Manage GitHub org secrets in terraform (#65)

* Fix typo

* Configure gh actions secrets

terraform/README.md

@@ -16,7 +16,7 @@ We use [Terraform](https://www.terraform.io/docs/index.html) to manage our infra
 
 Contains configuration to create a terraform S3 backend. `provider.tf` in is configured to use the remote S3 backend.
 
-## bastion
+## bastion.tf
 
 Configures a bastion that allows Team Leads to exec into pods (normally to run manage.py commands).
 
@@ -36,6 +36,10 @@ Finally, a populated kubeconfig is pushed to vault for platform members to use.
 
 Creates an IAM user for GitHub Actions that can assume the `kubectl` IAM role as well as describe the EKS cluster (so that it can generate its own kubeconfig).
 
+## github.tf
+
+Creates organization GitHub Actions secrets used by our CI. Currently just AWS credentials and our AWS account ID.
+
 ## iam.tf
 
 Uses our [IAM Module](./modules/iam) to create IAM roles for all of our products that can be assumed by the correct Service Account in the `default` namespace.

terraform/github.tf

@@ -0,0 +1,17 @@
+resource "github_actions_organization_secret" "aws_account_id" {
+  secret_name     = "AWS_ACCOUNT_ID"
+  visibility      = "all"
+  plaintext_value = data.aws_caller_identity.current.account_id
+}
+
+resource "github_actions_organization_secret" "aws_access_key" {
+  secret_name     = "GH_AWS_ACCESS_KEY_ID"
+  visibility      = "all"
+  plaintext_value = aws_iam_access_key.gh-actions.id
+}
+
+resource "github_actions_organization_secret" "aws_secret_key" {
+  secret_name     = "GH_AWS_SECRET_ACCESS_KEY"
+  visibility      = "all"
+  plaintext_value = aws_iam_access_key.gh-actions.secret
+}

terraform/main.tf

@@ -43,6 +43,8 @@ locals {
   traefik_lb_name = "a3b77cc4561e649d4bcc2a89e1b63d7d"
 }
 
+data "aws_caller_identity" "current" {}
+
 data "aws_iam_policy_document" "assume-kubectl" {
   statement {
     actions   = ["sts:AssumeRole"]

terraform/provider.tf

@@ -28,6 +28,10 @@ provider "postgresql" {
   sslmode          = "require"
 }
 
+provider "github" {
+  organization = "pennlabs"
+}
+
 terraform {
   backend "s3" {
     region         = "us-east-1"