Question 1

How do I use terraform-plan-parser to send alerts for specific resource changes?

Accepted Answer

Parse the plan output to JSON using the CLI or API, then filter the 'changedResources' array by 'type' or 'action' to detect changes like IAM policy updates. Integrate with notification services like email or Slack in your automation scripts.

Question 2

Terraform plan parser vs terraform show -json: which is better?

Accepted Answer

Terraform's native 'terraform show -json' parses the binary plan file and is more stable for that format, but terraform-plan-parser is safer for textual stdout and offers a JavaScript API. Choose based on whether you need binary parsing or prefer textual integration.

Question 3

Can terraform-plan-parser handle Terraform 0.12 or newer output?

Accepted Answer

Yes, it's designed to parse the textual stdout from Terraform plans, which is consistent across versions, but always check compatibility as Terraform updates might affect output format. The README doesn't specify version limits, so test with your Terraform version.

Question 4

How to integrate terraform-plan-parser into a CI/CD pipeline like Jenkins?

Accepted Answer

Install it via npm or yarn in your pipeline, run 'terraform plan' and pipe the output to the CLI tool to generate JSON. Use the JSON to trigger conditional steps, such as blocking applies for destructive changes or sending notifications.

Question 5

What are the limitations of parsing text vs binary Terraform plans?

Accepted Answer

Text parsing is slower for large plans and depends on stdout formatting, which might omit some details. Binary parsing via 'terraform show -json' is faster and more robust but requires the binary file, which terraform-plan-parser doesn't support.

Question 6

Is terraform-plan-parser actively maintained and compatible with latest Terraform?

Accepted Answer

The README shows badges for builds and coverage, indicating maintenance, but check GitHub for recent updates. Compatibility depends on Terraform's stdout stability; monitor for issues when upgrading Terraform.

terraform-plan-parser

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