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="${DATE:-20140904}"
  30 MIRROR="${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         }"
  71
  72 die()
  73 {
  74         echo "$1"
  75         exit 1
  76 }
  77
  78 msg()
  79 {
  80         echo "$@"
  81 }
  82
  83 REALPATH="${REALPATH:-$(command -v realpath)}"
  84 if [ -z "${REALPATH}" ]; then
  85         READLINK="${READLINK:-$(command -v readlink)}"
  86         if [ -n "${READLINK}" ]; then
  87                 REALPATH="${READLINK} -f"
  88         else
  89                 die "need realpath or readlink to canonicalize paths"
  90         fi
  91 fi
  92
  93 # Does "${NAMESPACE}/${REPO}:${DATE}" exist?
  94 # Returns 0 (exists) or 1 (missing).
  95 #
  96 # Arguments:
  97 #
  98 # 1: REPO
  99 repo_exists()
 100 {
 101         REPO="${1}"
 102         IMAGES=$("${DOCKER}" images "${NAMESPACE}/${REPO}")
 103         MATCHES=$(echo "${IMAGES}" | grep "${DATE}")
 104         if [ -z "${MATCHES}" ]; then
 105                 return 1
 106         fi
 107         return 0
 108 }
 109
 110 # If they don't already exist:
 111 #
 112 # * download the stage3 and
 113 # * create "${NAMESPACE}/gentoo:${DATE}"
 114 #
 115 # Forcibly tag "${NAMESPACE}/gentoo:${DATE}" with "latest"
 116 import_stage3()
 117 {
 118         msg "import stage3"
 119         if ! repo_exists gentoo; then
 120                 # import stage3 image from Gentoo mirrors
 121
 122                 for FILE in "${STAGE3}" "${STAGE3_CONTENTS}" "${STAGE3_DIGESTS}"; do
 123                         if [ ! -f "downloads/${FILE}" ]; then
 124                                 wget -O "downloads/${FILE}" "${ARCH_URL}${FILE}" ||
 125                                         die "failed to download ${ARCH_URL}${FILE}"
 126                         fi
 127                 done
 128
 129                 gpg --verify "downloads/${STAGE3_DIGESTS}" ||
 130                         die "insecure digests for gentoo"
 131                 SHA512_HASHES=$(grep -A1 SHA512 "downloads/${STAGE3_DIGESTS}" | grep -v '^--')
 132                 SHA512_CHECK=$(cd downloads/ && (echo "${SHA512_HASHES}" | sha512sum -c))
 133                 SHA512_FAILED=$(echo "${SHA512_CHECK}" | grep FAILED)
 134                 if [ -n "${SHA512_FAILED}" ]; then
 135                         die "${SHA512_FAILED}"
 136                 fi
 137
 138                 msg "import ${NAMESPACE}/gentoo:${DATE}"
 139                 "${DOCKER}" import - "${NAMESPACE}/gentoo:${DATE}" < "downloads/${STAGE3}" ||
 140                         die "failed to import gentoo"
 141         fi
 142
 143         msg "tag ${NAMESPACE}/gentoo:latest"
 144         "${DOCKER}" tag -f "${NAMESPACE}/gentoo:${DATE}" "${NAMESPACE}/gentoo:latest" ||
 145                         die "failed to tag gentoo"
 146 }
 147
 148 # If they don't already exist:
 149 #
 150 # * download a portage snapshot and
 151 # * create "${NAMESPACE}/portage-import:${DATE}"
 152 #
 153 # Forcibly tag "${NAMESPACE}/portage-import:${DATE}" with "latest"
 154 import_portage()
 155 {
 156         msg "import portage"
 157         if ! repo_exists portage-import; then
 158                 # import portage image from Gentoo mirrors
 159
 160                 for FILE in "${PORTAGE}" "${PORTAGE_SIG}"; do
 161                         if [ ! -f "downloads/${FILE}" ]; then
 162                                 wget -O "downloads/${FILE}" "${PORTAGE_URL}${FILE}" ||
 163                                         die "failed to download ${PORTAGE_URL}${FILE}"
 164                         fi
 165                 done
 166
 167                 gpg --verify "downloads/${PORTAGE_SIG}" "downloads/${PORTAGE}" ||
 168                         die "insecure digests for portage-import"
 169
 170                 msg "import ${NAMESPACE}/portage-import:${DATE}"
 171                 "${DOCKER}" import - "${NAMESPACE}/portage-import:${DATE}" < "downloads/${PORTAGE}" ||
 172                         die "failed to import portage-import"
 173         fi
 174
 175         msg "tag ${NAMESPACE}/portage-import:latest"
 176         "${DOCKER}" tag -f "${NAMESPACE}/portage-import:${DATE}" "${NAMESPACE}/portage-import:latest" ||
 177                 die "failed to tag portage-import"
 178 }
 179
 180 # extract Busybox for the portage image
 181 #
 182 # Arguments:
 183 #
 184 # 1: SUBDIR target subdirectory for the busybox binary
 185 extract_busybox()
 186 {
 187         SUBDIR="${1}"
 188         msg "extract Busybox binary to ${SUBDIR}"
 189         THIS_DIR=$(dirname $($REALPATH $0))
 190         CONTAINER="${NAMESPACE}-gentoo-${DATE}-extract-busybox"
 191         "${DOCKER}" run --name "${CONTAINER}" -v "${THIS_DIR}/${SUBDIR}/":/tmp "${NAMESPACE}/gentoo:${DATE}" cp /bin/busybox /tmp/
 192         "${DOCKER}" rm "${CONTAINER}"
 193 }
 194
 195 # If it doesn't already exist:
 196 #
 197 # * create "${NAMESPACE}/${REPO}:${DATE}" from
 198 #   "${REPO}/Dockerfile.template"
 199 #
 200 # Forcibly tag "${NAMESPACE}/${REPO}:${DATE}" with "latest"
 201 #
 202 # Arguments:
 203 #
 204 # 1: REPO
 205 build_repo()
 206 {
 207         REPO="${1}"
 208         msg "build repo ${REPO}"
 209         if ! repo_exists "${REPO}"; then
 210                 if [ "${REPO}" = portage ]; then
 211                         extract_busybox "${REPO}"
 212                 fi
 213
 214                 env -i \
 215                         NAMESPACE="${NAMESPACE}" \
 216                         TAG="${DATE}" \
 217                         MAINTAINER="${AUTHOR}" \
 218                         envsubst '
 219                                 ${NAMESPACE}
 220                                 ${TAG}
 221                                 ${MAINTAINER}
 222                                 ' \
 223                                 < "${REPO}/Dockerfile.template" > "${REPO}/Dockerfile"
 224
 225                 msg "build ${NAMESPACE}/${REPO}:${DATE}"
 226                 "${DOCKER}" build ${BUILD_OPTS} -t "${NAMESPACE}/${REPO}:${DATE}" "${REPO}" ||
 227                         die "failed to build ${REPO}"
 228         fi
 229         msg "tag ${NAMESPACE}/${REPO}:latest"
 230         "${DOCKER}" tag -f "${NAMESPACE}/${REPO}:${DATE}" "${NAMESPACE}/${REPO}:latest" ||
 231                         die "failed to tag ${REPO}"
 232 }
 233
 234 build()
 235 {
 236         import_stage3
 237         import_portage
 238
 239         for REPO in ${REPOS}; do
 240                 build_repo "${REPO}"
 241         done
 242 }
 243
 244 missing()
 245 {
 246         for REPO in gentoo portage-import ${REPOS}; do
 247                 if ! repo_exists "${REPO}"; then
 248                         msg "${REPO}"
 249                 fi
 250         done
 251 }
 252
 253 ACTION="${1:-build}"
 254
 255 case "${ACTION}" in
 256 build) build ;;
 257 missing) missing ;;
 258 --help) msg "usage: ${0} [--help] {build|missing}" ;;
 259 *) die "invalid action '${ACTION}'" ;;
 260 esac