#! /bin/sh
-# Copyright (C) 2009, 2010, 2011, 2012 Nicira, Inc.
+# Copyright (C) 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
action "Inserting openvswitch module" modprobe openvswitch
}
-insert_brcompat_mod_if_required () {
- if test -e /sys/module/bridge; then
- log_warning_msg "bridge module is loaded, not loading brcompat"
- return 1
- fi
- test -e /sys/module/brcompat -o -e /sys/module/brcompat_mod && return 0
- action "Inserting brcompat module" modprobe brcompat
-}
-
insert_mod_if_required () {
insert_openvswitch_mod_if_required || return 1
- if test X"$BRCOMPAT" = Xyes; then
- if insert_brcompat_mod_if_required; then
- :
- else
- log_warning_msg "could not load brcompat module, disabling bridge compatibility"
- BRCOMPAT=no
- fi
- fi
}
ovs_vsctl () {
- ovs-vsctl --no-wait --timeout=5 "$@"
+ ovs-vsctl --no-wait "$@"
}
ovsdb_tool () {
check_force_cores () {
if test X"$FORCE_COREFILES" = Xyes; then
- ulimit -Sc 67108864
+ ulimit -c 67108864
fi
}
log_success_msg "ovs-vswitchd is already running"
else
# Increase the limit on the number of open file descriptors.
- # ovs-vswitchd needs 16 per datapath, plus a few extra, so this
- # should allow for 256 (or more) bridges.
+ # On Linux, ovs-vswitchd needs about one file descriptor per
+ # switch port, so this allows a very large number of switch
+ # ports.
ulimit -n 5000
# Start ovs-vswitchd.
fi
start_daemon "$OVS_VSWITCHD_PRIORITY" "$OVS_VSWITCHD_WRAPPER" "$@"
fi
-
- if daemon_is_running ovs-brcompatd; then
- log_success_msg "ovs-brcompatd is already running"
- elif test X"$BRCOMPAT" = Xyes; then
- set ovs-brcompatd
- set "$@" -vconsole:emer -vsyslog:err -vfile:info
- start_daemon "$OVS_BRCOMPATD_PRIORITY" "$OVS_BRCOMPATD_WRAPPER" "$@"
- fi
}
## ---- ##
}
stop_forwarding () {
- stop_daemon ovs-brcompatd
stop_daemon ovs-vswitchd
}
done
}
-save_flows () {
- if set X `ovs_vsctl -- --real list-br`; then
- shift
- if "$datadir/scripts/ovs-save" save-flows "$@" > "$script_flows"; then
- chmod +x "$script_flows"
- return 0
- fi
+ovs_save () {
+ bridges=`ovs_vsctl -- --real list-br`
+ if [ -n "${bridges}" ] && \
+ "$datadir/scripts/ovs-save" "$1" ${bridges} > "$2"; then
+ chmod +x "$2"
+ return 0
fi
- script_flows=
- return 1
+ [ -z "${bridges}" ] && return 0
+}
+
+save_ofports_if_required () {
+ # Save ofports if we are upgrading from a pre-1.10 branch.
+ case `ovs-appctl version | sed 1q` in
+ "ovs-vswitchd (Open vSwitch) 1."[0-9].*)
+ action "Saving ofport values" ovs_save save-ofports \
+ "${script_ofports}"
+ ;;
+ esac
}
save_interfaces () {
> "${script_interfaces}"
}
+restore_ofports () {
+ [ -x "${script_ofports}" ] && \
+ action "Restoring ofport values" "${script_ofports}"
+}
+
restore_flows () {
- [ -n "${script_flows}" ] && \
+ [ -x "${script_flows}" ] && \
action "Restoring saved flows" "${script_flows}"
}
+restore_interfaces () {
+ [ ! -x "${script_interfaces}" ] && return 0
+ action "Restoring interface configuration" "${script_interfaces}"
+ rc=$?
+ if test $rc = 0; then
+ level=debug
+ else
+ level=err
+ fi
+ log="logger -p daemon.$level -t ovs-save"
+ $log "interface restore script exited with status $rc:"
+ $log -f "$script_interfaces"
+}
+
+init_restore_scripts () {
+ script_interfaces=`mktemp`
+ script_flows=`mktemp`
+ script_ofports=`mktemp`
+ trap 'rm -f "${script_interfaces}" "${script_flows}" "${script_ofports}"' 0
+}
+
force_reload_kmod () {
ifaces=`internal_interfaces`
action "Detected internal interfaces: $ifaces" true
- script_interfaces=`mktemp`
- script_flows=`mktemp`
- trap 'rm -f "${script_interfaces}" "${script_flows}" ' 0
+ init_restore_scripts
+
+ action "Saving flows" ovs_save save-flows "${script_flows}"
- action "Saving flows" save_flows
+ save_ofports_if_required
# Restart the database first, since a large database may take a
# while to load, and we want to minimize forwarding disruption.
stop_ovsdb
start_ovsdb
+ # Restore of ofports should happen before vswitchd is restarted.
+ restore_ofports
+
stop_forwarding
if action "Saving interface configuration" save_interfaces; then
done
# try both old and new names in case this is post upgrade
- if test -e /sys/module/brcompat_mod; then
- action "Removing brcompat module" rmmod brcompat_mod
- elif test -e /sys/module/brcompat; then
- action "Removing brcompat module" rmmod brcompat
- fi
if test -e /sys/module/openvswitch_mod; then
action "Removing openvswitch module" rmmod openvswitch_mod
elif test -e /sys/module/openvswitch; then
restore_flows
- action "Restoring interface configuration" "$script_interfaces"
- rc=$?
- if test $rc = 0; then
- level=debug
- else
- level=err
- fi
- log="logger -p daemon.$level -t ovs-save"
- $log "force-reload-kmod interface restore script exited with status $rc:"
- $log -f "$script_interfaces"
+ restore_interfaces
"$datadir/scripts/ovs-check-dead-ifs"
}
## restart ##
## ------- ##
+save_interfaces_if_required () {
+ # Save interfaces if we are upgrading from a pre-1.10 branch.
+ case `ovs-appctl version | sed 1q` in
+ "ovs-vswitchd (Open vSwitch) 1."[0-9].*)
+ ifaces=`internal_interfaces`
+ action "Detected internal interfaces: $ifaces" true
+ if action "Saving interface configuration" save_interfaces; then
+ chmod +x "$script_interfaces"
+ fi
+ ;;
+ esac
+}
+
restart () {
if daemon_is_running ovsdb-server && daemon_is_running ovs-vswitchd; then
- script_flows=`mktemp`
- trap 'rm -f "${script_flows}"' 0
-
- action "Saving flows" save_flows
+ init_restore_scripts
+ save_interfaces_if_required
+ action "Saving flows" ovs_save save-flows "${script_flows}"
+ save_ofports_if_required
fi
# Restart the database first, since a large database may take a
stop_ovsdb
start_ovsdb
+ # Restore of ofports, if required, should happen before vswitchd is
+ # restarted.
+ restore_ofports
+
stop_forwarding
start_forwarding
- # Restore the saved flows. Do not return error if restore fails.
- restore_flows || true
+ # Restore the saved flows.
+ restore_flows
+
+ # Restore the interfaces if required. Return true even if restore fails.
+ restore_interfaces || true
}
## --------------- ##
SYSTEM_ID=
DELETE_BRIDGES=no
- BRCOMPAT=no
DAEMON_CWD=/
FORCE_COREFILES=yes
MLOCKALL=yes
OVSDB_SERVER_PRIORITY=-10
OVS_VSWITCHD_PRIORITY=-10
- OVS_BRCOMPATD_PRIORITY=-10
OVSDB_SERVER_WRAPPER=
OVS_VSWITCHD_WRAPPER=
- OVS_BRCOMPATD_WRAPPER=
DB_FILE=$dbdir/conf.db
DB_SOCK=$rundir/db.sock
--no-mlockall do not lock all of ovs-vswitchd into memory
--ovsdb-server-priority=NICE set ovsdb-server's niceness (default: $OVSDB_SERVER_PRIORITY)
--ovs-vswitchd-priority=NICE set ovs-vswitchd's niceness (default: $OVS_VSWITCHD_PRIORITY)
- --ovs-brcompatd-priority=NICE set ovs-brcompatd's niceness (default: $OVS_BRCOMPATD_PRIORITY)
Debugging options for "start", "restart" and "force-reload-kmod":
--ovsdb-server-wrapper=WRAPPER
--ovs-vswitchd-wrapper=WRAPPER
run specified daemon under WRAPPER (either 'valgrind' or 'strace')
-Options for "start", "restart", "force-reload-kmod", "load-kmod", "status", and "version":
- --brcompat enable Linux bridge compatibility module and daemon
-
File location options:
--db-file=FILE database file name (default: $DB_FILE)
--db-sock=SOCKET JSON-RPC socket name (default: $DB_SOCK)
daemons () {
echo ovsdb-server ovs-vswitchd
- if test X"$BRCOMPAT" = Xyes; then
- echo ovs-brcompatd
- fi
}
set_defaults
git://git.onelab.eu / sliver-openvswitch.git / blobdiff