[ovs.git] / xenserver / etc_init.d_vswitch

#!/bin/bash
#
# vswitch
#
# chkconfig: 2345 09 91
# description: Manage vswitch kernel modules and user-space daemon

# Copyright (C) 2009, 2010 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

# General config variables in /etc/sysconfig/vswitch
: ${ENABLE_BRCOMPAT:=y}
: ${ENABLE_FAKE_PROC_NET:=y}
: ${ENABLE_MONITOR:=y}
: ${FORCE_COREFILES:=y}

# Config variables specific to ovsdb-server
: ${OVSDB_SERVER_REMOTES:=punix:/var/run/ovsdb-server db:Open_vSwitch,managers}
: ${OVSDB_SERVER_DB:=/etc/ovs-vswitchd.conf.db}
: ${OVSDB_SERVER_PIDFILE:=/var/run/ovsdb-server.pid}
: ${OVSDB_SERVER_RUN_DIR:=/var/xen/vswitch}
: ${OVSDB_SERVER_PRIORITY:=-10}
: ${OVSDB_SERVER_LOGFILE:=/var/log/ovsdb-server.log}
: ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
: ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
: ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
: ${OVSDB_SERVER_STRACE_LOG:=}
: ${OVSDB_SERVER_STRACE_OPT:=}
: ${OVSDB_SERVER_VALGRIND_LOG:=}
: ${OVSDB_SERVER_VALGRIND_OPT:=}

# Config variables specific to ovs-vswitchd
: ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/ovsdb-server}
: ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/vswitch/vswitch.ovsschema}
: ${VSWITCHD_PIDFILE:=/var/run/ovs-vswitchd.pid}
: ${VSWITCHD_RUN_DIR:=/var/xen/vswitch}
: ${VSWITCHD_PRIORITY:=-10}
: ${VSWITCHD_MLOCKALL:=yes}
: ${VSWITCHD_LOGFILE:=/var/log/ovs-vswitchd.log}
: ${VSWITCHD_FILE_LOGLEVEL:=INFO}
: ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
: ${VSWITCHD_MEMLEAK_LOGFILE:=}
: ${VSWITCHD_STRACE_LOG:=}
: ${VSWITCHD_STRACE_OPT:=}
: ${VSWITCHD_VALGRIND_LOG:=}
: ${VSWITCHD_VALGRIND_OPT:=}

# Config variables specific to ovs-brcompatd
: ${BRCOMPATD_PIDFILE:=/var/run/ovs-brcompatd.pid}
: ${BRCOMPATD_RUN_DIR:=/var/xen/vswitch}
: ${BRCOMPATD_PRIORITY:=-10}
: ${BRCOMPATD_LOGFILE:=/var/log/ovs-brcompatd.log}
: ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
: ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
: ${BRCOMPATD_MEMLEAK_LOGFILE:=}
: ${BRCOMPATD_STRACE_LOG:=}
: ${BRCOMPATD_STRACE_OPT:=}
: ${BRCOMPATD_VALGRIND_LOG:=}
: ${BRCOMPATD_VALGRIND_OPT:=}

# Full paths to executables & modules
ovsdb_server="/usr/sbin/ovsdb-server"
ovsdb_tool="/usr/bin/ovsdb-tool"
vswitchd="/usr/sbin/ovs-vswitchd"
brcompatd="/usr/sbin/ovs-brcompatd"
dpctl="/usr/bin/ovs-dpctl"
appctl="/usr/bin/ovs-appctl"
ofctl="/usr/bin/ovs-ofctl"
vsctl="/usr/bin/ovs-vsctl"

if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
    if [ "$ENABLE_BRCOMPAT" != "y" ]; then
        warning "FAKE_PROC_NET required BRCOMPAT which was disabled.  Force enabling."
        ENABLE_BRCOMPAT="y"
    fi
fi

if test "$ENABLE_MONITOR" = "y"; then
    monitor_opt="--monitor"
else
    monitor_opt=
fi

function dp_list {
    "$dpctl" show | grep '^dp[0-9]\+:' | cut -d':' -f 1
}

function turn_on_corefiles {
    ulimit -Sc 67108864
}

function remove_all_dp {
    for dp in $(dp_list); do
        action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
    done
}

function insert_modules_if_required {
    if ! lsmod | grep -q "openvswitch_mod"; then
        action "Inserting llc module" modprobe llc
        action "Inserting openvswitch module" modprobe openvswitch_mod
    fi
    if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
        action "Inserting brcompat module" modprobe brcompat_mod
    fi
    if [ -f "/lib/modules/`uname -r`/kernel/net/vswitch/ip_gre_mod.ko" ] && ! lsmod | grep -q "ip_gre_mod"; then
        action "Inserting ip_gre module" modprobe ip_gre_mod
    fi
}

function remove_modules {
    if lsmod | grep -q "brcompat_mod"; then
        action "Removing brcompat module" rmmod brcompat_mod.ko
    fi
    if lsmod | grep -q "openvswitch_mod"; then
        action "Removing openvswitch module" rmmod openvswitch_mod.ko
    fi
    if lsmod | grep -q "ip_gre_mod"; then
        action "Removing ip_gre module" rmmod ip_gre_mod.ko
    fi
}

function start_ovsdb_server {
    local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}"
    local logfile_file_opt=""
    local logfile_level_opt=""
    if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then
        mkdir -p "$OVSDB_SERVER_RUN_DIR"
    fi
    cd "$OVSDB_SERVER_RUN_DIR"
    local remotes=
    for remote in $OVSDB_SERVER_REMOTES; do
        remotes="$remotes --remote=$remote"
    done
    if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then
        logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}"
        logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE"
    fi
    local leak_opt=""
    if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
        leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE"
        if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
            mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev"
        fi
    fi
    local strace_opt=""
    local daemonize="y"
    if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
        printf "Can not start with both VALGRIND and STRACE\n"
        exit 1
    fi
    if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then
        strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT"
        daemonize="n"
    fi
    if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
        valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT"
        daemonize="n"
    fi
    ssl_opts="--private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert"
    if [ "$daemonize" != "y" ]; then
        # Start in background and force a "success" message
        action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true
        (nice -n "$OVSDB_SERVER_PRIORITY" $strace_opt $valgrind_opt "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach $monitor_opt --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $remotes $ssl_opts) &
    else
        action "Starting ovsdb-server" nice -n "$OVSDB_SERVER_PRIORITY" "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach $monitor_opt --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $remotes $ssl_opts
    fi
}

function start_vswitchd {
    local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
    local logfile_file_opt=""
    local logfile_level_opt=""
    if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
        mkdir -p "$VSWITCHD_RUN_DIR"
    fi
    cd "$VSWITCHD_RUN_DIR"
    if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
        logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
        logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
    fi
    local leak_opt=""
    if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
        leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
        if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
            mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
        fi
    fi
    local strace_opt=""
    local daemonize="y"
    if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
        printf "Can not start with both VALGRIND and STRACE\n"
        exit 1
    fi
    if [ -n "$VSWITCHD_STRACE_LOG" ]; then
        strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
        daemonize="n"
    fi
    if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
        valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
        daemonize="n"
    fi
    local fake_proc_net_opt=""
    if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
        fake_proc_net_opt="--fake-proc-net"
    fi
    if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
        mlockall_opt="--mlockall"
    fi
    if [ "$daemonize" != "y" ]; then
        # Start in background and force a "success" message
        action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
        (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach $monitor_opt --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $mlockall_opt "$VSWITCHD_OVSDB_SERVER") &
    else
        action "Starting ovs-vswitchd" nice -n "$VSWITCHD_PRIORITY" "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach $monitor_opt --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $mlockall_opt "$VSWITCHD_OVSDB_SERVER"
    fi
}

function start_brcompatd {
    local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
    local logfile_file_opt=""
    local logfile_level_opt=""
    if [ -d "$BRCOMPATD_RUN_DIR" ]; then
        mkdir -p "$BRCOMPATD_RUN_DIR"
    fi
    cd "$BRCOMPATD_RUN_DIR"
    if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
        logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
        logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
    fi
    local leak_opt=""
    if [ -n "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
        leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
        if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
            mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
        fi
    fi
    local strace_opt=""
    local daemonize="y"
    if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
        printf "Can not start with both VALGRIND and STRACE\n"
        exit 1
    fi
    if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
        strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
        daemonize="n"
    fi
    if [ -n "$VALGRIND_LOG" ]; then
        valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
        daemonize="n"
    fi
    appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
    if [ "$daemonize" != "y" ]; then
        # Start in background and force a "success" message
        action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
        (nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd"--no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER") &
    else
        action "Starting ovs-brcompatd" nice -n "$BRCOMPATD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd" --no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE --detach $monitor_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER"
    fi
}

function stop_ovsdb_server {
    if [ -f "$OVSDB_SERVER_PIDFILE" ]; then
        local pid=$(cat "$OVSDB_SERVER_PIDFILE")
        action "Killing ovsdb-server ($pid)" kill -TERM $pid
        rm -f "$OVSDB_SERVER_PIDFILE"
    fi
}

function stop_vswitchd {
    if [ -f "$VSWITCHD_PIDFILE" ]; then
        local pid=$(cat "$VSWITCHD_PIDFILE")
        action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
        rm -f "$VSWITCHD_PIDFILE"
    fi
}

function stop_brcompatd {
    if [ -f "$BRCOMPATD_PIDFILE" ]; then
        local pid=$(cat "$BRCOMPATD_PIDFILE")
        action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
        rm -f "$BRCOMPATD_PIDFILE"
    fi
}

function restart_approval {
    if test ! -t 0; then
        # Don't prompt if invoked non-interactively.
        return 0
    fi
    cat <<EOF

WARNING!!!

Restarting vswitch on a live server is not guaranteed to work.  It is
provided as a convenience for those situations in which it does work.

EOF
    read -s -r -n 1 -p "Countinue with restart (y/N): " response
    printf "\n"
    case "$response" in
        y|Y)
            return 0
            ;;
        *)
            return 1
            ;;
    esac
}

function set_system_uuid {
    system_uuid=$(. /etc/xensource-inventory && echo $INSTALLATION_UUID)
    if test -n "$system_uuid"; then
        action "Configuring Open vSwitch system UUID" true
        $vsctl --no-wait set Open_vSwitch . external-ids:system-uuid="$system_uuid"
    else
        action "Configuring Open vSwitch system UUID" false
    fi
}

function start {
    if [ "$FORCE_COREFILES" = "y" ]; then
        turn_on_corefiles
    fi

    insert_modules_if_required

    # Increase the limit on the number of open file descriptors since
    # ovs-vswitchd needs a few per bridge
    ulimit -n 4096

    # Allow GRE traffic.
    iptables -I INPUT -p gre -j ACCEPT

    if [ ! -e "$OVSDB_SERVER_DB" ]; then
        warning "$OVSDB_SERVER_DB does not exist"

        action "Creating empty database $OVSDB_SERVER_DB" true
        $ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
    else
        # Upgrade or downgrade schema and compact database.
        $ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
    fi

    start_ovsdb_server
    $vsctl --no-wait init
    if [ ! -e /var/run/vswitch.booted ]; then
        touch /var/run/vswitch.booted
        for bridge in $($vsctl list-br); do
            $vsctl --no-wait del-br $bridge
        done
    fi

    set_system_uuid

    start_vswitchd
    start_brcompatd
    touch /var/lock/subsys/vswitch
}

function stop {
    stop_brcompatd
    stop_vswitchd
    stop_ovsdb_server
    rm -f /var/lock/subsys/vswitch
}

function restart {
    if restart_approval; then
        stop
        start
    fi
}

case "$1" in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        restart
        ;;
    strace-vswitchd)
        shift
        strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
        ;;
    strace-brcompatd)
        shift
        strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
        ;;
    status)
        status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server
        status -p "$VSWITCHD_PIDFILE" ovs-vswitchd
        status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd
        ;;
    version)
        /usr/sbin/ovsdb-server -V
        /usr/sbin/ovs-vswitchd -V
        /usr/sbin/ovs-brcompatd -V
        ;;
    help)
        printf "vswitch [start|stop|restart|unload|status|version]\n"
        ;;
    *)
        printf "Unknown command: $1\n"
        exit 1
        ;;
esac
Commit	Line	Data
064af421 BP	1	#!/bin/bash
	2	#
	3	# vswitch
	4	#
	5	# chkconfig: 2345 09 91
	6	# description: Manage vswitch kernel modules and user-space daemon
	7
0b1fae1b	8	# Copyright (C) 2009, 2010 Nicira Networks, Inc.
064af421	9	#
a14bc59f BP	10	# Licensed under the Apache License, Version 2.0 (the "License");
	11	# you may not use this file except in compliance with the License.
	12	# You may obtain a copy of the License at:
064af421	13	#
a14bc59f	14	# http://www.apache.org/licenses/LICENSE-2.0
064af421	15	#
a14bc59f BP	16	# Unless required by applicable law or agreed to in writing, software
	17	# distributed under the License is distributed on an "AS IS" BASIS,
	18	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	19	# See the License for the specific language governing permissions and
	20	# limitations under the License.
064af421 BP	21
	22	. /etc/init.d/functions
	23
	24	test -e /etc/sysconfig/vswitch && . /etc/sysconfig/vswitch
	25
	26	# General config variables in /etc/sysconfig/vswitch
df9fd4a5 BP	27	: ${ENABLE_BRCOMPAT:=y}
df9fd4a5 BP	28	: ${ENABLE_FAKE_PROC_NET:=y}
f3ac83df	29	: ${ENABLE_MONITOR:=y}
df9fd4a5	30	: ${FORCE_COREFILES:=y}
064af421	31
fea28b07	32	# Config variables specific to ovsdb-server
0b1fae1b	33	: ${OVSDB_SERVER_REMOTES:=punix:/var/run/ovsdb-server db:Open_vSwitch,managers}
fea28b07 JP	34	: ${OVSDB_SERVER_DB:=/etc/ovs-vswitchd.conf.db}
	35	: ${OVSDB_SERVER_PIDFILE:=/var/run/ovsdb-server.pid}
	36	: ${OVSDB_SERVER_RUN_DIR:=/var/xen/vswitch}
	37	: ${OVSDB_SERVER_PRIORITY:=-10}
	38	: ${OVSDB_SERVER_LOGFILE:=/var/log/ovsdb-server.log}
	39	: ${OVSDB_SERVER_FILE_LOGLEVEL:=INFO}
	40	: ${OVSDB_SERVER_SYSLOG_LOGLEVEL:=ERR}
	41	: ${OVSDB_SERVER_MEMLEAK_LOGFILE:=}
	42	: ${OVSDB_SERVER_STRACE_LOG:=}
	43	: ${OVSDB_SERVER_STRACE_OPT:=}
	44	: ${OVSDB_SERVER_VALGRIND_LOG:=}
	45	: ${OVSDB_SERVER_VALGRIND_OPT:=}
	46
064af421	47	# Config variables specific to ovs-vswitchd
fea28b07	48	: ${VSWITCHD_OVSDB_SERVER:=unix:/var/run/ovsdb-server}
f78b38e9	49	: ${VSWITCHD_OVSDB_SCHEMA:=/usr/share/vswitch/vswitch.ovsschema}
df9fd4a5 BP	50	: ${VSWITCHD_PIDFILE:=/var/run/ovs-vswitchd.pid}
df9fd4a5 BP	51	: ${VSWITCHD_RUN_DIR:=/var/xen/vswitch}
44cb492f	52	: ${VSWITCHD_PRIORITY:=-10}
a0bc29a5	53	: ${VSWITCHD_MLOCKALL:=yes}
df9fd4a5	54	: ${VSWITCHD_LOGFILE:=/var/log/ovs-vswitchd.log}
39fb0881 JP	55	: ${VSWITCHD_FILE_LOGLEVEL:=INFO}
39fb0881 JP	56	: ${VSWITCHD_SYSLOG_LOGLEVEL:=ERR}
df9fd4a5 BP	57	: ${VSWITCHD_MEMLEAK_LOGFILE:=}
	58	: ${VSWITCHD_STRACE_LOG:=}
	59	: ${VSWITCHD_STRACE_OPT:=}
	60	: ${VSWITCHD_VALGRIND_LOG:=}
	61	: ${VSWITCHD_VALGRIND_OPT:=}
064af421 BP	62
064af421 BP	63	# Config variables specific to ovs-brcompatd
df9fd4a5 BP	64	: ${BRCOMPATD_PIDFILE:=/var/run/ovs-brcompatd.pid}
df9fd4a5 BP	65	: ${BRCOMPATD_RUN_DIR:=/var/xen/vswitch}
44cb492f	66	: ${BRCOMPATD_PRIORITY:=-10}
df9fd4a5	67	: ${BRCOMPATD_LOGFILE:=/var/log/ovs-brcompatd.log}
39fb0881 JP	68	: ${BRCOMPATD_FILE_LOGLEVEL:=INFO}
39fb0881 JP	69	: ${BRCOMPATD_SYSLOG_LOGLEVEL:=ERR}
df9fd4a5 BP	70	: ${BRCOMPATD_MEMLEAK_LOGFILE:=}
	71	: ${BRCOMPATD_STRACE_LOG:=}
	72	: ${BRCOMPATD_STRACE_OPT:=}
	73	: ${BRCOMPATD_VALGRIND_LOG:=}
	74	: ${BRCOMPATD_VALGRIND_OPT:=}
064af421 BP	75
064af421 BP	76	# Full paths to executables & modules
fea28b07 JP	77	ovsdb_server="/usr/sbin/ovsdb-server"
fea28b07 JP	78	ovsdb_tool="/usr/bin/ovsdb-tool"
eaa3c7e8 BP	79	vswitchd="/usr/sbin/ovs-vswitchd"
	80	brcompatd="/usr/sbin/ovs-brcompatd"
	81	dpctl="/usr/bin/ovs-dpctl"
	82	appctl="/usr/bin/ovs-appctl"
	83	ofctl="/usr/bin/ovs-ofctl"
e404c41f	84	vsctl="/usr/bin/ovs-vsctl"
064af421	85
612f6d49	86	if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
064af421 BP	87	if [ "$ENABLE_BRCOMPAT" != "y" ]; then
	88	warning "FAKE_PROC_NET required BRCOMPAT which was disabled. Force enabling."
	89	ENABLE_BRCOMPAT="y"
	90	fi
	91	fi
	92
f3ac83df BP	93	if test "$ENABLE_MONITOR" = "y"; then
	94	monitor_opt="--monitor"
	95	else
	96	monitor_opt=
	97	fi
	98
064af421 BP	99	function dp_list {
	100	"$dpctl" show \| grep '^dp[0-9]\+:' \| cut -d':' -f 1
	101	}
	102
	103	function turn_on_corefiles {
16cd277e	104	ulimit -Sc 67108864
064af421 BP	105	}
	106
	107	function remove_all_dp {
	108	for dp in $(dp_list); do
	109	action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
	110	done
	111	}
	112
	113	function insert_modules_if_required {
	114	if ! lsmod \| grep -q "openvswitch_mod"; then
	115	action "Inserting llc module" modprobe llc
6867bc36	116	action "Inserting openvswitch module" modprobe openvswitch_mod
064af421 BP	117	fi
064af421 BP	118	if [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod \| grep -q "brcompat_mod"; then
6867bc36	119	action "Inserting brcompat module" modprobe brcompat_mod
064af421	120	fi
c3e3d2a1 JG	121	if [ -f "/lib/modules/`uname -r`/kernel/net/vswitch/ip_gre_mod.ko" ] && ! lsmod \| grep -q "ip_gre_mod"; then
	122	action "Inserting ip_gre module" modprobe ip_gre_mod
	123	fi
064af421 BP	124	}
	125
	126	function remove_modules {
	127	if lsmod \| grep -q "brcompat_mod"; then
	128	action "Removing brcompat module" rmmod brcompat_mod.ko
	129	fi
	130	if lsmod \| grep -q "openvswitch_mod"; then
	131	action "Removing openvswitch module" rmmod openvswitch_mod.ko
	132	fi
5c8ef29c JP	133	if lsmod \| grep -q "ip_gre_mod"; then
	134	action "Removing ip_gre module" rmmod ip_gre_mod.ko
	135	fi
064af421 BP	136	}
064af421 BP	137
fea28b07 JP	138	function start_ovsdb_server {
	139	local syslog_opt="-vANY:SYSLOG:${OVSDB_SERVER_SYSLOG_LOGLEVEL}"
	140	local logfile_file_opt=""
	141	local logfile_level_opt=""
	142	if [ ! -d "$OVSDB_SERVER_RUN_DIR" ]; then
	143	mkdir -p "$OVSDB_SERVER_RUN_DIR"
	144	fi
	145	cd "$OVSDB_SERVER_RUN_DIR"
0b1fae1b	146	local remotes=
50866f3f BP	147	for remote in $OVSDB_SERVER_REMOTES; do
50866f3f BP	148	remotes="$remotes --remote=$remote"
0b1fae1b	149	done
fea28b07 JP	150	if [ -n "$OVSDB_SERVER_FILE_LOGLEVEL" ]; then
	151	logfile_level_opt="-vANY:FILE:${OVSDB_SERVER_FILE_LOGLEVEL}"
	152	logfile_file_opt="--log-file=$OVSDB_SERVER_LOGFILE"
	153	fi
	154	local leak_opt=""
	155	if [ -n "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
	156	leak_opt="--check-leaks=$OVSDB_SERVER_MEMLEAK_LOGFILE"
	157	if [ -e "$OVSDB_SERVER_MEMLEAK_LOGFILE" ]; then
	158	mv "$OVSDB_SERVER_MEMLEAK_LOGFILE" "$OVSDB_SERVER_MEMLEAK_LOGFILE.prev"
	159	fi
	160	fi
	161	local strace_opt=""
	162	local daemonize="y"
	163	if [ -n "$OVSDB_SERVER_STRACE_LOG" ] && [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
	164	printf "Can not start with both VALGRIND and STRACE\n"
	165	exit 1
	166	fi
	167	if [ -n "$OVSDB_SERVER_STRACE_LOG" ]; then
	168	strace_opt="strace -o $OVSDB_SERVER_STRACE_LOG $OVSDB_SERVER_STRACE_OPT"
	169	daemonize="n"
	170	fi
	171	if [ -n "$OVSDB_SERVER_VALGRIND_LOG" ]; then
	172	valgrind_opt="valgrind --log-file=$OVSDB_SERVER_VALGRIND_LOG $OVSDB_SERVER_VALGRIND_OPT"
	173	daemonize="n"
	174	fi
78876719	175	ssl_opts="--private-key=db:SSL,private_key --certificate=db:SSL,certificate --bootstrap-ca-cert=db:SSL,ca_cert"
fea28b07 JP	176	if [ "$daemonize" != "y" ]; then
	177	# Start in background and force a "success" message
	178	action "Starting ovsdb_server ($strace_opt$valgrind_opt)" true
78876719	179	(nice -n "$OVSDB_SERVER_PRIORITY" $strace_opt $valgrind_opt "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach $monitor_opt --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $remotes $ssl_opts) &
fea28b07	180	else
78876719	181	action "Starting ovsdb-server" nice -n "$OVSDB_SERVER_PRIORITY" "$ovsdb_server" "$OVSDB_SERVER_DB" --pidfile="$OVSDB_SERVER_PIDFILE" --detach $monitor_opt --no-chdir -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $remotes $ssl_opts
fea28b07 JP	182	fi
	183	}
	184
064af421 BP	185	function start_vswitchd {
	186	local syslog_opt="-vANY:SYSLOG:${VSWITCHD_SYSLOG_LOGLEVEL}"
	187	local logfile_file_opt=""
	188	local logfile_level_opt=""
16cd277e JP	189	if [ ! -d "$VSWITCHD_RUN_DIR" ]; then
	190	mkdir -p "$VSWITCHD_RUN_DIR"
	191	fi
	192	cd "$VSWITCHD_RUN_DIR"
064af421 BP	193	if [ -n "$VSWITCHD_FILE_LOGLEVEL" ]; then
	194	logfile_level_opt="-vANY:FILE:${VSWITCHD_FILE_LOGLEVEL}"
	195	logfile_file_opt="--log-file=$VSWITCHD_LOGFILE"
	196	fi
	197	local leak_opt=""
	198	if [ -n "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
	199	leak_opt="--check-leaks=$VSWITCHD_MEMLEAK_LOGFILE"
	200	if [ -e "$VSWITCHD_MEMLEAK_LOGFILE" ]; then
	201	mv "$VSWITCHD_MEMLEAK_LOGFILE" "$VSWITCHD_MEMLEAK_LOGFILE.prev"
	202	fi
	203	fi
	204	local strace_opt=""
	205	local daemonize="y"
	206	if [ -n "$VSWITCHD_STRACE_LOG" ] && [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
	207	printf "Can not start with both VALGRIND and STRACE\n"
	208	exit 1
	209	fi
	210	if [ -n "$VSWITCHD_STRACE_LOG" ]; then
	211	strace_opt="strace -o $VSWITCHD_STRACE_LOG $VSWITCHD_STRACE_OPT"
	212	daemonize="n"
	213	fi
	214	if [ -n "$VSWITCHD_VALGRIND_LOG" ]; then
	215	valgrind_opt="valgrind --log-file=$VSWITCHD_VALGRIND_LOG $VSWITCHD_VALGRIND_OPT"
	216	daemonize="n"
	217	fi
	218	local fake_proc_net_opt=""
612f6d49	219	if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
064af421 BP	220	fake_proc_net_opt="--fake-proc-net"
064af421 BP	221	fi
86a06318 BP	222	if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
	223	mlockall_opt="--mlockall"
	224	fi
064af421 BP	225	if [ "$daemonize" != "y" ]; then
	226	# Start in background and force a "success" message
	227	action "Starting ovs-vswitchd ($strace_opt$valgrind_opt)" true
a0bc29a5	228	(nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach $monitor_opt --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $mlockall_opt "$VSWITCHD_OVSDB_SERVER") &
064af421	229	else
a0bc29a5	230	action "Starting ovs-vswitchd" nice -n "$VSWITCHD_PRIORITY" "$vswitchd" --pidfile="$VSWITCHD_PIDFILE" --detach $monitor_opt --no-chdir $fake_proc_net_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt $mlockall_opt "$VSWITCHD_OVSDB_SERVER"
064af421 BP	231	fi
	232	}
	233
	234	function start_brcompatd {
	235	local syslog_opt="-vANY:SYSLOG:${BRCOMPATD_SYSLOG_LOGLEVEL}"
	236	local logfile_file_opt=""
	237	local logfile_level_opt=""
16cd277e JP	238	if [ -d "$BRCOMPATD_RUN_DIR" ]; then
	239	mkdir -p "$BRCOMPATD_RUN_DIR"
	240	fi
	241	cd "$BRCOMPATD_RUN_DIR"
d4016a58	242	if [ -n "$BRCOMPATD_FILE_LOGLEVEL" ]; then
064af421 BP	243	logfile_level_opt="-vANY:FILE:${BRCOMPATD_FILE_LOGLEVEL}"
	244	logfile_file_opt="--log-file=$BRCOMPATD_LOGFILE"
	245	fi
	246	local leak_opt=""
9a2e1953	247	if [ -n "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
064af421 BP	248	leak_opt="--check-leaks=$BRCOMPATD_MEMLEAK_LOGFILE"
	249	if [ -e "$BRCOMPATD_MEMLEAK_LOGFILE" ]; then
	250	mv "$BRCOMPATD_MEMLEAK_LOGFILE" "$BRCOMPATD_MEMLEAK_LOGFILE.prev"
	251	fi
	252	fi
	253	local strace_opt=""
	254	local daemonize="y"
	255	if [ -n "$BRCOMPATD_STRACE_LOG" ] && [ -n "$BRCOMPATD_VALGRIND_LOG" ]; then
	256	printf "Can not start with both VALGRIND and STRACE\n"
	257	exit 1
	258	fi
	259	if [ -n "$BRCOMPATD_STRACE_LOG" ]; then
	260	strace_opt="strace -o $BRCOMPATD_STRACE_LOG $BRCOMPATD_STRACE_OPT"
	261	daemonize="n"
	262	fi
	263	if [ -n "$VALGRIND_LOG" ]; then
	264	valgrind_opt="valgrind --log-file=$BRCOMPATD_VALGRIND_LOG $BRCOMPATD_VALGRIND_OPT"
	265	daemonize="n"
	266	fi
3fbe1d30	267	appctl_cmd="$appctl --target=/var/run/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s"
064af421 BP	268	if [ "$daemonize" != "y" ]; then
	269	# Start in background and force a "success" message
	270	action "Starting ovs-brcompatd ($strace_opt$valgrind_opt)" true
fea28b07	271	(nice -n "$VSWITCHD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd"--no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER") &
064af421	272	else
f3ac83df	273	action "Starting ovs-brcompatd" nice -n "$BRCOMPATD_PRIORITY" $strace_opt $valgrind_opt "$brcompatd" --no-chdir --appctl-command="$appctl_cmd" --pidfile=$BRCOMPATD_PIDFILE --detach $monitor_opt -vANY:CONSOLE:EMER $syslog_opt $logfile_level_opt $logfile_file_opt $leak_opt "$VSWITCHD_OVSDB_SERVER"
fea28b07 JP	274	fi
	275	}
	276
	277	function stop_ovsdb_server {
	278	if [ -f "$OVSDB_SERVER_PIDFILE" ]; then
	279	local pid=$(cat "$OVSDB_SERVER_PIDFILE")
	280	action "Killing ovsdb-server ($pid)" kill -TERM $pid
	281	rm -f "$OVSDB_SERVER_PIDFILE"
064af421 BP	282	fi
	283	}
	284
	285	function stop_vswitchd {
	286	if [ -f "$VSWITCHD_PIDFILE" ]; then
	287	local pid=$(cat "$VSWITCHD_PIDFILE")
	288	action "Killing ovs-vswitchd ($pid)" kill -TERM $pid
	289	rm -f "$VSWITCHD_PIDFILE"
	290	fi
	291	}
	292
	293	function stop_brcompatd {
	294	if [ -f "$BRCOMPATD_PIDFILE" ]; then
	295	local pid=$(cat "$BRCOMPATD_PIDFILE")
	296	action "Killing ovs-brcompatd ($pid)" kill -TERM $pid
	297	rm -f "$BRCOMPATD_PIDFILE"
	298	fi
	299	}
	300
	301	function restart_approval {
	302	if test ! -t 0; then
	303	# Don't prompt if invoked non-interactively.
	304	return 0
	305	fi
	306	cat <<EOF
	307
	308	WARNING!!!
	309
	310	Restarting vswitch on a live server is not guaranteed to work. It is
	311	provided as a convenience for those situations in which it does work.
064af421 BP	312
	313	EOF
	314	read -s -r -n 1 -p "Countinue with restart (y/N): " response
	315	printf "\n"
	316	case "$response" in
	317	y\|Y)
	318	return 0
	319	;;
	320	*)
	321	return 1
	322	;;
	323	esac
	324	}
	325
f5e7ed5d JP	326	function set_system_uuid {
	327	system_uuid=$(. /etc/xensource-inventory && echo $INSTALLATION_UUID)
	328	if test -n "$system_uuid"; then
	329	action "Configuring Open vSwitch system UUID" true
883b1061	330	$vsctl --no-wait set Open_vSwitch . external-ids:system-uuid="$system_uuid"
f5e7ed5d JP	331	else
	332	action "Configuring Open vSwitch system UUID" false
	333	fi
	334	}
	335
064af421	336	function start {
ae825abb JP	337	if [ "$FORCE_COREFILES" = "y" ]; then
	338	turn_on_corefiles
	339	fi
	340
064af421	341	insert_modules_if_required
63920cb9 JP	342
	343	# Increase the limit on the number of open file descriptors since
	344	# ovs-vswitchd needs a few per bridge
	345	ulimit -n 4096
	346
1e50dd6c JG	347	# Allow GRE traffic.
	348	iptables -I INPUT -p gre -j ACCEPT
	349
fea28b07 JP	350	if [ ! -e "$OVSDB_SERVER_DB" ]; then
fea28b07 JP	351	warning "$OVSDB_SERVER_DB does not exist"
f72e2b36 JP	352
f72e2b36 JP	353	action "Creating empty database $OVSDB_SERVER_DB" true
ef5e2fe5	354	$ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
23817ac7 BP	355	else
	356	# Upgrade or downgrade schema and compact database.
	357	$ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
b1bdd85c BP	358	fi
b1bdd85c BP	359
fea28b07	360	start_ovsdb_server
524555d1	361	$vsctl --no-wait init
e404c41f BP	362	if [ ! -e /var/run/vswitch.booted ]; then
	363	touch /var/run/vswitch.booted
	364	for bridge in $($vsctl list-br); do
	365	$vsctl --no-wait del-br $bridge
	366	done
	367	fi
	368
f5e7ed5d JP	369	set_system_uuid
f5e7ed5d JP	370
064af421 BP	371	start_vswitchd
064af421 BP	372	start_brcompatd
3f2c96d6	373	touch /var/lock/subsys/vswitch
064af421 BP	374	}
	375
	376	function stop {
	377	stop_brcompatd
	378	stop_vswitchd
fea28b07	379	stop_ovsdb_server
3f2c96d6	380	rm -f /var/lock/subsys/vswitch
064af421 BP	381	}
	382
	383	function restart {
	384	if restart_approval; then
	385	stop
	386	start
	387	fi
	388	}
	389
	390	case "$1" in
	391	start)
064af421 BP	392	start
	393	;;
	394	stop)
	395	stop
	396	;;
	397	restart)
	398	restart
	399	;;
064af421 BP	400	strace-vswitchd)
	401	shift
	402	strace -p $(cat "$VSWITCHD_PIDFILE") "$@"
	403	;;
	404	strace-brcompatd)
	405	shift
	406	strace -p $(cat "$BRCOMPATD_PIDFILE") "$@"
	407	;;
	408	status)
a4af0040	409	status -p "$OVSDB_SERVER_PIDFILE" ovsdb-server
e4bfff8f BP	410	status -p "$VSWITCHD_PIDFILE" ovs-vswitchd
e4bfff8f BP	411	status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd
064af421 BP	412	;;
064af421 BP	413	version)
70feacd5	414	/usr/sbin/ovsdb-server -V
eaa3c7e8 BP	415	/usr/sbin/ovs-vswitchd -V
eaa3c7e8 BP	416	/usr/sbin/ovs-brcompatd -V
064af421 BP	417	;;
064af421 BP	418	help)
f72e2b36	419	printf "vswitch [start\|stop\|restart\|unload\|status\|version]\n"
064af421 BP	420	;;
	421	*)
	422	printf "Unknown command: $1\n"
	423	exit 1
	424	;;
	425	esac