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CLI to add DNS Records in Route53
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| #!/bin/bash | |
| ## Allows for creation of "Basic" DNS records in a Route53 hosted zone | |
| ## set some defaults if variables haven't been overridden on script execute | |
| zone_name=${zone_name:-example.com.} | |
| action=${action:-UPSERT} | |
| record_type=${record_type:-A} | |
| ttl=${ttl:-300} | |
| wait_for_sync=${wait_for_sync:-false} | |
| # echo $zone_name | |
| # echo $action | |
| # echo $record_type | |
| # echo $ttl | |
| # echo $wait_for_sync | |
| # echo $1 | |
| # exit | |
| function main() { | |
| record_name=$1 | |
| record_value=$2 | |
| [[ ! -z $record_name ]] && echo "record_name is: $record_name" || exit 1 | |
| [[ ! -z $record_value ]] && echo "record_value is: $record_value" || exit 1 | |
| change_id=$(submit_resource_record_change_set) || exit 1 | |
| echo "Record change submitted! Change Id: $change_id" | |
| if $wait_for_sync; then | |
| echo -n "Waiting for all Route53 DNS to be in sync..." | |
| until [[ $(get_change_status $change_id) == "INSYNC" ]]; do | |
| echo -n "." | |
| sleep 5 | |
| done | |
| echo "!" | |
| echo "Your record change has now propogated." | |
| fi | |
| # echo 'Thank you for using "The Cloud".' | |
| } | |
| function change_batch() { | |
| jq -c -n "{\"Changes\": [{\"Action\": \"$action\", \"ResourceRecordSet\": {\"Name\": \"$record_name\", \"Type\": \"$record_type\", \"TTL\": $ttl, \"ResourceRecords\": [{\"Value\": \"$record_value\"} ] } } ] }" | |
| } | |
| function get_change_status() { | |
| aws route53 get-change --id $1 | jq -r '.ChangeInfo.Status' | |
| } | |
| function hosted_zone_id() { | |
| aws route53 list-hosted-zones | jq -r ".HostedZones[] | select(.Name == \"${zone_name}\") | .Id" | cut -d'/' -f3 | |
| } | |
| function submit_resource_record_change_set() { | |
| aws route53 change-resource-record-sets --hosted-zone-id $(hosted_zone_id) --change-batch $(change_batch) | jq -r '.ChangeInfo.Id' | cut -d'/' -f3 | |
| } | |
| function usage() { | |
| echo "usage: $0 <record_name> <record_value>" | |
| echo "" | |
| echo "possible env config settings and their defaults:" | |
| echo " - zone_name=$zone_name" | |
| echo " - action=$action" | |
| echo " - ttl=$ttl" | |
| echo " - record_type=$record_type" | |
| echo " - wait_for_sync=$wait_for_sync" | |
| echo " | |
| Example for multiple domains: | |
| cat list_of_domains|while read recordname; do record_type=CNAME scripts/add-dns-record.sh $recordname sub.example.com; done | |
| " | |
| echo "" | |
| } | |
| if [ "$#" -eq "0" ]; | |
| then | |
| usage; | |
| exit 0 | |
| fi | |
| main $1 $2 |
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