Signed-off-by: Yu Mingfei<[email protected]>
---
client/virt/libvirt_xml.py | 30 +++++++++++++++++++++++++++++-
1 files changed, 29 insertions(+), 1 deletions(-)
diff --git a/client/virt/libvirt_xml.py b/client/virt/libvirt_xml.py
index 863022b..f551df8 100644
--- a/client/virt/libvirt_xml.py
+++ b/client/virt/libvirt_xml.py
@@ -11,5 +11,33 @@ class LibvirtXMLVMNameError(LibvirtXMLError):
pass
-class LibvirtXML(xml_utils.XMLBase):
+class LibvirtXML(xml_utils.XMLTreeFile):
pass
+
+
+def vm_rename(name, new_name, uri=""):
+ """
+ Rename a vm within libvirt
+
+ @param name: The current name for the vm.
+ @param new_name: The new name for the vm.
+ """
+ if name == new_name or libvirt_vm.virsh_domain_exists(new_name, uri):
+ raise LibvirtXMLVMNameError("Cannot rename a VM to an existing name")
+
+ vm_xml = LibvirtXML(libvirt_vm.virsh_dumpxml(name, uri=uri))
+ vm_xml.find('name').text = new_name
+ vm_xml.remove(vm_xml.find('uuid'))
+ vm_xml.write()
+
+ if not libvirt_vm.virsh_undefine(name, uri):
+ logging.error("Undefine %s failed.", name)
+ # backup and temporary files removed automatically
+ raise LibvirtXMLVMNameError("Failed to remove VM for renaming")
+ if not libvirt_vm.virsh_define(vm_xml.name, uri):
+ if not libvirt_vm.virsh_define(vm_xml.sourcefilename):
+ raise LibvirtXMLVMNameError("Failed to restore original VM on "
+ "rename exception.")
+ raise LibvirtXMLVMNameError("Failed to rename vm from %s to %s",
+ name, new_name )
+ logging.debug("Sucessfully renamed %s to %s.", name, new_name)
-- 1.7.1
--
Best Regards
Yu Mingfei
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