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