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parent
1124b18822
commit
7a8ab362db
2 changed files with 82 additions and 52 deletions
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@ -85,7 +85,7 @@ cp -r root/etc/default/dyndns /etc/default/dyndns
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{
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echo ""
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echo "DNSIMPLE_TOKEN=${DNSIMPLE_TOKEN}"
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echo "NAME=any;${CLOUD_REGION}"
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echo "CLOUD_REGION=${CLOUD_REGION}"
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} >>/etc/default/dyndns
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systemctl enable --now dyndns
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systemctl restart dyndns
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@ -29,27 +29,24 @@ error() {
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test -z "${DNSIMPLE_TOKEN}" && error "DNSIMPLE_TOKEN not set!"
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test -z "${DNSIMPLE_ACCOUNT_ID}" && error "DNSIMPLE_ACCOUNT_ID not set!"
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test -z "${DOMAIN}" && error "DOMAIN not set!"
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test -z "${NAME}" && error "NAME not set!"
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test -z "${CLOUD_REGION}" && error "CLOUD_REGION not set!"
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dns_list="$api_host/$DNSIMPLE_ACCOUNT_ID/zones/$DOMAIN/records"
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configure_record() {
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configure_single() {
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# disable glob expansion
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set -f
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domain_records=$1
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ip=$2
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type=$3
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domain=$2
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ip=$3
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type=$4
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for sub in ${NAME//;/ }; do
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record_id=$(echo "$domain_records" | jq ".data[] | select(.type == \"$type\" and .name == \"$sub\") | .id")
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record_data=$(echo "$domain_records" | jq -r ".data[] | select(.type == \"$type\" and .name == \"$sub\") | .content")
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record_id=$(echo "$domain_records" | jq ".data[] | select(.type == \"$type\" and .name == \"$domain\") | .id")
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record_data=$(echo "$domain_records" | jq -r ".data[] | select(.type == \"$type\" and .name == \"$domain\") | .content")
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# For all subdomains except "any"
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# we remove duplicates and only keep one A and AAAA records.
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if [[ "${sub}" != "any" ]]; then
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if [ "$(echo "$record_id" | wc -l)" -ge 2 ]; then
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warn "domain=$sub type=$type Domain name has duplicate DNS records, removing duplicates"
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warn "domain=$domain type=$type Domain name has duplicate DNS records, removing duplicates"
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record_id_to_delete=$(echo "$record_id" | tail -n +2)
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record_id=$(echo "$record_id" | head -1)
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record_data=$(echo "$record_data" | head -1)
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@ -61,16 +58,15 @@ configure_record() {
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"$dns_list/$line" &>/dev/null
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done <<<"$record_id_to_delete"
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fi
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fi
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# re-enable glob expansion
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set +f
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data="{\"type\": \"$type\", \"name\": \"$sub\", \"content\": \"$ip\", \"ttl\": $record_ttl}"
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data="{\"type\": \"$type\", \"name\": \"$domain\", \"content\": \"$ip\", \"ttl\": $record_ttl}"
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url="$dns_list/$record_id"
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if [[ -z $record_id ]]; then
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info "domain=$sub type=$type No record found. Creating record, sending data=$data to url=$url"
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info "domain=$domain type=$type No record found. Creating record, sending data=$data to url=$url"
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new_record=$(curl -s -X POST \
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-H "Content-Type: application/json" \
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@ -82,7 +78,7 @@ configure_record() {
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fi
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if [[ "$ip" != "$record_data" ]]; then
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info "domain=$sub type=$type Existing DNS record address ($record_data) doesn't match current IP ($ip), sending data=$data to url=$url"
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info "domain=$domain type=$type Existing DNS record address ($record_data) doesn't match current IP ($ip), sending data=$data to url=$url"
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curl -s -X PATCH \
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-H "Content-Type: application/json" \
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@ -90,9 +86,41 @@ configure_record() {
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-d "$data" \
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"$url" &>/dev/null
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else
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info "domain=$sub type=$type Existing DNS record address ($record_data) did not need updating"
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info "domain=$domain type=$type Existing DNS record address ($record_data) did not need updating"
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fi
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}
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configure_many() {
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# disable glob expansion
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set -f
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domain_records=$1
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domain=$2
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ip=$3
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type=$4
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record_id=$(echo "$domain_records" | jq ".data[] | select(.type == \"$type\" and .name == \"$domain\" and .content = \"$ip\") | .id")
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record_data=$(echo "$domain_records" | jq ".data[] | select(.type == \"$type\" and .name == \"$domain\" and .content = \"$ip\") | .content")
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# re-enable glob expansion
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set +f
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data="{\"type\": \"$type\", \"name\": \"$domain\", \"content\": \"$ip\", \"ttl\": $record_ttl}"
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url="$dns_list/$record_id"
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if [[ -z $record_id ]]; then
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info "domain=$domain type=$type No record found. Creating record, sending data=$data to url=$url"
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new_record=$(curl -s -X POST \
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-H "Content-Type: application/json" \
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-H "Authorization: Bearer $DNSIMPLE_TOKEN" \
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-d "$data" \
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"$url")
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record_data=$(echo "$new_record" | jq -r ".data")
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else
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info "domain=$domain type=$type Existing DNS record address ($record_data) did not need updating"
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fi
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done
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}
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while (true); do
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@ -118,14 +146,16 @@ while (true); do
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warn "IPv4 wasn't retrieved within allowed interval. Will try $sleep_interval seconds later.."
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else
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info "Found IPv4 address $ipv4"
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configure_record "$domain_records" "$ipv4" "A"
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configure_single "$domain_records" "$CLOUD_REGION" "$ipv4" "A"
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configure_many "$domain_records" "any" "$ipv4" "A"
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fi
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if [[ -z $ipv6 ]]; then
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warn "IPv6 wasn't retrieved within allowed interval. Will try $sleep_interval seconds later.."
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else
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info "Found IPv6 address $ipv6"
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configure_record "$domain_records" "$ipv6" "AAAA"
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configure_single "$domain_records" "$CLOUD_REGION" "$ipv6" "AAAA"
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configure_many "$domain_records" "any" "$ipv6" "AAAA"
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fi
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sleep "$sleep_interval"
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