add docker hub arm build capability

Dockerfile.arm32v6

@@ -0,0 +1,54 @@
+FROM alpine AS builder
+
+# Download QEMU, see https://github.com/docker/hub-feedback/issues/1261
+ENV QEMU_URL https://github.com/balena-io/qemu/releases/download/v3.0.0%2Bresin/qemu-3.0.0+resin-arm.tar.gz
+RUN apk add curl && curl -L ${QEMU_URL} | tar zxvf - -C . --strip-components 1
+
+
+# Original credit: https://github.com/jpetazzo/dockvpn
+
+# Smallest base image
+FROM arm32v6/ubuntu:18.04
+
+LABEL maintainer="lawtancool"
+
+# Testing: pamtester
+#RUN echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing/" >> /etc/apk/repositories && \
+#    apk add --update openvpn iptables bash easy-rsa openvpn-auth-pam google-authenticator pamtester && \
+#    ln -s /usr/share/easy-rsa/easyrsa /usr/local/bin && \
+#    rm -rf /tmp/* /var/tmp/* /var/cache/apk/* /var/cache/distfiles/*
+
+RUN apt-get update && apt-get install -y wget tar unzip build-essential libssl-dev iproute2 liblz4-dev liblzo2-dev libpam0g-dev libpkcs11-helper1-dev libsystemd-dev easy-rsa iptables pkg-config && \
+    wget http://swupdate.openvpn.org/community/releases/openvpn-2.4.8.tar.gz && tar xvf openvpn-2.4.8.tar.gz && \
+    wget https://github.com/Tunnelblick/Tunnelblick/archive/v3.8.2beta02.zip && unzip v3.8.2beta02.zip && \
+    cp Tunnelblick-3.8.2beta02/third_party/sources/openvpn/openvpn-2.4.8/patches/*.diff openvpn-2.4.8 && \
+    cd openvpn-2.4.8 && \
+    patch -p1 < 02-tunnelblick-openvpn_xorpatch-a.diff && \
+    patch -p1 < 03-tunnelblick-openvpn_xorpatch-b.diff && \
+    patch -p1 < 04-tunnelblick-openvpn_xorpatch-c.diff && \
+    patch -p1 < 05-tunnelblick-openvpn_xorpatch-d.diff && \
+    patch -p1 < 06-tunnelblick-openvpn_xorpatch-e.diff && \
+    ./configure --disable-systemd --enable-async-push --enable-iproute2 && \
+    make && make install
+
+# Needed by scripts
+ENV OPENVPN /etc/openvpn
+ENV EASYRSA /usr/share/easy-rsa
+ENV EASYRSA_PKI $OPENVPN/pki
+ENV EASYRSA_VARS_FILE $OPENVPN/vars
+
+# Prevents refused client connection because of an expired CRL
+ENV EASYRSA_CRL_DAYS 3650
+
+VOLUME ["/etc/openvpn"]
+
+# Internally uses port 1194/udp, remap using `docker run -p 443:1194/tcp`
+EXPOSE 1194
+
+CMD ["ovpn_run"]
+
+ADD ./bin /usr/local/bin
+RUN chmod a+x /usr/local/bin/*
+
+# Add support for OTP authentication using a PAM module
+ADD ./otp/openvpn /etc/pam.d/

Dockerfile.arm32v7

@@ -1,3 +1,10 @@
+FROM alpine AS builder
+
+# Download QEMU, see https://github.com/docker/hub-feedback/issues/1261
+ENV QEMU_URL https://github.com/balena-io/qemu/releases/download/v3.0.0%2Bresin/qemu-3.0.0+resin-arm.tar.gz
+RUN apk add curl && curl -L ${QEMU_URL} | tar zxvf - -C . --strip-components 1
+
+
 # Original credit: https://github.com/jpetazzo/dockvpn
 
 # Smallest base image

Dockerfile.arm64v8

@@ -1,3 +1,10 @@
+FROM alpine AS builder
+
+# Download QEMU, see https://github.com/docker/hub-feedback/issues/1261
+ENV QEMU_URL https://github.com/balena-io/qemu/releases/download/v3.0.0%2Bresin/qemu-3.0.0+resin-arm.tar.gz
+RUN apk add curl && curl -L ${QEMU_URL} | tar zxvf - -C . --strip-components 1
+
+
 # Original credit: https://github.com/jpetazzo/dockvpn
 
 # Smallest base image

hooks/post_push

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Use manifest-tool to create the manifest, given the experimental
+# "docker manifest" command isn't available yet on Docker Hub.
+
+curl -Lo manifest-tool https://github.com/estesp/manifest-tool/releases/download/v0.9.0/manifest-tool-linux-amd64
+chmod +x manifest-tool
+
+./manifest-tool push from-spec multi-arch-manifest.yaml

hooks/pre_build

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# Register qemu-*-static for all supported processors except the 
+# current one, but also remove all registered binfmt_misc before
+docker run --rm --privileged multiarch/qemu-user-static:register --reset

multi-arch-manifest.yaml

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+image: lawtancool/docker-openvpn-xor:latest
+manifests:
+  - image: lawtancool/docker-openvpn-xor:amd64
+    platform:
+      architecture: amd64
+      os: linux
+  - image: lawtancool/docker-openvpn-xor:arm32v6
+    platform:
+      architecture: arm
+      os: linux
+      variant: v6
+  - image: lawtancool/docker-openvpn-xor:arm32v7
+    platform:
+      architecture: arm
+      os: linux
+      variant: v7
+  - image: lawtancool/docker-openvpn-xor:arm64v8
+    platform:
+      architecture: arm64
+      os: linux
+      variant: v8