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.service
  64 if [ -f $SERVICE_UNIT ] && [ -x /usr/bin/systemctl ]; then
  65         if ! systemctl --quiet is-active openvswitch.service; then
  66                 systemctl start openvswitch.service
  67         fi
  68 else
  69         if [ ! -f /var/lock/subsys/openvswitch ]; then
  70                 /sbin/service openvswitch start
  71         fi
  72 fi
  73
  74 case "$TYPE" in
  75         OVSBridge|OVSUserBridge)
  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 [ "${TYPE}" = "OVSUserBridge" ]; then
  81                         DATAPATH="netdev"
  82                 fi
  83                 if check_device_down "${DEVICE}"; then
  84                         ovs-vsctl -t ${TIMEOUT} -- --may-exist add-br "$DEVICE" $OVS_OPTIONS \
  85                         ${OVS_EXTRA+-- $OVS_EXTRA} \
  86                         ${STP+-- set bridge "$DEVICE" stp_enable="${STP}"} \
  87                         ${DATAPATH+-- set bridge "$DEVICE" datapath_type="$DATAPATH"}
  88                 else
  89                         OVSBRIDGECONFIGURED="yes"
  90                 fi
  91
  92                 # If MACADDR is provided in the interface configuration file,
  93                 # we need to set it using ovs-vsctl; setting it with the "ip"
  94                 # command in ifup-eth does not make the change persistent.
  95                 if [ -n "$MACADDR" ]; then
  96                         ovs-vsctl -t ${TIMEOUT} -- set bridge "$DEVICE" \
  97                                 other-config:hwaddr="$MACADDR"
  98                 fi
  99
 100                 # When dhcp is enabled, the assumption is that there will be a port to
 101                 # attach (otherwise, we can't reach out for dhcp). So, we do not
 102                 # configure the bridge through rhel's ifup infrastructure unless
 103                 # it is being configured after the port has been configured.
 104                 # The "OVSINTF" is set only after the port is configured.
 105                 if [ "${OVSBOOTPROTO}" = "dhcp" ] && [ -n "${OVSINTF}" ]; then
 106                         case " ${OVSDHCPINTERFACES} " in
 107                                 *" ${OVSINTF} "*)
 108                                         BOOTPROTO=dhcp ${OTHERSCRIPT} ${CONFIG}
 109                                 ;;
 110                         esac
 111                 fi
 112
 113                 # When dhcp is not enabled, it is possible that someone may want
 114                 # a standalone bridge (i.e it may not have any ports). Configure it.
 115                 if [ "${OVSBOOTPROTO}" != "dhcp" ] && [ -z "${OVSINTF}" ] && \
 116                         [ "${OVSBRIDGECONFIGURED}" != "yes" ]; then
 117                         ${OTHERSCRIPT} ${CONFIG}
 118                 fi
 119                 exit 0
 120                 ;;
 121         OVSPort)
 122                 ifup_ovs_bridge
 123                 ${OTHERSCRIPT} ${CONFIG} ${2}
 124                 # The port might be already in the database but not yet
 125                 # in the datapath.  So, remove the stale interface first.
 126                 ovs-vsctl -t ${TIMEOUT} \
 127                         -- --if-exists del-port "$OVS_BRIDGE" "$DEVICE" \
 128                         -- add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
 129                 OVSINTF=${DEVICE} /sbin/ifup "$OVS_BRIDGE"
 130                 ;;
 131         OVSIntPort)
 132                 ifup_ovs_bridge
 133                 ovs-vsctl -t ${TIMEOUT} \
 134                         -- --if-exists del-port "$OVS_BRIDGE" "$DEVICE" \
 135                         -- add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS \
 136                         -- set Interface "$DEVICE" type=internal ${OVS_EXTRA+-- $OVS_EXTRA}
 137                 if [ -n "${OVSDHCPINTERFACES}" ]; then
 138                         for _iface in ${OVSDHCPINTERFACES}; do
 139                                 /sbin/ifup ${_iface}
 140                         done
 141                 fi
 142                 BOOTPROTO="${OVSBOOTPROTO}" ${OTHERSCRIPT} ${CONFIG} ${2}
 143                 ;;
 144         OVSBond)
 145                 ifup_ovs_bridge
 146                 for _iface in $BOND_IFACES; do
 147                         /sbin/ifup ${_iface}
 148                 done
 149                 ovs-vsctl -t ${TIMEOUT} \
 150                         -- --if-exists del-port "$OVS_BRIDGE" "$DEVICE" \
 151                         -- add-bond "$OVS_BRIDGE" "$DEVICE" ${BOND_IFACES} $OVS_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
 152                 OVSINTF=${DEVICE} /sbin/ifup "$OVS_BRIDGE"
 153                 ;;
 154         OVSTunnel)
 155                 ifup_ovs_bridge
 156                 ovs-vsctl -t ${TIMEOUT} \
 157                         -- --if-exists del-port "$OVS_BRIDGE" "$DEVICE" \
 158                         -- add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS \
 159                         -- set Interface "$DEVICE" type=$OVS_TUNNEL_TYPE $OVS_TUNNEL_OPTIONS ${OVS_EXTRA+-- $OVS_EXTRA}
 160                 ;;
 161         OVSPatchPort)
 162                 ifup_ovs_bridge
 163                 ovs-vsctl -t ${TIMEOUT} \
 164                         -- --if-exists del-port "$OVS_BRIDGE" "$DEVICE" \
 165                         -- add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS \
 166                         -- set Interface "$DEVICE" type=patch options:peer="${OVS_PATCH_PEER}" ${OVS_EXTRA+-- $OVS_EXTRA}
 167                 ;;
 168         OVSDPDKPort)
 169                 ifup_ovs_bridge
 170                 BRIDGE_MAC_ORIG=$(get_hwaddr $OVS_BRIDGE)
 171                 ovs-vsctl -t ${TIMEOUT} \
 172                         -- --if-exists del-port "$OVS_BRIDGE" "$DEVICE" \
 173                         -- add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS \
 174                         -- set Interface "$DEVICE" type=dpdk ${OVS_EXTRA+-- $OVS_EXTRA}
 175                 BRIDGE_MAC=$(get_hwaddr $OVS_BRIDGE)
 176                 # The bridge may change its MAC to be the lower one among all its
 177                 # ports. If that happens, bridge configuration (e.g. routes) will
 178                 # be lost. Restore the post-up bridge configuration again.
 179                 if [ "$BRIDGE_MAC_ORIG" != "$BRIDGE_MAC" ]; then
 180                         ${OTHERSCRIPT} "$OVS_BRIDGE"
 181                 fi
 182                 ;;
 183         OVSDPDKVhostUserPort)
 184                 ifup_ovs_bridge
 185                 PORT_TYPE="dpdkvhostuser"
 186                 PORT_PATH=""
 187                 if [ "$OVS_PORT_MODE" == "client" ]; then
 188                         PORT_TYPE="dpdkvhostuserclient"
 189                         PORT_PATH="options:vhost-server-path=${OVS_PORT_PATH}"
 190                 fi
 191                 ovs-vsctl -t ${TIMEOUT} \
 192                         -- --if-exists del-port "$OVS_BRIDGE" "$DEVICE" \
 193                         -- add-port "$OVS_BRIDGE" "$DEVICE" $OVS_OPTIONS \
 194                         -- set Interface "$DEVICE" type=$PORT_TYPE \
 195                         $PORT_PATH \
 196                         ${OVS_EXTRA+-- $OVS_EXTRA}
 197                 ;;
 198         OVSDPDKBond)
 199                 ifup_ovs_bridge
 200                 BRIDGE_MAC_ORIG=$(get_hwaddr $OVS_BRIDGE)
 201                 for _iface in $BOND_IFACES; do
 202                         IFACE_TYPES="${IFACE_TYPES} -- set interface ${_iface} type=dpdk"
 203                 done
 204                 ovs-vsctl -t ${TIMEOUT} \
 205                         -- --if-exists del-port "$OVS_BRIDGE" "$DEVICE" \
 206                         -- add-bond "$OVS_BRIDGE" "$DEVICE" ${BOND_IFACES} $OVS_OPTIONS ${IFACE_TYPES} ${OVS_EXTRA+-- $OVS_EXTRA}
 207                 BRIDGE_MAC=$(get_hwaddr $OVS_BRIDGE)
 208                 # The bridge may change its MAC to be the lower one among all its
 209                 # ports. If that happens, bridge configuration (e.g. routes) will
 210                 # be lost. Restore the post-up bridge configuration again.
 211                 if [ "$BRIDGE_MAC_ORIG" != "$BRIDGE_MAC" ]; then
 212                         ${OTHERSCRIPT} "$OVS_BRIDGE"
 213                 fi
 214                 ;;
 215         *)
 216                 echo $"Invalid OVS interface type $TYPE"
 217                 exit 1
 218                 ;;
 219 esac