From 5f484579b5cc04900591c61cf87ece00fe8426d7 Mon Sep 17 00:00:00 2001
From: Manjunath A Kumatagi <mkumatag@in.ibm.com>
Date: Fri, 28 Jul 2017 21:25:53 +0530
Subject: [PATCH] Multi arch guestbook example

---
 guestbook/php-redis/Makefile     | 81 ++++++++++++++++++++++++++++++++
 guestbook/redis-slave/Dockerfile |  6 +--
 guestbook/redis-slave/Makefile   | 76 ++++++++++++++++++++++++++++++
 3 files changed, 159 insertions(+), 4 deletions(-)
 create mode 100644 guestbook/php-redis/Makefile
 create mode 100644 guestbook/redis-slave/Makefile

diff --git a/guestbook/php-redis/Makefile b/guestbook/php-redis/Makefile
new file mode 100644
index 00000000..20b00715
--- /dev/null
+++ b/guestbook/php-redis/Makefile
@@ -0,0 +1,81 @@
+# 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 = v5
+REGISTRY = gcr.io/google-samples
+ARCH ?= $(shell go env GOARCH)
+ALL_ARCH = amd64 arm arm64 ppc64le
+
+QEMUVERSION=v2.7.0
+
+IMAGE = $(REGISTRY)/gb-frontend
+MULTI_ARCH_IMG = $(IMAGE)-$(ARCH)
+
+# Set default base image dynamically for each arch
+ifeq ($(ARCH),arm)
+	QEMUARCH=arm
+	BASEIMAGE=armhf/php:5.6-apache
+endif
+ifeq ($(ARCH),arm64)
+	QEMUARCH=aarch64
+	BASEIMAGE=arm64v8/php:5-apache
+endif
+ifeq ($(ARCH),ppc64le)
+	QEMUARCH=ppc64le
+	BASEIMAGE=ppc64le/php:5-apache
+endif
+
+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 ./* $(TEMP_DIR)
+
+ifneq ($(ARCH),amd64)
+	cd $(TEMP_DIR) && sed -i "s|FROM php.*|FROM $(BASEIMAGE)\nCOPY qemu-$(QEMUARCH)-static /usr/bin\n|g" Dockerfile
+	# Register /usr/bin/qemu-ARCH-static as the handler for ARM binaries in the kernel
+	docker run --rm --privileged multiarch/qemu-user-static:register --reset
+	curl -sSL https://github.com/multiarch/qemu-user-static/releases/download/$(QEMUVERSION)/x86_64_qemu-$(QEMUARCH)-static.tar.gz | tar -xz -C $(TEMP_DIR)
+endif
+	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))
+	docker rmi -f $(IMAGE):$(TAG) || true
+sub-clean-%:
+	docker rmi -f $(IMAGE)-$*:$(TAG) || true
diff --git a/guestbook/redis-slave/Dockerfile b/guestbook/redis-slave/Dockerfile
index e90b2258..4dfe3ef2 100644
--- a/guestbook/redis-slave/Dockerfile
+++ b/guestbook/redis-slave/Dockerfile
@@ -12,10 +12,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM redis
+FROM redis:3.2.9
 
-ADD run.sh /run.sh
-
-RUN chmod a+x /run.sh
+COPY run.sh /
 
 CMD /run.sh
diff --git a/guestbook/redis-slave/Makefile b/guestbook/redis-slave/Makefile
new file mode 100644
index 00000000..b3638e62
--- /dev/null
+++ b/guestbook/redis-slave/Makefile
@@ -0,0 +1,76 @@
+# 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 = v2
+REGISTRY = gcr.io/google-samples
+ARCH ?= $(shell go env GOARCH)
+ALL_ARCH = amd64 arm arm64 ppc64le
+
+IMAGE = $(REGISTRY)/gb-redisslave
+MULTI_ARCH_IMG = $(IMAGE)-$(ARCH)
+
+# Set default base image dynamically for each arch
+ifeq ($(ARCH),arm)
+	QEMUARCH=arm
+	BASEIMAGE=arm32v6/redis:3.2.9-alpine
+endif
+ifeq ($(ARCH),arm64)
+	QEMUARCH=aarch64
+	BASEIMAGE=arm64v8/redis:3.2.9
+endif
+ifeq ($(ARCH),ppc64le)
+	QEMUARCH=ppc64le
+	BASEIMAGE=ppc64le/redis:3.2.9
+endif
+
+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 ./* $(TEMP_DIR)
+
+ifneq ($(ARCH), amd64)
+	cd $(TEMP_DIR) && sed -i "s|FROM redis.*|FROM $(BASEIMAGE)|g" Dockerfile
+endif
+
+	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))
+	docker rmi -f $(IMAGE):$(TAG) || true
+sub-clean-%:
+	docker rmi -f $(IMAGE)-$*:$(TAG) || true