git.ozlabs.org Git - petitboot/blob - docker/build-builder

   1 #!/usr/bin/env bash
   2
   3 set -e
   4
   5 name="$(basename $0)"
   6
   7 : ${TOP_DIR:="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )"}
   8
   9 source ${TOP_DIR}/docker/builder-include
  10
  11 : ${DOCKER_FILE:="${TOP_DIR}/docker/Dockerfile.builder.$(arch)"}
  12
  13 usage () {
  14         echo "${name} - Builds a docker image that contains tools for building petitboot." >&2
  15         echo "Usage: ${name} [flags]" >&2
  16         echo "Option flags:" >&2
  17         echo "  -d --dry-run  - Do not run build commands." >&2
  18         echo "  -h --help     - Show this help and exit." >&2
  19         echo "  -p --purge    - Remove existing docker image and rebuild." >&2
  20         echo "  -r --rebuild  - Rebuild existing docker image." >&2
  21         echo "  -t --tag      - Print Docker tag to stdout and exit." >&2
  22         echo "  -v --verbose  - Verbose execution." >&2
  23         echo "Environment:" >&2
  24         echo "  DOCKER_FILE   - Default: '${DOCKER_FILE}'" >&2
  25         echo "  DOCKER_TAG    - Default: '${DOCKER_TAG}'" >&2
  26         echo "Examples:" >&2
  27         echo "  ${name} -v"
  28 }
  29
  30 short_opts="dhprtv"
  31 long_opts="dry-run,help,purge,rebuild,tag,verbose"
  32
  33 opts=$(getopt --options ${short_opts} --long ${long_opts} -n "${name}" -- "$@")
  34
  35 if [ $? != 0 ]; then
  36         echo "${name}: ERROR: Internal getopt" >&2
  37         exit 1
  38 fi
  39
  40 eval set -- "${opts}"
  41
  42 while true ; do
  43         case "${1}" in
  44         -d | --dry-run)
  45                 dry_run=1
  46                 shift
  47                 ;;
  48         -h | --help)
  49                 usage=1
  50                 shift
  51                 ;;
  52         -p | --purge)
  53                 purge=1
  54                 shift
  55                 ;;
  56         -r | --rebuild)
  57                 rebuild=1
  58                 shift
  59                 ;;
  60         -t | --tag)
  61                 tag=1
  62                 shift
  63                 ;;
  64         -v | --verbose)
  65                 set -x
  66                 verbose=1
  67                 shift
  68                 ;;
  69         --)
  70                 shift
  71                 break
  72                 ;;
  73         *)
  74                 echo "${name}: ERROR: Internal opts" >&2
  75                 exit 1
  76                 ;;
  77         esac
  78 done
  79
  80 if [[ -n "${usage}" ]]; then
  81         usage
  82         exit 0
  83 fi
  84
  85 if [[ -n "${tag}" ]]; then
  86         show_tag
  87         exit 0
  88 fi
  89
  90 if [[ -n "${purge}" ]] && docker inspect --type image ${DOCKER_TAG} >/dev/null 2>/dev/null; then
  91         echo "Removing docker image: ${DOCKER_TAG}" >&2
  92         run_cmd "docker rmi --force ${DOCKER_TAG}"
  93 elif [[ -z "${rebuild}" ]] && docker inspect --type image ${DOCKER_TAG} >/dev/null 2>/dev/null; then
  94         echo "Docker image exists: ${DOCKER_TAG}" >&2
  95         show_tag
  96         exit 0
  97 fi
  98
  99 echo "Building docker image: ${DOCKER_TAG}" >&2
 100
 101 cd ${TOP_DIR}
 102 run_cmd "docker build --file ${DOCKER_FILE} --tag ${DOCKER_TAG} ."
 103
 104 show_tag