KVM test: Add a new (optional) extra param to VM, cdrom_extra

In order to support windows install through unattended method
(we need to setup rss.exe on the hosts), add an additional
(and optional) parameter to tests, cdrom_extra, to make
possible to boot a VM with 2 CDs.

Signed-off-by: Lucas Meneghel Rodrigues <lmr@redhat.com


git-svn-id: http://test.kernel.org/svn/autotest/trunk@4139 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/client/tests/kvm/kvm_vm.py b/client/tests/kvm/kvm_vm.py
index ed6d5ad..483204c 100755
--- a/client/tests/kvm/kvm_vm.py
+++ b/client/tests/kvm/kvm_vm.py
@@ -268,7 +268,15 @@
         iso = params.get("cdrom")
         if iso:
             iso = kvm_utils.get_path(root_dir, iso)
-            qemu_cmd += " -cdrom %s" % iso
+            qemu_cmd += " -drive file=%s,index=2,media=cdrom" % iso
+
+        # Even though this is not a really scalable approach,
+        # it doesn't seem like we are going to need more than
+        # 2 CDs active on the same VM.
+        iso_extra = params.get("cdrom_extra")
+        if iso_extra:
+            iso_extra = kvm_utils.get_path(root_dir, iso_extra)
+            qemu_cmd += " -drive file=%s,index=3,media=cdrom" % iso_extra
 
         # We may want to add {floppy_otps} parameter for -fda
         # {fat:floppy:}/path/. However vvfat is not usually recommended