icanhasserver/status-check.sh

#!/bin/bash

#set -eux

RECIPIENTS="saunders@openworlds.info"
#witchescauldron@openworlds.info"

send_mail() {
    # Use bash's awful syntax to escape any / in the server string
    SERVER=${1//\//\\\/}
    STATUS=$2
    cat mail_template \
        | sed "s/{SERVER}/${SERVER}/g" \
        | sed "s/{STATUS}/${STATUS}/g" \
        | msmtp -a omn_server_watch ${RECIPIENTS}
}

URLS=(
    unite.openworlds.info
    openworlds.info
    pad.openworlds.info
    visionon.tv
)
# TODO: How to check these sensibly?
SERVICES=(
    chat.openworlds.info
    conference.openworlds.info
    # Not much point checking the mail server
    # as this script relies on it to send reports
    #mail.openworlds.info
)

declare -A FLAGGED

for uri in "${URLS[@]}"; do \
    full_uri="https://${uri}"
    echo -n "Checking: ${full_uri} ... ";
    stat="$(curl -s -o /dev/null -w "%{http_code}%{stdout}" ${full_uri})"
    echo "${stat}"

    if [ "${stat}" -ne "200" ]; then
        FLAGGED[${full_uri}]=${stat}
    fi
done

for i in "${!FLAGGED[@]}"; do \
    send_mail "${i}" "${FLAGGED[$i]}"
done