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