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