Merge pull request #1007 from mkumatag/echoserver_multiarch

Multi arch echoserver image

images/echoheaders/Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM gcr.io/google_containers/nginx-slim:0.21
+FROM BASEIMAGE
 
 ADD nginx.conf /etc/nginx/nginx.conf
 ADD template.lua /usr/local/share/lua/5.1/

images/echoheaders/Makefile

@@ -1,11 +1,64 @@
-all: push
+# Copyright 2017 The Kubernetes Authors. All rights reserved.
+#
+# 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.
 
-# TAG 0.0 shouldn't clobber any release builds
-TAG = 1.7
-PREFIX = gcr.io/google_containers/echoserver
+TAG = 1.8
+REGISTRY = gcr.io/google_containers
+ARCH ?= $(shell go env GOARCH)
+ALL_ARCH = amd64 arm ppc64le
 
-container:
-	docker build -t $(PREFIX):$(TAG) .
+QEMUVERSION=v2.7.0
 
-push: container
-	gcloud docker -- push $(PREFIX):$(TAG)
+IMGNAME = echoserver
+IMAGE = $(REGISTRY)/$(IMGNAME)
+MULTI_ARCH_IMG = $(IMAGE)-$(ARCH)
+
+# Set default base image dynamically for each arch
+BASEIMAGE?=gcr.io/google_containers/nginx-slim-$(ARCH):0.21
+
+TEMP_DIR := $(shell mktemp -d)
+
+all: all-container
+
+sub-container-%:
+	$(MAKE) ARCH=$* container
+
+sub-push-%:
+	$(MAKE) ARCH=$* push
+
+all-container: $(addprefix sub-container-,$(ALL_ARCH))
+
+all-push: $(addprefix sub-push-,$(ALL_ARCH))
+
+container: .container-$(ARCH)
+.container-$(ARCH):
+	cp ./* $(TEMP_DIR)
+	cd $(TEMP_DIR) && sed -i 's|BASEIMAGE|$(BASEIMAGE)|g' Dockerfile
+
+	docker build -t $(MULTI_ARCH_IMG):$(TAG) $(TEMP_DIR)
+
+ifeq ($(ARCH), amd64)
+	# This is for to maintain the backward compatibility
+	docker tag $(MULTI_ARCH_IMG):$(TAG) $(IMAGE):$(TAG)
+endif
+
+push: .push-$(ARCH)
+.push-$(ARCH): .container-$(ARCH)
+	gcloud docker -- push $(MULTI_ARCH_IMG):$(TAG)
+ifeq ($(ARCH), amd64)
+	gcloud docker -- push $(IMAGE):$(TAG)
+endif
+
+clean: $(addprefix sub-clean-,$(ALL_ARCH))
+sub-clean-%:
+	docker rmi -f $(IMAGE)-$*:$(TAG) || true