[Libvirt-cim] [PATCH 1 of 2] [TEST] 32_modify_cdrom_media.py: new test for VirtualSystemManagementService
Wayne Xia
xiawenc at linux.vnet.ibm.com
Tue Oct 11 09:26:25 UTC 2011
tested, good case with nice skills.. But does this case included the
situation that changing media when guest is running?
于 2011-10-1 2:59, Eduardo Lima (Etrunko) 写道:
> suites/libvirt-cim/cimtest/VirtualSystemManagementService/32_modify_cdrom_media.py | 221 ++++++++++
> 1 files changed, 221 insertions(+), 0 deletions(-)
>
>
> # HG changeset patch
> # User Eduardo Lima (Etrunko)<eblima at br.ibm.com>
> # Date 1317409066 10800
> # Node ID 85c624ef88f4e1487f95a5e50674a626a4ebf8f4
> # Parent f4bcd9833525c6914f61e29e9d2d8adbac240682
> [TEST] 32_modify_cdrom_media.py: new test for VirtualSystemManagementService
>
> This test case covers a requirement to change the media in the CDROM using
> libvirt-cim, which is done via a ModifyResourceSettings call.
>
> Signed-off-by: Eduardo Lima (Etrunko)<eblima at br.ibm.com>
>
> diff --git a/suites/libvirt-cim/cimtest/VirtualSystemManagementService/32_modify_cdrom_media.py b/suites/libvirt-cim/cimtest/VirtualSystemManagementService/32_modify_cdrom_media.py
> new file mode 100755
> --- /dev/null
> +++ b/suites/libvirt-cim/cimtest/VirtualSystemManagementService/32_modify_cdrom_media.py
> @@ -0,0 +1,221 @@
> +#!/usr/bin/env python
> +
> +#
> +# Copyright 2011 IBM Corp.
> +#
> +# Authors:
> +# Eduardo Lima (Etrunko)<eblima at br.ibm.com>
> +#
> +# This library is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU General Public
> +# License as published by the Free Software Foundation; either
> +# version 2.1 of the License, or (at your option) any later version.
> +#
> +# This library is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> +# General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public
> +# License along with this library; if not, write to the Free Software
> +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> +#
> +
> +#
> +# Create a domain with cdrom device without media connected.
> +# ModifyResourceSettings call to change the cdrom media
> +#
> +
> +import sys
> +import os
> +import pywbem
> +
> +from CimTest.ReturnCodes import PASS, FAIL, XFAIL, SKIP
> +from CimTest.Globals import logger, CIM_USER, CIM_PASS, CIM_NS
> +from XenKvmLib.const import do_main, _image_dir
> +from XenKvmLib.classes import get_typed_class
> +from XenKvmLib.vxml import get_class
> +
> +supported = ['KVM',]
> +
> +cim = None
> +sys_mgmt_service = None
> +domain = None
> +
> +class CIMDomain(object):
> +
> + def __init__(self, name, virt, server):
> + self.name = name
> + self.server = server
> + self.virt = virt
> + self._domain = get_class(virt)(name)
> + #__init__
> +
> + def define(self):
> + return self._domain.cim_define(self.server)
> + # define
> +
> + def undefine(self):
> + return self._domain.undefine(self.server)
> + # undefine
> +
> + def destroy(self):
> + return self._domain.cim_destroy(self.server)
> + #destroy
> +# CIMDomain
> +
> +
> +def set_device_addr(inst, address):
> + return """
> +instance of %s {
> + InstanceID="%s";
> + ResourceType=%d;
> + PoolID="%s";
> + AllocationUnits="%s";
> + Address="%s";
> + VirtualQuantityUnits="%s";
> + VirtualDevice="%s";
> + EmulatedType=%d;
> + BusType="%s";
> + DriverName="%s";
> + DriverType="%s";
> +};""" % (get_typed_class(domain.virt, "DiskResourceAllocationSettingData"),
> + inst["InstanceID"],
> + inst["ResourceType"],
> + inst["PoolID"],
> + inst["AllocationUnits"],
> + address,
> + inst["VirtualQuantityUnits"],
> + inst["VirtualDevice"],
> + inst["EmulatedType"],
> + inst["BusType"],
> + inst["DriverName"],
> + inst["DriverType"],)
> +# set_device_addr()
> +
> +
> +def modify_media(cim, inst, addr):
> + logger.info("Setting media addr to '%s'", addr)
> +
> + val = set_device_addr(inst, addr)
> + ret = cim.InvokeMethod("ModifyResourceSettings", sys_mgmt_service, **{"ResourceSettings": [val,],})
> +
> + if ret[0]:
> + logger.error("Modifying media: %s", ret)
> + return None
> +
> + inst = cim.GetInstance(ret[1]["ResultingResourceSettings"][0])
> + new_addr = inst["Address"]
> +
> + if new_addr != addr:
> + logger.error("New media '%s' does not match expected '%s'", new_addr, addr)
> + return None
> +
> + return inst
> +# modify_media()
> +
> +
> + at do_main(supported)
> +def main():
> + options = main.options
> + server = options.ip
> + virt = options.virt
> +
> + server_url = "http://%s" % server
> + global cim
> + cim = pywbem.WBEMConnection(server_url, (CIM_USER, CIM_PASS), CIM_NS)
> +
> + _class = get_typed_class(virt, "VirtualSystemManagementService")
> + global sys_mgmt_service
> + sys_mgmt_service = cim.EnumerateInstanceNames(_class)[0]
> +
> + # Create new domain
> + global domain
> + domain = CIMDomain("cimtest_modify_cdrom", virt, server)
> + if not domain.define():
> + logger.error("Error defining test domain")
> + return FAIL
> +
> + logger.info("Domain XML\n%s", domain._domain)
> + # ein KVM_ComputerSystem
> + _class = get_typed_class(virt, "ComputerSystem")
> + computer_system_names = [i for i in cim.EnumerateInstanceNames(_class) if i["Name"] == domain.name]
> +
> + logger.info("ComputerSystem Names\n%s", computer_system_names)
> +
> + if not computer_system_names:
> + logger.info("Host has no domains defined")
> + return SKIP
> +
> + # ain -ac KVM_SystemDevice -arc KVM_LogicalDisk<KVM_ComputerSytem Name>
> + a_class = get_typed_class(virt, "SystemDevice")
> + r_class = get_typed_class(virt, "LogicalDisk")
> + logical_disk_names = []
> +
> + for inst_name in computer_system_names:
> + assoc_names = cim.AssociatorNames(inst_name, AssocClass=a_class, ResultClass=r_class)
> + logical_disk_names.extend(assoc_names)
> +
> + logger.info("LogicalDisk Names\n%s", logical_disk_names)
> +
> + if not logical_disk_names:
> + logger.info("No LogicalDisk instances returned")
> + return FAIL
> +
> + # ai -arc KVM_DiskResourceAllocationSettingData<KVM_LogicalDisk Name>
> + rclass = get_typed_class(virt, "DiskResourceAllocationSettingData")
> + disk_rasd_names = []
> +
> + for inst_name in logical_disk_names:
> + assoc_names = cim.AssociatorNames(inst_name, ResultClass=rclass)
> + disk_rasd_names.extend(assoc_names)
> +
> + logger.info("DiskRASD names\n%s", disk_rasd_names)
> +
> + if not disk_rasd_names:
> + logger.info("No DiskRASD instances returned")
> + return FAIL
> +
> + cdrom_devices = [i for i in disk_rasd_names if cim.GetInstance(i)["EmulatedType"] == 1]
> +
> + logger.info("CDROM devices\n%s", cdrom_devices)
> +
> + if not cdrom_devices:
> + logger.info("No CDROM device found")
> + return FAIL
> +
> + cdrom = cdrom_devices[0]
> + inst = cim.GetInstance(cdrom)
> +
> + for media in ["cdrom01.iso", "cdrom02.iso"]:
> + if not inst:
> + logger.error("Unable to get CDROM device instance")
> + return FAIL
> +
> + # Get current media address
> + old_media = inst["Address"]
> +
> + logger.info("Current CDROM media: '%s'", old_media)
> +
> + if not media and not old_media:
> + logger.info("CDROM device has no media connected")
> + continue
> +
> + # Need to eject first?
> + if media and old_media:
> + inst = modify_media(cim, inst, "")
> +
> + media_path = os.path.join(_image_dir, media)
> + inst = modify_media(cim, inst, media_path)
> +
> + return PASS
> +# main()
> +
> +if __name__ == "__main__":
> + ret = main()
> +
> + if domain:
> + domain.destroy()
> + domain.undefine()
> +
> + sys.exit(ret)
>
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>
--
Best Regards
Wayne Xia
mail:xiawenc at linux.vnet.ibm.com
tel:86-010-82450803
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