[libvirt] [PATCH] lxc: don't up the veth interfaces unless explicitly asked to
Daniel P. Berrange
berrange at redhat.com
Wed Apr 22 15:17:33 UTC 2015
On Wed, Apr 22, 2015 at 05:02:49PM +0200, Lubomir Rintel wrote:
> Upping an interface for no reason and not configuring it is a cardinal sin.
The interface may well be configured with both IPv4 & IPv6 addresses
depending on the XML config for the guest....
> diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
> index cc20b6d..50e38e9 100644
> --- a/src/lxc/lxc_container.c
> +++ b/src/lxc/lxc_container.c
> @@ -541,7 +541,7 @@ static int lxcContainerRenameAndEnableInterfaces(virDomainDefPtr vmDef,
> VIR_FREE(ipStr);
> }
>
> - if (netDef->linkstate != VIR_DOMAIN_NET_INTERFACE_LINK_STATE_DOWN) {
> + if (netDef->linkstate == VIR_DOMAIN_NET_INTERFACE_LINK_STATE_UP) {
...so this is wrong because it doesn't take account of the fact that we may
have configured addresses just a few lines earlier in this very same function
I'm fine with not setting the link state to online, but *only* if we do not
have any addresses configured in the XML for that NIC.
Regards,
Daniel
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