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