24 lines
711 B
Plaintext
24 lines
711 B
Plaintext
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#!/bin/sh
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echo 'config qemu network with bridge for ' $*
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# If bridge is not specified, try device with default route.
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bridge=$2
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if [ -z "$bridge" ]; then
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bridge=$(ip route list | awk '/^default / { print $NF }')
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fi
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# Exit if $bridge is not a bridge. Exit with 0 status
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# so qemu-dm process is not terminated. No networking in
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# vm is bad but not catastrophic. The vm could still run
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# cpu and disk IO workloads.
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# Include an useful error message in qemu-dm log file.
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if [ ! -e "/sys/class/net/${bridge}/bridge" ]
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then
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echo "WARNING! ${bridge} is not a bridge. qemu-ifup exiting. VM may not have a functioning networking stack."
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exit 0
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fi
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ifconfig $1 0.0.0.0 up
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brctl addif $bridge $1 || true
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