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Change Terraform resource attribute

org.openrewrite.terraform.ChangeResourceAttribute

Change the value of a Terraform resource attribute if it matches a given pattern.

Recipe source​

This recipe is only available to users of Moderne.

This recipe is available under the Moderne Proprietary License.

Options​

TypeNameDescriptionExample
StringresourceNameA Terraform resource type, without the quotes.aws_db_instance
StringattributeNameThe name of the attribute to change.engine_version
StringoldValuePatternOptional. A regular expression to match the current attribute value. Only matching attributes will be changed. If not provided, all values will be changed. For quoted string values, match against the content without quotes.5\.7.*
StringnewValueThe new value to set. For quoted string attributes, provide the value without quotes.8.0

Used by​

This recipe is used as part of the following composite recipes:

Example​

Parameters​
ParameterValue
resourceNameaws_db_instance
attributeNameengine_version
oldValuePattern5\.7.*
newValue8.0
Before​
resource "aws_db_instance" "mysql" {
  engine         = "mysql"
  engine_version = "5.7"
  instance_class = "db.t3.micro"
}
After​
resource "aws_db_instance" "mysql" {
  engine         = "mysql"
  engine_version = "8.0"
  instance_class = "db.t3.micro"
}

Usage​

This recipe has required configuration parameters and can only be run by users of Moderne. To run this recipe, you will need to provide the Moderne CLI run command with the required options. Or, if you'd like to create a declarative recipe, please see the below example of a rewrite.yml file:

rewrite.yml
---
type: specs.openrewrite.org/v1beta/recipe
name: com.yourorg.ChangeResourceAttributeExample
displayName: Change Terraform resource attribute example
recipeList:
  - org.openrewrite.terraform.ChangeResourceAttribute:
      resourceName: aws_db_instance
      attributeName: engine_version
      oldValuePattern: 5\.7.*
      newValue: 8.0

You will need to have configured the Moderne CLI on your machine before you can run the following command.

shell
mod run . --recipe ChangeResourceAttribute --recipe-option "resourceName=aws_db_instance" --recipe-option "attributeName=engine_version" --recipe-option "oldValuePattern=5\.7.*" --recipe-option "newValue=8.0"

If the recipe is not available locally, then you can install it using:

mod config recipes jar install org.openrewrite.recipe:rewrite-terraform:3.12.0

See how this recipe works across multiple open-source repositories​

Run this recipe on OSS repos at scale with the Moderne SaaS.

The community edition of the Moderne platform enables you to easily run recipes across thousands of open-source repositories.

Please contact Moderne for more information about safely running the recipes on your own codebase in a private SaaS.

Data Tables​

Source files that had results​

org.openrewrite.table.SourcesFileResults

Source files that were modified by the recipe run.

Column NameDescription
Source path before the runThe source path of the file before the run. null when a source file was created during the run.
Source path after the runA recipe may modify the source path. This is the path after the run. null when a source file was deleted during the run.
Parent of the recipe that made changesIn a hierarchical recipe, the parent of the recipe that made a change. Empty if this is the root of a hierarchy or if the recipe is not hierarchical at all.
Recipe that made changesThe specific recipe that made a change.
Estimated time savingAn estimated effort that a developer to fix manually instead of using this recipe, in unit of seconds.
CycleThe recipe cycle in which the change was made.