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="${DATE:-20140410}"
  30 MIRROR="${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-syslog
  49         gentoo-java
  50         gentoo-layman
  51         gentoo-node
  52         buildbot
  53         docker-registry
  54         elasticsearch
  55         hubot
  56         irker
  57         memcached
  58         nginx
  59         nginx-proxy
  60         kibana
  61         kibana-azure
  62         ngircd
  63         package-cache
  64         postgresql
  65         redis
  66         salt-minion
  67         stunnel
  68         }"
  69
  70 die()
  71 {
  72         echo "$1"
  73         exit 1
  74 }
  75
  76 msg()
  77 {
  78         echo "$@"
  79 }
  80
  81 REALPATH="${REALPATH:-$(command -v realpath)}"
  82 if [ -z "${REALPATH}" ]; then
  83         READLINK="${READLINK:-$(command -v readlink)}"
  84         if [ -n "${READLINK}" ]; then
  85                 REALPATH="${READLINK} -f"
  86         else
  87                 die "need realpath or readlink to canonicalize paths"
  88         fi
  89 fi
  90
  91 # Does "${NAMESPACE}/${REPO}:${DATE}" exist?
  92 # Returns 0 (exists) or 1 (missing).
  93 #
  94 # Arguments:
  95 #
  96 # 1: REPO
  97 repo_exists()
  98 {
  99         REPO="${1}"
 100         IMAGES=$("${DOCKER}" images "${NAMESPACE}/${REPO}")
 101         MATCHES=$(echo "${IMAGES}" | grep "${DATE}")
 102         if [ -z "${MATCHES}" ]; then
 103                 return 1
 104         fi
 105         return 0
 106 }
 107
 108 # If they don't already exist:
 109 #
 110 # * download the stage3 and
 111 # * create "${NAMESPACE}/gentoo:${DATE}"
 112 #
 113 # Forcibly tag "${NAMESPACE}/gentoo:${DATE}" with "latest"
 114 import_stage3()
 115 {
 116         msg "import stage3"
 117         if ! repo_exists gentoo; then
 118                 # import stage3 image from Gentoo mirrors
 119
 120                 for FILE in "${STAGE3}" "${STAGE3_CONTENTS}" "${STAGE3_DIGESTS}"; do
 121                         if [ ! -f "downloads/${FILE}" ]; then
 122                                 wget -O "downloads/${FILE}" "${ARCH_URL}${FILE}" ||
 123                                         die "failed to download ${ARCH_URL}${FILE}"
 124                         fi
 125                 done
 126
 127                 gpg --verify "downloads/${STAGE3_DIGESTS}" || die "insecure digests"
 128                 SHA512_HASHES=$(grep -A1 SHA512 "downloads/${STAGE3_DIGESTS}" | grep -v '^--')
 129                 SHA512_CHECK=$(cd downloads/ && (echo "${SHA512_HASHES}" | sha512sum -c))
 130                 SHA512_FAILED=$(echo "${SHA512_CHECK}" | grep FAILED)
 131                 if [ -n "${SHA512_FAILED}" ]; then
 132                         die "${SHA512_FAILED}"
 133                 fi
 134
 135                 msg "import ${NAMESPACE}/gentoo:${DATE}"
 136                 "${DOCKER}" import - "${NAMESPACE}/gentoo:${DATE}" < "downloads/${STAGE3}" || die "failed to import"
 137         fi
 138
 139         msg "tag ${NAMESPACE}/gentoo:latest"
 140         "${DOCKER}" tag -f "${NAMESPACE}/gentoo:${DATE}" "${NAMESPACE}/gentoo:latest" || die "failed to tag"
 141 }
 142
 143 # If they don't already exist:
 144 #
 145 # * download a portage snapshot and
 146 # * create "${NAMESPACE}/portage-import:${DATE}"
 147 #
 148 # Forcibly tag "${NAMESPACE}/portage-import:${DATE}" with "latest"
 149 import_portage()
 150 {
 151         msg "import portage"
 152         if ! repo_exists portage-import; then
 153                 # import portage image from Gentoo mirrors
 154
 155                 for FILE in "${PORTAGE}" "${PORTAGE_SIG}"; do
 156                         if [ ! -f "downloads/${FILE}" ]; then
 157                                 wget -O "downloads/${FILE}" "${PORTAGE_URL}${FILE}" ||
 158                                         die "failed to download ${PORTAGE_URL}${FILE}"
 159                         fi
 160                 done
 161
 162                 gpg --verify "downloads/${PORTAGE_SIG}" "downloads/${PORTAGE}" || die "insecure digests"
 163
 164                 msg "import ${NAMESPACE}/portage-import:${DATE}"
 165                 "${DOCKER}" import - "${NAMESPACE}/portage-import:${DATE}" < "downloads/${PORTAGE}" || die "failed to import"
 166         fi
 167
 168         msg "tag ${NAMESPACE}/portage-import:latest"
 169         "${DOCKER}" tag -f "${NAMESPACE}/portage-import:${DATE}" "${NAMESPACE}/portage-import:latest" || die "failed to tag"
 170 }
 171
 172 # extract Busybox for the portage image
 173 #
 174 # Arguments:
 175 #
 176 # 1: SUBDIR target subdirectory for the busybox binary
 177 extract_busybox()
 178 {
 179         SUBDIR="${1}"
 180         msg "extract Busybox binary to ${SUBDIR}"
 181         THIS_DIR=$(dirname $($REALPATH $0))
 182         CONTAINER="${NAMESPACE}-gentoo-${DATE}-extract-busybox"
 183         "${DOCKER}" run --name "${CONTAINER}" -v "${THIS_DIR}/${SUBDIR}/":/tmp "${NAMESPACE}/gentoo:${DATE}" cp /bin/busybox /tmp/
 184         "${DOCKER}" rm "${CONTAINER}"
 185 }
 186
 187 # If it doesn't already exist:
 188 #
 189 # * create "${NAMESPACE}/${REPO}:${DATE}" from
 190 #   "${REPO}/Dockerfile.template"
 191 #
 192 # Forcibly tag "${NAMESPACE}/${REPO}:${DATE}" with "latest"
 193 #
 194 # Arguments:
 195 #
 196 # 1: REPO
 197 build_repo()
 198 {
 199         REPO="${1}"
 200         msg "build repo ${REPO}"
 201         if ! repo_exists "${REPO}"; then
 202                 if [ "${REPO}" = portage ]; then
 203                         extract_busybox "${REPO}"
 204                 fi
 205
 206                 env -i \
 207                         NAMESPACE="${NAMESPACE}" \
 208                         TAG="${DATE}" \
 209                         MAINTAINER="${AUTHOR}" \
 210                         envsubst '
 211                                 ${NAMESPACE}
 212                                 ${TAG}
 213                                 ${MAINTAINER}
 214                                 ' \
 215                                 < "${REPO}/Dockerfile.template" > "${REPO}/Dockerfile"
 216
 217                 msg "build ${NAMESPACE}/${REPO}:${DATE}"
 218                 "${DOCKER}" build ${BUILD_OPTS} -t "${NAMESPACE}/${REPO}:${DATE}" "${REPO}" || die "failed to build"
 219         fi
 220         msg "tag ${NAMESPACE}/${REPO}:latest"
 221         "${DOCKER}" tag -f "${NAMESPACE}/${REPO}:${DATE}" "${NAMESPACE}/${REPO}:latest" || die "failed to tag"
 222 }
 223
 224 build()
 225 {
 226         import_stage3
 227         import_portage
 228
 229         for REPO in ${REPOS}; do
 230                 build_repo "${REPO}"
 231         done
 232 }
 233
 234 missing()
 235 {
 236         for REPO in gentoo portage-import ${REPOS}; do
 237                 if ! repo_exists "${REPO}"; then
 238                         msg "${REPO}"
 239                 fi
 240         done
 241 }
 242
 243 ACTION="${1:-build}"
 244
 245 case "${ACTION}" in
 246 build) build ;;
 247 missing) missing ;;
 248 --help) msg "usage: ${0} [--help] {build|missing}" ;;
 249 *) die "invalid action '${ACTION}'" ;;
 250 esac