#!/bin/bash # Copyright (c) 2019-2021 David Timber # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in all # copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. set -e ARR_HOOKS=" aws " if [ $# -lt 2 ]; then echo "Usage: $0 [TTL] Hooks:" >&2 for h in $ARR_HOOKS; do echo -e "\t$h" done exit 2 fi HEAD_REC="$1" HOOK="$2" ZONE_ID="$3" if [ -z "$4" ]; then TTL=3600 else TTL="$4" fi aws_param () { cat << EOF { "Changes": [ { "Action": "UPSERT", "ResourceRecordSet": { "Name": "$1", "Type": "TXT", "TTL": $TTL, "ResourceRecords": [ { "Value": "\"$2\"" } ] } } ] } EOF } hook_aws () { aws route53 change-resource-record-sets\ --hosted-zone-id "$ZONE_ID"\ --change-batch "$(aws_param "$1" "$2")" } while read line; do if [ -z "$line" ]; then break; fi "hook_$HOOK" $line done read line "hook_$HOOK" "$HEAD_REC" "$line"