diff options
Diffstat (limited to 'usr/src/lib/brand/lx/zone/lx_boot_zone_debian.ksh')
| -rw-r--r-- | usr/src/lib/brand/lx/zone/lx_boot_zone_debian.ksh | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/usr/src/lib/brand/lx/zone/lx_boot_zone_debian.ksh b/usr/src/lib/brand/lx/zone/lx_boot_zone_debian.ksh new file mode 100644 index 0000000000..86b5bffbe5 --- /dev/null +++ b/usr/src/lib/brand/lx/zone/lx_boot_zone_debian.ksh @@ -0,0 +1,175 @@ +#!/bin/ksh -p +# +# This file and its contents are supplied under the terms of the +# Common Development and Distribution License ("CDDL"), version 1.0. +# You may only use this file in accordance with the terms of version +# 1.0 of the CDDL. +# +# A full copy of the text of the CDDL should have accompanied this +# source. A copy of the CDDL is also available via the Internet at +# http://www.illumos.org/license/CDDL. +# + +# +# Copyright 2015 Joyent, Inc. +# + +# +# Customisation for Debian-based distributions. Assumes to have been +# sourced from lx_boot. +# + +tmpfile=/tmp/lx-debian.$$ + + +# Check that the directories we're writing to aren't symlinks outside the zone +safe_dir /etc +safe_dir /etc/init.d +safe_dir /etc/network +safe_dir /etc/rc0.d +safe_dir /etc/rc1.d +safe_dir /etc/rc2.d +safe_dir /etc/rc3.d +safe_dir /etc/rc4.d +safe_dir /etc/rc5.d +safe_dir /etc/rc6.d +safe_dir /etc/rcS.d +safe_opt_dir /etc/selinux + +# Populate resolv.conf setup files IF we have resolvers information. +zonecfg -z $ZONENAME info attr name=resolvers | grep -q resolvers +if [[ $? == 0 ]]; then + zonecfg -z $ZONENAME info attr name=resolvers | awk ' + BEGIN { + print("# AUTOMATIC ZONE CONFIG") + } + $1 == "value:" { + nres = split($2, resolvers, ","); + for (i = 1; i <= nres; i++) { + print("nameserver", resolvers[i]); + } + } + ' > $tmpfile + zonecfg -z $ZONENAME info attr name=dns-domain | awk ' + $1 == "value:" { + dom = $2 + } + END { + print("search", dom); + } + ' >> $tmpfile + fnm=$ZONEROOT/etc/resolv.conf + if [[ -f $fnm || -h $fnm ]]; then + mv -f $tmpfile $fnm + fi +fi + +# Override network configuration +zonecfg -z $ZONENAME info net | awk ' +BEGIN { + print("# AUTOMATIC ZONE CONFIG") + print("iface lo inet manual"); +} +$1 == "physical:" { + print("iface", $2, "inet manual"); +} +' > $tmpfile +fnm=$ZONEROOT/etc/network/interfaces +if [[ -f $fnm || -h $fnm ]]; then + mv -f $tmpfile $fnm +fi + +# +# The default /etc/inittab might spawn mingetty on each of the virtual consoles +# as well as xdm on the X console. Since we don't have virtual consoles nor +# an X console, spawn a single mingetty on /dev/console instead. +# +# Don't bother changing the file if it looks like we already did. +# +fnm=$ZONEROOT/etc/inittab +if ! egrep -s "Modified by lx brand" $fnm; then + sed 's/^[1-6]:/# Disabled by lx brand: &/' \ + $fnm > $tmpfile + echo "1:2345:respawn:/sbin/getty 38400 console" >> $tmpfile + echo "# Modified by lx brand" >> $tmpfile + + if [[ ! -h $fnm ]]; then + mv -f $tmpfile $fnm + chmod 644 $fnm + fi +fi + +# The Debian init uses a combination of traditional rc-style service +# definitions and upstart-style definitions. + +# +# The following rc-style scripts attempt to start services or otherwise +# configure the system in ways incompatible with zones, so don't execute them +# at boot time. +# +unsupported_rc_services=" + checkfs.sh + checkroot.sh + hwclock.sh + kmod + mtab.sh + procps + udev + udev-mtab +" + +for file in $unsupported_rc_services; do + rm -f $ZONEROOT/etc/init.d/$file + + rc_files="$(echo $ZONEROOT/etc/rc[0-6S].d/[SK]+([0-9])$file)" + + if [[ "$rc_files" != \ + "$ZONEROOT/etc/rc[0-6S].d/[SK]+([0-9])$file" ]]; then + for file in $rc_files; do + rm -f "$file" + done + fi +done + +disable_svc() +{ + fnm=$ZONEROOT/etc/init/$1.override + [[ -h $fnm || -f $fnm ]] && return + echo "manual" > $fnm +} + + +# +# Now customize upstart +# + +RMSVCS=" + network-interface-security + udev + udevmonitor + udevtrigger + udev-fallback-graphics + udev-finish +" +for f in $RMSVCS +do + disable_svc $f +done + +# +# We need to setup for the /dev/shm mount. Unlike some other distros, Debian +# can handle it as either /dev/shm or /run/shm. For simplicity we create an +# fstab entry to force it into the /dev/shm style. +# +fnm=$ZONEROOT/etc/fstab +entry=$(awk '{if ($2 == "/dev/shm") print $2}' $fnm) +if [[ -z "$entry" && ! -h $fnm ]]; then + echo "swapfs /dev/shm tmpfs defaults 0 0" >> $fnm +fi + +# +# upstart modifications are complete +# +rm -f $tmpfile + +# Hand control back to lx_boot |