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POAttempting to update Amazon Route53 using a script, but domain is not being updated
 

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  1. POAttempting to update Amazon Route53 using a script, but domain is not being updated
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    <p>I have several Amazon EC2 instances, running Ubuntu 10.04, with which I'd like to use Amazon's Route53. I setup a script as described in Shlomo Swidler's <a href="http://shlomoswidler.com/2010/12/using-aws-route-53-to-keep-track-of-ec2-instances.html?utm_source=feedburner&amp;utm_medium=feed&amp;utm_campaign=Feed%3a%20CloudDeveloperTips%20%28Cloud%20Developer%20Tips%20by%20Shlomo%20Swidler%29&amp;utm_content=Twitter" rel="nofollow">article</a>, but I'm still missing something.</p> <p>When the script runs, it doesn't return any output, which I initially assumed meant it ran correctly. However, when I check the DNS records using <a href="https://myr53dns.com" rel="nofollow">MyR53DNS</a>, there are no entries for my instances. Here's my script:</p> <pre><code>#!/bin/tcsh -f set root=`dirname $0` setenv EC2_HOME /usr/lib/ec2-api-tools setenv EC2_CERT /etc/cron.route53/ec2_x509_cert.pem setenv EC2_PRIVATE_KEY /etc/cron.route53/ec2_x509_private.pem setenv AWS_ACCESS_KEY_ID myaccesskeyid setenv AWS_SECRET_ACCESS_KEY myaccesskey /usr/bin/ec2-describe-instances | \ perl -ne '/^INSTANCE\s+(i-\S+).*?(\S+\.amazonaws\.com)/ \ and do { $dns = $2; print "$1 $dns\n" }; /^TAG.+\sShortName\s+(\S+)/ \ and print "$1 $dns\n"' | \ perl -ane 'print "$F[0] CNAME $F[1] --replace\n"' | \ xargs -n 4 /etc/cron.route53/cli53/cli53.py \ rrcreate -x 60 mydomain.com </code></pre> <p>Does anyone see a problem with this script? If its not the script, what else could be preventing my Route53 domain from being updated?</p> <p>I am using the Security Groups to IP-restrict the instances. I've tried opening port 53, but that didn't seem to have an effect. Is there another port that Route53 uses?</p> <p>I'd appreciate any help or guidance the StackOverflow community can offer. Let me know if you need any further info.</p>
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