[KVM-AUTOTEST PATCH 7/8] Add new function, VM.clone() to clone an existing VM

[Lucas Meneghel Rodrigues <lmr@redhat.com>]

This method will be useful when writing functional tests.

Risk: Low (new method of the kvm test API)
Visibility: Low (kvm test developers will have an additional
API to use)

Signed-off-by: Michael Goldish <mgoldish@redhat.com>
---
 client/tests/kvm/kvm_vm.py |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/client/tests/kvm/kvm_vm.py b/client/tests/kvm/kvm_vm.py
index 3001648..b81c0df 100644
--- a/client/tests/kvm/kvm_vm.py
+++ b/client/tests/kvm/kvm_vm.py
@@ -126,6 +126,25 @@ class VM:
                 break
 
 
+    def clone(self, name=None, params=None, qemu_path=None, image_dir=None, iso_dir=None):
+        """Return a clone of the VM object with optionally modified parameters.
+
+        The clone is initially not alive and needs to be started using create().
+        Any parameters not passed to this function are copied from the source VM.
+        """
+        if name == None:
+            name = self.name
+        if params == None:
+            params = self.params.copy()
+        if qemu_path == None:
+            qemu_path = self.qemu_path
+        if image_dir == None:
+            image_dir = self.image_dir
+        if iso_dir == None:
+            iso_dir = self.iso_dir
+        return VM(name, params, qemu_path, image_dir, iso_dir)
+
+
     def verify_process_identity(self):
         """
         Make sure .pid really points to the original qemu process. If .pid
-- 
1.6.2.2