function ntfy() {
  curl -H "Title: $1" -d "$2" ntfy.sh/ekzyis-id-you-would-like-to-know-was-here
}

some_command || ntfy "some_command failed" "exit code $? :("

check_ssl_expiry () {
    DOMAIN="$1"
    WARNING_THRESHOLD=30
    TIMEOUT=10

    printf "checking ssl expiry of $DOMAIN ... "

    CERT=$(echo "QUIT" | timeout $TIMEOUT openssl s_client -connect "$DOMAIN":443 2>/dev/null)
    RET=$?
    if [ $RET -eq 124 ]; then
      printf_timeout $TIMEOUT
      ntfy "ssl connect timeout" "$DOMAIN
timeout after $TIMEOUT seconds"
      return 124
    fi

    if [ ! $RET -eq 0 ]; then
      printf_color "openssl returned exit code $RET\n" "red"
      ntfy "ssl connect failed" "$DOMAIN: openssl returned exit code $RET"
      return 1
    fi

    EXPIRY=$(echo "$CERT" | openssl x509 -noout -enddate | cut -d'=' -f2)
    EXPIRY_EPOCH=$(date -d "$EXPIRY" +%s)
    NOW_EPOCH=$(date +%s)
    DAYS_LEFT=$(( ($EXPIRY_EPOCH - $NOW_EPOCH) / 86400 ))
    if [ $DAYS_LEFT -lt $WARNING_THRESHOLD ]; then
        printf_color "$DAYS_LEFT days left\n" "red"
        ntfy "ssl expiry" "$DOMAIN: $DAYS_LEFT day(s) left"
        return 1
    fi

    printf_color "$DAYS_LEFT days left\n" "green"
}