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be a little more clever about interface default
the interface default of eth0 has become more wrong since we've
got a generation of Linux distros that don't use eth* as their
interface naming. Instead of that do a slightly more clever, but
probably still wrong thing, of picking an interface that exists
and is a physical interface.
This is still overridable, however won't cause really cryptic
failures in nova-compute because it's trying to use an interface
that doesn't exist *really* late in the network creation.
Change-Id: I93016ff5a25678de76254418155c839a269486a0
Sean Dague authored on 2014/05/29 06:30:10Showing 1 changed files
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@@ -75,8 +75,13 @@ QEMU_CONF=/etc/libvirt/qemu.conf |
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# Set default defaults here as some hypervisor drivers override these |
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PUBLIC_INTERFACE_DEFAULT=br100 |
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-GUEST_INTERFACE_DEFAULT=eth0 |
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FLAT_NETWORK_BRIDGE_DEFAULT=br100 |
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+# set the GUEST_INTERFACE_DEFAULT to some interface on the box so that |
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+# the default isn't completely crazy. This will match eth*, em*, or |
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+# the new p* interfaces, then basically picks the first |
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+# alphabetically. It's probably wrong, however it's less wrong than |
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+# always using 'eth0' which doesn't exist on new Linux distros at all. |
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+GUEST_INTERFACE_DEFAULT=$(route -n | awk '{print $8}' | grep ^[ep] | sort | head -1)
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# Get hypervisor configuration |
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# ---------------------------- |