Signed-off-by: Yu Mingfei<[email protected]>
---
client/virt/libvirt_xml.py | 38 ++++++++++++++++++++++++++++++++++++++
1 files changed, 38 insertions(+), 0 deletions(-)
diff --git a/client/virt/libvirt_xml.py b/client/virt/libvirt_xml.py
index a0a179d..70580f0 100644
--- a/client/virt/libvirt_xml.py
+++ b/client/virt/libvirt_xml.py
@@ -62,3 +62,41 @@ class LibvirtXML(LibvirtXMLBase):
# protect against accidental modification
super(LibvirtXML, self).__init__(self._XML)
+
+class VMXML(LibvirtXMLBase):
+ """
+ VM's configuration of libvirt XML.
+ """
+
+ def __init__(self, xml):
+ """Return copy of vm's configuration XML"""
+ super(VMXML, self).__init__(xml)
+
+
+def vm_rename(name, new_name):
+ """
+ Rename a vm within libvirt
+
+ @param name: The current name for vm.
+ @param new_name: The new name for vm.
+ """
+
+ if name == new_name or virsh.domain_exists(new_name):
+ raise LibvirtXMLError("Cannot rename a VM to an existing name")
+
+ vm_xml = VMXML(virsh.dumpxml(name))
+ vm_xml.find('name').text = new_name
+ vm_xml.remove(vm_xml.find('uuid'))
+ vm_xml.write()
+
+ if not virsh.undefine(name):
+ logging.error("Undefine %s failed.", name)
+ # backup and temporary files removed automatically
+ raise LibvirtXMLError("Failed to remove VM for renaming")
+ if not virsh.define(vm_xml.name):
+ if not virsh.define(vm_xml.sourcefilename):
+ raise LibvirtXMLError("Failed to restore original VM on "
+ "rename exception.")
+ raise LibvirtXMLError("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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