(( (`date -d $B +%s` - `date -d $A +%s`) / 86400 ))

        #echo $host $C
        if [ $C -lt 7 ]; then
                echo "$host SSL failed, days remaining $C" | mutt -s "ERROR: $PWD/$0" $to
        fi
        status_check "openssl broke"
done