src/functions/functions.switch

   1 #!/bin/bash
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2012  IPFire Network Development Team                         #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 function switch_start() {
  23         local service="openvswitch.service"
  24
  25         if ! service_is_active "${service}"; then
  26                 service_start "${service}"
  27         fi
  28
  29         return ${EXIT_OK}
  30 }
  31
  32 function switch_create() {
  33         local device=${1}
  34         assert isset device
  35
  36         # Make sure that the openvswitch service is running.
  37         switch_start
  38
  39         log DEBUG "Creating virtual switch: ${device}"
  40         ovs-vsctl -- --may-exist add-br ${device}
  41
  42         assert device_exists ${device}
  43
  44         return ${EXIT_OK}
  45 }
  46
  47 function switch_remove() {
  48         local device=${1}
  49         assert isset device
  50
  51         # Set device down.
  52         device_set_down ${device}
  53
  54         log DEBUG "Removing virtual switch: ${device}"
  55         ovs-vsctl -- --if-exists del-br ${device}
  56
  57         return ${EXIT_OK}
  58 }
  59
  60 function switch_exists() {
  61         local device=${1}
  62         assert isset device
  63
  64         ovs-vsctl -- br-exists ${device}
  65         case "$?" in
  66                 0)
  67                         return ${EXIT_TRUE}
  68                         ;;
  69                 2)
  70                         return ${EXIT_FALSE}
  71                         ;;
  72         esac
  73
  74         return ${EXIT_ERROR}
  75 }
  76
  77 function switch_get_members() {
  78         local device=${1}
  79         assert isset device
  80
  81         ovs-vsctl -- list-ports ${device}
  82         return ${EXIT_OK}
  83 }
  84
  85 function switch_attach_port() {
  86         local device=${1}
  87         assert isset device
  88
  89         local port=${2}
  90         assert isset port
  91
  92         log DEBUG "Attaching port '${port}' to switch '${device}'"
  93         ovs-vsctl -- --may-exist add-port "${device}" "${port}"
  94
  95         return ${EXIT_OK}
  96 }
  97
  98 function switch_detach_port() {
  99         local device=${1}
 100         assert isset device
 101
 102         local port=${2}
 103         assert isset port
 104
 105         log DEBUG "Detaching port '${port}' from switch '${device}'"
 106         ovs-vsctl -- --if-exists del-port "${device}" "${port}"
 107
 108         return ${EXIT_OK}
 109 }
 110
 111 function switch_stp_enable() {
 112         local device=${1}
 113         assert isset device
 114
 115         log DEBUG "Enable STP on switch ${device}"
 116         ovs-vsctl set Bridge ${device} "stp_enable=true"
 117
 118         return ${EXIT_OK}
 119 }
 120
 121 function switch_stp_disable() {
 122         local device=${1}
 123         assert isset device
 124
 125         log DEBUG "Disable STP on switch ${device}"
 126         ovs-vsctl set Bridge ${device} "stp_enable=false"
 127
 128         return ${EXIT_OK}
 129 }
 130
 131 function switch_stp_is_enabled() {
 132         local device=${1}
 133         assert isset device
 134
 135         local output=$(ovs-vsctl -- --if-exists get Bridge ${device} stp_enable)
 136
 137         if enabled output; then
 138                 return ${EXIT_TRUE}
 139         fi
 140
 141         return ${EXIT_FALSE}
 142 }