April 2017
Intermediate to advanced
394 pages
10h 31m
English
Content preview from AWS Administration Cookbook
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Outputs
Just like AWS resources, CloudFormation stacks can also have return values, called outputs. These values are entirely user defined. If you don't specify any outputs, then nothing is returned when your stack is completed.
Outputs can come in handy when you are using a CI/CD tool to create your CloudFormation stacks. For example, you might like to output the public hostname of an ELB so your CI/CD tool can turn it into a clickable link within the job output.
You'll also use them when your are linking together pieces of your layer cake. You may want to reference an S3 bucket or security group created in another stack. This is much easier to do with the new cross-stack references feature, which we'll discuss later in this chapter. You ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.