Merge pull request #2358 from tianon/mkimage-rinse

Remove mkimage-centos.sh in favor of a new rinse-based script...

contrib/mkimage-centos.sh

@@ -1,15 +0,0 @@
-#!/bin/bash
-# Create a CentOS base image for Docker
-# From unclejack https://github.com/dotcloud/docker/issues/290
-set -e
-
-MIRROR_URL="http://centos.netnitco.net/6.4/os/x86_64/"
-MIRROR_URL_UPDATES="http://centos.netnitco.net/6.4/updates/x86_64/"
-
-yum install -y febootstrap xz
-
-febootstrap -i bash -i coreutils -i tar -i bzip2 -i gzip -i vim-minimal -i wget -i patch -i diffutils -i iproute -i yum centos centos64  $MIRROR_URL -u $MIRROR_URL_UPDATES
-touch centos64/etc/resolv.conf
-touch centos64/sbin/init
-
-tar --numeric-owner -Jcpf centos-64.tar.xz -C centos64 .

contrib/mkimage-rinse.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+set -e
+
+repo="$1"
+distro="$2"
+mirror="$3"
+
+if [ ! "$repo" ] || [ ! "$distro" ]; then
+	self="$(basename $0)"
+	echo >&2 "usage: $self repo distro [mirror]"
+	echo >&2
+	echo >&2 "   ie: $self username/centos centos-5"
+	echo >&2 "       $self username/centos centos-6"
+	echo >&2
+	echo >&2 "   ie: $self username/slc slc-5"
+	echo >&2 "       $self username/slc slc-6"
+	echo >&2
+	echo >&2 "   ie: $self username/centos centos-5 http://vault.centos.org/5.8/os/x86_64/CentOS/"
+	echo >&2 "       $self username/centos centos-6 http://vault.centos.org/6.3/os/x86_64/Packages/"
+	echo >&2
+	echo >&2 'See /etc/rinse for supported values of "distro" and for examples of'
+	echo >&2 '  expected values of "mirror".'
+	echo >&2
+	echo >&2 'This script is tested to work with the original upstream version of rinse,'
+	echo >&2 '  found at http://www.steve.org.uk/Software/rinse/ and also in Debian at'
+	echo >&2 '  http://packages.debian.org/wheezy/rinse -- as always, YMMV.'
+	echo >&2
+	exit 1
+fi
+
+target="/tmp/docker-rootfs-rinse-$distro-$$-$RANDOM"
+
+cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
+returnTo="$(pwd -P)"
+
+rinseArgs=( --arch amd64 --distribution "$distro" --directory "$target" )
+if [ "$mirror" ]; then
+	rinseArgs+=( --mirror "$mirror" )
+fi
+
+set -x
+
+mkdir -p "$target"
+
+sudo rinse "${rinseArgs[@]}"
+
+cd "$target"
+
+# rinse fails a little at setting up /dev, so we'll just wipe it out and create our own
+sudo rm -rf dev
+sudo mkdir -m 755 dev
+(
+	cd dev
+	sudo ln -sf /proc/self/fd ./
+	sudo mkdir -m 755 pts
+	sudo mkdir -m 1777 shm
+	sudo mknod -m 600 console c 5 1
+	sudo mknod -m 600 initctl p
+	sudo mknod -m 666 full c 1 7
+	sudo mknod -m 666 null c 1 3
+	sudo mknod -m 666 ptmx c 5 2
+	sudo mknod -m 666 random c 1 8
+	sudo mknod -m 666 tty c 5 0
+	sudo mknod -m 666 tty0 c 4 0
+	sudo mknod -m 666 urandom c 1 9
+	sudo mknod -m 666 zero c 1 5
+)
+
+# effectively: febootstrap-minimize --keep-zoneinfo --keep-rpmdb --keep-services "$target"
+#  locales
+sudo rm -rf usr/{{lib,share}/locale,{lib,lib64}/gconv,bin/localedef,sbin/build-locale-archive}
+#  docs
+sudo rm -rf usr/share/{man,doc,info,gnome/help}
+#  cracklib
+sudo rm -rf usr/share/cracklib
+#  i18n
+sudo rm -rf usr/share/i18n
+#  yum cache
+sudo rm -rf var/cache/yum
+sudo mkdir -p --mode=0755 var/cache/yum
+#  sln
+sudo rm -rf sbin/sln
+#  ldconfig
+#sudo rm -rf sbin/ldconfig
+sudo rm -rf etc/ld.so.cache var/cache/ldconfig
+sudo mkdir -p --mode=0755 var/cache/ldconfig
+
+# allow networking init scripts inside the container to work without extra steps
+echo 'NETWORKING=yes' | sudo tee etc/sysconfig/network > /dev/null
+
+# to restore locales later:
+#  yum reinstall glibc-common
+
+version=
+if [ -r etc/redhat-release ]; then
+	version="$(sed -E 's/^[^0-9.]*([0-9.]+).*$/\1/' etc/redhat-release)"
+elif [ -r etc/SuSE-release ]; then
+	version="$(awk '/^VERSION/ { print $3 }' etc/SuSE-release)"
+fi
+
+if [ -z "$version" ]; then
+	echo >&2 "warning: cannot autodetect OS version, using $distro as tag"
+	sleep 20
+	version="$distro"
+fi
+
+sudo tar --numeric-owner -c . | docker import - $repo:$version
+
+docker run -i -t $repo:$version echo success
+
+cd "$returnTo"
+sudo rm -rf "$target"

docs/sources/use/baseimages.rst

@@ -37,7 +37,7 @@ There are more example scripts for creating base images in the
 Docker Github Repo:
 
 * `BusyBox <https://github.com/dotcloud/docker/blob/master/contrib/mkimage-busybox.sh>`_
-* `CentOS
+* `CentOS / Scientific Linux CERN (SLC)
-  <https://github.com/dotcloud/docker/blob/master/contrib/mkimage-centos.sh>`_
+  <https://github.com/dotcloud/docker/blob/master/contrib/mkimage-rinse.sh>`_
-* `Debian/Ubuntu
+* `Debian / Ubuntu
   <https://github.com/dotcloud/docker/blob/master/contrib/mkimage-debootstrap.sh>`_