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