Add multiarch support

.travis.yml

@@ -0,0 +1,67 @@
+sudo: required
+
+language: generic
+
+services:
+  - docker
+
+env:
+  global:
+    - qemu_version=4.0.0-2
+    - target_version=1.1.2
+  matrix:
+    - target_arch=amd64 qemu_arch=x86_64
+    - target_arch=armv7 qemu_arch=arm
+#    - target_arch=armv6 qemu_arch=arm <------ NOT SUPPORTED BY DEBIAN STRETCH BASE IMAGE
+    - target_arch=arm64 qemu_arch=aarch64
+
+before_install:
+  - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+  - sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+  - sudo apt-get update
+  - sudo apt-get -y install docker-ce
+  - mkdir $HOME/.docker
+  - 'echo "{" > $HOME/.docker/config.json'
+  - 'echo "  \"experimental\": \"enabled\"" >> $HOME/.docker/config.json'
+  - 'echo "}" >> $HOME/.docker/config.json'
+  - sudo service docker restart
+  - git clone https://github.com/sstephenson/bats.git
+  - cd bats
+  - sudo ./install.sh /usr/local
+  - cd ..
+
+install:
+  - docker run --rm --privileged multiarch/qemu-user-static:register
+  - curl -sLO https://github.com/multiarch/qemu-user-static/releases/download/v${qemu_version}/qemu-${qemu_arch}-static.tar.gz;
+  - tar -xzvf qemu-${qemu_arch}-static.tar.gz;
+  - mv qemu-${qemu_arch}-static image/
+  - make build ARCH=${target_arch}
+
+script:
+  - docker run -d --name test_image osixia/light-baseimage-${target_arch}:${target_version} sleep 10
+  - sleep 5
+  - sudo docker ps | grep -q test_image
+
+after_success:
+  - if [ -z "$DOCKER_USER" ]; then
+      echo "PR build, skipping Docker Hub push";
+    else
+      docker login -u "$DOCKER_USER" -p "$DOCKER_PASS";
+      make tag-latest push push-latest ARCH=${target_arch};
+    fi
+
+jobs:
+  include:
+    - stage: deploy
+      install: skip
+      script: skip
+      after_success:
+        - if [ -z "$DOCKER_USER" ]; then
+            echo "PR build, skipping Docker Hub push";
+          else
+            docker login -u "$DOCKER_USER" -p "$DOCKER_PASS";
+            docker manifest create osixia/light-baseimage:${target_version} osixia/light-baseimage-armv7:${target_version} osixia/light-baseimage-arm64:${target_version} osixia/light-baseimage-amd64:${target_version};
+            docker manifest create osixia/light-baseimage:latest osixia/light-baseimage-armv7:latest osixia/light-baseimage-amd64:latest osixia/light-baseimage-arm64:latest;
+            docker manifest push osixia/light-baseimage:${target_version};
+            docker manifest push osixia/light-baseimage:latest;
+          fi

Makefile

@@ -1,25 +1,26 @@
 NAME = osixia/light-baseimage
 VERSION = 1.1.2
+ARCH = amd64
 
 .PHONY: build build-nocache test tag-latest push push-latest release git-tag-version
 
 build:
-	docker build -t $(NAME):$(VERSION) --rm image
+	docker build -f image/Dockerfile.$(ARCH) -t $(NAME)-$(ARCH):$(VERSION) --rm image
 
 build-nocache:
-	docker build -t $(NAME):$(VERSION) --no-cache --rm image
+	docker build -f image/Dockerfile.$(ARCH) -t $(NAME)-$(ARCH):$(VERSION) --no-cache --rm image
 
 test:
-	env NAME=$(NAME) VERSION=$(VERSION) bats test/test.bats
+	env NAME=$(NAME)-$(ARCH) VERSION=$(VERSION) bats test/test.bats
 
 tag-latest:
-	docker tag $(NAME):$(VERSION) $(NAME):latest
+	docker tag $(NAME)-$(ARCH):$(VERSION) $(NAME)-$(ARCH):latest
 
 push:
-	docker push $(NAME):$(VERSION)
+	docker push $(NAME)-$(ARCH):$(VERSION)
 
 push-latest:
-	docker push $(NAME):latest
+	docker push $(NAME)-$(ARCH):latest
 
 release: build test tag-latest push push-latest
 

image/Dockerfile.amd64

@@ -0,0 +1,12 @@
+FROM debian:stretch-slim
+
+#COPY qemu-x86_64-static /usr/bin
+
+COPY . /container
+RUN /container/build.sh
+
+ENV LANG="en_US.UTF-8" \
+    LANGUAGE="en_US:en" \
+    LC_ALL="en_US.UTF-8"
+
+ENTRYPOINT ["/container/tool/run"]

image/Dockerfile.arm64

@@ -0,0 +1,12 @@
+FROM arm64v8/debian:stretch-slim
+
+COPY qemu-aarch64-static /usr/bin
+
+COPY . /container
+RUN /container/build.sh
+
+ENV LANG="en_US.UTF-8" \
+    LANGUAGE="en_US:en" \
+    LC_ALL="en_US.UTF-8"
+
+ENTRYPOINT ["/container/tool/run"]

image/Dockerfile.armv7

@@ -0,0 +1,12 @@
+FROM arm32v7/debian:stretch-slim
+
+COPY qemu-arm-static /usr/bin
+
+COPY . /container
+RUN /container/build.sh
+
+ENV LANG="en_US.UTF-8" \
+    LANGUAGE="en_US:en" \
+    LC_ALL="en_US.UTF-8"
+
+ENTRYPOINT ["/container/tool/run"]