build_docker

#!/usr/bin/env bash

set -e

declare -r current_dir=$(cd "$(dirname "$0")"; pwd)
declare -r image_name="lemur_client"

PREFIX=container.repo.example.com/${image_name}
TAG="${2:-v1}"
GOOS="linux"

run_tests() {
    build_image
    echo "##### RUNNING TESTS #####"
    docker run --rm -v "$PWD":/lemur -w /lemur/src/lemur -e GOPATH=/lemur golang:1.7 go test
    echo "####### RAN TESTS #######"
    retval=$?
    docker rmi -f golang:1.7
    cleanup
}

build_image() {
  # Per-line:
  # mount our repo
  # working directory should be in our source
  # make sure GOPATH refers to top-level of repo
  # build/run on scratch
  # disable CGO for a static binary
  # -a rebuilds our vendored dependencies
  # keep output separate from default builds
  # put binary in top-level bin/
  docker run --rm \
	  -v "$PWD":/lemur \
	  -w /lemur/src/lemur \
	  -e GOPATH=/lemur \
	  -e GOOS=${GOOS} \
	  -e CGO_ENABLED=0 \
	  -u $(id -u):$(id -g) \
	  golang:1.7 go build -a \
	  -installsuffix cgo \
	  -v -o ../../bin/lemur-client \

  # Grab a fresh copy of default root certs
  docker run -i centos:7 \
	  /bin/sh -c \
	  'cat /etc/ssl/certs/ca-bundle.crt' > ca-certificates.crt
  docker build -t ${PREFIX}:${TAG} ${current_dir}
}

push_to_registry() {
  docker push ${PREFIX}:${TAG}
}

cleanup() {
  docker rmi -f ${PREFIX}:${TAG}
}

case $1 in 
  tests)
    run_tests
    exit $retval
    ;;
  push)
    build_image
    push_to_registry
    cleanup
    ;;
  develop)
    GOOS="darwin"
    run_tests
    exit $retval
    ;;
  *)
    echo "Nothing to do right now"
    ;;
esac

exit 0