1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/contrib/mkimage-debian.sh
Tianon Gravi 10362870db Add a few tweaks and fixes to contrib/mkimage-debian.sh
Add simple workaround for #1755 to contrib/mkimage-debian.sh

Add simple echo patch in contrib/mkimage-debian.sh to prevent init scripts from running during apt-get installs/updates

Add `apt-get clean` to mkimage-debian.sh for slightly smaller images

Add more small apt tweaks to mkimage-debian.sh thanks to @jpetazzo and @spahl
2013-09-23 22:39:57 -06:00

66 lines
1.8 KiB
Bash
Executable file

#!/bin/bash
set -e
# these should match the names found at http://www.debian.org/releases/
stableSuite='wheezy'
testingSuite='jessie'
unstableSuite='sid'
variant='minbase'
include='iproute,iputils-ping'
repo="$1"
suite="${2:-$stableSuite}"
mirror="${3:-}" # stick to the default debootstrap mirror if one is not provided
if [ ! "$repo" ]; then
echo >&2 "usage: $0 repo [suite [mirror]]"
echo >&2 " ie: $0 tianon/debian squeeze"
exit 1
fi
target="/tmp/docker-rootfs-debian-$suite-$$-$RANDOM"
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
returnTo="$(pwd -P)"
set -x
# bootstrap
mkdir -p "$target"
sudo debootstrap --verbose --variant="$variant" --include="$include" "$suite" "$target" "$mirror"
cd "$target"
# prevent init scripts from running during install/update
echo $'#!/bin/sh\nexit 101' | sudo tee usr/sbin/policy-rc.d > /dev/null
sudo chmod +x usr/sbin/policy-rc.d
# 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
echo 'force-unsafe-io' | sudo tee etc/dpkg/dpkg.cfg.d/02apt-speedup > /dev/null
# we don't need an apt cache in a container
echo 'Acquire::http {No-Cache=True;};' | sudo tee etc/apt/apt.conf.d/no-cache > /dev/null
# create the image (and tag $repo:$suite)
sudo tar -c . | docker import - $repo $suite
# test the image
docker run -i -t $repo:$suite echo success
if [ "$suite" = "$stableSuite" -o "$suite" = 'stable' ]; then
# tag latest
docker tag $repo:$suite $repo latest
# tag the specific debian release version
ver=$(docker run $repo:$suite cat /etc/debian_version)
docker tag $repo:$suite $repo $ver
fi
# cleanup
cd "$returnTo"
sudo rm -rf "$target"