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Re: [libvirt] [PATCH] Allow a HTTP URL for cdrom ISO image



On 08/21/2013 01:51 PM, Daniel P. Berrange wrote:
On Wed, Aug 21, 2013 at 01:47:36PM -0300, Aline Manera wrote:
From: Aline Manera <alinefm br ibm com>

QEMU/KVM already allows an HTTP URL for the cdrom ISO image so add this support
to libvirt as well.
The xml should be as following:

     <disk type='network' device='cdrom'>
       <source protocol='http' name='/url/path'>
         <host name='host.name' port='80'/>
       </source>
     </disk>

Signed-off-by: Aline Manera <alinefm br ibm com>
@@ -8090,7 +8098,13 @@ qemuBuildCommandLine(virConnectPtr conn,
                  break;
              }
- virCommandAddArg(cmd, "-drive");
+            if ((disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) &&
+                (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK)) {
+                virCommandAddArg(cmd, "-cdrom");
+            }
+            else {
+                virCommandAddArg(cmd, "-drive");
+            }
This is not right. -cdrom is legacy syntax we should never be using
anymore.
Right. I will do that using -drive and resend.


/* Unfortunately it is not possible to use
                 -device for floppies, or Xen paravirt
@@ -8135,7 +8149,9 @@ qemuBuildCommandLine(virConnectPtr conn,
                                                 ? 'B' : 'A',
                                                 bootindex);
                      }
-                } else {
+                } else if (disk->device != VIR_DOMAIN_DISK_DEVICE_CDROM ||
+                           (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
+                           disk->type != VIR_DOMAIN_DISK_TYPE_NETWORK)) {
                      virCommandAddArg(cmd, "-device");
This is bogus too for the same reason.


Daniel




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