icanhasserver/status-check.sh

#!/bin/bash

#set -eux

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

URLS=(
    unite.openworlds.info
    openworlds.info
    pad.openworlds.info
    visionon.tv
    activism.openworlds.info
    campaign.openworlds.info
    #indymedia.openworlds.info
    #roadstonowhere.openworlds.info
    #indymedia.hs2rebellion.earth
)
# 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
    # TODO: Separate local check just for this?
    #mail.openworlds.info
)

send_mail() {
    local -n error_list=$1
    local error_string=""

    for i in "${!error_list[@]}"; do
        # Use bash's awful syntax to escape any / in the server string
        code=${i//\//\\\/}
        server=${error_list[$i]}
        error_string+="  ${code}: ${server}\n"
    done

    cat mail_template \
        | sed "s/{ERR_LIST}/${error_string}/g" \
        | msmtp -a omn_server_watch ${RECIPIENTS}
}

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}"

    # All other HTTP responses should not technically be errors
    if ((${stat} >= 400 && ${stat} <= 599)); then
        FLAGGED[${full_uri}]=${stat}
    fi
done

send_mail FLAGGED