76 lines
2.1 KiB
Bash
76 lines
2.1 KiB
Bash
#!/bin/sh
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set -e
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source ./.env
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domain=$(python -c "print('.'.join('${PUBLIC_URL}'.split('.')[-2:]))")
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baseSubdomain=$(python -c "url='${PUBLIC_URL}'; print('.'.join(url.split('.')[:-2]) if url.count('.') > 1 else '@')")
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domainList=$(doctl compute domain records list "$domain" --output json)
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ttl=600
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function recordID() {
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subdomain=$1
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domain=$2
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echo $domainList | jq -r '.[] | select(.type == "A" and .name == "'"$subdomain"'") | .id'
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}
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function ipOfRecord() {
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recID=$1
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echo $domainList | jq -r '.[] | select(.id == '"$recID"') | .data'
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}
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function _currentIP() {
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ipData=$(curl -s https://am.i.mullvad.net/json)
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if test 'true' = `echo $ipData | jq .mullvad_exit_ip`
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then
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echo "error: connected to anonymizing VPN. This won't work."
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exit 1
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else
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echo $ipData | jq -r .ip
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fi
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}
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currentIP=`_currentIP`
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function checkRecord() {
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subdomain="$1"
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domain="$2"
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fullDomain="$(test "$subdomain" = @ && printf "" || printf "${subdomain}.")$domain"
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echo checking $fullDomain
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recID=`recordID $subdomain $domain`
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if test -n "$recID"
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then # record exists!
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printf "found record $recID "
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recIP=`ipOfRecord $recID`
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echo with IP $recIP
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if test "$recIP" = "$currentIP"
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then
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echo $fullDomain already set to correct IP $currentIP
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else
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echo $fullDomain IP set to $recIP when it should be $currentIP, updating...
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doctl compute domain records update $domain --record-id $recID --record-data $currentIP
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echo ...done
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fi
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else
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echo no record yet for $fullDomain, setting to $currentIP...
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doctl compute domain records create $domain \
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--record-ttl $ttl \
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--record-type A \
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--record-name $subdomain \
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--record-data $currentIP
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echo ...done
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fi
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}
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checkRecord $baseSubdomain $domain
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if test $baseSubdomain = @
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then
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checkRecord wopi $domain
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checkRecord office $domain
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else
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checkRecord wopi.$baseSubdomain $domain
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checkRecord office.$baseSubdomain $domain
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fi |