mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
b1953baba2
Docker-DCO-1.1-Signed-off-by: Kim BKC Carlbacker <kim.carlbacker@gmail.com> (github: bkcsoft)
241 lines
7.2 KiB
Bash
Executable file
241 lines
7.2 KiB
Bash
Executable file
#!/usr/bin/env bash
|
|
set -e
|
|
|
|
variant='minbase'
|
|
include='iproute,iputils-ping'
|
|
arch='amd64' # intentionally undocumented for now
|
|
skipDetection=
|
|
strictDebootstrap=
|
|
justTar=
|
|
|
|
usage() {
|
|
echo >&2
|
|
|
|
echo >&2 "usage: $0 [options] repo suite [mirror]"
|
|
|
|
echo >&2
|
|
echo >&2 'options: (not recommended)'
|
|
echo >&2 " -p set an http_proxy for debootstrap"
|
|
echo >&2 " -v $variant # change default debootstrap variant"
|
|
echo >&2 " -i $include # change default package includes"
|
|
echo >&2 " -d # strict debootstrap (do not apply any docker-specific tweaks)"
|
|
echo >&2 " -s # skip version detection and tagging (ie, precise also tagged as 12.04)"
|
|
echo >&2 " # note that this will also skip adding universe and/or security/updates to sources.list"
|
|
echo >&2 " -t # just create a tarball, especially for dockerbrew (uses repo as tarball name)"
|
|
|
|
echo >&2
|
|
echo >&2 " ie: $0 username/debian squeeze"
|
|
echo >&2 " $0 username/debian squeeze http://ftp.uk.debian.org/debian/"
|
|
|
|
echo >&2
|
|
echo >&2 " ie: $0 username/ubuntu precise"
|
|
echo >&2 " $0 username/ubuntu precise http://mirrors.melbourne.co.uk/ubuntu/"
|
|
|
|
echo >&2
|
|
echo >&2 " ie: $0 -t precise.tar.bz2 precise"
|
|
echo >&2 " $0 -t wheezy.tgz wheezy"
|
|
echo >&2 " $0 -t wheezy-uk.tar.xz wheezy http://ftp.uk.debian.org/debian/"
|
|
|
|
echo >&2
|
|
}
|
|
|
|
# these should match the names found at http://www.debian.org/releases/
|
|
debianStable=wheezy
|
|
debianUnstable=sid
|
|
# this should match the name found at http://releases.ubuntu.com/
|
|
ubuntuLatestLTS=precise
|
|
|
|
while getopts v:i:a:p:dst name; do
|
|
case "$name" in
|
|
p)
|
|
http_proxy="$OPTARG"
|
|
;;
|
|
v)
|
|
variant="$OPTARG"
|
|
;;
|
|
i)
|
|
include="$OPTARG"
|
|
;;
|
|
a)
|
|
arch="$OPTARG"
|
|
;;
|
|
d)
|
|
strictDebootstrap=1
|
|
;;
|
|
s)
|
|
skipDetection=1
|
|
;;
|
|
t)
|
|
justTar=1
|
|
;;
|
|
?)
|
|
usage
|
|
exit 0
|
|
;;
|
|
esac
|
|
done
|
|
shift $(($OPTIND - 1))
|
|
|
|
repo="$1"
|
|
suite="$2"
|
|
mirror="${3:-}" # stick to the default debootstrap mirror if one is not provided
|
|
|
|
if [ ! "$repo" ] || [ ! "$suite" ]; then
|
|
usage
|
|
exit 1
|
|
fi
|
|
|
|
# some rudimentary detection for whether we need to "sudo" our docker calls
|
|
docker=''
|
|
if docker version > /dev/null 2>&1; then
|
|
docker='docker'
|
|
elif sudo docker version > /dev/null 2>&1; then
|
|
docker='sudo docker'
|
|
elif command -v docker > /dev/null 2>&1; then
|
|
docker='docker'
|
|
else
|
|
echo >&2 "warning: either docker isn't installed, or your current user cannot run it;"
|
|
echo >&2 " this script is not likely to work as expected"
|
|
sleep 3
|
|
docker='docker' # give us a command-not-found later
|
|
fi
|
|
|
|
# make sure we have an absolute path to our final tarball so we can still reference it properly after we change directory
|
|
if [ "$justTar" ]; then
|
|
if [ ! -d "$(dirname "$repo")" ]; then
|
|
echo >&2 "error: $(dirname "$repo") does not exist"
|
|
exit 1
|
|
fi
|
|
repo="$(cd "$(dirname "$repo")" && pwd -P)/$(basename "$repo")"
|
|
fi
|
|
|
|
# will be filled in later, if [ -z "$skipDetection" ]
|
|
lsbDist=''
|
|
|
|
target="/tmp/docker-rootfs-debootstrap-$suite-$$-$RANDOM"
|
|
|
|
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
|
|
returnTo="$(pwd -P)"
|
|
|
|
set -x
|
|
|
|
# bootstrap
|
|
mkdir -p "$target"
|
|
sudo http_proxy=$http_proxy debootstrap --verbose --variant="$variant" --include="$include" --arch="$arch" "$suite" "$target" "$mirror"
|
|
|
|
cd "$target"
|
|
|
|
if [ -z "$strictDebootstrap" ]; then
|
|
# prevent init scripts from running during install/update
|
|
# policy-rc.d (for most scripts)
|
|
echo $'#!/bin/sh\nexit 101' | sudo tee usr/sbin/policy-rc.d > /dev/null
|
|
sudo chmod +x usr/sbin/policy-rc.d
|
|
# initctl (for some pesky upstart scripts)
|
|
sudo chroot . dpkg-divert --local --rename --add /sbin/initctl
|
|
sudo ln -sf /bin/true sbin/initctl
|
|
# see https://github.com/dotcloud/docker/issues/446#issuecomment-16953173
|
|
|
|
# shrink the image, since apt makes us fat (wheezy: ~157.5MB vs ~120MB)
|
|
sudo chroot . apt-get clean
|
|
|
|
# while we're at it, apt is unnecessarily slow inside containers
|
|
# this forces dpkg not to call sync() after package extraction and speeds up install
|
|
# the benefit is huge on spinning disks, and the penalty is nonexistent on SSD or decent server virtualization
|
|
echo 'force-unsafe-io' | sudo tee etc/dpkg/dpkg.cfg.d/02apt-speedup > /dev/null
|
|
# we want to effectively run "apt-get clean" after every install to keep images small (see output of "apt-get clean -s" for context)
|
|
{
|
|
aptGetClean='"rm -f /var/cache/apt/archives/*.deb /var/cache/apt/archives/partial/*.deb /var/cache/apt/*.bin || true";'
|
|
echo "DPkg::Post-Invoke { ${aptGetClean} };"
|
|
echo "APT::Update::Post-Invoke { ${aptGetClean} };"
|
|
echo 'Dir::Cache::pkgcache ""; Dir::Cache::srcpkgcache "";'
|
|
} | sudo tee etc/apt/apt.conf.d/no-cache > /dev/null
|
|
# and remove the translations, too
|
|
echo 'Acquire::Languages "none";' | sudo tee etc/apt/apt.conf.d/no-languages > /dev/null
|
|
|
|
# helpful undo lines for each the above tweaks (for lack of a better home to keep track of them):
|
|
# rm /usr/sbin/policy-rc.d
|
|
# rm /sbin/initctl; dpkg-divert --rename --remove /sbin/initctl
|
|
# rm /etc/dpkg/dpkg.cfg.d/02apt-speedup
|
|
# rm /etc/apt/apt.conf.d/no-cache
|
|
# rm /etc/apt/apt.conf.d/no-languages
|
|
|
|
if [ -z "$skipDetection" ]; then
|
|
# see also rudimentary platform detection in hack/install.sh
|
|
lsbDist=''
|
|
if [ -r etc/lsb-release ]; then
|
|
lsbDist="$(. etc/lsb-release && echo "$DISTRIB_ID")"
|
|
fi
|
|
if [ -z "$lsbDist" ] && [ -r etc/debian_version ]; then
|
|
lsbDist='Debian'
|
|
fi
|
|
|
|
case "$lsbDist" in
|
|
Debian)
|
|
# add the updates and security repositories
|
|
if [ "$suite" != "$debianUnstable" -a "$suite" != 'unstable' ]; then
|
|
# ${suite}-updates only applies to non-unstable
|
|
sudo sed -i "p; s/ $suite main$/ ${suite}-updates main/" etc/apt/sources.list
|
|
|
|
# same for security updates
|
|
echo "deb http://security.debian.org/ $suite/updates main" | sudo tee -a etc/apt/sources.list > /dev/null
|
|
fi
|
|
;;
|
|
Ubuntu)
|
|
# add the universe, updates, and security repositories
|
|
sudo sed -i "
|
|
s/ $suite main$/ $suite main universe/; p;
|
|
s/ $suite main/ ${suite}-updates main/; p;
|
|
s/ $suite-updates main/ ${suite}-security main/
|
|
" etc/apt/sources.list
|
|
;;
|
|
esac
|
|
fi
|
|
fi
|
|
|
|
if [ "$justTar" ]; then
|
|
# create the tarball file so it has the right permissions (ie, not root)
|
|
touch "$repo"
|
|
|
|
# fill the tarball
|
|
sudo tar --numeric-owner -caf "$repo" .
|
|
else
|
|
# create the image (and tag $repo:$suite)
|
|
sudo tar --numeric-owner -c . | $docker import - $repo:$suite
|
|
|
|
# test the image
|
|
$docker run -i -t $repo:$suite echo success
|
|
|
|
if [ -z "$skipDetection" ]; then
|
|
case "$lsbDist" in
|
|
Debian)
|
|
if [ "$suite" = "$debianStable" -o "$suite" = 'stable' ] && [ -r etc/debian_version ]; then
|
|
# tag latest
|
|
$docker tag $repo:$suite $repo:latest
|
|
|
|
if [ -r etc/debian_version ]; then
|
|
# tag the specific debian release version (which is only reasonable to tag on debian stable)
|
|
ver=$(cat etc/debian_version)
|
|
$docker tag $repo:$suite $repo:$ver
|
|
fi
|
|
fi
|
|
;;
|
|
Ubuntu)
|
|
if [ "$suite" = "$ubuntuLatestLTS" ]; then
|
|
# tag latest
|
|
$docker tag $repo:$suite $repo:latest
|
|
fi
|
|
if [ -r etc/lsb-release ]; then
|
|
lsbRelease="$(. etc/lsb-release && echo "$DISTRIB_RELEASE")"
|
|
if [ "$lsbRelease" ]; then
|
|
# tag specific Ubuntu version number, if available (12.04, etc.)
|
|
$docker tag $repo:$suite $repo:$lsbRelease
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
fi
|
|
fi
|
|
|
|
# cleanup
|
|
cd "$returnTo"
|
|
sudo rm -rf "$target"
|