builder for swarm binary

.gitignore

@@ -1,2 +1,4 @@
 images/docker-arm/docker-1.9
 images/docker-arm/backup/
+images/swarm-arm-builder/binary/
+

images/go-arm1.5/Dockerfile

@@ -0,0 +1,16 @@
+FROM armhf/ubuntu
+RUN apt-get update && apt-get -qy install git nano curl wget build-essential
+
+RUN wget \
+	https://github.com/hypriot/golang-armbuilds/releases/download/v1.5.2/go1.5.2.linux-armv7.tar.gz
+RUN tar -xf go*.tar.gz -C /usr/local/
+
+ENV PATH \
+/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/go/bin
+RUN mkdir /go
+ENV GOPATH /go
+ENV AUTO_GOPATH 1
+RUN go version
+RUN AUTO_GOPATH=1 go get github.com/tools/godep
+
+CMD ["go version"]

images/go-arm1.5/README.md

@@ -0,0 +1,3 @@
+go 1.5 for ARM, built out with the binary from @hypriot
+
+This image can be used to build docker swarm, godep etc.

images/go-arm1.5/build.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+docker build -t alexellis2/go-arm:1.5 .
+

images/swarm-arm-builder/Dockerfile

@@ -0,0 +1,15 @@
+FROM alexellis2/go-arm:1.5
+
+WORKDIR $GOPATH/src/github.com/docker/
+RUN git clone https://github.com/docker/swarm
+WORKDIR $GOPATH/src/github.com/docker/swarm
+RUN mkdir -p /usr/lib/go/pkg/linux_arm_netgo/
+ENV CGO_ENABLED 0
+ENV PATH \
+/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/go/bin:/go/bin
+
+RUN godep go install -v -a -tags netgo -installsuffix netgo -ldflags '-extldflags "-static" -s' .
+WORKDIR /root/
+ADD ./export_binary.sh ./
+
+CMD ["/go/bin/swarm", "--help"]

images/swarm-arm-builder/README.md

@@ -0,0 +1,10 @@
+Builds an ARM compatible docker swarm binary through Docker
+============================================================
+
+### Depends on alexellis2/arm-go:1.5
+
+For the article, this is prebuilt and available in the swarm-arm folder.
+
+If you wish to rebuild its binary from source run build.sh and then copy ./binary/swarm to ../swarm-arm/ and 
+rebuild the container.
+

images/swarm-arm-builder/build.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+docker build -t alexellis2/swarm-arm-builder .
+mkdir -p binary
+docker run -v `pwd`/binary:/tmp/binary alexellis2/swarm-arm-builder /root/export_binary.sh
+
+echo "An ARM compatible swarm binary will now be found in the /binary folder"

images/swarm-arm-builder/export_binary.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+cp /go/bin/swarm /tmp/binary/
+