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How to Use Ignore_Changes Argument in Terraform Lifecycle

Blog post from Spacelift

Post Details
Company
Date Published
Author
Jack Roper
Word Count
993
Company Posts That Month
18
Language
English
Hacker News Points
-
Post removed?
No
Summary

The `ignore_changes` argument in Terraform is used within the lifecycle meta-argument to prevent specific attributes of a resource from being considered when determining whether to update or recreate the resource. This can effectively prevent certain changes from being applied to your infrastructure. Common use cases for ignore_changes include ignoring non-persistent or constantly changing attributes, immutable or rarely changed attributes, metadata or auxiliary information, automatically computed attributes, sensitive data, and attributes controlled by external processes. When using `ignore_changes`, it is important to ensure that the attribute names match exactly with those defined in the resource schema, and that only attributes defined by the resource type can be ignored. The argument operates at the attribute level and applies only to the resource where it's defined.

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