alpine-aarch64-leg-go-build: new docker image

Based on Calico project go-build for arm64:
https://github.com/projectcalico/go-build.git

Change-Id: I20ef5ac3829e5d3576b7a848b55bc2cd703b1855
Signed-off-by: song.zhu <song.zhu@linaro.org>

3 files changed, 107 insertions, 0 deletions

diff --git a/alpine-aarch64-leg-go-build/Dockerfile b/alpine-aarch64-leg-go-build/Dockerfile
new file mode 100644
index 00000000..c7755765
--- /dev/null
+++ b/alpine-aarch64-leg-go-build/Dockerfile
@@ -0,0 +1,74 @@
+FROM arm64v8/golang:1.8.1-alpine
+
+# Based on Tom Denham <tom@projectcalico.org> work
+# https://github.com/projectcalico/go-build
+MAINTAINER Song Zhu <song.zhu@linaro.org>
+
+# Install su-exec for use in the entrypoint.sh (so processes run as the right user)
+# Install bash for the entry script (and because it's generally useful)
+# Install curl to download glide
+# Install git for fetching Go dependencies
+# Install ssh for fetching Go dependencies
+# Install mercurial for fetching go dependencies
+# Install wget for fetching glibc
+# Install make for building things
+# Install util-linux for column command (used for output formatting).
+RUN apk add --no-cache su-exec \
+  bash \
+  curl \
+  git \
+  make \
+  mercurial \
+  openssh \
+  util-linux \
+  wget
+
+# Disable ssh host key checking
+RUN echo 'Host *' >> /etc/ssh/ssh_config \
+  && echo '    StrictHostKeyChecking no' >> /etc/ssh/ssh_config
+
+# Install glibc
+RUN wget -q -O /etc/apk/keys/sgerrand.rsa.pub https://raw.githubusercontent.com/sgerrand/alpine-pkg-glibc/master/sgerrand.rsa.pub \
+  && wget https://github.com/sgerrand/alpine-pkg-glibc/releases/download/2.23-r3/glibc-2.23-r3.apk \
+  && apk add glibc-2.23-r3.apk
+
+# Disable cgo so that binaries we build will be fully static
+ENV CGO_ENABLED=0
+
+# Apply patches to Go runtime and recompile
+# See https://github.com/golang/go/issues/5838 for defails of vfork patch
+
+# Recompile the standard library with cgo disabled.
+# This prevents the standard library from being marked stale,
+# causing full rebuilds every time.
+RUN go install -v std
+
+# Install glide
+RUN go get github.com/Masterminds/glide
+ENV GLIDE_HOME /home/user/.glide
+
+# Install ginkgo CLI tool for running tests
+RUN go get github.com/onsi/ginkgo/ginkgo
+
+# Install linting tools
+RUN go get -u gopkg.in/alecthomas/gometalinter.v1 \
+  && ln -s $(which gometalinter.v1) /usr/local/bin/gometalinter \
+  && gometalinter --install
+
+# Install license checking tool
+RUN go get github.com/pmezard/licenses
+
+# Install tool to merge coverage reports
+RUN go get github.com/wadey/gocovmerge
+
+# Install patched version of goveralls (upstream is bugged if not used from Travis)
+RUN wget https://github.com/fasaxc/goveralls/releases/download/v0.0.1-smc/goveralls \
+  && chmod +x goveralls \
+  && mv goveralls /usr/bin/
+
+# Ensure that everything under the GOPATH is writable by everyone
+RUN chmod -R 777 $GOPATH
+
+COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
diff --git a/alpine-aarch64-leg-go-build/build.sh b/alpine-aarch64-leg-go-build/build.sh
new file mode 100755
index 00000000..02fc7bff
--- /dev/null
+++ b/alpine-aarch64-leg-go-build/build.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+export LANG=C
+
+image=linaro/ci-aarch64-leg-go-build-alpine
+docker build --pull --tag=$image .
+echo $image > .docker-tag
diff --git a/alpine-aarch64-leg-go-build/entrypoint.sh b/alpine-aarch64-leg-go-build/entrypoint.sh
new file mode 100755
index 00000000..5627c23e
--- /dev/null
+++ b/alpine-aarch64-leg-go-build/entrypoint.sh
@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# Add local user
+# Either use the LOCAL_USER_ID if passed in at runtime or
+# fallback
+
+USER_ID=${LOCAL_USER_ID:-9001}
+
+echo "Starting with UID : $USER_ID" 1>&2
+adduser -D -s /bin/bash -u $USER_ID -g "" user
+export HOME=/home/user
+
+if [ -n "$EXTRA_GROUP_ID"  ]; then
+  echo "Adding user to additional GID : $EXTRA_GROUP_ID" 1>&2
+  # Adding the group can fail if it already exists.
+  if addgroup -g $EXTRA_GROUP_ID group; then
+    addgroup user group
+  else
+    echo "Adding user to existing group instead" 1>&2
+    addgroup user $(getent group $EXTRA_GROUP_ID | cut -d: -f1)
+  fi
+fi  
+
+exec /sbin/su-exec user "$@"