Category Archives: DevOps

Jenkins Declarative Pipeline: Run a stage without holding up an agent

Posted on June 19, 2019 by Jay V

If you have a Jenkins declarative pipeline , you’re generally bound to have more than one stage with steps within each of them. The usual way of declaring a node/agent/slave is by declaring an agent directive encompassing the stages{} directive, … Continue reading →

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AWS: Prevent VPC Modifications

Posted on April 21, 2018 by Jay V

If you have a busy AWS environment accessed by multiple developers, you will have someone modify your some aspect of your core infrastructure inadvertently. In our case, we have our VPC-related infrastructure deployed using Cloudformation and maintained via CF stack … Continue reading →

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Cloudformation: Optional Resource Parameters

Posted on February 10, 2018 by Jay V

When creating Cloudformation templates, occasionally, you come across situations where you only want to remove parameters from a Resource when on certain conditions. As an example, for an ECS Service resource, the parameters ‘LoadBalancers’ and ‘Role’ are both required only if you … Continue reading →

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AWS: Deleting Old Access-Key/Secret-Key Pairs

Posted on December 30, 2017 by Jay V

If you have a busy AWS environment with access to multiple developers , it can be useful to automatically clean up IAM user Access Keys every so often for security. Here’s a simple Python script that can be plugged into … Continue reading →

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Real Backups On The Cheap

Posted on September 23, 2017 by Jay V

So you have your data on the “cloud” – on Dropbox or GDrive folders – and you believe you’ve done a decent job of safe-guarding your precious files, while really you’ve only saved your files against total computer or hard-drive … Continue reading →

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Programmatically Trigger Travis Builds on GitHub

Posted on October 11, 2016 by Jay V

Our code for this specific project (which is on GitHub) is designed to handle infrastructure creation and rebuilds. For this purpose, we wanted to to be able to trigger our Travis builds for specific branches via simple Bash scripts, based … Continue reading →

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TravisCI: Export From Bash Scripts

Posted on June 15, 2016 by Jay V

Let’s say your TravisCI file is cluttering up due to having too many shell / bash commands in the “.travis.yml” file and you’ve decided to move the commands out to a separate shell script. Now, you’ll want to get export/return … Continue reading →

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