60 lines
1.6 KiB
Bash
Executable File
60 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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bind_port() {
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echo "plugging veth $2 (Neutron port $1)..."
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# create a linux bridge
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br_name="br"${4:0:12}
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ip link show $br_name
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if [ $? -ne 0 ]; then
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echo "Bridge $br_name does not exist, create it"
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ip link add name $br_name type bridge
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echo 0 > /sys/devices/virtual/net/$br_name/bridge/forward_delay
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echo 0 > /sys/devices/virtual/net/$br_name/bridge/stp_state
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ip link set $br_name up
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else
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echo "Bridge $br_name exists"
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fi
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# connect the veth outside to linux bridge
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ip link set dev $2 master $br_name
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ip link set $2 up
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}
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unbind_port() {
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echo "unplugging veth $1..."
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br_name="br"${3:0:12}
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ip link set dev $2 nomaster
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ip link set $br_name down
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ip link delete $br_name type bridge
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}
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case $1 in
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"bind")
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shift
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bind_port "$@"
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exit 0
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;;
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"unbind")
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shift
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unbind_port "$@"
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exit 0
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;;
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*)
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echo >&2 "$0: Invalid command $1."
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exit 1
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;;
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esac
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