[libvirt] [PATCHv2 03/16] LXC: set IP addresses to veth devices in the container

Cédric Bosdonnat cbosdonnat at suse.com
Tue Aug 26 13:20:23 UTC 2014


Uses the new virDomainNetDef ips to set the IP addresses on the network
interfaces in the container.
---
 src/lxc/lxc_container.c | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/lxc/lxc_container.c b/src/lxc/lxc_container.c
index 1cf2c8f..ec9d808 100644
--- a/src/lxc/lxc_container.c
+++ b/src/lxc/lxc_container.c
@@ -495,7 +495,7 @@ 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] ==
@@ -516,6 +516,28 @@ 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;
+            virSocketAddr address;
+            int family = AF_INET;
+
+            if (strchr(ip->address, ':'))
+                family = AF_INET6;
+
+            if (virSocketAddrParse(&address, ip->address, family) < 0)
+                goto error_out;
+
+            VIR_DEBUG("Adding IP address '%s/%u' to '%s'",
+                      ip->address, ip->prefix, newname);
+            if (virNetDevSetIPv4Address(newname, &address, prefix) < 0) {
+                virReportError(VIR_ERR_SYSTEM_ERROR,
+                               _("Failed to set IP address '%s' on %s"),
+                               ip->address, newname);
+                goto error_out;
+            }
+        }
+
         VIR_DEBUG("Enabling %s", newname);
         rc = virNetDevSetOnline(newname, true);
         if (rc < 0)
-- 
1.8.4.5




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