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openvswitch: add support for definining bridge ports in the config 

Add limited procd support to handle config reload
Option drop_unknown_ports can be used to ensure that only configured ports
are part of the bridge

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2021-06-23 15:46:34 +02:00
parent 238046303d
commit 1038ac1235
1 changed files with 61 additions and 0 deletions
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61
net/openvswitch/files/openvswitch.init
View File

@ -2,7 +2,9 @@
# Copyright (C) 2013 Julius Schulz-Zander <julius@net.t-labs.tu-berlin.de>
# Copyright (C) 2014-2017 OpenWrt.org
# Copyright (C) 2018 Yousong Zhou <yszhou4tech@gmail.com>
# Copyright (C) 2021 Felix Fietkau <nbd@nbd.name>
. /lib/functions/procd.sh
START=15
ovs_ctl="/usr/share/openvswitch/scripts/ovs-ctl"; [ -x "$ovs_ctl" ] || ovs_ctl=:
@ -10,15 +12,35 @@ ovn_ctl="/usr/share/ovn/scripts/ovn-ctl"; [ -x "$ovn_ctl" ] || ovn_ctl=:
extra_command "status" "Get status information"
service_triggers() {
procd_add_reload_trigger openvswitch
}
init_triggers() {
procd_open_service "$(basename ${basescript:-$initscript})" "$initscript"
procd_close_service set
}
start() {
init_triggers
ovs_action start "$@"
}
reload() {
start
}
running() {
return 0
}
stop() {
procd_kill "$(basename ${basescript:-$initscript})"
ovs_action stop "$@"
}
restart() {
init_triggers
ovs_action restart "$@"
}
@ -68,6 +90,41 @@ ovs_xx() {
esac
}
ovs_bridge_parse_port() {
case "$1" in
*:*)
port="${1%%:*}"
type="${1#*:}"
;;
*)
port="$1"
type=""
;;
esac
}
ovs_bridge_port_add() {
[ -n "$1" ] || return
ovs_bridge_parse_port "$1"
cur_type="$(ovs-vsctl get interface "$port" type 2>/dev/null)"
[ "$?" = 0 ] && {
[ "$type" = "$cur_type" ] || ovs-vsctl del-port "$port"
}
ovs-vsctl --may-exist add-port "$name" "$port" ${type:+ -- set interface "$port" type="$type"}
__port_list="$__port_list ${port} "
}
ovs_bridge_port_cleanup() {
for port in `ovs-vsctl list-ports "$name"`; do
case "$__port_list" in
*" $port "*);;
*) ovs-vsctl del-port "$port";;
esac
done
}
ovs_bridge_init() {
local cfg="$1"
@ -81,6 +138,10 @@ ovs_bridge_init() {
config_get name "$cfg" name $cfg
ovs-vsctl --may-exist add-br "$name"
config_list_foreach "$cfg" "ports" ovs_bridge_port_add
config_get_bool drop "$cfg" "drop_unknown_ports" 0
[ "$drop" == 1 ] && ovs_bridge_port_cleanup
config_get controller "$cfg" controller
[ -n "$controller" ] && \
ovs-vsctl set-controller "$name" "$controller"