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287e604a8f
Additionally, this can be overridden by setting the TMPDIR variable, like this was already the case for the generic `mkimage.sh` script. As explained in #6456, the rationale to use `/var/tmp` instead of `/tmp` is that `/tmp` is often a small tmpfs filesystem with more restricted rights. Docker-DCO-1.1-Signed-off-by: Vincent Bernat <vincent@bernat.im> (github: vincentbernat)
123 lines
3.4 KiB
Bash
Executable file
123 lines
3.4 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Create a base CentOS Docker image.
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# This script is useful on systems with rinse available (e.g.,
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# building a CentOS image on Debian). See contrib/mkimage-yum.sh for
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# a way to build CentOS images on systems with yum installed.
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set -e
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echo >&2
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echo >&2 'warning: this script is deprecated - see mkimage.sh and mkimage/rinse'
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echo >&2
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repo="$1"
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distro="$2"
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mirror="$3"
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if [ ! "$repo" ] || [ ! "$distro" ]; then
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self="$(basename $0)"
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echo >&2 "usage: $self repo distro [mirror]"
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echo >&2
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echo >&2 " ie: $self username/centos centos-5"
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echo >&2 " $self username/centos centos-6"
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echo >&2
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echo >&2 " ie: $self username/slc slc-5"
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echo >&2 " $self username/slc slc-6"
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echo >&2
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echo >&2 " ie: $self username/centos centos-5 http://vault.centos.org/5.8/os/x86_64/CentOS/"
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echo >&2 " $self username/centos centos-6 http://vault.centos.org/6.3/os/x86_64/Packages/"
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echo >&2
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echo >&2 'See /etc/rinse for supported values of "distro" and for examples of'
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echo >&2 ' expected values of "mirror".'
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echo >&2
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echo >&2 'This script is tested to work with the original upstream version of rinse,'
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echo >&2 ' found at http://www.steve.org.uk/Software/rinse/ and also in Debian at'
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echo >&2 ' http://packages.debian.org/wheezy/rinse -- as always, YMMV.'
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echo >&2
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exit 1
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fi
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target="${TMPDIR:-/var/tmp}/docker-rootfs-rinse-$distro-$$-$RANDOM"
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cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
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returnTo="$(pwd -P)"
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rinseArgs=( --arch amd64 --distribution "$distro" --directory "$target" )
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if [ "$mirror" ]; then
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rinseArgs+=( --mirror "$mirror" )
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fi
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set -x
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mkdir -p "$target"
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sudo rinse "${rinseArgs[@]}"
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cd "$target"
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# rinse fails a little at setting up /dev, so we'll just wipe it out and create our own
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sudo rm -rf dev
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sudo mkdir -m 755 dev
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(
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cd dev
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sudo ln -sf /proc/self/fd ./
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sudo mkdir -m 755 pts
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sudo mkdir -m 1777 shm
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sudo mknod -m 600 console c 5 1
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sudo mknod -m 600 initctl p
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sudo mknod -m 666 full c 1 7
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sudo mknod -m 666 null c 1 3
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sudo mknod -m 666 ptmx c 5 2
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sudo mknod -m 666 random c 1 8
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sudo mknod -m 666 tty c 5 0
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sudo mknod -m 666 tty0 c 4 0
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sudo mknod -m 666 urandom c 1 9
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sudo mknod -m 666 zero c 1 5
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)
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# effectively: febootstrap-minimize --keep-zoneinfo --keep-rpmdb --keep-services "$target"
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# locales
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sudo rm -rf usr/{{lib,share}/locale,{lib,lib64}/gconv,bin/localedef,sbin/build-locale-archive}
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# docs
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sudo rm -rf usr/share/{man,doc,info,gnome/help}
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# cracklib
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sudo rm -rf usr/share/cracklib
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# i18n
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sudo rm -rf usr/share/i18n
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# yum cache
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sudo rm -rf var/cache/yum
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sudo mkdir -p --mode=0755 var/cache/yum
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# sln
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sudo rm -rf sbin/sln
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# ldconfig
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#sudo rm -rf sbin/ldconfig
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sudo rm -rf etc/ld.so.cache var/cache/ldconfig
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sudo mkdir -p --mode=0755 var/cache/ldconfig
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# allow networking init scripts inside the container to work without extra steps
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echo 'NETWORKING=yes' | sudo tee etc/sysconfig/network > /dev/null
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# to restore locales later:
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# yum reinstall glibc-common
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version=
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if [ -r etc/redhat-release ]; then
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version="$(sed -E 's/^[^0-9.]*([0-9.]+).*$/\1/' etc/redhat-release)"
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elif [ -r etc/SuSE-release ]; then
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version="$(awk '/^VERSION/ { print $3 }' etc/SuSE-release)"
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fi
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if [ -z "$version" ]; then
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echo >&2 "warning: cannot autodetect OS version, using $distro as tag"
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sleep 20
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version="$distro"
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fi
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sudo tar --numeric-owner -c . | docker import - $repo:$version
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docker run -i -t $repo:$version echo success
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cd "$returnTo"
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sudo rm -rf "$target"
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