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

   1 #!/usr/bin/env bash
   2
   3 arch() {
   4         local m="$(uname -m)"
   5
   6         case "${m}" in
   7                 aarch64) echo "arm64" ;;
   8                 x86_64)  echo "amd64" ;;
   9                 *)       echo "${m}" ;;
  10         esac
  11 }
  12
  13 arch_tag() {
  14         local a="$(arch)"
  15
  16         case "${a}" in
  17                 amd64) echo "" ;;
  18                 *)     echo "-${a}" ;;
  19         esac
  20 }
  21
  22 docker_from() {
  23         local a="$(arch)"
  24
  25         case "${a}" in
  26                 amd64) echo "ubuntu:17.10" ;;
  27                 arm64) echo "arm64v8/ubuntu:17.10" ;;
  28                 *)
  29                         echo "${name}: ERROR: Unknown arch ${a}" >&2
  30                         exit 1
  31                 ;;
  32         esac
  33 }
  34
  35 run_cmd () {
  36         local cmd="${*}"
  37
  38         if [[ -n ${verbose} || -n "${dry_run}" ]]; then
  39                 echo "==> ${cmd}"
  40         fi
  41
  42         if [[ -n "${dry_run}" ]]; then
  43                 true
  44         else
  45                 eval "${cmd}"
  46         fi
  47 }
  48
  49 show_tag () {
  50         echo "${DOCKER_TAG}"
  51 }
  52
  53 : ${VERSION:="1"}
  54 : ${ARCH_TAG:="$(arch_tag)"}
  55 : ${DOCKER_NAME:="pb-builder"}
  56 : ${DOCKER_TAG:="${DOCKER_NAME}:${VERSION}${ARCH_TAG}"}