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         hubot
  54         kibana
  55         kibana-azure
  56         memcached
  57         nginx
  58         nginx-proxy
  59         ngircd
  60         package-cache
  61         postgresql
  62         redis
  63         salt-minion
  64         stunnel
  65         }"
  66
  67 die()
  68 {
  69         echo "$1"
  70         exit 1
  71 }
  72
  73 msg()
  74 {
  75         echo "$@"
  76 }
  77
  78 REALPATH="${REALPATH:-$(command -v realpath)}"
  79 if [ -z "${REALPATH}" ]; then
  80         READLINK="${READLINK:-$(command -v readlink)}"
  81         if [ -n "${READLINK}" ]; then
  82                 REALPATH="${READLINK} -f"
  83         else
  84                 die "need realpath or readlink to canonicalize paths"
  85         fi
  86 fi
  87
  88 # Does "${NAMESPACE}/${REPO}:${DATE}" exist?
  89 # Returns 0 (exists) or 1 (missing).
  90 #
  91 # Arguments:
  92 #
  93 # 1: REPO
  94 repo_exists()
  95 {
  96         REPO="${1}"
  97         IMAGES=$("${DOCKER}" images "${NAMESPACE}/${REPO}")
  98         MATCHES=$(echo "${IMAGES}" | grep "${DATE}")
  99         if [ -z "${MATCHES}" ]; then
 100                 return 1
 101         fi
 102         return 0
 103 }
 104
 105 # If they don't already exist:
 106 #
 107 # * download the stage3 and
 108 # * create "${NAMESPACE}/gentoo:${DATE}"
 109 #
 110 # Forcibly tag "${NAMESPACE}/gentoo:${DATE}" with "latest"
 111 import_stage3()
 112 {
 113         msg "import stage3"
 114         if ! repo_exists gentoo; then
 115                 # import stage3 image from Gentoo mirrors
 116
 117                 for FILE in "${STAGE3}" "${STAGE3_CONTENTS}" "${STAGE3_DIGESTS}"; do
 118                         if [ ! -f "downloads/${FILE}" ]; then
 119                                 wget -O "downloads/${FILE}" "${ARCH_URL}${FILE}" ||
 120                                         die "failed to download ${ARCH_URL}${FILE}"
 121                         fi
 122                 done
 123
 124                 gpg --verify "downloads/${STAGE3_DIGESTS}" || die "insecure digests"
 125                 SHA512_HASHES=$(grep -A1 SHA512 "downloads/${STAGE3_DIGESTS}" | grep -v '^--')
 126                 SHA512_CHECK=$(cd downloads/ && (echo "${SHA512_HASHES}" | sha512sum -c))
 127                 SHA512_FAILED=$(echo "${SHA512_CHECK}" | grep FAILED)
 128                 if [ -n "${SHA512_FAILED}" ]; then
 129                         die "${SHA512_FAILED}"
 130                 fi
 131
 132                 msg "import ${NAMESPACE}/gentoo:${DATE}"
 133                 "${DOCKER}" import - "${NAMESPACE}/gentoo:${DATE}" < "downloads/${STAGE3}" || die "failed to import"
 134         fi
 135
 136         msg "tag ${NAMESPACE}/gentoo:latest"
 137         "${DOCKER}" tag -f "${NAMESPACE}/gentoo:${DATE}" "${NAMESPACE}/gentoo:latest" || die "failed to tag"
 138 }
 139
 140 # If they don't already exist:
 141 #
 142 # * download a portage snapshot and
 143 # * create "${NAMESPACE}/portage-import:${DATE}"
 144 #
 145 # Forcibly tag "${NAMESPACE}/portage-import:${DATE}" with "latest"
 146 import_portage()
 147 {
 148         msg "import portage"
 149         if ! repo_exists portage-import; then
 150                 # import portage image from Gentoo mirrors
 151
 152                 for FILE in "${PORTAGE}" "${PORTAGE_SIG}"; do
 153                         if [ ! -f "downloads/${FILE}" ]; then
 154                                 wget -O "downloads/${FILE}" "${PORTAGE_URL}${FILE}" ||
 155                                         die "failed to download ${PORTAGE_URL}${FILE}"
 156                         fi
 157                 done
 158
 159                 gpg --verify "downloads/${PORTAGE_SIG}" "downloads/${PORTAGE}" || die "insecure digests"
 160
 161                 msg "import ${NAMESPACE}/portage-import:${DATE}"
 162                 "${DOCKER}" import - "${NAMESPACE}/portage-import:${DATE}" < "downloads/${PORTAGE}" || die "failed to import"
 163         fi
 164
 165         msg "tag ${NAMESPACE}/portage-import:latest"
 166         "${DOCKER}" tag -f "${NAMESPACE}/portage-import:${DATE}" "${NAMESPACE}/portage-import:latest" || die "failed to tag"
 167 }
 168
 169 # extract Busybox for the portage image
 170 #
 171 # Arguments:
 172 #
 173 # 1: SUBDIR target subdirectory for the busybox binary
 174 extract_busybox()
 175 {
 176         SUBDIR="${1}"
 177         msg "extract Busybox binary to ${SUBDIR}"
 178         THIS_DIR=$(dirname $($REALPATH $0))
 179         CONTAINER="${NAMESPACE}-gentoo-${DATE}-extract-busybox"
 180         "${DOCKER}" run --name "${CONTAINER}" -v "${THIS_DIR}/${SUBDIR}/":/tmp "${NAMESPACE}/gentoo:${DATE}" cp /bin/busybox /tmp/
 181         "${DOCKER}" rm "${CONTAINER}"
 182 }
 183
 184 # If it doesn't already exist:
 185 #
 186 # * create "${NAMESPACE}/${REPO}:${DATE}" from
 187 #   "${REPO}/Dockerfile.template"
 188 #
 189 # Forcibly tag "${NAMESPACE}/${REPO}:${DATE}" with "latest"
 190 #
 191 # Arguments:
 192 #
 193 # 1: REPO
 194 build_repo()
 195 {
 196         REPO="${1}"
 197         msg "build repo ${REPO}"
 198         if ! repo_exists "${REPO}"; then
 199                 if [ "${REPO}" = portage ]; then
 200                         extract_busybox "${REPO}"
 201                 fi
 202
 203                 env -i \
 204                         NAMESPACE="${NAMESPACE}" \
 205                         TAG="${DATE}" \
 206                         MAINTAINER="${AUTHOR}" \
 207                         envsubst '
 208                                 ${NAMESPACE}
 209                                 ${TAG}
 210                                 ${MAINTAINER}
 211                                 ' \
 212                                 < "${REPO}/Dockerfile.template" > "${REPO}/Dockerfile"
 213
 214                 msg "build ${NAMESPACE}/${REPO}:${DATE}"
 215                 "${DOCKER}" build ${BUILD_OPTS} -t "${NAMESPACE}/${REPO}:${DATE}" "${REPO}" || die "failed to build"
 216         fi
 217         msg "tag ${NAMESPACE}/${REPO}:latest"
 218         "${DOCKER}" tag -f "${NAMESPACE}/${REPO}:${DATE}" "${NAMESPACE}/${REPO}:latest" || die "failed to tag"
 219 }
 220
 221 build()
 222 {
 223         import_stage3
 224         import_portage
 225
 226         for REPO in ${REPOS}; do
 227                 build_repo "${REPO}"
 228         done
 229 }
 230
 231 missing()
 232 {
 233         for REPO in gentoo portage-import ${REPOS}; do
 234                 if ! repo_exists "${REPO}"; then
 235                         msg "${REPO}"
 236                 fi
 237         done
 238 }
 239
 240 ACTION="${1:-build}"
 241
 242 case "${ACTION}" in
 243 build) build ;;
 244 missing) missing ;;
 245 --help) msg "usage: ${0} [--help] {build|missing}" ;;
 246 *) die "invalid action '${ACTION}'" ;;
 247 esac