move steps to config

.cloudbuild/library_generation/cloudbuild-library-generation-integration-test.yaml

@@ -13,38 +13,51 @@
 # limitations under the License.
 
 timeout: 7200s # 2 hours
+substitutions:
+    _TEST_IMAGE: "test-image:latest"
 steps:
+- name: gcr.io/cloud-builders/docker
+  args: [
+      "build",
+      "-t", "${_TEST_IMAGE}",
+      "-f", ".cloudbuild/library_generation/library_generation_airlock.Dockerfile",
+      "."
+  ]
+  id: build-image
+  waitFor: ["-"]
+  env:
+  - "DOCKER_BUILDKIT=1"
+- name: ubuntu:24.04
+  entrypoint: bash
+  args:
+  - "-c"
+  - |
+    cd /workspace
+    git clone https://github.com/googleapis/googleapis
+    cd googleapis
+    git switch 113a378d5aad5018876ec0a8cbfd4d6a4f746809
+  id: download-api-definitions
+  waitFor: ["-"]
 - name: ubuntu:24.04
   entrypoint: bash
   args:
-    - "-c"
-    - |
-      # Install docker
-      apt-get update
-      apt-get install -y ca-certificates curl gnupg lsb-release
-      mkdir -p /etc/apt/keyrings
-      curl -fsSL https://download.docker.com/linux/ubuntu/gpg | \
-        gpg --dearmor -o /etc/apt/keyrings/docker.gpg
-      echo \
-        "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
-        $(lsb_release -cs) stable" | \
-        tee /etc/apt/sources.list.d/docker.list > /dev/null
-      apt-get update
-      apt-get -y install \
-        docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin \
-        maven python3.12-venv
-      # Install python dependencies
-      python3 -m venv .venv
-      source .venv/bin/activate
-      python --version
-      pip install --upgrade pip
-      pip install --require-hashes -r hermetic_build/common/requirements.txt
-      pip install hermetic_build/common
-      pip install --require-hashes -r hermetic_build/library_generation/requirements.txt
-      pip install hermetic_build/library_generation
-      python3 -m unittest hermetic_build/library_generation/tests/integration_tests_cloud_build.py
+  - "-c"
+  - |
+    cd /workspace
+    git clone https://github.com/googleapis/google-cloud-java
+    cd google-cloud-java
+    git switch 113a378d5aad5018876ec0a8cbfd4d6a4f746809
+    git checkout chore/test-hermetic-build
+    mkdir ../golden
+    cd ../golden
+    cp -r ../google-cloud-java/java-apigee-connect .
+    cp -r ../google-cloud-java/java-alloydb .
+    cp -r ../google-cloud-java/java-alloydb-connectors .
+    cp -r ../google-cloud-java/java-cloudcontrolspartner .
+    cp -r ../google-cloud-java/gapic-libraries-bom .
+    cp -r ../google-cloud-java/pom.xml .
+  id: prepare-golden
   waitFor: ["-"]
-  id: integration-test
 
 options:
   logging: CLOUD_LOGGING_ONLY