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|
#!/bin/bash
### BEGIN INIT INFO
# Provides: vyatta-router
# Required-Start: $syslog $time $local_fs vyatta-unicast
# Required-Stop: $syslog $time $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: VyOS Router
# Description: Debian init script for the VyOS Router
### END INIT INFO
# **** License ****
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# A copy of the GNU General Public License is available as
# `/usr/share/common-licenses/GPL' in the Debian GNU/Linux distribution
# or on the World Wide Web at `http://www.gnu.org/copyleft/gpl.html'.
# You can also obtain it by writing to the Free Software Foundation,
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
# Author: Tom Grennan <tgrennan@vyatta.com>
# **** End License ****
. /lib/lsb/init-functions
: ${vyatta_env:=/etc/default/vyatta}
source $vyatta_env
declare progname=${0##*/}
declare action=$1; shift
declare -x BOOTFILE=$vyatta_sysconfdir/config/config.boot
# If vyos-config= boot option is present, use that file instead
VYOS_CONFIG=$(cat /proc/cmdline | grep -Eo '\bvyos-config=(\S+)\b' /proc/cmdline | awk -F'=' '{print $2}')
if [ ! -z "$VYOS_CONFIG" ]; then
if [ -r "$VYOS_CONFIG" ]; then
echo "Config selected manually: $VYOS_CONFIG"
declare -x BOOTFILE="$VYOS_CONFIG"
else
echo "WARNING: Could not read selected config file, using default!"
fi
fi
# Nothing will work without unionfs-fuse
# In squeeze fuse.conf is not world readable by default,
# ensure it's readable and includes "user_allow_other"
# for correct config operations.
# XXX: Is there a better way to do that?
echo "user_allow_other" > /etc/fuse.conf
chmod 644 /etc/fuse.conf
# XXX: And a better way to do this? There should be.
chmod 777 /dev/fuse
chmod go+rx /usr/bin/fusermount
declare -a subinit
declare -a all_subinits=(
rl-system
firewall )
if [ $# -gt 0 ] ; then
for s in $@ ; do
[ -x ${vyatta_sbindir}/${s}.init ] && subinit[${#subinit}]=$s
done
else
for s in ${all_subinits[@]} ; do
[ -x ${vyatta_sbindir}/${s}.init ] && subinit[${#subinit}]=$s
done
fi
GROUP=vyattacfg
# check if bootup of this portion is disabled
disabled () {
grep -q -w no-vyos-$1 /proc/cmdline
}
# if necessary, provide initial config
init_bootfile () {
if [ ! -r $BOOTFILE ] ; then
if [ -f $vyatta_sysconfdir/config.boot.default ]; then
cp $vyatta_sysconfdir/config.boot.default $BOOTFILE
else
$vyatta_sbindir/vyatta_current_conf_ver.pl > $BOOTFILE
fi
chgrp ${GROUP} $BOOTFILE
chmod 660 $BOOTFILE
fi
}
# if necessary, migrate initial config
migrate_bootfile ()
{
if [ -x $vyatta_sbindir/vyatta_config_migrate.pl ]; then
log_progress_msg migrate
sg ${GROUP} -c "$vyatta_sbindir/vyatta_config_migrate.pl $BOOTFILE"
fi
}
# load the initial config
load_bootfile ()
{
log_progress_msg configure
(
if [ -f /etc/default/vyatta-load-boot ]; then
# build-specific environment for boot-time config loading
source /etc/default/vyatta-load-boot
fi
sg ${GROUP} -c "$vyatta_sbindir/vyatta-boot-config-loader $BOOTFILE"
)
}
#
# On image booted machines, we need to mount /boot from the image-specific
# boot directory so that kernel package installation will put the
# files in the right place. We also have to mount /boot/grub from the
# system-wide grub directory so that tools that edit the grub.cfg
# file will find it in the expected location.
#
bind_mount_boot()
{
if [ -e /live/image/boot ]; then
image_name=`cat /proc/cmdline | sed -e s+^.*vyatta-union=/boot/++ | sed -e 's/ .*$//'`
if [ -n "$image_name" ]; then
mount --bind /live/image/boot/$image_name /boot
if [ $? -ne 0 ]; then
echo "Couldn't bind mount /boot"
fi
if [ ! -d /boot/grub ]; then
mkdir /boot/grub
fi
mount --bind /live/image/boot/grub /boot/grub
if [ $? -ne 0 ]; then
echo "Couldn't bind mount /boot/grub"
fi
fi
fi
}
#
# On live booted machines (i.e. systems booted from LiveCD and systems
# booted from images), the /opt/vyatta/etc/config directory is bind
# mounted to /config. We want all machines to have the config directory
# mounted under /config because it is a more convenient location. So we
# bind mount /opt/vyatta/etc/config to /config here if it has not already
# been done.
#
mount_slash_config ()
{
mounted=`mount | grep /opt/vyatta/etc/config`
if [ -z "$mounted" ]; then
if [ ! -d /config ]; then
mkdir /config
fi
mount --bind /opt/vyatta/etc/config /config
fi
chgrp -R ${GROUP} /config
}
start ()
{
log_action_begin_msg "Mounting VyOS Config"
# ensure the vyatta_configdir supports a large number of inodes since
# the config hierarchy is often inode-bound (instead of size).
# impose a minimum and then scale up dynamically with the actual size
# of the system memory.
local tmem=$(sed -n 's/^MemTotal: \+\([0-9]\+\) kB$/\1/p' /proc/meminfo)
local tpages
local tmpfs_opts="nosuid,nodev,mode=775,nr_inodes=0" #automatically allocate inodes
mount -o $tmpfs_opts -t tmpfs none ${vyatta_configdir} \
&& chgrp ${GROUP} ${vyatta_configdir}
log_action_end_msg $?
disabled bootfile || init_bootfile
mount_slash_config
log_daemon_msg "Starting VyOS router"
disabled migrate || migrate_bootfile
for s in ${subinit[@]} ; do
if ! disabled $s; then
log_progress_msg $s
if ! ${vyatta_sbindir}/${s}.init start
then log_failure_msg
exit 1
fi
fi
done
disabled configure || load_bootfile
log_end_msg $?
telinit q
bind_mount_boot
chmod g-w,o-w /
}
stop()
{
local -i status=0
log_daemon_msg "Stopping VyOS router"
for ((i=${#sub_inits[@]} - 1; i >= 0; i--)) ; do
s=${subinit[$i]}
log_progress_msg $s
${vyatta_sbindir}/${s}.init stop
let status\|=$?
done
log_end_msg $status
log_action_begin_msg "Un-mounting VyOS Config"
umount ${vyatta_configdir}
log_action_end_msg $?
}
case "$action" in
start) start ;;
stop) stop ;;
restart|force-reload) stop && start ;;
*) log_failure_msg "usage: $progname [ start|stop|restart ] [ subinit ... ]" ;
false ;;
esac
exit $?
# Local Variables:
# mode: shell-script
# sh-indentation: 4
# End:
|
