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="${DATE:-20140724}"
  30 MIRROR="${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-openrc
  49         gentoo-syslog
  50         gentoo-java
  51         gentoo-layman
  52         gentoo-node
  53         buildbot
  54         docker-registry
  55         elasticsearch
  56         hubot
  57         irker
  58         memcached
  59         nginx
  60         nginx-proxy
  61         kibana
  62         kibana-azure
  63         ngircd
  64         package-cache
  65         postgresql
  66         redis
  67         salt-minion
  68         stunnel
  69         }"
  70
  71 die()
  72 {
  73         echo "$1"
  74         exit 1
  75 }
  76
  77 msg()
  78 {
  79         echo "$@"
  80 }
  81
  82 REALPATH="${REALPATH:-$(command -v realpath)}"
  83 if [ -z "${REALPATH}" ]; then
  84         READLINK="${READLINK:-$(command -v readlink)}"
  85         if [ -n "${READLINK}" ]; then
  86                 REALPATH="${READLINK} -f"
  87         else
  88                 die "need realpath or readlink to canonicalize paths"
  89         fi
  90 fi
  91
  92 # Does "${NAMESPACE}/${REPO}:${DATE}" exist?
  93 # Returns 0 (exists) or 1 (missing).
  94 #
  95 # Arguments:
  96 #
  97 # 1: REPO
  98 repo_exists()
  99 {
 100         REPO="${1}"
 101         IMAGES=$("${DOCKER}" images "${NAMESPACE}/${REPO}")
 102         MATCHES=$(echo "${IMAGES}" | grep "${DATE}")
 103         if [ -z "${MATCHES}" ]; then
 104                 return 1
 105         fi
 106         return 0
 107 }
 108
 109 # If they don't already exist:
 110 #
 111 # * download the stage3 and
 112 # * create "${NAMESPACE}/gentoo:${DATE}"
 113 #
 114 # Forcibly tag "${NAMESPACE}/gentoo:${DATE}" with "latest"
 115 import_stage3()
 116 {
 117         msg "import stage3"
 118         if ! repo_exists gentoo; then
 119                 # import stage3 image from Gentoo mirrors
 120
 121                 for FILE in "${STAGE3}" "${STAGE3_CONTENTS}" "${STAGE3_DIGESTS}"; do
 122                         if [ ! -f "downloads/${FILE}" ]; then
 123                                 wget -O "downloads/${FILE}" "${ARCH_URL}${FILE}" ||
 124                                         die "failed to download ${ARCH_URL}${FILE}"
 125                         fi
 126                 done
 127
 128                 gpg --verify "downloads/${STAGE3_DIGESTS}" || die "insecure digests"
 129                 SHA512_HASHES=$(grep -A1 SHA512 "downloads/${STAGE3_DIGESTS}" | grep -v '^--')
 130                 SHA512_CHECK=$(cd downloads/ && (echo "${SHA512_HASHES}" | sha512sum -c))
 131                 SHA512_FAILED=$(echo "${SHA512_CHECK}" | grep FAILED)
 132                 if [ -n "${SHA512_FAILED}" ]; then
 133                         die "${SHA512_FAILED}"
 134                 fi
 135
 136                 msg "import ${NAMESPACE}/gentoo:${DATE}"
 137                 "${DOCKER}" import - "${NAMESPACE}/gentoo:${DATE}" < "downloads/${STAGE3}" || die "failed to import"
 138         fi
 139
 140         msg "tag ${NAMESPACE}/gentoo:latest"
 141         "${DOCKER}" tag -f "${NAMESPACE}/gentoo:${DATE}" "${NAMESPACE}/gentoo:latest" || die "failed to tag"
 142 }
 143
 144 # If they don't already exist:
 145 #
 146 # * download a portage snapshot and
 147 # * create "${NAMESPACE}/portage-import:${DATE}"
 148 #
 149 # Forcibly tag "${NAMESPACE}/portage-import:${DATE}" with "latest"
 150 import_portage()
 151 {
 152         msg "import portage"
 153         if ! repo_exists portage-import; then
 154                 # import portage image from Gentoo mirrors
 155
 156                 for FILE in "${PORTAGE}" "${PORTAGE_SIG}"; do
 157                         if [ ! -f "downloads/${FILE}" ]; then
 158                                 wget -O "downloads/${FILE}" "${PORTAGE_URL}${FILE}" ||
 159                                         die "failed to download ${PORTAGE_URL}${FILE}"
 160                         fi
 161                 done
 162
 163                 gpg --verify "downloads/${PORTAGE_SIG}" "downloads/${PORTAGE}" || die "insecure digests"
 164
 165                 msg "import ${NAMESPACE}/portage-import:${DATE}"
 166                 "${DOCKER}" import - "${NAMESPACE}/portage-import:${DATE}" < "downloads/${PORTAGE}" || die "failed to import"
 167         fi
 168
 169         msg "tag ${NAMESPACE}/portage-import:latest"
 170         "${DOCKER}" tag -f "${NAMESPACE}/portage-import:${DATE}" "${NAMESPACE}/portage-import:latest" || die "failed to tag"
 171 }
 172
 173 # extract Busybox for the portage image
 174 #
 175 # Arguments:
 176 #
 177 # 1: SUBDIR target subdirectory for the busybox binary
 178 extract_busybox()
 179 {
 180         SUBDIR="${1}"
 181         msg "extract Busybox binary to ${SUBDIR}"
 182         THIS_DIR=$(dirname $($REALPATH $0))
 183         CONTAINER="${NAMESPACE}-gentoo-${DATE}-extract-busybox"
 184         "${DOCKER}" run --name "${CONTAINER}" -v "${THIS_DIR}/${SUBDIR}/":/tmp "${NAMESPACE}/gentoo:${DATE}" cp /bin/busybox /tmp/
 185         "${DOCKER}" rm "${CONTAINER}"
 186 }
 187
 188 # If it doesn't already exist:
 189 #
 190 # * create "${NAMESPACE}/${REPO}:${DATE}" from
 191 #   "${REPO}/Dockerfile.template"
 192 #
 193 # Forcibly tag "${NAMESPACE}/${REPO}:${DATE}" with "latest"
 194 #
 195 # Arguments:
 196 #
 197 # 1: REPO
 198 build_repo()
 199 {
 200         REPO="${1}"
 201         msg "build repo ${REPO}"
 202         if ! repo_exists "${REPO}"; then
 203                 if [ "${REPO}" = portage ]; then
 204                         extract_busybox "${REPO}"
 205                 fi
 206
 207                 env -i \
 208                         NAMESPACE="${NAMESPACE}" \
 209                         TAG="${DATE}" \
 210                         MAINTAINER="${AUTHOR}" \
 211                         envsubst '
 212                                 ${NAMESPACE}
 213                                 ${TAG}
 214                                 ${MAINTAINER}
 215                                 ' \
 216                                 < "${REPO}/Dockerfile.template" > "${REPO}/Dockerfile"
 217
 218                 msg "build ${NAMESPACE}/${REPO}:${DATE}"
 219                 "${DOCKER}" build ${BUILD_OPTS} -t "${NAMESPACE}/${REPO}:${DATE}" "${REPO}" || die "failed to build"
 220         fi
 221         msg "tag ${NAMESPACE}/${REPO}:latest"
 222         "${DOCKER}" tag -f "${NAMESPACE}/${REPO}:${DATE}" "${NAMESPACE}/${REPO}:latest" || die "failed to tag"
 223 }
 224
 225 build()
 226 {
 227         import_stage3
 228         import_portage
 229
 230         for REPO in ${REPOS}; do
 231                 build_repo "${REPO}"
 232         done
 233 }
 234
 235 missing()
 236 {
 237         for REPO in gentoo portage-import ${REPOS}; do
 238                 if ! repo_exists "${REPO}"; then
 239                         msg "${REPO}"
 240                 fi
 241         done
 242 }
 243
 244 ACTION="${1:-build}"
 245
 246 case "${ACTION}" in
 247 build) build ;;
 248 missing) missing ;;
 249 --help) msg "usage: ${0} [--help] {build|missing}" ;;
 250 *) die "invalid action '${ACTION}'" ;;
 251 esac