On 07/03/2012 03:46 PM, Alex Jia wrote:
> On 07/03/2012 02:35 PM, Yu Mingfei wrote:
>> This patch adds a new filefor xml functions.
>>
>> Signed-off-by: Yu Mingfei<yuming...@cn.fujitsu.com>
>> ---
>> client/virt/libvirt_xml_utils.py | 43
>> ++++++++++++++++++++++++++++++++++++++
>> 1 files changed, 43 insertions(+), 0 deletions(-)
>> create mode 100644 client/virt/libvirt_xml_utils.py
>>
>> diff --git a/client/virt/libvirt_xml_utils.py
>> b/client/virt/libvirt_xml_utils.py
>> new file mode 100644
>> index 0000000..84a21b6
>> --- /dev/null
>> +++ b/client/virt/libvirt_xml_utils.py
>> @@ -0,0 +1,43 @@
>> +import logging, os, shutil
>> +from xml.dom.minidom import parse, parseString
>> +from autotest.client.shared import utils, error
>> +import libvirt_vm
from autotest.client.virt import libvirt_vm
>> +
>> +
>> +def create_new_vm(old_vm, newname, params):
>> + """
>> + Create a new vm through an exist vm,the difference is name and uuid.
> It just renames a vm, couldn't virsh edit do this?
>> +
>> + @param old_vm:an exist vm object
>> + @param newname:new vm name
>> + @param params:params dict of your test target
>> + @return:return a vm object
>> + """
>> + oldfile = "/etc/libvirt/qemu/%s.xml" % old_vm.name
>> + newfile = "/etc/libvirt/qemu/%s.xml" % newname
>> + if oldfile == newfile:
>> + logging.info("use old vm.")
>> + return old_vm
>> + shutil.copy(oldfile, newfile)
>> + dom = parse(newfile)
>> + 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(newfile, "w")
>> + dom.writexml(f)
>> + f.close()
>> +
>> + if not os.path.exists(newfile):
>> + raise error.TestError("Failed to create xml file.")
>> +
>> + if params.has_key("uri"):
>> + uri = params.get("uri")
>> + status = libvirt_vm.virsh_define(newfile, uri)
>> + if not status:
>> + os.remove(newfile)
>> + raise error.TestError("Failed to define a VM.")
>> +
>> + new_vm = libvirt_vm.VM(newname, params, old_vm.root_dir,
>> old_vm.address_cache)
>> + return new_vm
>> -- 1.7.1
>>
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