On 07/11/2012 10:39 AM, Yu Mingfei wrote:
> On 7/10/2012 11:44 PM, Alex Jia wrote:
>> As I said, virsh domname case should receive different id or uuid
>> rather than different domain name, so I thinks it's irrelevant with
>> this case.
> I will discuss with my partner.Thanks for your comment.^^
>
>>
>> In addition, as we discussed, if you want to operate XML, you should
>> spit it into libvirt_xml relevant module, I think it should be common
>> function for XML's adding, deleting, searching, modifying.
> I have thought about it.
> But I do not know where I should put rename_xml_utils() in.
> If you have idea about it, tell me please.^_^
It should be common class or function for guest, network, storage, etc
XML configuration adding/deleting/searching/modifying, for example:
class VMXmlUtils():
def __init__(self, vm_xml):
self.xml = vm_xml
def add(self, cxt):
XXXXXXX
def delete(self, cxt):
XXXXXXX
def search(self, cxt):
XXXXXXX
def modify(self, cxt):
XXXXXXX
class NetworkXmlUtils():
XXXXXX
Of course, it's just my thought, maybe, other guys have better idea or
advise.
>
> BTW, do you have objection with vm.rename()?
vm.rename() is fine for me, It just is irrelevant with this case.
> I will use it in later patchs, for example, virsh schedinfo <vm_name
> or id>.
> vm_name will be changed to different type for command "virsh
> schedinfo"'s test.
could you explain more? I think it should be different guest, if you
just rename guest without modifying others then virsh schedinfo will get
the same 'cpu_shares', 'vcpu_period' and 'vcpu_quota'. if you want to
change guest relevant XML configuration without any affect on guest,
maybe, snapshot or clone is a good idea. What do you think?
>
>>
>> Alex
>>
>> ----- Original Message -----
>> From: "Yu Mingfei"<[email protected]>
>> To: "Chris Evich"<[email protected]>, "Lucas Meneghel
>> Rodrigues"<[email protected]>, "Alex Jia"<[email protected]>
>> Cc: [email protected]
>> Sent: Tuesday, July 10, 2012 8:59:34 AM
>> Subject: [PATCH 1/3]Add virsh domname testcases for libvirt
>>
>> This patch add a function rename to VM class.
>> Rename() changes VM's name to a new name.
>>
>> Signed-off-by: Yu Mingfei<[email protected]>
>> ---
>> client/virt/libvirt_vm.py | 60
>> +++++++++++++++++++++++++++++++++++++++++++++
>> 1 files changed, 60 insertions(+), 0 deletions(-)
>>
>> diff --git a/client/virt/libvirt_vm.py b/client/virt/libvirt_vm.py
>> index d97ac0c..e2d0daf 100644
>> --- a/client/virt/libvirt_vm.py
>> +++ b/client/virt/libvirt_vm.py
>> @@ -1597,3 +1597,63 @@ class VM(virt_vm.BaseVM):
>> Override BaseVM restore_from_file method
>> """
>> virsh_restore(self.name, path, uri=self.connect_uri)
>> +
>> +
>> + def rename(self, newname):
>> + """
>> + Rename this vm.
>> + @param newname:new name of vm.
>> + @return:True or False
>> + """
>> + def rename_xml_utils(xml_path, newname):
>> + """
>> + Modify name in an xml file.
>> + @param xml_path:xml file path
>> + """
>> + dom = minidom.parse(xml_path)
>> + root = dom.documentElement
>> + node_name = root.getElementsByTagName("name")[0]
>> + node_name.firstChild.data = "%s" % newname
>> + node_uuid = root.getElementsByTagName("uuid")[0]
>> + root.removeChild(node_uuid)
>> + f=open(xml_path, "w")
>> + dom.writexml(f)
>> + f.close()
>> +
>> + if self.name == newname:
>> + logging.error("Error:Please give a different name with
>> current.")
>> + return False
>> +
>> + #Create a new xml file for new vm
>> + new_vm_tmp_xml = self.backup_xml()
>> + try:
>> + rename_xml_utils(new_vm_tmp_xml, newname)
>> + except Exception, detail:
>> + logging.error("Error:Edit xml failed: %s", detail)
>> + if os.path.exists(new_vm_tmp_xml):
>> + os.remove(new_vm_tmp_xml)
>> + return False
>> +
>> + #Undefine old vm and define new vm
>> + old_vm_tmp_xml = self.backup_xml()
>> + if not self.undefine():
>> + logging.error("Error:Undefine %s failed.", self.name)
>> + if os.path.exists(new_vm_tmp_xml):
>> + os.remove(new_vm_tmp_xml)
>> + if os.path.exists(old_vm_tmp_xml):
>> + os.remove(old_vm_tmp_xml)
>> + return False
>> + if not self.define(new_vm_tmp_xml):
>> + logging.error("Error:Define %s failed.", newname)
>> + self.define(old_vm_tmp_xml)
>> + return False
>> + logging.debug("Rename %s to %s succeed.", self.name, newname)
>> + self.name = newname
>> +
>> + #delete tmp files
>> + if os.path.exists(new_vm_tmp_xml):
>> + os.remove(new_vm_tmp_xml)
>> + if os.path.exists(old_vm_tmp_xml):
>> + os.remove(old_vm_tmp_xml)
>> + return True
>> +
>> -- 1.7.1
>>
>>
>>
>
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