Cloud Build Script for supertuxkart (#3291)

* Cloud Build Script for supertuxkart

* small change

examples/supertuxkart/Makefile

@@ -23,11 +23,16 @@
 #     \_/ \__,_|_|  |_|\__,_|_.__/|_|\___|___/
 #
 
-REPOSITORY = us-docker.pkg.dev/agones-images/examples
+REPOSITORY ?=
+PROD_REPO ?= us-docker.pkg.dev/agones-images/examples
 
 mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
 project_path := $(dir $(mkfile_path))
-image_tag = $(REPOSITORY)/supertuxkart-example:0.8
+ifeq ($(REPOSITORY),)
+	image_tag := supertuxkart-example:0.8
+else
+	image_tag := $(REPOSITORY)/supertuxkart-example:0.8
+endif
 
 #   _____                    _
 #  |_   _|_ _ _ __ __ _  ___| |_ ___
@@ -50,8 +55,12 @@ test:
 
 # check if hosted on Google Artifact Registry
 gar-check:
-	gcloud container images describe $(image_tag)
+	gcloud container images describe $(PROD_REPO)/$(image_tag)
 
 #output the tag for this image
 echo-image-tag:
-	@echo $(image_tag)
+	@echo $(PROD_REPO)/$(image_tag)
+
+# build and push the supertuxkart image with specified tag
+cloud-build:
+	gcloud builds submit --config=cloudbuild.yaml

examples/supertuxkart/cloudbuild.yaml

@@ -0,0 +1,40 @@
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+steps:
+  #
+  # Creates the initial make + docker build platform
+  #
+  - name: "ubuntu"
+    script: |
+      echo 'FROM gcr.io/cloud-builders/docker\nRUN apt-get install make\nENTRYPOINT [\"/usr/bin/make\"]' > Dockerfile.build
+  - name: gcr.io/cloud-builders/docker
+    id: build-make-docker
+    entrypoint: "docker"
+    args: ["build", "-f", "Dockerfile.build", "-t", "make-docker", "."]
+
+  # build and push supertuxkart image to GCR
+  - name: "make-docker"
+    id: push
+    dir: "."
+    env:
+      - REPOSITORY=${_REPOSITORY}
+    script: |
+      make push
+options:
+  dynamic_substitutions: true
+
+substitutions:
+  _REPOSITORY: us-docker.pkg.dev/${PROJECT_ID}/examples
+timeout: 1800s