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

# Copyright (C) 2009 Nicira Networks, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

. /etc/init.d/functions

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