add s390x support for image gb-frontend and gb-redisslave in gcr.io/google-samples

guestbook/php-redis/Dockerfile

@@ -14,6 +14,9 @@
 
 FROM php:5-apache
 
+COPY fixup-apt-list.sh /
+RUN ["/fixup-apt-list.sh"]
+
 RUN apt-get update
 RUN pear channel-discover pear.nrk.io
 RUN pear install nrk/Predis

guestbook/php-redis/Makefile

@@ -15,7 +15,7 @@
 TAG = v6
 REGISTRY = gcr.io/google-samples
 ARCH ?= $(shell go env GOARCH)
-ALL_ARCH = amd64 arm arm64 ppc64le
+ALL_ARCH = amd64 arm arm64 ppc64le s390x
 
 QEMUVERSION=v2.7.0
 
@@ -35,7 +35,10 @@ ifeq ($(ARCH),ppc64le)
 	QEMUARCH=ppc64le
 	BASEIMAGE=ppc64le/php:5-apache
 endif
-
+ifeq ($(ARCH),s390x)
+        QEMUARCH=s390x
+        BASEIMAGE=s390x/php:5-apache
+endif
 TEMP_DIR := $(shell mktemp -d)
 
 all: all-container

guestbook/php-redis/fixup-apt-list.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+DEB_ARCH=$(dpkg --print-architecture)
+
+# http://security.debian.org/debian-security/dists/jessie/updates/InRelease is missing
+# entries for some platforms, so we just remove the last line in sources.list in
+# /etc/apt/sources.list which is "deb http://deb.debian.org/debian jessie-updates main"
+
+case ${DEB_ARCH} in
+    arm64|ppc64el|s390x)
+        sed -i '/security/d' /etc/apt/sources.list
+        ;;
+esac
+
+exit 0

guestbook/redis-slave/Makefile

@@ -15,7 +15,7 @@
 TAG = v3
 REGISTRY = gcr.io/google-samples
 ARCH ?= $(shell go env GOARCH)
-ALL_ARCH = amd64 arm arm64 ppc64le
+ALL_ARCH = amd64 arm arm64 ppc64le s390x
 
 IMAGE = $(REGISTRY)/gb-redisslave
 MULTI_ARCH_IMG = $(IMAGE)-$(ARCH)
@@ -33,6 +33,10 @@ ifeq ($(ARCH),ppc64le)
 	QEMUARCH=ppc64le
 	BASEIMAGE=ppc64le/redis:3.2.9
 endif
+ifeq ($(ARCH),s390x)
+        QEMUARCH=s390x
+        BASEIMAGE=s390x/redis:3.2.9
+endif
 
 TEMP_DIR := $(shell mktemp -d)