refresh_letsencrypt_cert1.sh

#!/bin/sh

# Slack Channel & Webhook URL
CHANNEL="#xxxxx"
WEBHOOKURL="https://hooks.slack.com/services/XXXXXX/XXXXXXXX/XXXXXXXXXXXXXXXXXX"

#Slackに通知
function slack () {
    MESSAGE="$1"
    BOTNAME="KS STG Server"
    curl -s -S -X POST -d "payload={\"channel\": \"${CHANNEL}\", \"username\": \"${BOTNAME}\", \"text\": \"${MESSAGE}\" }" ${WEBHOOKURL} >/dev/null
}

# letsencrypt ssl authentication renewal log
LOG=/var/log/letsencrypt/renew.log
TMP=tmp.log

echo "[START] $(date '+%Y/%m/%d %H:%M:%S')" >> $LOG 2>&1

message="Lets Encrypt SSL証明書更新"

touch $TMP
/root/certbot/certbot-auto renew --force-renewal && service httpd graceful > $TMP 2>&1

echo 'Success Update SSL. and execute httpd graceful !' >> $LOG 2>&1
message="$message
SSL証明書を強制更新し、 httpd サーバを再起動しました。"

slack "$message"

cat $TMP >> $LOG
rm $TMP

echo "[FINISH] $(date '+%Y/%m/%d %H:%M:%S')" >> $LOG 2>&1