pass python version to pack

Author: glasnt

run/django/e2e_test.py

@@ -18,6 +18,7 @@
 from collections.abc import Iterator
 import os
 import subprocess
+import sys
 import uuid
 
 import backoff
@@ -27,6 +28,7 @@
 # Unique suffix to create distinct service names
 SUFFIX = uuid.uuid4().hex[:10]
 
+PYTHON_VERSION = f"{sys.version_info.major}.{sys.version_info.minor}"
 SAMPLE_VERSION = os.environ.get("SAMPLE_VERSION", None)
 GOOGLE_CLOUD_PROJECT = os.environ["GOOGLE_CLOUD_PROJECT"]
 REGION = "us-central1"
@@ -89,6 +91,7 @@ def run_shell_cmd(args: list) -> subprocess.CompletedProcess:
 def deployed_service() -> str:
     substitutions = [
         f"_VERSION={SUFFIX},"
+        f"_PYTHON_VERSION={PYTHON_VERSION},"
         f"_SERVICE={SERVICE},"
         f"_REGION={REGION},"
         f"_DB_PASS={POSTGRES_PASSWORD},"

run/django/e2e_test_setup.yaml

@@ -70,7 +70,8 @@ steps:
 
   - id: "Build Container Image"
     name: gcr.io/k8s-skaffold/pack
-    args: ["build", "${_IMAGE_NAME}", "--builder=gcr.io/buildpacks/builder"]
+    args: ["build", "${_IMAGE_NAME}", "--builder=gcr.io/buildpacks/builder",
+      "--env", "GOOGLE_PYTHON_VERSION=${_PYTHON_VERSION}"]
 
   - id: "Push Container Image"
     name: "gcr.io/cloud-builders/docker"
@@ -134,6 +135,7 @@ options:
 substitutions:
   _SERVICE: django
   _VERSION: manual
+  _PYTHON_VERSION: 3.12
   _REGION: us-central1
   _ARTIFACT_REGISTRY: cloud-run-source-deploy
   _IMAGE_NAME: ${_REGION}-docker.pkg.dev/${PROJECT_ID}/${_ARTIFACT_REGISTRY}/django-${_VERSION}