github: update workflow to use test project and updated workflows

The presubmits were broken because it pointed to `master` which no
longer exists. It is now `main`. See https://github.com/google-github-actions/setup-gcloud

Upon fixing it, I discovered a few broken things that I also started
fixing in this PR.

.github/workflows/linux.yml

@@ -52,12 +52,13 @@ jobs:
           PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
           PUBLIC_KEY: ${{ secrets.SSH_PUBLIC_KEY }}
 
-      - name: Install Gcloud SDK
-        uses: google-github-actions/setup-gcloud@master
+      - name: Authenticate using ServiceAccount
+        uses: 'google-github-actions/auth@v2'
         with:
-          project_id: ${{ secrets.GCP_PROJECT_ID }}
-          service_account_key: ${{ secrets.GCP_SA_KEY }}
-          export_default_credentials: true
+          credentials_json: '${{ secrets.GCP_SA_KEY }}'
+
+      - name: Set up Cloud SDK
+        uses: 'google-github-actions/setup-gcloud@v2'
 
       - name: Deploy instance
         run: ../../.github/scripts/terraform-apply.sh ${{ matrix.distro }} ${{ matrix.agent_type }} ${{ matrix.version }}

.github/workflows/windows.yml

@@ -32,12 +32,13 @@ jobs:
           PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
           PUBLIC_KEY: ${{ secrets.SSH_PUBLIC_KEY }}
 
-      - name: Install Gcloud SDK
-        uses: google-github-actions/setup-gcloud@master
+      - name: Authenticate using ServiceAccount
+        uses: 'google-github-actions/auth@v2'
         with:
-          project_id: ${{ secrets.GCP_PROJECT_ID }}
-          service_account_key: ${{ secrets.GCP_SA_KEY }}
-          export_default_credentials: true
+          credentials_json: '${{ secrets.GCP_SA_KEY }}'
+
+      - name: Set up Cloud SDK
+        uses: 'google-github-actions/setup-gcloud@v2'
 
       - name: Deploy instance
         run: ../../.github/scripts/terraform-apply.sh ${{ matrix.distro }} ${{ matrix.agent_type }} ${{ matrix.version }}

test/packer/build.sh

@@ -22,7 +22,7 @@ cat <<END>packer.json
           "image_family": "puppet-${image_family}",
           "source_image_family": "${image_family}",
           "type": "googlecompute",
-          "project_id": "united-aura-313415",
+          "project_id": "stackdriver-test-143416",
           "ssh_username": "packer",
           "zone": "us-east1-b",
           "startup_script_file": "bootstrap.sh",

test/terraform/main.tf

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 variable "project" {
-  default = "united-aura-313415"
+  default = "stackdriver-test-143416"
 }
 
 variable "preemptible" {