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Add Kubernetes client auth exec config support #506

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merged 2 commits into from
Jul 5, 2023
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@relu relu commented Jun 30, 2023

The implementation is similar to other Kubernetes Terraform providers
such as the kubectl or helm providers and allows the Flux provider to
authenticate against EKS clusters (or others supporting this method) by
configuring the client authentication exec plugin.

Example configuration for EKS:

provider "flux" {
  ...
  kubernetes {
    ...

    exec {
      api_version = "client.authentication.k8s.io/v1beta1"
      env         = {
        AWS_PROFILE = "example-profile"
      }
      command     = "aws"
      args        = [
        "--region",
        "us-east-1",
        "eks",
        "get-token",
        "--cluster-name",
        "example-cluster",
      ]
    }
  }
}

Closes: #406

@stefanprodan stefanprodan added the enhancement New feature or request label Jun 30, 2023
@relu relu force-pushed the kubernetes-exec branch 2 times, most recently from f8dbc43 to 342522e Compare June 30, 2023 13:17
@stefanprodan stefanprodan added the area/kubernetes Kubernetes bootstrap related issues and pull requests label Jun 30, 2023
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@darkowlzz darkowlzz left a comment

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LGTM!

Left a few minor suggestions that can be addressed or ignored.

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relu added 2 commits July 5, 2023 12:17
Signed-off-by: Aurel Canciu <[email protected]>
The implementation is similar to other Kubernetes Terraform providers
such as the kubectl or helm providers and allows the Flux provider to
authenticate against EKS clusters (or others supporting this method) by
configuring the client authentication exec plugin.

Example configuration for EKS:

```
provider "flux" {
  ...
  kubernetes = {
    ...
    exec = {
      api_version = "client.authentication.k8s.io/v1beta1"
      env         = {
        AWS_PROFILE = "example-profile"
      }
      command     = "aws"
      args        = [
        "--region",
        "us-east-1",
        "eks",
        "get-token",
        "--cluster-name",
        "example-cluster",
      ]
    }
  }
}
```

Signed-off-by: Aurel Canciu <[email protected]>
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@stefanprodan stefanprodan left a comment

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LGTM

Thanks @relu 🥇

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Add exec plugin to provider configuration
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