Merge pull request #184 from dandi/add-tfcloud-oidc-auth

terraform/aws_oidc.tf

@@ -0,0 +1,43 @@
+data "tls_certificate" "tfc_certificate" {
+  url = "https://app.terraform.io"
+}
+
+resource "aws_iam_openid_connect_provider" "tfc_provider" {
+  url             = data.tls_certificate.tfc_certificate.url
+  client_id_list  = ["aws.workload.identity"]
+  thumbprint_list = [data.tls_certificate.tfc_certificate.certificates[0].sha1_fingerprint]
+}
+
+resource "aws_iam_role" "tfc_role" {
+  name = "terraform-cloud-role"
+
+  assume_role_policy = jsonencode({
+    "Version" : "2012-10-17",
+    "Statement" : [
+      {
+        "Effect" : "Allow",
+        "Principal" : {
+          "Federated" : "${aws_iam_openid_connect_provider.tfc_provider.arn}"
+        },
+        "Action" : "sts:AssumeRoleWithWebIdentity",
+        "Condition" : {
+          "StringEquals" : {
+            "app.terraform.io:aud" : "${one(aws_iam_openid_connect_provider.tfc_provider.client_id_list)}"
+          },
+          "StringLike" : {
+            "app.terraform.io:sub" : "organization:dandi:project:Default Project:workspace:dandi-prod:run_phase:*"
+          }
+        }
+      }
+    ]
+  })
+}
+
+data "aws_iam_policy" "administrator_access" {
+  arn = "arn:aws:iam::aws:policy/AdministratorAccess"
+}
+
+resource "aws_iam_role_policy_attachment" "tfc_policy_attachment" {
+  role       = aws_iam_role.tfc_role.name
+  policy_arn = data.aws_iam_policy.administrator_access.arn
+}