Alex Harvey's personal blog

• The climate impact of Australian nuclear power
• Rethinking home ownership: The impact of Rentvesting
• Migrating S3 Bucket ACLs
• Experiments in the Terraform Test framework, Part I: Plans
• Proof of concept of behave framework compared to shunit2
• How to write an AWS CLI script, Part I: Patterns
• Adding hosted secrets rotation Lambda to an RDS stack
• Using shUnit2 for end-to-end testing of Terraform and AWS
• Data consistency testing in Puppet, Part III: Direct data assertions
• Unit testing a CloudFormation UserData script with shunit2
• Why ERB should be preferred to Jinja2 for DevOps templating
• Comment on AEMO/CSIRO GenCost 2019-20
• Unit testing a Terraform user_data script with shUnit2
• A method of unit testing Jinja2 templates
• A method for migrating Serverless Framework to SAM
• GNU make for DevOps engineers
• A proof of concept for managing SAM templates using Sceptre
• Introduction to SAM Part IV: Updates to sam package and deploy in SAM CLI >= 0.33.1
• Adventures in the Terraform DSL, Part X: Templates
• When 3 Musketeers are two too many
• Adventures in the Terraform DSL, Part IX: Data sources
• Adventures in the Terraform DSL, Part VIII: The Puppet provisioner
• Adventures in the Terraform DSL, Part VII: Resource for_each in Terraform 0.12.6
• Adventures in the Terraform DSL, Part VI: Towards a unit testing framework
• Adventures in the Terraform DSL, Part V: Conditional logic
• Adventures in the Terraform DSL, Part IV: All about splats
• Adventures in the Terraform DSL, Part III: Iteration enhancements in Terraform 0.12
• Adventures in the Terraform DSL, Part II: Iteration in Terraform 0.11 and earlier
• Adventures in the Terraform DSL, Part I: Structured data
• A sed tutorial and reference
• Data consistency testing in Puppet, Part II: Testing file content
• Introduction to SAM Part III: Adding a proxy+ endpoint and CORS configuration
• Introduction to SAM Part II: Template and architecture
• Introduction to SAM Part I: Using the SAM CLI
• Unit testing a Python Boto3 Lambda function using Placebo
• Hierarchical data lookups using the Bash shell
• Configuring the Test Kitchen EC2 driver
• Configuration management with Troposphere and Jerakia
• Generating Markdown from source code using ERB
• The pros and cons of Puppet PDK
• Data consistency testing in Puppet, Part I: Data types
• The four SQL joins using Linux join and sort
• Using Placebo for Bash to auto-generate mocks in unit tests
• Testing AWS CLI scripts in shUnit2
• Analysing Puppet module dependencies using JQ
• Pretty-printing Puppet data
• Auto-generating Markdown tables of contents
• Creating a ZIP file for an AWS Lambda Python function
• Applying an edited Git patch in Vim
• JQ commands for Puppet catalogs
• Merge a Git repository and its history into a subdirectory of a second Git repository
• Unit Testing a Bash Script with shUnit2
• Using create_specs to refactor Puppet
• Introducing programmatic editing of Hiera YAML files
• Verifying file contents in a puppet catalog
• Mocking with rspec-puppet-utils
• Integration testing using Ansible and Test Kitchen
• Testing an Ansible role using Test Kitchen
• Setting up Puppet module testing from scratch: Part III, Travis CI
• Setting up Puppet module testing from scratch: Part II, Beaker for module testing
• Setting up Puppet module testing from scratch: Part I, Puppet-syntax, Puppet-lint and Rspec-puppet
• Speeding up Beaker on a Mac using SquidMan
• Rspec testing a simple Ruby script
• Dumping the catalog in rspec-puppet
• Parallelising rspec-puppet
• Using catalog-diff while refactoring Puppet code
• Compiling a puppet catalog – on a laptop