#!/bin/bash
#
# vswitch-xapi-update
#
# chkconfig: 2345 95 01
# description: Update vswitch configuration from XAPI database at boot

# Copyright (C) 2009 Nicira Networks, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

. /etc/init.d/functions

test -e /etc/sysconfig/vswitch && . /etc/sysconfig/vswitch
VSWITCH_BASE="${VSWITCH_BASE:-/root/vswitch}"
VSWITCHD_CONF="${VSWITCHD_CONF:-/etc/ovs-vswitchd.conf}"
VSWITCHD_PIDFILE="${VSWITCHD_PIDFILE:-/var/run/ovs-vswitchd.pid}"
VSWITCHD_PRIORITY="${VSWITCHD_PRIORITY:--5}"
VSWITCHD_LOGFILE="${VSWITCHD_LOGFILE:-/var/log/ovs-vswitchd.log}"
VSWITCHD_FILE_LOGLEVEL="${VSWITCHD_FILE_LOGLEVEL:-}"
VSWITCHD_SYSLOG_LOGLEVEL="${VSWITCHD_SYSLOG_LOGLEVEL:-WARN}"
VSWITCHD_MEMLEAK_LOGFILE="${VSWITCHD_MEMLEAK_LOGFILE:-}"
BRCOMPATD_PIDFILE="${BRCOMPATD_PIDFILE:-/var/run/ovs-brcompatd.pid}"
BRCOMPATD_PRIORITY="${BRCOMPATD_PRIORITY:--5}"
BRCOMPATD_LOGFILE="${BRCOMPATD_LOGFILE:-/var/log/ovs-brcompatd.log}"
BRCOMPATD_FILE_LOGLEVEL="${BRCOMPATD_FILE_LOGLEVEL:-}"
BRCOMPATD_SYSLOG_LOGLEVEL="${BRCOMPATD_SYSLOG_LOGLEVEL:-WARN}"
BRCOMPATD_MEMLEAK_LOGFILE="${BRCOMPATD_MEMLEAK_LOGFILE:-}"

function do_host_call {
    xe host-call-plugin host-uuid="$INSTALLATION_UUID" plugin="vswitch-cfg-update" fn="update" >/dev/null
}

function start {
    if [ ! -f /etc/xensource-inventory ]; then
        printf "vxwitch-xapi-update ERROR: XenSource inventory not present in /etc/xensource-inventory\n"
        exit 1
    fi
    source /etc/xensource-inventory
    action "Updating configuration" do_host_call
}

case "$1" in
    start)
        start
        ;;
    stop)
        # Nothing to do here.
        ;;
    restart)
        start
        ;;
    help)
        printf "vswitch [start|stop|restart]\n"
        ;;
    *)
        printf "Unknown command: $1\n"
        exit 1
        ;;
esac