Terraform-provider-aws: How to develop/ test existing provider locally?

[psura]

Hi: I am looking at the readme here https://github.com/terraform-providers/terraform-provider-aws
I would like to make some changes to terraform-aws-provider and test it out locally.
I have setup the GO Path and cloned the aws provider under the GO_PATH and make build also succeeded without errors.
How do I refer/point my terraform to use my local provider?
In other words inside below config, how do I tell terraform to point to locally build provider?
provider "aws" {
region = "${var.aws_region}"
profile = "${var.aws_profile}"
}

Thanks!
Pavan

[bflad]

Hi @psura 👋

Sorry this process may not be documented well anywhere other than the Plugin Installation documentation.

Here's the process I personally use for manually testing a custom provider binary (with my own Terraform configuration / outside the provider acceptance testing framework):

• Make code changes inside provider
• In the provider directory:
  
  
  
  • Run make build. This will create a provider binary in ${GOPATH}/bin/, e.g. ${GOPATH}/bin/terraform-provider-aws
  
  
• In your custom Terraform configuration directory
  
  
  
  • Run terraform init (optional if it hasn't be done already so it automatically creates the .terraform directory structure)
  
  
  • Copy the newly build provider binary inside the .terraform/plugins/OS_ARCH/ directory, replacing the existing one. e.g. on OS X with an existing 1.29.0 provider binary cp ${GOPATH}/bin/terraform-provider-aws .terraform/plugins/darwin_amd64/terraform-provider-aws_v1.29.0_x4
  
  
  • Run terraform init
  
  

Now you should be able to run other terraform commands like plan and apply with the custom provider binary. Personally I do it this way since I work with a lot of different codebases of the provider, but its probably important to mention that you can probably adjust this process using the Terraform plugin cache via the -plugin-dir flag as well.

[Puneeth-n]

@bflad I think lock.json needs to be updated ;)

[bflad]

I don't need to adjust lock.json personally, I believe the terraform init should adjust it.

[Puneeth-n]

@bflad Nice to know :)

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