ci: use collision resistant name for Terraform e2e test (#2967)

* Use collision resistant name for Terraform e2e test
* Remove test suffix from Terraform provider examples

---------

Signed-off-by: Daniel Weiße <dw@edgeless.systems>

.github/workflows/e2e-test-provider-example.yml

@@ -83,14 +83,6 @@ jobs:
           ref: main
           stream: nightly
 
-      - name: Create resource prefix
-        id: create-prefix
-        shell: bash
-        run: |
-          run_id=${{ github.run_id }}
-          last_three="${run_id: -3}"
-          echo "prefix=e2e-${last_three}" | tee -a "$GITHUB_OUTPUT"
-
       - name: Determine cloudprovider from attestation variant
         id: determine
         shell: bash
@@ -124,6 +116,16 @@ jobs:
           buildBuddyApiKey: ${{ secrets.BUILDBUDDY_ORG_API_KEY }}
           nixTools: terraform
 
+      - name: Create prefix
+        id: create-prefix
+        shell: bash
+        run: |
+          uuid=$(uuidgen | tr "[:upper:]" "[:lower:]")
+          uuid="${uuid%%-*}"
+          uuid="${uuid: -3}" # Final resource name must be no longer than 10 characters on AWS
+          echo "uuid=${uuid}" | tee -a "${GITHUB_OUTPUT}"
+          echo "prefix=e2e-${uuid}" | tee -a "${GITHUB_OUTPUT}"
+
       - name: Build Constellation provider and CLI # CLI is needed for the upgrade assert and container push is needed for the microservice upgrade
         working-directory: ${{ github.workspace }}
         id: build

terraform-provider-constellation/examples/full/azure/main.tf

@@ -44,8 +44,8 @@ module "azure_iam" {
   // replace $VERSION with the Constellation version you want to use, e.g., v2.14.0
   source                 = "https://github.com/edgelesssys/constellation/releases/download/$VERSION/terraform-module.zip//terraform-module/iam/azure"
   location               = local.location
-  service_principal_name = "${local.name}-test-sp"
-  resource_group_name    = "${local.name}-test-rg"
+  service_principal_name = "${local.name}-sp"
+  resource_group_name    = "${local.name}-rg"
 }
 
 module "azure_infrastructure" {

terraform-provider-constellation/examples/full/gcp/main.tf

@@ -46,7 +46,7 @@ module "gcp_iam" {
   // replace $VERSION with the Constellation version you want to use, e.g., v2.14.0
   source             = "https://github.com/edgelesssys/constellation/releases/download/$VERSION/terraform-module.zip//terraform-module/iam/gcp"
   project_id         = local.project_id
-  service_account_id = "${local.name}-test-sa"
+  service_account_id = "${local.name}-sa"
   zone               = local.zone
   region             = local.region
 }