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