Dustin Collins
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If your infrastructure runs on AWS and you’re not yet using CloudFormation, you should give it a go. CloudFormation (from here on, “CFN”) is a powerful...
The March 24 Boston DevOps meetup was a show and tell, a series of short talks from the community on tools and techniques they find helpful in their daily...
The latest Boston DevOps meetup focused on the habits that are important to encourage for successful DevOps adoptions. My co-organizer, Dave Fredricks...
READMEs. User manuals. Operation guides. Handbooks. Command-line help. Internal chat. Company blogs. As software engineers, we write often, and in many...
You just landed your first software job. You’re excited, this is a great opportunity! You’ll be able to apply that expensive Computer Science degree to...
If you work at a DevOps organization, you use a lot of tools. Communication, architecture, planning, programming, testing. I always like reading what...
When the Gotham City police summon the Dark Knight, they broadcast an unmistakable signal. Everyone knows what it means, the immediacy, and the intended...
What skill set is desirable for an engineer in a DevOps organization? Let’s take a look. Surveying DevOps job posts, you need to be intimately familiar...
DevOps is hot. Everyone wants it. Continuous delivery is not just for the cool kids in the loft office anymore. Enterprises that have a long history of...
We’re using Docker a lot now at Conjur. Jenkins integration tests - Docker, dev environments - Docker, shipping a virtual appliance - Docker. You get...
I’ve been spoiled as a software engineer. When I write Python, Ruby or Javascript I have a REPL to try different ideas out. I can set breakpoints in PyCharm...
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[...] of the parser out to create_parser. I did this to make it easier to test. Here are a couple unit tests: tests/test_ping.py In the above test file I set up a CommandLineTestCase class that will add [...]
[...] Chef recipes is a very good idea, but will only get you so far. You can have 100s of passing unit tests and your Chef converges will still fail. Integration testing can greatly increase the [...]
[...] instances. But what happens when you need those keys? I ran across this problem running unit tests on Jenkins for a Chef cookbook that uses citadel to pull config secrets out of S3. I [...]
[...] JSON file CloudFormation needs. A teammate pushes a new feature for the Flask app to Github. A Jenkins job is triggered and runs the tests and linting for the app. If the build is successful, a job is [...]
[...] our tests. Great, now our tests pass and we didn’t have to hard-code any credentials into the Jenkins job! If you’re using boto for Python or fog for Ruby, they will internally query the instance [...]
[...] so far. You can have 100s of passing unit tests and your Chef converges will still fail. Integration testing can greatly increase the confidence you have in your Chef code. In this post, I’ll [...]
[...] for the cookbook On successful build, it triggers a job to push the updated cookbook to the Chef server. We’re using hosted Chef, so we assumed this would be seamless. Nope. A developer would push, [...]
[...] to present information on various subsystems. PyChef A Python API for interacting with your Chef server. I use this in our deployment and monitoring tooling. When I want to deploy an app, I use [...]
Most resources discussing testing with Chef deal with unit testing. Unit testing your Chef recipes is a very good idea, but will only get you so far. [...]
I’m doing a presentation on how to use serverspec to create a tight feedback loop for infrastructure coding at the next Boston DevOps meetup Nov 19t [...]
[...] of the parser out to create_parser. I did this to make it easier to test. Here are a couple unit tests: tests/test_ping.py In the above test file I set up a CommandLineTestCase class that will add [...]
[...] Chef recipes is a very good idea, but will only get you so far. You can have 100s of passing unit tests and your Chef converges will still fail. Integration testing can greatly increase the [...]
[...] instances. But what happens when you need those keys? I ran across this problem running unit tests on Jenkins for a Chef cookbook that uses citadel to pull config secrets out of S3. I [...]
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