Browse code
Added new mkimage-yum.sh script to create CentOS base images
mkimage-rinse.sh requires rinse, which is not readily available on
CentOS or Fedora. Plus, creating a base image is trivial with yum
alone.
Docker-DCO-1.1-Signed-off-by: Chris St. Pierre <chris.a.st.pierre@gmail.com> (github: stpierre)
Chris St. Pierre authored on 2014/01/17 22:46:11Showing 3 changed files
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#!/usr/bin/env bash |
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+# |
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+# Create a base CentOS Docker image. |
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+ |
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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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+ |
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set -e |
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repo="$1" |
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new file mode 100755 |
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+#!/bin/bash |
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+# |
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+# Create a base CentOS Docker image. |
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+# |
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+# This script is useful on systems with yum installed (e.g., building |
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+# a CentOS image on CentOS). See contrib/mkimage-rinse.sh for a way |
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+# to build CentOS images on other systems. |
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+ |
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+usage() {
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+ cat <<EOOPTS |
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+$(basename $0) [OPTIONS] <name> |
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+OPTIONS: |
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+ -y <yumconf> The path to the yum config to install packages from. The |
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+ default is /etc/yum.conf. |
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+EOOPTS |
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+ exit 1 |
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+} |
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+ |
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+# option defaults |
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+yum_config=/etc/yum.conf |
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+while getopts ":y:h" opt; do |
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+ case $opt in |
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+ y) |
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+ yum_config=$OPTARG |
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+ ;; |
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+ h) |
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+ usage |
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+ ;; |
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+ \?) |
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+ echo "Invalid option: -$OPTARG" |
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+ usage |
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+ ;; |
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+ esac |
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+done |
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+shift $((OPTIND - 1)) |
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+name=$1 |
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+ |
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+if [[ -z $name ]]; then |
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+ usage |
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+fi |
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+ |
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+#-------------------- |
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+ |
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+target=$(mktemp -d --tmpdir $(basename $0).XXXXXX) |
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+ |
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+set -x |
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+ |
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+for dev in console null zero urandom; do |
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+ /sbin/MAKEDEV -d "$target"/dev -x $dev |
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+done |
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+ |
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+yum -c "$yum_config" --installroot="$target" --setopt=tsflags=nodocs \ |
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+ --setopt=group_package_types=mandatory -y groupinstall Core |
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+yum -c "$yum_config" --installroot="$mount" -y clean all |
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+ |
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+cat > "$target"/etc/sysconfig/network <<EOF |
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+NETWORKING=yes |
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+HOSTNAME=localhost.localdomain |
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+EOF |
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+ |
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+# effectively: febootstrap-minimize --keep-zoneinfo --keep-rpmdb |
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+# --keep-services "$target". Stolen from mkimage-rinse.sh |
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+# locales |
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+rm -rf "$target"/usr/{{lib,share}/locale,{lib,lib64}/gconv,bin/localedef,sbin/build-locale-archive}
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+# docs |
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+rm -rf "$target"/usr/share/{man,doc,info,gnome/help}
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+# cracklib |
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+rm -rf "$target"/usr/share/cracklib |
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+# i18n |
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+rm -rf "$target"/usr/share/i18n |
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+# sln |
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+rm -rf "$target"/sbin/sln |
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+# ldconfig |
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+rm -rf "$target"/etc/ld.so.cache |
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+rm -rf "$target"/var/cache/ldconfig/* |
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+ |
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+version= |
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+if [ -r "$target"/etc/redhat-release ]; then |
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+ version="$(sed 's/^[^0-9\]*\([0-9.]\+\).*$/\1/' /etc/redhat-release)" |
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+fi |
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+ |
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+if [ -z "$version" ]; then |
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+ echo >&2 "warning: cannot autodetect OS version, using '$name' as tag" |
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+ version=$name |
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+fi |
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+ |
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+tar --numeric-owner -c -C "$target" . | docker import - $name:$version |
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+docker run -i -t $name:$version echo success |
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+ |
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+rm -rf "$target" |
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@@ -37,7 +37,10 @@ There are more example scripts for creating base images in the |
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Docker Github Repo: |
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* `BusyBox <https://github.com/dotcloud/docker/blob/master/contrib/mkimage-busybox.sh>`_ |
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-* `CentOS / Scientific Linux CERN (SLC) |
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+* CentOS / Scientific Linux CERN (SLC) `on Debian/Ubuntu |
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<https://github.com/dotcloud/docker/blob/master/contrib/mkimage-rinse.sh>`_ |
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+ or |
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+ `on CentOS/RHEL/SLC/etc. |
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+ <https://github.com/dotcloud/docker/blob/master/contrib/mkimage-yum.sh>`_ |
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* `Debian / Ubuntu |
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<https://github.com/dotcloud/docker/blob/master/contrib/mkimage-debootstrap.sh>`_ |