build.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2013-2014 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="${DATE:-20141002}"
  30 MIRROR="${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-python
  47         gentoo-utc
  48         gentoo-en-us
  49         gentoo-openrc
  50         gentoo-syslog
  51         gentoo-java
  52         gentoo-layman
  53         gentoo-node
  54         buildbot
  55         docker-registry
  56         elasticsearch
  57         hubot
  58         irker
  59         memcached
  60         nginx
  61         nginx-proxy
  62         kibana
  63         kibana-azure
  64         ngircd
  65         package-cache
  66         postgresql
  67         redis
  68         salt-minion
  69         stunnel
  70         thumbor
  71         }"
  72
  73 die()
  74 {
  75         echo "$1"
  76         exit 1
  77 }
  78
  79 msg()
  80 {
  81         echo "$@"
  82 }
  83
  84 REALPATH="${REALPATH:-$(command -v realpath)}"
  85 if [ -z "${REALPATH}" ]; then
  86         READLINK="${READLINK:-$(command -v readlink)}"
  87         if [ -n "${READLINK}" ]; then
  88                 REALPATH="${READLINK} -f"
  89         else
  90                 die "need realpath or readlink to canonicalize paths"
  91         fi
  92 fi
  93
  94 # Does "${NAMESPACE}/${REPO}:${DATE}" exist?
  95 # Returns 0 (exists) or 1 (missing).
  96 #
  97 # Arguments:
  98 #
  99 # 1: REPO
 100 repo_exists()
 101 {
 102         REPO="${1}"
 103         IMAGES=$("${DOCKER}" images "${NAMESPACE}/${REPO}")
 104         MATCHES=$(echo "${IMAGES}" | grep "${DATE}")
 105         if [ -z "${MATCHES}" ]; then
 106                 return 1
 107         fi
 108         return 0
 109 }
 110
 111 # If they don't already exist:
 112 #
 113 # * download the stage3 and
 114 # * create "${NAMESPACE}/gentoo:${DATE}"
 115 #
 116 # Forcibly tag "${NAMESPACE}/gentoo:${DATE}" with "latest"
 117 import_stage3()
 118 {
 119         msg "import stage3"
 120         if ! repo_exists gentoo; then
 121                 # import stage3 image from Gentoo mirrors
 122
 123                 for FILE in "${STAGE3}" "${STAGE3_CONTENTS}" "${STAGE3_DIGESTS}"; do
 124                         if [ ! -f "downloads/${FILE}" ]; then
 125                                 wget -O "downloads/${FILE}" "${ARCH_URL}${FILE}" ||
 126                                         die "failed to download ${ARCH_URL}${FILE}"
 127                         fi
 128                 done
 129
 130                 gpg --verify "downloads/${STAGE3_DIGESTS}" ||
 131                         die "insecure digests for gentoo"
 132                 SHA512_HASHES=$(grep -A1 SHA512 "downloads/${STAGE3_DIGESTS}" | grep -v '^--')
 133                 SHA512_CHECK=$(cd downloads/ && (echo "${SHA512_HASHES}" | sha512sum -c))
 134                 SHA512_FAILED=$(echo "${SHA512_CHECK}" | grep FAILED)
 135                 if [ -n "${SHA512_FAILED}" ]; then
 136                         die "${SHA512_FAILED}"
 137                 fi
 138
 139                 msg "import ${NAMESPACE}/gentoo:${DATE}"
 140                 "${DOCKER}" import - "${NAMESPACE}/gentoo:${DATE}" < "downloads/${STAGE3}" ||
 141                         die "failed to import gentoo"
 142         fi
 143
 144         msg "tag ${NAMESPACE}/gentoo:latest"
 145         "${DOCKER}" tag -f "${NAMESPACE}/gentoo:${DATE}" "${NAMESPACE}/gentoo:latest" ||
 146                         die "failed to tag gentoo"
 147 }
 148
 149 # If they don't already exist:
 150 #
 151 # * download a portage snapshot and
 152 # * create "${NAMESPACE}/portage-import:${DATE}"
 153 #
 154 # Forcibly tag "${NAMESPACE}/portage-import:${DATE}" with "latest"
 155 import_portage()
 156 {
 157         msg "import portage"
 158         if ! repo_exists portage-import; then
 159                 # import portage image from Gentoo mirrors
 160
 161                 for FILE in "${PORTAGE}" "${PORTAGE_SIG}"; do
 162                         if [ ! -f "downloads/${FILE}" ]; then
 163                                 wget -O "downloads/${FILE}" "${PORTAGE_URL}${FILE}" ||
 164                                         die "failed to download ${PORTAGE_URL}${FILE}"
 165                         fi
 166                 done
 167
 168                 gpg --verify "downloads/${PORTAGE_SIG}" "downloads/${PORTAGE}" ||
 169                         die "insecure digests for portage-import"
 170
 171                 msg "import ${NAMESPACE}/portage-import:${DATE}"
 172                 "${DOCKER}" import - "${NAMESPACE}/portage-import:${DATE}" < "downloads/${PORTAGE}" ||
 173                         die "failed to import portage-import"
 174         fi
 175
 176         msg "tag ${NAMESPACE}/portage-import:latest"
 177         "${DOCKER}" tag -f "${NAMESPACE}/portage-import:${DATE}" "${NAMESPACE}/portage-import:latest" ||
 178                 die "failed to tag portage-import"
 179 }
 180
 181 # extract Busybox for the portage image
 182 #
 183 # Arguments:
 184 #
 185 # 1: SUBDIR target subdirectory for the busybox binary
 186 extract_busybox()
 187 {
 188         SUBDIR="${1}"
 189         msg "extract Busybox binary to ${SUBDIR}"
 190         THIS_DIR=$(dirname $($REALPATH $0))
 191         CONTAINER="${NAMESPACE}-gentoo-${DATE}-extract-busybox"
 192         "${DOCKER}" run --name "${CONTAINER}" -v "${THIS_DIR}/${SUBDIR}/":/tmp "${NAMESPACE}/gentoo:${DATE}" cp /bin/busybox /tmp/
 193         "${DOCKER}" rm "${CONTAINER}"
 194 }
 195
 196 # If it doesn't already exist:
 197 #
 198 # * create "${NAMESPACE}/${REPO}:${DATE}" from
 199 #   "${REPO}/Dockerfile.template"
 200 #
 201 # Forcibly tag "${NAMESPACE}/${REPO}:${DATE}" with "latest"
 202 #
 203 # Arguments:
 204 #
 205 # 1: REPO
 206 build_repo()
 207 {
 208         REPO="${1}"
 209         msg "build repo ${REPO}"
 210         if ! repo_exists "${REPO}"; then
 211                 if [ "${REPO}" = portage ]; then
 212                         extract_busybox "${REPO}"
 213                 fi
 214
 215                 env -i \
 216                         NAMESPACE="${NAMESPACE}" \
 217                         TAG="${DATE}" \
 218                         MAINTAINER="${AUTHOR}" \
 219                         envsubst '
 220                                 ${NAMESPACE}
 221                                 ${TAG}
 222                                 ${MAINTAINER}
 223                                 ' \
 224                                 < "${REPO}/Dockerfile.template" > "${REPO}/Dockerfile"
 225
 226                 msg "build ${NAMESPACE}/${REPO}:${DATE}"
 227                 "${DOCKER}" build ${BUILD_OPTS} -t "${NAMESPACE}/${REPO}:${DATE}" "${REPO}" ||
 228                         die "failed to build ${REPO}"
 229         fi
 230         msg "tag ${NAMESPACE}/${REPO}:latest"
 231         "${DOCKER}" tag -f "${NAMESPACE}/${REPO}:${DATE}" "${NAMESPACE}/${REPO}:latest" ||
 232                         die "failed to tag ${REPO}"
 233 }
 234
 235 build()
 236 {
 237         import_stage3
 238         import_portage
 239
 240         for REPO in ${REPOS}; do
 241                 build_repo "${REPO}"
 242         done
 243 }
 244
 245 missing()
 246 {
 247         for REPO in gentoo portage-import ${REPOS}; do
 248                 if ! repo_exists "${REPO}"; then
 249                         msg "${REPO}"
 250                 fi
 251         done
 252 }
 253
 254 ACTION="${1:-build}"
 255
 256 case "${ACTION}" in
 257 build) build ;;
 258 missing) missing ;;
 259 --help) msg "usage: ${0} [--help] {build|missing}" ;;
 260 *) die "invalid action '${ACTION}'" ;;
 261 esac