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# Copyright (C) 2009, 2010, 2011, 2012 Nicira Networks, Inc.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at:
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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*/*) dir0=`echo "$0" | sed 's,/[^/]*$,,'` ;;
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. "$dir0/ovs-lib" || exit 1
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for dir in "$sbindir" "$bindir" /sbin /bin /usr/sbin /usr/bin; do
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insert_openvswitch_mod_if_required () {
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# If openvswitch_mod is already loaded then we're done.
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test -e /sys/module/openvswitch_mod && return 0
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# Load openvswitch_mod. If that's successful then we're done.
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action "Inserting openvswitch module" modprobe openvswitch_mod && return 0
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# If the bridge module is loaded, then that might be blocking
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# openvswitch_mod. Try to unload it, if there are no bridges.
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test -e /sys/module/bridge || return 1
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bridges=`echo /sys/class/net/*/bridge | sed 's,/sys/class/net/,,g;s,/bridge,,g'`
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if test "$bridges" != "*"; then
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log_warning_msg "not removing bridge module because bridges exist ($bridges)"
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action "removing bridge module" rmmod bridge || return 1
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# Try loading openvswitch_mod again.
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action "Inserting openvswitch module" modprobe openvswitch_mod
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insert_brcompat_mod_if_required () {
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test -e /sys/module/brcompat_mod && return 0
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action "Inserting brcompat module" modprobe brcompat_mod
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insert_mod_if_required () {
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insert_openvswitch_mod_if_required || return 1
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if test X"$BRCOMPAT" = Xyes; then
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if insert_brcompat_mod_if_required; then
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log_warning_msg "could not load brcompat module, disabling bridge compatibility"
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ovs-vsctl --no-wait --timeout=5 "$@"
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ovsdb-tool -vANY:console:off "$@"
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action "Creating empty database $DB_FILE" ovsdb_tool create "$DB_FILE" "$DB_SCHEMA"
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schemaver=`ovsdb_tool schema-version "$DB_SCHEMA"`
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if test ! -e "$DB_FILE"; then
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log_warning_msg "$DB_FILE does not exist"
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install -d -m 755 -o root -g root `dirname $DB_FILE`
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elif test X"`ovsdb_tool needs-conversion "$DB_FILE" "$DB_SCHEMA"`" != Xno; then
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# Back up the old version.
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version=`ovsdb_tool db-version "$DB_FILE"`
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cksum=`ovsdb_tool db-cksum "$DB_FILE" | awk '{print $1}'`
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backup=$DB_FILE.backup$version-$cksum
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action "Backing up database to $backup" cp "$DB_FILE" "$backup" || return 1
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# Compact database. This is important if the old schema did not enable
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# garbage collection (i.e. if it did not have any tables with "isRoot":
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# true) but the new schema does. In that situation the old database
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# may contain a transaction that creates a record followed by a
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# transaction that creates the first use of the record. Replaying that
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# series of transactions against the new database schema (as "convert"
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# does) would cause the record to be dropped by the first transaction,
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# then the second transaction would cause a referential integrity
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# failure (for a strong reference).
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# Errors might occur on an Open vSwitch downgrade if ovsdb-tool doesn't
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# understand some feature of the schema used in the OVSDB version that
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# we're downgrading from, so we don't give up on error.
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action "Compacting database" ovsdb_tool compact "$DB_FILE"
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# Upgrade or downgrade schema.
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if action "Converting database schema" ovsdb_tool convert "$DB_FILE" "$DB_SCHEMA"; then
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log_warning_msg "Schema conversion failed, using empty database instead"
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set ovs_vsctl set Open_vSwitch .
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OVS_VERSION=`ovs-vswitchd --version | sed 's/.*) //;1q'`
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set "$@" ovs-version="$OVS_VERSION"
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id_file=$etcdir/system-id.conf
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uuid_file=$etcdir/install_uuid.conf
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if test -e "$id_file"; then
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SYSTEM_ID=`cat "$id_file"`
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elif test -e "$uuid_file"; then
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# Migrate from old file name.
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SYSTEM_ID=$INSTALLATION_UUID
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echo "$SYSTEM_ID" > "$id_file"
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elif SYSTEM_ID=`uuidgen`; then
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echo "$SYSTEM_ID" > "$id_file"
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log_failure_msg "missing uuidgen, could not generate system ID"
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log_failure_msg "system ID not configured, please use --system-id"
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set "$@" external-ids:system-id="\"$SYSTEM_ID\""
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if test X"$SYSTEM_TYPE" != X; then
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set "$@" system-type="\"$SYSTEM_TYPE\""
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log_failure_msg "no default system type, please use --system-type"
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if test X"$SYSTEM_VERSION" != X; then
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set "$@" system-version="\"$SYSTEM_VERSION\""
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log_failure_msg "no default system version, please use --system-version"
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action "Configuring Open vSwitch system IDs" "$@" $extra_ids
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if test X"$FORCE_COREFILES" = Xyes; then
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insert_mod_if_required || return 1
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if daemon_is_running ovsdb-server; then
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log_success_msg "ovsdb-server is already running"
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# Create initial database or upgrade database schema.
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upgrade_db || return 1
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# Start ovsdb-server.
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set ovsdb-server "$DB_FILE"
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set "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:ERR -vANY:FILE:INFO
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set "$@" --remote=punix:"$DB_SOCK"
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set "$@" --remote=db:Open_vSwitch,manager_options
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set "$@" --private-key=db:SSL,private_key
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set "$@" --certificate=db:SSL,certificate
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set "$@" --bootstrap-ca-cert=db:SSL,ca_cert
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start_daemon "$OVSDB_SERVER_PRIORITY" "$@" || return 1
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# Initialize database settings.
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ovs_vsctl -- init -- set Open_vSwitch . db-version="$schemaver" \
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set_system_ids || return 1
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if test X"$DELETE_BRIDGES" = Xyes; then
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for bridge in `ovs_vsctl list-br`; do
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ovs_vsctl del-br $bridge
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if daemon_is_running ovs-vswitchd; then
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log_success_msg "ovs-vswitchd is already running"
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# Increase the limit on the number of open file descriptors.
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# ovs-vswitchd needs 16 per datapath, plus a few extra, so this
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# should allow for 256 (or more) bridges.
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# Start ovs-vswitchd.
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set ovs-vswitchd unix:"$DB_SOCK"
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set "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:ERR -vANY:FILE:INFO
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if test X"$MLOCKALL" != Xno; then
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start_daemon "$OVS_VSWITCHD_PRIORITY" "$@"
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if daemon_is_running ovs-brcompatd; then
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log_success_msg "ovs-brcompatd is already running"
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elif test X"$BRCOMPAT" = Xyes; then
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set "$@" -vANY:CONSOLE:EMER -vANY:SYSLOG:ERR -vANY:FILE:INFO
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start_daemon "$OVS_BRCOMPATD_PRIORITY" "$@"
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stop_daemon ovs-brcompatd
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stop_daemon ovs-vswitchd
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stop_daemon ovsdb-server
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## ----------------- ##
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## force-reload-kmod ##
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## ----------------- ##
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internal_interfaces () {
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# Outputs a list of internal interfaces:
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# - There is an internal interface for every bridge, whether it
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# has an Interface record or not and whether the Interface
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# record's 'type' is properly set or not.
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# - There is an internal interface for each Interface record whose
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# 'type' is 'internal'.
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# But ignore interfaces that don't really exist.
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for d in `(ovs_vsctl --bare \
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-- --columns=name find Interface type=internal \
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-- list-br) | sort -u`
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if test -e "/sys/class/net/$d"; then
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"$datadir/scripts/ovs-save" $ifaces > "$script"
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force_reload_kmod () {
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ifaces=`internal_interfaces`
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action "Detected internal interfaces: $ifaces" true
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trap 'rm -f "$script"' 0 1 2 13 15
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if action "Saving interface configuration" save_interfaces; then
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log_warning_msg "Failed to save configuration, not replacing kernel module"
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for dp in `ovs-dpctl dump-dps`; do
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action "Removing datapath: $dp" ovs-dpctl del-dp "$dp"
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if test -e /sys/module/brcompat_mod; then
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action "Removing brcompat module" rmmod brcompat_mod
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if test -e /sys/module/openvswitch_mod; then
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action "Removing openvswitch module" rmmod openvswitch_mod
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action "Restoring interface configuration" "$script"
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if test $rc = 0; then
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log="logger -p daemon.$level -t ovs-save"
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$log "force-reload-kmod interface restore script exited with status $rc:"
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## --------------- ##
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## enable-protocol ##
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## --------------- ##
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# Translate the protocol name to a number, because "iptables -n -L" prints
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# some protocols by name (despite the -n) and therefore we need to look for
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# (iptables -S output is more uniform but old iptables doesn't have it.)
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protonum=`grep "^$PROTOCOL[ ]" /etc/protocols | awk '{print $2}'`
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if expr X"$protonum" : X'[0-9]\{1,\}$' > /dev/null; then :; else
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log_failure_msg "unknown protocol $PROTOCOL"
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match="(\$2 == \"$PROTOCOL\" || \$2 == $protonum)"
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insert="iptables -I INPUT -p $PROTOCOL"
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if test X"$DPORT" != X; then
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name="$name to port $DPORT"
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match="$match && /dpt:$DPORT/"
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insert="$insert --dport $DPORT"
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if test X"$SPORT" != X; then
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name="$name from port $SPORT"
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match="$match && /spt:$SPORT/"
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insert="$insert --sport $SPORT"
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insert="$insert -j ACCEPT"
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if (iptables -n -L INPUT) >/dev/null 2>&1; then
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if iptables -n -L INPUT | awk "$match { n++ } END { exit n == 0 }"
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# There's already a rule for this protocol. Don't override it.
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log_success_msg "iptables already has a rule for $name, not explicitly enabling"
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action "Enabling $name with iptables" $insert
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elif (iptables --version) >/dev/null 2>&1; then
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action "cannot list iptables rules, not adding a rule for $name"
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action "iptables binary not installed, not adding a rule for $name"
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OVSDB_SERVER_PRIORITY=-10
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OVS_VSWITCHD_PRIORITY=-10
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OVS_BRCOMPATD_PRIORITY=-10
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DB_FILE=$etcdir/conf.db
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DB_SOCK=$rundir/db.sock
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DB_SCHEMA=$datadir/vswitch.ovsschema
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if (lsb_release --id) >/dev/null 2>&1; then
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SYSTEM_TYPE=`lsb_release --id -s`
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system_release=`lsb_release --release -s`
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system_codename=`lsb_release --codename -s`
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SYSTEM_VERSION="${system_release}-${system_codename}"
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SYSTEM_VERSION=unknown
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$0: controls Open vSwitch daemons
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usage: $0 [OPTIONS] COMMAND
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This program is intended to be invoked internally by Open vSwitch startup
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scripts. System administrators should not normally invoke it directly.
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start start Open vSwitch daemons
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stop stop Open vSwitch daemons
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status check whether Open vSwitch daemons are running
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version print versions of Open vSwitch daemons
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load-kmod insert modules if not already present
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force-reload-kmod save OVS network device state, stop OVS, unload kernel
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module, reload kernel module, start OVS, restore state
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enable-protocol enable protocol specified in options with iptables
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help display this help message
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One of the following options is required for "start" and "force-reload-kmod":
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--system-id=UUID set specific ID to uniquely identify this system
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--system-id=random use a random but persistent UUID to identify this system
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Other important options for "start" and "force-reload-kmod":
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--system-type=TYPE set system type (e.g. "XenServer")
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--system-version=VERSION set system version (e.g. "5.6.100-39265p")
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--external-id="key=value"
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add given key-value pair to Open_vSwitch external-ids
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--delete-bridges delete all bridges just before starting ovs-vswitchd
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Less important options for "start" and "force-reload-kmod":
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--daemon-cwd=DIR set working dir for OVS daemons (default: $DAEMON_CWD)
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--no-force-corefiles do not force on core dumps for OVS daemons
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--no-mlockall do not lock all of ovs-vswitchd into memory
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--ovsdb-server-priority=NICE set ovsdb-server's niceness (default: $OVSDB_SERVER_PRIORITY)
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--ovs-vswitchd-priority=NICE set ovs-vswitchd's niceness (default: $OVS_VSWITCHD_PRIORITY)
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--ovs-brcompatd-priority=NICE set ovs-brcompatd's niceness (default: $OVS_BRCOMPATD_PRIORITY)
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Options for "start", "force-reload-kmod", "load-kmod", "status", and "version":
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--brcompat enable Linux bridge compatibility module and daemon
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File location options:
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--db-file=FILE database file name (default: $DB_FILE)
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--db-sock=SOCKET JSON-RPC socket name (default: $DB_SOCK)
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--db-schema=FILE database schema file name (default: $DB_SCHEMA)
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Options for "enable-protocol":
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--protocol=PROTOCOL protocol to enable with iptables (default: gre)
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--sport=PORT source port to match (for tcp or udp protocol)
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--dport=PORT ddestination port to match (for tcp or udp protocol)
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-h, --help display this help message
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-V, --version display version information
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Default directories with "configure" option and environment variable override:
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logs: @LOGDIR@ (--log-dir, OVS_LOGDIR)
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pidfiles and sockets: @RUNDIR@ (--run-dir, OVS_RUNDIR)
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system configuration: @sysconfdir@ (--sysconfdir, OVS_SYSCONFDIR)
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data files: @pkgdatadir@ (--pkgdatadir, OVS_PKGDATADIR)
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user binaries: @bindir@ (--bindir, OVS_BINDIR)
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system binaries: @sbindir@ (--sbindir, OVS_SBINDIR)
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Please report bugs to bugs@openvswitch.org (see REPORTING-BUGS for details).
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var=`echo "$option" | tr abcdefghijklmnopqrstuvwxyz- ABCDEFGHIJKLMNOPQRSTUVWXYZ_`
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eval set=\${$var+yes}
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eval old_value=\$$var
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if test X$set = X || \
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(test $type = bool && \
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test X"$old_value" != Xno && test X"$old_value" != Xyes); then
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echo >&2 "$0: unknown option \"$arg\" (use --help for help)"
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echo ovsdb-server ovs-vswitchd
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if test X"$BRCOMPAT" = Xyes; then
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echo "$0 (Open vSwitch) $VERSION$BUILDNR"
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value=`expr X"$arg" : 'X[^=]*=\(.*\)'`
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extra_ids="$extra_ids external-ids:$value"
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echo >&2 "$0: --external-id argument not in the form \"key=value\""
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option=`expr X"$arg" : 'X--\([^=]*\)'`
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value=`expr X"$arg" : 'X[^=]*=\(.*\)'`
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option=`expr X"$arg" : 'X--no-\(.*\)'`
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option=`expr X"$arg" : 'X--\(.*\)'`
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echo >&2 "$0: unknown option \"$arg\" (use --help for help)"
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if test X"$command" = X; then
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echo >&2 "$0: exactly one non-option argument required (use --help for help)"
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for daemon in `daemons`; do
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daemon_status $daemon || rc=$?
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for daemon in `daemons`; do
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insert_mod_if_required
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echo >&2 "$0: missing command name (use --help for help)"
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echo >&2 "$0: unknown command \"$command\" (use --help for help)"
added
removed
.pc/bug-681880-3-Make-the-location-of-the-database-separately-configu.patch/utilities/ovs-ctl.in
