build.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2013 W. Trevor King <wking@tremily.us>
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions are met:
   7 #
   8 # * Redistributions of source code must retain the above copyright notice, this
   9 # list of conditions and the following disclaimer.
  10 #
  11 # * Redistributions in binary form must reproduce the above copyright notice,
  12 # this list of conditions and the following disclaimer in the documentation
  13 # and/or other materials provided with the distribution.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  19 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  20 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  24 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  25 # POSSIBILITY OF SUCH DAMAGE.
  26
  27 AUTHOR="${AUTHOR:-W. Trevor King <wking@tremily.us>}"
  28 NAMESPACE="${NAMESPACE:-wking}"
  29 DATE="${DATE:-20140206}"
  30 MIRROR="${MIRROR:-http://distfiles.gentoo.org/}"
  31 ARCH_URL="${ARCH_URL:-${MIRROR}releases/amd64/autobuilds/${DATE}/}"
  32 STAGE3="${STAGE3:-stage3-amd64-${DATE}.tar.bz2}"
  33 STAGE3_CONTENTS="${STAGE3_CONTENTS:-${STAGE3}.CONTENTS}"
  34 STAGE3_DIGESTS="${STAGE3_DIGESTS:-${STAGE3}.DIGESTS.asc}"
  35 PORTAGE_URL="${PORTAGE_URL:-${MIRROR}snapshots/}"
  36 PORTAGE="${PORTAGE:-portage-${DATE}.tar.xz}"
  37 PORTAGE_SIG="${PORTAGE_SIG:-${PORTAGE}.gpgsig}"
  38
  39 DOCKER_IO=$(command -v docker.io)
  40 DOCKER="${DOCKER:-${DOCKER_IO:-docker}}"
  41 BUILD_OPTS="${BUILD_OPTS:-}"
  42
  43 REPOS="${REPOS:-
  44         portage
  45         gentoo-portage
  46         gentoo-en-us
  47         gentoo-syslog
  48         gentoo-java
  49         gentoo-layman
  50         buildbot
  51         docker-registry
  52         elasticsearch
  53         memcached
  54         nginx
  55         nginx-proxy
  56         kibana
  57         kibana-azure
  58         postgresql
  59         redis
  60         stunnel
  61         }"
  62
  63 die()
  64 {
  65         echo "$1"
  66         exit 1
  67 }
  68
  69 msg()
  70 {
  71         echo "$@"
  72 }
  73
  74 REALPATH="${REALPATH:-$(command -v realpath)}"
  75 if [ -z "${REALPATH}" ]; then
  76         READLINK="${READLINK:-$(command -v readlink)}"
  77         if [ -n "${READLINK}" ]; then
  78                 REALPATH="${READLINK} -f"
  79         else
  80                 die "need realpath or readlink to canonicalize paths"
  81         fi
  82 fi
  83
  84 # Does "${NAMESPACE}/${REPO}:${DATE}" exist?
  85 # Returns 0 (exists) or 1 (missing).
  86 #
  87 # Arguments:
  88 #
  89 # 1: REPO
  90 repo_exists()
  91 {
  92         REPO="${1}"
  93         IMAGES=$("${DOCKER}" images "${NAMESPACE}/${REPO}")
  94         MATCHES=$(echo "${IMAGES}" | grep "${DATE}")
  95         if [ -z "${MATCHES}" ]; then
  96                 return 1
  97         fi
  98         return 0
  99 }
 100
 101 # If they don't already exist:
 102 #
 103 # * download the stage3 and
 104 # * create "${NAMESPACE}/gentoo:${DATE}"
 105 #
 106 # Forcibly tag "${NAMESPACE}/gentoo:${DATE}" with "latest"
 107 import_stage3()
 108 {
 109         msg "import stage3"
 110         if ! repo_exists gentoo; then
 111                 # import stage3 image from Gentoo mirrors
 112
 113                 for FILE in "${STAGE3}" "${STAGE3_CONTENTS}" "${STAGE3_DIGESTS}"; do
 114                         if [ ! -f "downloads/${FILE}" ]; then
 115                                 wget -O "downloads/${FILE}" "${ARCH_URL}${FILE}" ||
 116                                         die "failed to download ${ARCH_URL}${FILE}"
 117                         fi
 118                 done
 119
 120                 gpg --verify "downloads/${STAGE3_DIGESTS}" || die "insecure digests"
 121                 SHA512_HASHES=$(grep -A1 SHA512 "downloads/${STAGE3_DIGESTS}" | grep -v '^--')
 122                 SHA512_CHECK=$(cd downloads/ && (echo "${SHA512_HASHES}" | sha512sum -c))
 123                 SHA512_FAILED=$(echo "${SHA512_CHECK}" | grep FAILED)
 124                 if [ -n "${SHA512_FAILED}" ]; then
 125                         die "${SHA512_FAILED}"
 126                 fi
 127
 128                 msg "import ${NAMESPACE}/gentoo:${DATE}"
 129                 "${DOCKER}" import - "${NAMESPACE}/gentoo:${DATE}" < "downloads/${STAGE3}" || die "failed to import"
 130         fi
 131
 132         msg "tag ${NAMESPACE}/gentoo:latest"
 133         "${DOCKER}" tag -f "${NAMESPACE}/gentoo:${DATE}" "${NAMESPACE}/gentoo:latest" || die "failed to tag"
 134 }
 135
 136 # If they don't already exist:
 137 #
 138 # * download a portage snapshot and
 139 # * create "${NAMESPACE}/portage-import:${DATE}"
 140 #
 141 # Forcibly tag "${NAMESPACE}/portage-import:${DATE}" with "latest"
 142 import_portage()
 143 {
 144         msg "import portage"
 145         if ! repo_exists portage-import; then
 146                 # import portage image from Gentoo mirrors
 147
 148                 for FILE in "${PORTAGE}" "${PORTAGE_SIG}"; do
 149                         if [ ! -f "downloads/${FILE}" ]; then
 150                                 wget -O "downloads/${FILE}" "${PORTAGE_URL}${FILE}" ||
 151                                         die "failed to download ${PORTAGE_URL}${FILE}"
 152                         fi
 153                 done
 154
 155                 gpg --verify "downloads/${PORTAGE_SIG}" "downloads/${PORTAGE}" || die "insecure digests"
 156
 157                 msg "import ${NAMESPACE}/portage-import:${DATE}"
 158                 "${DOCKER}" import - "${NAMESPACE}/portage-import:${DATE}" < "downloads/${PORTAGE}" || die "failed to import"
 159         fi
 160
 161         msg "tag ${NAMESPACE}/portage-import:latest"
 162         "${DOCKER}" tag -f "${NAMESPACE}/portage-import:${DATE}" "${NAMESPACE}/portage-import:latest" || die "failed to tag"
 163 }
 164
 165 # extract Busybox for the portage image
 166 #
 167 # Arguments:
 168 #
 169 # 1: SUBDIR target subdirectory for the busybox binary
 170 extract_busybox()
 171 {
 172         SUBDIR="${1}"
 173         msg "extract Busybox binary to ${SUBDIR}"
 174         THIS_DIR=$(dirname $($REALPATH $0))
 175         CONTAINER="${NAMESPACE}-gentoo-${DATE}-extract-busybox"
 176         "${DOCKER}" run --name "${CONTAINER}" -v "${THIS_DIR}/${SUBDIR}/":/tmp "${NAMESPACE}/gentoo:${DATE}" cp /bin/busybox /tmp/
 177         "${DOCKER}" rm "${CONTAINER}"
 178 }
 179
 180 # If it doesn't already exist:
 181 #
 182 # * create "${NAMESPACE}/${REPO}:${DATE}" from
 183 #   "${REPO}/Dockerfile.template"
 184 #
 185 # Forcibly tag "${NAMESPACE}/${REPO}:${DATE}" with "latest"
 186 #
 187 # Arguments:
 188 #
 189 # 1: REPO
 190 build_repo()
 191 {
 192         REPO="${1}"
 193         msg "build repo ${REPO}"
 194         if ! repo_exists "${REPO}"; then
 195                 if [ "${REPO}" = portage ]; then
 196                         extract_busybox "${REPO}"
 197                 fi
 198
 199                 env -i \
 200                         NAMESPACE="${NAMESPACE}" \
 201                         TAG="${DATE}" \
 202                         MAINTAINER="${AUTHOR}" \
 203                         envsubst '
 204                                 ${NAMESPACE}
 205                                 ${TAG}
 206                                 ${MAINTAINER}
 207                                 ' \
 208                                 < "${REPO}/Dockerfile.template" > "${REPO}/Dockerfile"
 209
 210                 msg "build ${NAMESPACE}/${REPO}:${DATE}"
 211                 "${DOCKER}" build ${BUILD_OPTS} -t "${NAMESPACE}/${REPO}:${DATE}" "${REPO}" || die "failed to build"
 212         fi
 213         msg "tag ${NAMESPACE}/${REPO}:latest"
 214         "${DOCKER}" tag -f "${NAMESPACE}/${REPO}:${DATE}" "${NAMESPACE}/${REPO}:latest" || die "failed to tag"
 215 }
 216
 217 build()
 218 {
 219         import_stage3
 220         import_portage
 221
 222         for REPO in ${REPOS}; do
 223                 build_repo "${REPO}"
 224         done
 225 }
 226
 227 missing()
 228 {
 229         for REPO in gentoo portage-import ${REPOS}; do
 230                 if ! repo_exists "${REPO}"; then
 231                         msg "${REPO}"
 232                 fi
 233         done
 234 }
 235
 236 ACTION="${1:-build}"
 237
 238 case "${ACTION}" in
 239 build) build ;;
 240 missing) missing ;;
 241 --help) msg "usage: ${0} [--help] {build|missing}" ;;
 242 *) die "invalid action '${ACTION}'" ;;
 243 esac