# chkconfig: 2345 09 91
# description: Manage Open vSwitch kernel modules and user-space daemons
-# Copyright (C) 2009, 2010 Nicira Networks, Inc.
+# Copyright (C) 2009, 2010, 2011 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.
# 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.
+### BEGIN INIT INFO
+# Provides: openvswitch-switch
+# Required-Start:
+# Required-Stop:
+# Default-Start: 2 3 4 5
+# Default-Stop: 0 1 6
+# Short-Description: Open vSwitch switch
+### END INIT INFO
+
+# source function library
+if [ -f /etc/init.d/functions ]; then
+ . /etc/init.d/functions
+elif [ -f /etc/rc.d/init.d/functions ]; then
+ . /etc/rc.d/init.d/functions
+elif [ -f /lib/lsb/init-functions ]; then
+ . /lib/lsb/init-functions
+else
+ echo "$0: missing LSB shell function library" >&2
+ exit 1
+fi
-. /etc/init.d/functions
+if type action >/dev/null 2>&1; then
+ :
+else
+ # SUSE lacks action
+ action() {
+ STRING=$1
+ shift
+ "$@"
+ rc=$?
+ if [ $rc -eq 0 ] ; then
+ log_success_msg $"$STRING "
+ else
+ log_failure_msg $"$STRING "
+ fi
+ return $rc
+ }
+fi
-. /etc/xensource-inventory
+test -e /etc/xensource-inventory && . /etc/xensource-inventory
test -e /etc/sysconfig/openvswitch && . /etc/sysconfig/openvswitch
-
-# General config variables in /etc/sysconfig/openvswitch
-if test "$PRODUCT_VERSION" = "5.5.0"; then
- # XenServer 5.5.0 needs ovs-brcompatd and /proc/net simulation.
- : ${ENABLE_BRCOMPAT:=y}
- : ${ENABLE_FAKE_PROC_NET:=y}
-else
- # Later versions don't need them.
- : ${ENABLE_BRCOMPAT:=n}
- : ${ENABLE_FAKE_PROC_NET:=n}
+if test -e /etc/xensource/network.conf; then
+ NETWORK_MODE=$(cat /etc/xensource/network.conf)
fi
+
+case ${NETWORK_MODE:=openvswitch} in
+ vswitch|openvswitch)
+ ;;
+ bridge)
+ exit 0
+ ;;
+ *)
+ echo "Open vSwitch disabled (/etc/xensource/network.conf is invalid)" >&2
+ exit 0
+ ;;
+esac
+
: ${ENABLE_MONITOR:=y}
: ${FORCE_COREFILES:=y}
# Config variables specific to ovsdb-server
-: ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,managers}
+: ${OVSDB_SERVER_REMOTES:=punix:/var/run/openvswitch/db.sock db:Open_vSwitch,manager_options}
: ${OVSDB_SERVER_DB:=/etc/openvswitch/conf.db}
: ${OVSDB_SERVER_PIDFILE:=/var/run/openvswitch/ovsdb-server.pid}
: ${OVSDB_SERVER_RUN_DIR:=/var/xen/openvswitch}
: ${VSWITCHD_VALGRIND_LOG:=}
: ${VSWITCHD_VALGRIND_OPT:=}
-# Config variables specific to ovs-brcompatd
-: ${BRCOMPATD_PIDFILE:=/var/run/openvswitch/ovs-brcompatd.pid}
-: ${BRCOMPATD_RUN_DIR:=/var/xen/openvswitch}
-: ${BRCOMPATD_PRIORITY:=-10}
-: ${BRCOMPATD_LOGFILE:=/var/log/openvswitch/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:=}
-
-# Config variables specific to ovs-xenserverd
-: ${XENSERVERD_PIDFILE:=/var/run/openvswitch/ovs-xenserverd.pid}
-: ${XENSERVERD_RUN_DIR:=/var/xen/openvswitch}
-: ${XENSERVERD_PRIORITY:=}
-: ${XENSERVERD_LOGFILE:=}
-: ${XENSERVERD_FILE_LOGLEVEL:=}
-: ${XENSERVERD_SYSLOG_LOGLEVEL:=}
-: ${XENSERVERD_MEMLEAK_LOGFILE:=}
-: ${XENSERVERD_STRACE_LOG:=}
-: ${XENSERVERD_STRACE_OPT:=}
-: ${XENSERVERD_VALGRIND_LOG:=}
-: ${XENSERVERD_VALGRIND_OPT:=}
+: ${OVS_XAPI_SYNC_PIDFILE:=/var/run/openvswitch/ovs-xapi-sync.pid}
# Full paths to executables & modules
ovsdb_server="/usr/sbin/ovsdb-server"
ovsdb_tool="/usr/bin/ovsdb-tool"
vswitchd="/usr/sbin/ovs-vswitchd"
-brcompatd="/usr/sbin/ovs-brcompatd"
-xenserverd="/usr/sbin/ovs-xenserverd"
dpctl="/usr/bin/ovs-dpctl"
appctl="/usr/bin/ovs-appctl"
ofctl="/usr/bin/ovs-ofctl"
vsctl="/usr/bin/ovs-vsctl"
-if [ "$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 hup_monitor_external_ids {
+ if [ -e /var/run/openvswitch/ovs-xapi-sync.pid ]; then
+ action "Configuring Open vSwitch external IDs" kill -HUP `cat /var/run/openvswitch/ovs-xapi-sync.pid`
+ fi
}
function turn_on_corefiles {
}
function remove_all_dp {
- for dp in $(dp_list); do
+ for dp in $($dpctl dump-dps); do
action "Removing datapath: $dp" "$dpctl" del-dp "$dp"
done
}
function insert_modules_if_required {
+ if test -e /sys/module/bridge; then
+ bridges=`echo /sys/class/net/*/bridge | sed 's,/sys/class/net/,,g;s,/bridge,,g'`
+ if test "$bridges" != "*"; then
+ log_warning_msg "not removing bridge module because bridges exist ($bridges)"
+ else
+ action "removing bridge module" rmmod bridge
+ fi
+ fi
if ! lsmod | grep -q "openvswitch_mod"; then
action "Inserting llc module" modprobe llc
action "Inserting openvswitch module" modprobe openvswitch_mod
fi
- if [ "$ENABLE_BRCOMPAT" = "y" ] && [ -n "$BRCOMPATD_PIDFILE" ] && ! lsmod | grep -q "brcompat_mod"; then
- action "Inserting brcompat module" modprobe brcompat_mod
- fi
- if [ -f "/lib/modules/`uname -r`/kernel/extra/openvswitch/veth_mod.ko" ] && ! lsmod | grep -q "veth_mod"; then
- action "Inserting veth module" modprobe veth_mod
- fi
}
function remove_modules {
- if lsmod | grep -q "brcompat_mod"; then
- action "Removing brcompat module" rmmod brcompat_mod.ko
- fi
if lsmod | grep -q "openvswitch_mod"; then
action "Removing openvswitch module" rmmod openvswitch_mod.ko
fi
else
local mode=production
eval local pidfile=\$${DAEMON}_PIDFILE
- install -d -m 755 -o root -g root `dirname $VSWITCHD_PIDFILE`
+ install -d -m 755 -o root -g root `dirname $pidfile`
set -- "$@" --pidfile="$pidfile" --detach $monitor_opt --no-chdir
fi
action "Starting `basename $BINARY`" "$@"
else
# Start in background and force a "success" message
- action "Starting ovs-vswitchd with $mode debugging" true
+ action "Starting `basename $BINARY` with $mode debugging" true
("$@") &
fi
}
}
function start_vswitchd {
- local fake_proc_net_opt=
- if [ "$ENABLE_FAKE_PROC_NET" = "y" ]; then
- fake_proc_net_opt="--fake-proc-net"
- fi
-
local mlockall_opt=
if [ "$VSWITCHD_MLOCKALL" != "no" ]; then
mlockall_opt="--mlockall"
fi
- start_daemon VSWITCHD "$vswitchd" $fake_proc_net_opt $mlockall_opt \
- "$VSWITCHD_OVSDB_SERVER"
+ start_daemon VSWITCHD "$vswitchd" $mlockall_opt "$VSWITCHD_OVSDB_SERVER"
}
-function start_brcompatd {
- start_daemon BRCOMPATD "$brcompatd" \
- --appctl-command="$appctl --target=/var/run/openvswitch/ovs-vswitchd.\`cat $VSWITCHD_PIDFILE\`.ctl %s" \
- "$VSWITCHD_OVSDB_SERVER"
-}
-
-function start_xenserverd {
- if [ ! -d "$XENSERVERD_RUN_DIR" ]; then
- install -d -m 755 -o root -g root "$XENSERVERD_RUN_DIR"
- fi
- cd "$XENSERVERD_RUN_DIR"
-
- install -d -m 755 -o root -g root `dirname $XENSERVERD_PIDFILE`
- action "Starting ovs-xenserverd" "$xenserverd" --no-chdir --pidfile=$XENSERVERD_PIDFILE --detach $monitor_opt -vANY:CONSOLE:EMER
-}
-
function stop_daemon {
local DAEMON=$1
local BINARY=$2
if test -f "$pidfile"; then
local pid=$(cat "$pidfile")
action "Killing `basename $BINARY` ($pid)" kill $pid
+ for delay in .1 .25 .65 1 1 1 1; do
+ if kill -0 $pid >/dev/null 2>&1; then
+ sleep $delay
+ else
+ break
+ fi
+ done
rm -f "$pidfile"
fi
}
esac
}
-function set_system_uuid {
- if test -n "$INSTALLATION_UUID"; then
- action "Configuring Open vSwitch system UUID" true
- $vsctl --no-wait set Open_vSwitch . external-ids:system-uuid="$INSTALLATION_UUID"
+function set_system_ids {
+ if [ -f /etc/xensource-inventory ]; then
+ OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
+ action "Configuring Open vSwitch system IDs" true
+ $vsctl --no-wait --timeout=5 set Open_vSwitch . \
+ ovs-version="$OVS_VERSION" \
+ system-type="$PRODUCT_BRAND" \
+ system-version="$PRODUCT_VERSION-$BUILD_NUMBER" \
+ external-ids:system-id="$INSTALLATION_UUID" \
+ external-ids:xs-system-uuid="$INSTALLATION_UUID"
else
- action "Configuring Open vSwitch system UUID" false
+ if test -f /etc/openvswitch/install_uuid.conf; then
+ . /etc/openvswitch/install_uuid.conf
+ elif INSTALLATION_UUID=`uuidgen`; then
+ echo "INSTALLATION_UUID=$INSTALLATION_UUID" > /etc/openvswitch/install_uuid.conf
+ else
+ log_failure_msg "missing uuidgen, could not generate system UUID"
+ return
+ fi
+ $vsctl --no-wait --timeout=5 set Open_vSwitch . \
+ external-ids:system-id="$INSTALLATION_UUID"
+ action "Configuring Open vSwitch system IDs" true
fi
}
# Allow GRE traffic.
iptables -I INPUT -p gre -j ACCEPT
+ schemaver=`$ovsdb_tool schema-version "$VSWITCHD_OVSDB_SCHEMA"`
if [ ! -e "$OVSDB_SERVER_DB" ]; then
warning "$OVSDB_SERVER_DB does not exist"
install -d -m 755 -o root -g root `dirname $OVSDB_SERVER_DB`
action "Creating empty database $OVSDB_SERVER_DB" true
$ovsdb_tool -vANY:console:emer create "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
- else
- # Upgrade or downgrade schema and compact database.
+ elif test "X`$ovsdb_tool needs-conversion "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"`" != Xno; then
+ # Back up the old version.
+ version=`$ovsdb_tool db-version "$OVSDB_SERVER_DB"`
+ cksum=`$ovsdb_tool db-cksum "$OVSDB_SERVER_DB" | awk '{print $1}'`
+ cp "$OVSDB_SERVER_DB" "$OVSDB_SERVER_DB.backup$version-$cksum"
+
+ # Compact database. This is important if the old schema did not enable
+ # garbage collection (i.e. if it did not have any tables with "isRoot":
+ # true) but the new schema does. In that situation the old database
+ # may contain a transaction that creates a record followed by a
+ # transaction that creates the first use of the record. Replaying that
+ # series of transactions against the new database schema (as "convert"
+ # does) would cause the record to be dropped by the first transaction,
+ # then the second transaction would cause a referential integrity
+ # failure (for a strong reference).
+ $ovsdb_tool -vANY:console:emer compact "$OVSDB_SERVER_DB"
+
+ # Upgrade or downgrade schema.
$ovsdb_tool -vANY:console:emer convert "$OVSDB_SERVER_DB" "$VSWITCHD_OVSDB_SCHEMA"
fi
start_ovsdb_server
- $vsctl --no-wait init
+ $vsctl --no-wait --timeout=5 init -- set Open_vSwitch . db-version="$schemaver"
if [ ! -e /var/run/openvswitch.booted ]; then
touch /var/run/openvswitch.booted
for bridge in $($vsctl list-br); do
- $vsctl --no-wait del-br $bridge
+ $vsctl --no-wait --timeout=5 del-br $bridge
done
fi
- set_system_uuid
+ set_system_ids
start_vswitchd
- if [ "${ENABLE_BRCOMPAT}" = "y" ] ; then
- start_brcompatd
+
+ if [ -f /etc/xensource-inventory ]; then
+ # Start daemon to monitor external ids
+ PYTHONPATH=/usr/share/openvswitch/python \
+ /usr/share/openvswitch/scripts/ovs-xapi-sync \
+ --pidfile --detach $monitor_opt "$VSWITCHD_OVSDB_SERVER"
fi
- start_xenserverd
+
touch /var/lock/subsys/openvswitch
}
function stop {
- stop_daemon XENSERVERD "$xenserverd"
- stop_daemon BRCOMPATD "$brcompatd"
stop_daemon VSWITCHD "$vswitchd"
stop_daemon OVSDB_SERVER "$ovsdb_server"
+ stop_daemon OVS_XAPI_SYNC ovs-xapi-sync
rm -f /var/lock/subsys/openvswitch
}
fi
}
+function internal_interfaces {
+ # Outputs a list of internal interfaces:
+ #
+ # - There is an internal interface for every bridge, whether it has
+ # an Interface record or not and whether the Interface record's
+ # 'type' is properly set.
+ #
+ # - There is an internal interface for each Interface record whose
+ # 'type' is 'internal'.
+ #
+ # But ignore interfaces that don't really exist.
+ for d in `(ovs-vsctl --bare \
+ -- --columns=name find Interface type=internal \
+ -- list-br) | sort -u`
+ do
+ if test -e "/sys/class/net/$d"; then
+ printf "%s " "$d"
+ fi
+ done
+}
+
+function force_reload_kmod {
+ ifaces=$(internal_interfaces)
+ action "Configured internal interfaces: $ifaces" true
+
+ stop
+
+ script=$(mktemp)
+ action "Save interface configuration to $script" true
+ if ! /usr/share/openvswitch/scripts/ovs-save $ifaces > $script; then
+ warning "Failed to save configuration, not replacing kernel module"
+ start
+ exit 1
+ fi
+ chmod +x $script
+
+ action "Destroy datapaths" remove_all_dp
+
+ remove_modules
+
+ start
+
+ action "Restore interface configuration from $script" $script
+}
+
case "$1" in
start)
start
restart)
restart
;;
+ reload|force-reload)
+ # Nothing to do to ovs-vswitchd and ovsdb-server as they keep their
+ # configuration up-to-date all the time. HUP ovs-xapi-sync so it
+ # re-runs.
+ hup_monitor_external_ids
+ ;;
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 "$VSWITCHD_PIDFILE" ovs-vswitchd &&
- (test "$ENABLE_BRCOMPAT" != "y" ||
- status -p "$BRCOMPATD_PIDFILE" ovs-brcompatd) &&
- status -p "$XENSERVERD_PIDFILE" ovs-xenserverd
+ status -p "$VSWITCHD_PIDFILE" ovs-vswitchd
;;
version)
/usr/sbin/ovsdb-server -V
/usr/sbin/ovs-vswitchd -V
- /usr/sbin/ovs-brcompatd -V
- /usr/sbin/ovs-xenserverd -V
+ ;;
+ force-reload-kmod)
+ force_reload_kmod
;;
help)
- printf "openvswitch [start|stop|restart|unload|status|version]\n"
+ printf "openvswitch [start|stop|restart|reload|force-reload|status|version]\n"
;;
*)
printf "Unknown command: $1\n"