Updating an auto scaling group's (ASG) launch config exposes a little quirk: the old instances are not automatically taken out of service. Sometimes that's not a bad thing. Running a distributed database in an ASG would make taking old instances out of service all at once a bad idea. Other times removing the old servers… Continue reading How to Create New Autoscaling Groups on Lauch Configuration Change
Category: EC2
How to Update a Route53 Record on Instance Boot
I've been experimenting with running single instances in an autoscaling group. These single instances tend to be backing services that, while important, contain only ephemeral data that's okay being lost. A good example would be something like beanstalkd for a queue. Part of that process is registering the new instance with a Route 53 hosted… Continue reading How to Update a Route53 Record on Instance Boot
Christopher Davis 