From 7a1a7cf2670de4a6b4565a0b619afa7579858aff Mon Sep 17 00:00:00 2001 From: Fabian Arrotin Date: Sep 28 2016 15:54:27 +0000 Subject: Added a kickstart for minimal centos 7 live running docker --- diff --git a/centos-7-livedocker.cfg b/centos-7-livedocker.cfg new file mode 100644 index 0000000..b7e449f --- /dev/null +++ b/centos-7-livedocker.cfg @@ -0,0 +1,363 @@ + +lang en_GB.UTF-8 +keyboard us +timezone Europe/Brussels --isUtc +auth --useshadow --enablemd5 +selinux --enforcing +#firewall --enabled --service=cockpit +firewall --disabled +#xconfig --startxonboot +part / --size 8192 --fstype ext4 +services --enabled=NetworkManager --disabled=network + + +# Root password +rootpw --plaintext centos + +repo --name=base --baseurl=http://mirror.centos.org/centos/7/os/x86_64/ +repo --name=updates --baseurl=http://mirror.centos.org/centos/7/updates/x86_64/ +repo --name=extras --baseurl=http://mirror.centos.org/centos/7/extras/x86_64/ + +%packages +@core +kernel +dracut +bash +firewalld +NetworkManager +e2fsprogs +rootfiles +docker + +# For UEFI/Secureboot support +grub2 +grub2-efi +efibootmgr +shim + + + +%end + +%post + +systemctl enable docker + +# FIXME: it'd be better to get this installed from a package +cat > /etc/rc.d/init.d/livesys << EOF +#!/bin/bash +# +# live: Init script for live image +# +# chkconfig: 345 00 99 +# description: Init script for live image. +### BEGIN INIT INFO +# X-Start-Before: display-manager +### END INIT INFO + +. /etc/init.d/functions + +if ! strstr "\`cat /proc/cmdline\`" rd.live.image || [ "\$1" != "start" ]; then + exit 0 +fi + +if [ -e /.liveimg-configured ] ; then + configdone=1 +fi + +exists() { + which \$1 >/dev/null 2>&1 || return + \$* +} + +# Make sure we don't mangle the hardware clock on shutdown +ln -sf /dev/null /etc/systemd/system/hwclock-save.service + +livedir="LiveOS" +for arg in \`cat /proc/cmdline\` ; do + if [ "\${arg##rd.live.dir=}" != "\${arg}" ]; then + livedir=\${arg##rd.live.dir=} + return + fi + if [ "\${arg##live_dir=}" != "\${arg}" ]; then + livedir=\${arg##live_dir=} + return + fi +done + +# enable swaps unless requested otherwise +swaps=\`blkid -t TYPE=swap -o device\` +if ! strstr "\`cat /proc/cmdline\`" noswap && [ -n "\$swaps" ] ; then + for s in \$swaps ; do + action "Enabling swap partition \$s" swapon \$s + done +fi +if ! strstr "\`cat /proc/cmdline\`" noswap && [ -f /run/initramfs/live/\${livedir}/swap.img ] ; then + action "Enabling swap file" swapon /run/initramfs/live/\${livedir}/swap.img +fi + +mountDockerDisk() { + # support label/uuid + if [ "\${dockerdev##LABEL=}" != "\${dockerdev}" -o "\${dockerdev##UUID=}" != "\${dockerdev}" ]; then + dockerdev=\`/sbin/blkid -o device -t "\$dockerdev"\` + fi + + # if we're given a file rather than a blockdev, loopback it + if [ "\${dockerdev##mtd}" != "\${dockerdev}" ]; then + # mtd devs don't have a block device but get magic-mounted with -t jffs2 + mountopts="-t jffs2" + elif [ ! -b "\$dockerdev" ]; then + loopdev=\`losetup -f\` + if [ "\${dockerdev##/run/initramfs/live}" != "\${dockerdev}" ]; then + action "Remounting live store r/w" mount -o remount,rw /run/initramfs/live + fi + losetup \$loopdev \$dockerdev + dockerdev=\$loopdev + fi + + # if it's encrypted, we need to unlock it + if [ "\$(/sbin/blkid -s TYPE -o value \$dockerdev 2>/dev/null)" = "crypto_LUKS" ]; then + echo + echo "Setting up encrypted Docker device" + plymouth ask-for-password --command="cryptsetup luksOpen \$dockerdev EncDocker" + dockerdev=/dev/mapper/EncDocker + fi + + # and finally do the mount + mount \$mountopts \$dockerdev /var/lib/docker + # if we have /home under what's passed for persistent home, then + # we should make that the real /home. useful for mtd device on olpc + if [ -d /var/lib/docker/docker ]; then mount --bind /var/lib/docker/docker /var/lib/docker ; fi + [ -x /sbin/restorecon ] && /sbin/restorecon /var/lib/docker +} + +findDockerDisk() { + for arg in \`cat /proc/cmdline\` ; do + if [ "\${arg##dockerdisk=}" != "\${arg}" ]; then + dockerdev=\${arg##dockerdisk=} + return + fi + done +} + +if strstr "\`cat /proc/cmdline\`" dockerdisk= ; then + findDockerDisk +elif [ -e /run/initramfs/live/\${livedir}/docker.img ]; then + dockerdev=/run/initramfs/live/\${livedir}/docker.img +fi + +# if we have a persistent /home, then we want to go ahead and mount it +if ! strstr "\`cat /proc/cmdline\`" nodockerdisk && [ -n "\$dockerdev" ] ; then + action "Mounting persistent /var/lib/docker" mountDockerDisk +fi + +# make it so that we don't do writing to the overlay for things which +# are just tmpdirs/caches +mount -t tmpfs -o mode=0755 varcacheyum /var/cache/yum +mount -t tmpfs vartmp /var/tmp +[ -x /sbin/restorecon ] && /sbin/restorecon /var/cache/yum /var/tmp >/dev/null 2>&1 + +if [ -n "\$configdone" ]; then + exit 0 +fi + +# add fedora user with no passwd +action "Adding live user" useradd \$USERADDARGS -c "Live System User" liveuser +passwd -d liveuser > /dev/null +usermod -aG wheel,docker liveuser > /dev/null + +# Remove root password lock +passwd -d root > /dev/null +(echo centos ; echo centos)|passwd root --stdin + +# turn off firstboot for livecd boots +systemctl --no-reload disable firstboot-text.service 2> /dev/null || : +systemctl --no-reload disable firstboot-graphical.service 2> /dev/null || : +systemctl stop firstboot-text.service 2> /dev/null || : +systemctl stop firstboot-graphical.service 2> /dev/null || : + +# don't use prelink on a running live image +sed -i 's/PRELINKING=yes/PRELINKING=no/' /etc/sysconfig/prelink &>/dev/null || : + +# turn off mdmonitor by default +systemctl --no-reload disable mdmonitor.service 2> /dev/null || : +systemctl --no-reload disable mdmonitor-takeover.service 2> /dev/null || : +systemctl stop mdmonitor.service 2> /dev/null || : +systemctl stop mdmonitor-takeover.service 2> /dev/null || : + +# don't enable the gnome-settings-daemon packagekit plugin +gsettings set org.gnome.settings-daemon.plugins.updates active 'false' || : + +# don't start cron/at as they tend to spawn things which are +# disk intensive that are painful on a live image +systemctl --no-reload disable crond.service 2> /dev/null || : +systemctl --no-reload disable atd.service 2> /dev/null || : +systemctl stop crond.service 2> /dev/null || : +systemctl stop atd.service 2> /dev/null || : + +# Mark things as configured +touch /.liveimg-configured + +# add static hostname to work around xauth bug +# https://bugzilla.redhat.com/show_bug.cgi?id=679486 +echo "localhost" > /etc/hostname + +# Fixing the lang install issue when other lang than English is selected . See http://bugs.centos.org/view.php?id=7217 +/usr/bin/cp /usr/lib/python2.7/site-packages/blivet/size.py /usr/lib/python2.7/site-packages/blivet/size.py.orig +/usr/bin/sed -i "s#return self.humanReadable()#return self.humanReadable().encode('utf-8')#g" /usr/lib/python2.7/site-packages/blivet/size.py + +EOF + +# bah, hal starts way too late +cat > /etc/rc.d/init.d/livesys-late << EOF +#!/bin/bash +# +# live: Late init script for live image +# +# chkconfig: 345 99 01 +# description: Late init script for live image. + +. /etc/init.d/functions + +if ! strstr "\`cat /proc/cmdline\`" rd.live.image || [ "\$1" != "start" ] || [ -e /.liveimg-late-configured ] ; then + exit 0 +fi + +exists() { + which \$1 >/dev/null 2>&1 || return + \$* +} + +touch /.liveimg-late-configured + +# read some variables out of /proc/cmdline +for o in \`cat /proc/cmdline\` ; do + case \$o in + ks=*) + ks="--kickstart=\${o#ks=}" + ;; + xdriver=*) + xdriver="\${o#xdriver=}" + ;; + esac +done + +# if liveinst or textinst is given, start anaconda +if strstr "\`cat /proc/cmdline\`" liveinst ; then + plymouth --quit + /usr/sbin/liveinst \$ks +fi +if strstr "\`cat /proc/cmdline\`" textinst ; then + plymouth --quit + /usr/sbin/liveinst --text \$ks +fi + +# configure X, allowing user to override xdriver +if [ -n "\$xdriver" ]; then + cat > /etc/X11/xorg.conf.d/00-xdriver.conf <> /etc/rc.d/init.d/livesys << EOF + + +# disable updates plugin +cat >> /usr/share/glib-2.0/schemas/org.gnome.settings-daemon.plugins.updates.gschema.override << FOE +[org.gnome.settings-daemon.plugins.updates] +active=false +FOE + +# Show the system-config-keyboard tool on the desktop +mkdir /home/liveuser/Desktop -p >/dev/null +cat /usr/share/applications/system-config-keyboard.desktop | sed '/NotShowIn/d' |sed 's/Terminal=false/Terminal=true/' > /home/liveuser/Desktop/system-config-keyboard.desktop +cat /usr/share/applications/liveinst.desktop | sed '/NoDisplay/d' > /home/liveuser/Desktop/liveinst.desktop +chmod +x /home/liveuser/Desktop/*.desktop +chown -R liveuser:liveuser /home/liveuser + +# Liveuser face +if [ -e /usr/share/icons/hicolor/96x96/apps/fedora-logo-icon.png ] ; then + cp /usr/share/icons/hicolor/96x96/apps/fedora-logo-icon.png /home/liveuser/.face + chown liveuser:liveuser /home/liveuser/.face +fi + +# make the installer show up +if [ -f /usr/share/applications/liveinst.desktop ]; then + # Show harddisk install in shell dash + sed -i -e 's/NoDisplay=true/NoDisplay=false/' /usr/share/applications/liveinst.desktop + # need to move it to anaconda.desktop to make shell happy + #cp /usr/share/applications/liveinst.desktop /usr/share/applications/anaconda.desktop +fi + cat >> /usr/share/glib-2.0/schemas/org.gnome.shell.gschema.override << FOE +[org.gnome.shell] +favorite-apps=['liveinst.desktop','firefox.desktop', 'evolution.desktop', 'empathy.desktop', 'rhythmbox.desktop', 'shotwell.desktop', 'libreoffice-writer.desktop', 'nautilus.desktop', 'gnome-documents.desktop', 'anaconda.desktop'] +FOE + + +# set up auto-login +cat > /etc/gdm/custom.conf << FOE +[daemon] +AutomaticLoginEnable=True +AutomaticLogin=liveuser +FOE + +# Turn off PackageKit-command-not-found while uninstalled +if [ -f /etc/PackageKit/CommandNotFound.conf ]; then + sed -i -e 's/^SoftwareSourceSearch=true/SoftwareSourceSearch=false/' /etc/PackageKit/CommandNotFound.conf +fi + +# make sure to set the right permissions and selinux contexts +chown -R liveuser:liveuser /home/liveuser/ +restorecon -R /home/liveuser/ + +# Fixing default locale to us +localectl set-keymap us +localectl set-x11-keymap us +EOF + +# rebuild schema cache with any overrides we installed +glib-compile-schemas /usr/share/glib-2.0/schemas + + +%end