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67 lines
2.2 KiB
67 lines
2.2 KiB
#!/bin/sh
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#
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# Startup script for Open vSwitch
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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# Copyright (C) 2019 Bernhard Ehlers
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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cust_init="/etc/openvswitch/init.sh"
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export PATH="$PATH:/usr/share/openvswitch/scripts"
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if [ ! -f "/etc/openvswitch/conf.db" ]; then
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# init database and start the daemons
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cat /proc/sys/kernel/random/uuid > /etc/openvswitch/system-id.conf
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ovs-ctl --system-id=random start
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# add bridges br0..br3
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x=0
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while [ $x -lt 4 ]; do
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ovs-vsctl add-br br$x
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ovs-vsctl set bridge br$x datapath_type=netdev
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x=$((x+1))
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done
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# add eth interfaces without network configuration to br0
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sed -n 's/^ *\(eth[0-9]*\):.*/\1/p' /proc/net/dev | while read -r if; do
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ofport=${if#eth}
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[ "$ofport" -eq 0 ] && ofport=1000
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grep -q -s -E \
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"^[[:blank:]]*iface[[:blank:]]+${if}[[:blank:].:]" \
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/etc/network/interfaces || \
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ovs-vsctl add-port br0 "$if" -- \
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set interface "$if" ofport_request="$ofport"
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done
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else
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# use existing database and start the daemons
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ovs-ctl --system-id=random start
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fi
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# activate internal bridge interfaces
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ovs-vsctl --bare -f table --columns=name find interface type=internal | while read -r if; do
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ip link set dev "$if" up
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done
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# configure non-lo/eth interfaces of /etc/network/interfaces
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sed -n -E -e '/^[[:blank:]]*iface[[:blank:]]+(lo|eth)/d' \
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-e 's/^[[:blank:]]*iface[[:blank:]]+([a-zA-Z][^[:blank:]]*).*/\1/p' \
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/etc/network/interfaces | \
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while read -r if; do
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ifup -f "$if"
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done
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# run custom initialization script
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[ -f "$cust_init" ] && [ -x "$cust_init" ] && "$cust_init"
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