SSL証明書の有効期限を確認するスクリプト - Qiita

# !/bin/bash ## validate_certs - Check SSL certificate expiration date WARN_DAYS=30 TARGETS=( "secure.example.com" ) function show_enddate() { echo "" | openssl s_client -connect $1:443 2> /dev/null | openssl x509 -enddate -noout | sed 's/notAfter\=//' } echo "SSL Certificate Expiration Checking ($(date -R))" echo i_now=$(date "+%Y%m%d%H%M%S") i_warn=$(date -d "$WARN_DAYS days" "+%Y%m%d%H%M%S") fo