rhel/etc_sysconfig_network-scripts_ifup-ovs

   1 #!/bin/bash
   2
   3 # Copyright (c) 2011 Alexey I. Froloff.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at:
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 . /etc/init.d/functions
  18
  19 cd /etc/sysconfig/network-scripts
  20 . ./network-functions
  21
  22 [ -f ../network ] && . ../network
  23
  24 CONFIG=${1}
  25 TIMEOUT=10
  26
  27 need_config ${CONFIG}
  28
  29 source_config
  30
  31 OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-${REAL_DEVICETYPE}"
  32
  33 if [ ! -x ${OTHERSCRIPT} ]; then
  34         OTHERSCRIPT="/etc/sysconfig/network-scripts/ifup-eth"
  35 fi
  36
  37 check_recursion ()
  38 {
  39         [ -n "${UPPEDSTACK}" ] && for _r in ${UPPEDSTACK}; do
  40                 [ "$_r" = "$1" ] && return 1
  41         done
  42
  43         return 0
  44 }
  45
  46 ifup_ovs_bridge ()
  47 {
  48         if ovs-vsctl br-exists "${OVS_BRIDGE}"; then :; else
  49                 /sbin/ifup "${OVS_BRIDGE}"
  50         fi
  51 }
  52
  53 if [ -z "${UPPEDSTACK}" ]; then
  54         UPPEDSTACK="${DEVICE}"
  55 fi
  56
  57 [ -n "${OVSREQUIRES}" ] && for _i in ${OVSREQUIRES}; do
  58         if ( check_recursion "$_i" ); then
  59                 UPPEDSTACK="${UPPEDSTACK} $_i" /sbin/ifup "$_i"
  60         fi
  61 done
  62
  63 SERVICE_UNIT=/usr/lib/systemd/system/openvswitch-nonetwork.service
  64 if [ -f $SERVICE_UNIT ] && [ -x /usr/bin/systemctl ]; then
  65         if ! systemctl --quiet is-active openvswitch-nonetwork.service; then
  66                 systemctl start openvswitch-nonetwork.service
  67         fi
  68 else
  69         if [ ! -f /var/lock/subsys/openvswitch ]; then
  70                 /sbin/service openvswitch start
  71         fi
  72 fi
  73
  74 case "$TYPE" in
  75         OVSBridge)
  76                 # If bridge already exists and is up, it has been configured through
  77                 # other cases like OVSPort, OVSIntPort and OVSBond. If it is down or
  78                 # it does not exist, create it. It is possible for a bridge to exist
  79                 # because it remained in the OVSDB for some reason, but it won't be up.
  80                 if check_device_down "${DEVICE}"; then
  81                         ovs-vsctl -t ${TIMEOUT} -- --may-exist add-br "$DEVICE" $OVS_OPTIONS \
  82                         ${OVS_EXTRA+-- $OVS_EXTRA} \
  83                         ${STP+-- set bridge "$DEVICE" stp_enable="${STP}"}
  84                 else
  85                         OVSBRIDGECONFIGURED="yes"
  86                 fi
  87
  88                 # If MACADDR is provided in the interface configuration file,
  89                 # we need to set it using ovs-vsctl; setting it with the "ip"
  90                 # command in ifup-eth does not make the change persistent.
  91                 if [ -n "$MACADDR" ]; then
  92                         ovs-vsctl -t ${TIMEOUT} -- set bridge "$DEVICE" \
  93                                 other-config:hwaddr="$MACADDR"
  94                 fi
  95
  96                 # When dhcp is enabled, the assumption is that there will be a port to
  97                 # attach (otherwise, we can't reach out for dhcp). So, we do not
  98                 # configure the bridge through rhel's ifup infrastructure unless
  99                 # it is being configured after the port has been configured.
 100                 # The "OVSINTF" is set only after the port is configured.
 101                 if [ "${OVSBOOTPROTO}" = "dhcp" ] && [ -n "${OVSINTF}" ]; then
 102                         case " ${OVSDHCPINTERFACES} " in
 103                                 *" ${OVSINTF} "*)
 104                                         BOOTPROTO=dhcp ${OTHERSCRIPT} ${CONFIG}
 105                                 ;;
 106                         esac
 107                 fi
 108
 109                 # When dhcp is not enabled, it is possible that someone may want
 110                 # a standalone bridge (i.e it may not have any ports). Configure it.
 111                 if [ "${OVSBOOTPROTO}" != "dhcp" ] && [ -z "${OVSINTF}" ] && \
 112                         [ "${OVSBRIDGECONFIGURED}" != "yes" ]; then
 113                         ${OTHERSCRIPT} ${CONFIG}
 114                 fi
 115                 exit 0
 116                 ;;
 117         OVSPort)
 118                 ifup_ovs_bridge
 119                 ${OTHERSCRIPT} ${CONFIG} ${2}
 120                 ovs-vsctl -t ${TIMEOUT} -- --may-exist add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
 121                 OVSINTF=${DEVICE} /sbin/ifup "$OVS_BRIDGE"
 122                 ;;
 123         OVSIntPort)
 124                 ifup_ovs_bridge
 125                 ovs-vsctl -t ${TIMEOUT} -- --may-exist add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS -- set Interface "$DEVICE" type=internal ${OVS_EXTRA+-- $OVS_EXTRA}
 126                 if [ -n "${OVSDHCPINTERFACES}" ]; then
 127                         for _iface in ${OVSDHCPINTERFACES}; do
 128                                 /sbin/ifup ${_iface}
 129                         done
 130                 fi
 131                 BOOTPROTO="${OVSBOOTPROTO}" ${OTHERSCRIPT} ${CONFIG} ${2}
 132                 ;;
 133         OVSBond)
 134                 ifup_ovs_bridge
 135                 for _iface in $BOND_IFACES; do
 136                         /sbin/ifup ${_iface}
 137                 done
 138                 ovs-vsctl -t ${TIMEOUT} -- --may-exist add-bond "$OVS_BRIDGE" "$DEVICE" ${BOND_IFACES} $OVS_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
 139                 OVSINTF=${DEVICE} /sbin/ifup "$OVS_BRIDGE"
 140                 ;;
 141         OVSTunnel)
 142                 ifup_ovs_bridge
 143                 ovs-vsctl -t ${TIMEOUT} -- --may-exist add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS -- set Interface "$DEVICE" type=$OVS_TUNNEL_TYPE $OVS_TUNNEL_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
 144                 ${OTHERSCRIPT} ${CONFIG} ${2}
 145                 ;;
 146         OVSPatchPort)
 147                 ifup_ovs_bridge
 148                 ovs-vsctl -t ${TIMEOUT} -- --may-exist add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS -- set Interface "$DEVICE" type=patch options:peer="${OVS_PATCH_PEER}" ${OVS_EXTRA+-- $OVS_EXTRA}
 149                 ;;
 150         *)
 151                 echo $"Invalid OVS interface type $TYPE"
 152                 exit 1
 153                 ;;
 154 esac