Re: [PATCH v4 03/17] LXC: set IP addresses to veth devices in the container

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On Thursday 13 November 2014 10:33:02 Cédric Bosdonnat wrote:
> Uses the new virDomainNetDef ips to set the IP addresses on the network
> interfaces in the container.
> ---
>  src/lxc/lxc_container.c | 19 ++++++++++++++++++-
>  1 file changed, 18 insertions(+), 1 deletion(-)
> 
> diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
> index 8aba3ba..4aeb19c 100644
> --- a/src/lxc/lxc_container.c
> +++ b/src/lxc/lxc_container.c
> @@ -496,7 +496,7 @@ static int
> lxcContainerRenameAndEnableInterfaces(virDomainDefPtr vmDef, char **veths)
>  {
>      int rc = 0;
> -    size_t i;
> +    size_t i, j;
>      char *newname = NULL;
>      virDomainNetDefPtr netDef;
>      bool privNet = vmDef->features[VIR_DOMAIN_FEATURE_PRIVNET] ==
> @@ -517,6 +517,23 @@ static int
> lxcContainerRenameAndEnableInterfaces(virDomainDefPtr vmDef, if (rc < 0)
>              goto error_out;
> 
> +        for (j = 0; j < netDef->nips; j++) {
> +            virDomainNetIpDefPtr ip = netDef->ips[j];
> +            unsigned int prefix = (ip->prefix > 0) ? ip->prefix : 24;

Why is default prefix hardcoded here? I think we should  add a constant for it 
in some common header file.

> +            char *ipStr = virSocketAddrFormat(&ip->address);
> +
> +            VIR_DEBUG("Adding IP address '%s/%u' to '%s'",
> +                      ipStr, ip->prefix, newname);
> +            if (virNetDevSetIPv4Address(newname, &ip->address, prefix) < 0)
> { +                virReportError(VIR_ERR_SYSTEM_ERROR,
> +                               _("Failed to set IP address '%s' on %s"),
> +                               ipStr, newname);
> +                VIR_FREE(ipStr);
> +                goto error_out;
> +            }
> +            VIR_FREE(ipStr);
> +        }
> +
>          VIR_DEBUG("Enabling %s", newname);
>          rc = virNetDevSetOnline(newname, true);
>          if (rc < 0)

-- 
Dmitry Guryanov

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