180 lines
5.3 KiB
Bash
Executable File
180 lines
5.3 KiB
Bash
Executable File
#!/bin/sh
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# This script builds various binary artifacts from a checkout of the docker
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# source code.
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#
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# Requirements:
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# - The current directory should be a checkout of the docker source code
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# (http://github.com/dotcloud/docker). Whatever version is checked out
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# will be built.
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# - The VERSION file, at the root of the repository, should exist, and
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# will be used as Docker binary version and package version.
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# - The hash of the git commit will also be included in the Docker binary,
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# with the suffix -dirty if the repository isn't clean.
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# - The script is intented to be run as part of a docker build, as defined
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# in the Dockerfile at the root of the source. In other words:
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# DO NOT CALL THIS SCRIPT DIRECTLY.
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# - The right way to call this script is to invoke "docker build ." from
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# your checkout of the Docker repository.
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#
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set -e
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# We're a nice, sexy, little shell script, and people might try to run us;
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# but really, they shouldn't. We want to be in a container!
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RESOLVCONF=$(readlink --canonicalize /etc/resolv.conf)
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grep -q "$RESOLVCONF" /proc/mounts || {
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echo "# I will only run within a container."
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echo "# Try this instead:"
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echo "docker build ."
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exit 1
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}
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VERSION=$(cat ./VERSION)
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PKGVERSION="$VERSION"
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GITCOMMIT=$(git rev-parse --short HEAD)
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if test -n "$(git status --porcelain)"
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then
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GITCOMMIT="$GITCOMMIT-dirty"
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PKGVERSION="$PKGVERSION-$(date +%Y%m%d%H%M%S)-$GITCOMMIT"
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fi
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PACKAGE_ARCHITECTURE="$(dpkg-architecture -qDEB_HOST_ARCH)"
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PACKAGE_URL="http://www.docker.io/"
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PACKAGE_MAINTAINER="docker@dotcloud.com"
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PACKAGE_DESCRIPTION="lxc-docker is a Linux container runtime
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Docker complements LXC with a high-level API which operates at the process
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level. It runs unix processes with strong guarantees of isolation and
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repeatability across servers.
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Docker is a great building block for automating distributed systems:
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large-scale web deployments, database clusters, continuous deployment systems,
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private PaaS, service-oriented architectures, etc."
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UPSTART_SCRIPT='description "Docker daemon"
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start on filesystem and started lxc-net
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stop on runlevel [!2345]
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respawn
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script
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/usr/bin/docker -d
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end script
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'
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# Each "bundle" is a different type of build artefact: static binary, Ubuntu
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# package, etc.
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# Build Docker as a static binary file
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bundle_binary() {
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mkdir -p bundles/$VERSION/binary
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go build -o bundles/$VERSION/binary/docker-$VERSION \
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-ldflags "-X main.GITCOMMIT $GITCOMMIT -X main.VERSION $VERSION -d -w" \
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./docker
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}
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# Build Docker's test suite as a collection of binary files (one per
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# sub-package to test)
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bundle_test() {
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mkdir -p bundles/$VERSION/test
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for test_dir in $(find_test_dirs); do
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test_binary=$(
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cd $test_dir
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go test -c -v -ldflags "-X main.GITCOMMIT $GITCOMMIT -X main.VERSION $VERSION -d -w" >&2
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find . -maxdepth 1 -type f -name '*.test' -executable
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)
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cp $test_dir/$test_binary bundles/$VERSION/test/
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done
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}
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# Build docker as an ubuntu package using FPM and REPREPRO (sue me).
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# bundle_binary must be called first.
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bundle_ubuntu() {
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mkdir -p bundles/$VERSION/ubuntu
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DIR=$(pwd)/bundles/$VERSION/ubuntu/build
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# Generate an upstart config file (ubuntu-specific)
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mkdir -p $DIR/etc/init
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echo "$UPSTART_SCRIPT" > $DIR/etc/init/docker.conf
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# Copy the binary
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mkdir -p $DIR/usr/bin
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cp bundles/$VERSION/binary/docker-$VERSION $DIR/usr/bin/docker
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# Generate postinstall/prerm scripts
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cat >/tmp/postinstall <<EOF
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#!/bin/sh
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/sbin/stop docker || true
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/sbin/start docker
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EOF
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cat >/tmp/prerm <<EOF
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#!/bin/sh
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/sbin/stop docker || true
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EOF
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chmod +x /tmp/postinstall /tmp/prerm
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(
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cd bundles/$VERSION/ubuntu
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fpm -s dir -C $DIR \
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--name lxc-docker-$VERSION --version $PKGVERSION \
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--after-install /tmp/postinstall \
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--before-remove /tmp/prerm \
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--architecture "$PACKAGE_ARCHITECTURE" \
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--prefix / \
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--depends lxc --depends aufs-tools \
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--description "$PACKAGE_DESCRIPTION" \
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--maintainer "$PACKAGE_MAINTAINER" \
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--conflicts lxc-docker-virtual-package \
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--provides lxc-docker \
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--provides lxc-docker-virtual-package \
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--replaces lxc-docker \
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--replaces lxc-docker-virtual-package \
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--url "$PACKAGE_URL" \
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--vendor "$PACKAGE_VENDOR" \
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-t deb .
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mkdir empty
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fpm -s dir -C empty \
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--name lxc-docker --version $PKGVERSION \
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--architecture "$PACKAGE_ARCHITECTURE" \
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--depends lxc-docker-$VERSION \
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--description "$PACKAGE_DESCRIPTION" \
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--maintainer "$PACKAGE_MAINTAINER" \
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--url "$PACKAGE_URL" \
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--vendor "$PACKAGE_VENDOR" \
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-t deb .
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)
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}
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# This helper function walks the current directory looking for directories
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# holding Go test files, and prints their paths on standard output, one per
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# line.
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find_test_dirs() {
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find . -name '*_test.go' |
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{ while read f; do dirname $f; done; } |
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sort -u
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}
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main() {
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bundle_binary
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bundle_ubuntu
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#bundle_test
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cat <<EOF
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###############################################################################
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Now run the resulting image, making sure that you set AWS_S3_BUCKET,
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AWS_ACCESS_KEY, and AWS_SECRET_KEY environment variables:
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docker run -e AWS_S3_BUCKET=get-staging.docker.io \\
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AWS_ACCESS_KEY=AKI1234... \\
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AWS_SECRET_KEY=sEs3mE... \\
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GPG_PASSPHRASE=sesame... \\
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image_id_or_name
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###############################################################################
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EOF
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}
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main
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