[Libvirt-cim] [PATCH 1/4] cimtest - VLAN extension - add basic functions

this file adding basic functions for configuration of host network Signed-off-by: Wayne Xia <xiawenc(a)linux.vnet.ibm.com&gt; --- suites/libvirt-cim/lib/XenKvmLib/host_network.py | 410 ++++++++++++++++++++++ 1 files changed, 410 insertions(+), 0 deletions(-) create mode 100644 suites/libvirt-cim/lib/XenKvmLib/host_network.py diff --git a/suites/libvirt-cim/lib/XenKvmLib/host_network.py b/suites/libvirt-cim/lib/XenKvmLib/host_network.py new file mode 100644 index 0000000..d74b711 --- /dev/null +++ b/suites/libvirt-cim/lib/XenKvmLib/host_network.py @@ -0,0 +1,410 @@ +#!/usr/bin/env python + +# +# Copyright 2011 IBM Corp. +# +# Authors: +# Wenchao Xia (Wayne) <xiawenc(a)cn.ibm.com&gt; +# +# 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 +# + +# This file have basic functions for testing of host network in libvirt-cim + + +import sys +import os +import pywbem + +from CimTest.Globals import logger, CIM_USER, CIM_PASS, CIM_NS +from XenKvmLib.classes import get_typed_class +from XenKvmLib.vxml import get_class + +network_clas_prefix = "Net" +vesssd_parent = "Virt" +vs_prefix = "VS_" +ea_prefix = "EA_" +ec_prefix = "EC_" +delimiter_System = """:""" +delimiter_Device = """/""" + +vess_cls_name = "Net_VirtualEthernetSwitchSystem" +vessms_cls_name = "VirtualEthernetSwitchSystemManagementService" +vesssd_cls_name = "Net_VirtualEthernetSwitchSystemSettingData" +easd_cls_name = "Net_EthernetPortAllocationSettingData" + +vlan_8021q_type = 1 + +bridge_pNIC = "test_br1" +bridge_name = """%s%s""" % (vs_prefix, bridge_pNIC) +bridge_stp = 0 +bridge_stp_modify = 1 + + +def set_vs_define(inst): + return """ +instance of %s { + VirtualSystemIdentifier="%s"; + STP=%d; +};""" % (vesssd_cls_name, + inst["VirtualSystemIdentifier"], + inst["STP"],) + +def set_vs_modify(inst): + return """ +instance of %s { + VirtualSystemIdentifier="%s"; + STP=%d; +};""" % (vesssd_cls_name, + inst["VirtualSystemIdentifier"], + inst["STP"],) + + +def set_vs_destroy(inst): + inst = pywbem.CIMInstanceName(classname=vess_cls_name, keybindings=pywbem.NocaseDict({'CreationClassName': vess_cls_name, 'Name': inst["Name"]})) + return inst + +def get_vessms(cim): + virt = network_clas_prefix + _class = get_typed_class(virt, vessms_cls_name) + sys_mgmt_service = cim.EnumerateInstanceNames(_class)[0] + #it is not supposed to fail here, the enum of VESSMS is very simple + logger.info("got vessms as: %s.", sys_mgmt_service) + return sys_mgmt_service + +def check_vesssd(cim, targetInst, compareAll = False): + #check the result + _class = vesssd_cls_name + vesssd = cim.EnumerateInstances(_class) + targetID = targetInst["Name"] + instanceList = "" + found = 0 + for inst in vesssd: + items = inst.items() + instanceList += str(items)+ "\n" + (prefix, ID) = inst["InstanceID"].split(":",1) + cmp_ret = cmp(ID, targetID) or cmp(prefix, vesssd_parent) + if cmp_ret == 0: + logger.info("found the device., it is :\n %s", str(items)) + if compareAll == False : + found = 1 + else : + if inst["STP"] == targetInst["STP"]: + found = 1 + #logger.info("search for %s, found is %d, list is: \n%s", _class, found, instanceList) + logger.info("target vesssd searching result is %d.", found) + return found + +def try_delete_vs(cim, sys_mgmt_service, inst): + #delete the bridge + val = set_vs_destroy(inst) + method = "DestroySystem" + par_name = "AffectedSystem" + param = {par_name: val} + logger.info("trying method %s of %s with parameter:\n %s", method, sys_mgmt_service, param) + ret = cim.InvokeMethod(method, sys_mgmt_service, **param) + found = check_vesssd(cim, inst) + if found == 1 : + return 0 + else : + return 1 + +def try_create_vs(cim, sys_mgmt_service, inst): + #Check the Env + found = check_vesssd(cim, inst) + if found == 1: + logger.info("device exist, trying delete it"); + ret = try_delete_vs(cim, sys_mgmt_service, inst) + if ret != 1: + return 0 + + #add the bridge + val = set_vs_define(inst) + method = "DefineSystem" + logger.info("try method %s of %s with parameter %s", method, sys_mgmt_service, val) + ret = cim.InvokeMethod(method, sys_mgmt_service, **{"SystemSettings": val}) + found = check_vesssd(cim, inst) + if found == 1 : + return 1 + else : + return 0 + +def try_modify_vs(cim, sys_mgmt_service, inst): + #modify the bridge + val = set_vs_modify(inst) + method = "ModifySystemSettings" + par_name = "SystemSettings" + param = {par_name: val} + logger.info("trying method %s of %s with parameter:\n %s", method, sys_mgmt_service, param) + ret = cim.InvokeMethod(method, sys_mgmt_service, **param) + found = check_vesssd(cim, inst, True) + if found == 1 : + return 1 + else : + return 0 + + +#inst should be: +#{'Parent': "eth0", 'VLanID':10, 'ReorderHdr':1, 'Ingress':"1:2 2:3", 'Egress':'2:4'} +def set_ea_add_8021q(inst): + ParentSystem = """%s%s""" % (vs_prefix, inst['Parent']) + AffectedID = """%s%s%s""" % (vesssd_parent, delimiter_System, ParentSystem) + AffectedConfiguration = pywbem.CIMInstanceName(classname= vesssd_cls_name, keybindings=pywbem.NocaseDict({'InstanceID': AffectedID})) + EA_ID = """%s%s.%d""" % (ea_prefix, inst['Parent'], inst['VLanID']) + InstanceID_EA = """%s%s%s""" % (ParentSystem, delimiter_Device, EA_ID) + ea1 = """ +instance of %s { + InstanceID ="%s"; + VLANType = %d; + Connection = {"VLAN%d"}; + ReorderHdr = %d; + VLANQosIngress = "%s"; + VLANQosEgress = "%s"; +};""" % (easd_cls_name, + InstanceID_EA, + vlan_8021q_type, + inst["VLanID"], + inst["ReorderHdr"], + inst["Ingress"], + inst["Egress"]) + final_param = {"AffectedConfiguration" : AffectedConfiguration, "ResourceSettings" : [ea1,]} + return final_param + +def set_ea_mod_8021q(inst): + ParentSystem = """%s%s""" % (vs_prefix, inst['Parent']) + EA_ID = """%s%s.%d""" % (ea_prefix, inst['Parent'], inst['VLanID']) + InstanceID_EA = """%s%s%s""" % (ParentSystem, delimiter_Device, EA_ID) + ea1 = """ +instance of %s { + InstanceID ="%s"; + VLANType = %d; + Connection = {"VLAN%d"}; + ReorderHdr = %d; + VLANQosIngress = "%s"; + VLANQosEgress = "%s"; +};""" % (easd_cls_name, + InstanceID_EA, + vlan_8021q_type, + inst["VLanID"], + inst["ReorderHdr"], + inst["Ingress"], + inst["Egress"]) + final_param = {"ResourceSettings" : [ea1,]} + return final_param + +def set_ea_del_8021q(inst): + ParentSystem = """%s%s""" % (vs_prefix, inst['Parent']) + EA_ID = """%s%s.%d""" % (ea_prefix, inst['Parent'], inst['VLanID']) + InstanceID_EA = """%s%s%s""" % (ParentSystem, delimiter_Device, EA_ID) + del_ref = pywbem.CIMInstanceName(classname= easd_cls_name, keybindings=pywbem.NocaseDict({'InstanceID': InstanceID_EA})) + final_param = {"ResourceSettings" : [del_ref,],} + return final_param + + +def check_easd_ea(cim, targetInst, compareAll = False): + #check the result + _class = easd_cls_name + easds = cim.EnumerateInstances(_class) + + inst = targetInst + ParentSystem = """%s%s""" % (vs_prefix, inst['Parent']) + EA_ID = """%s%s.%d""" % (ea_prefix, inst['Parent'], inst['VLanID']) + InstanceID_EA = """%s%s%s""" % (ParentSystem, delimiter_Device, EA_ID) + vlanstr = """VLAN%d""" % (inst['VLanID']) + + instanceList = "" + found = 0 + for inst in easds: + items = inst.items() + instanceList += str(items)+ "\n" + cmp_ret = cmp(inst["InstanceID"], InstanceID_EA) + if cmp_ret == 0: + logger.info("found the device., it is :\n %s", str(items)) + if compareAll == False : + cmp_ret = cmp(inst["Connection"][0], vlanstr) + if cmp_ret == 0: + found = 1 + else : + found = 1 + if inst["ReorderHdr"] != targetInst["ReorderHdr"]: + found = 0 + cmp_ret = cmp(inst["VLANQosIngress"], targetInst["Ingress"]) + if cmp_ret != 0 : + found = 0 + cmp_ret = cmp(inst["VLANQosEgress"], targetInst["Egress"]) + if cmp_ret != 0 : + found = 0 + #logger.info("search for %s, found is %d, list is: \n%s", _class, found, instanceList) + logger.info("target easd searching result is %d.", found) + return found + +def try_del_ea(cim, sys_mgmt_service, inst): + param = set_ea_del_8021q(inst) + method = "RemoveResourceSettings" + logger.info("trying method %s of %s with parameter:\n %s", method, sys_mgmt_service, param) + ret = cim.InvokeMethod(method, sys_mgmt_service, **param) + found = check_easd_ea(cim, inst) + if found == 1 : + return 0 + else : + return 1 + +def try_mod_ea(cim, sys_mgmt_service, inst): + param = set_ea_mod_8021q(inst) + method = "ModifyResourceSettings" + logger.info("trying method %s of %s with parameter:\n %s", method, sys_mgmt_service, param) + ret = cim.InvokeMethod(method, sys_mgmt_service, **param) + found = check_easd_ea(cim, inst, True) + if found == 1 : + return 1 + else : + return 0 + + +def try_add_ea(cim, sys_mgmt_service, inst): + #Check the Env + found = check_easd_ea(cim, inst) + if found == 1: + logger.info("device exist, trying delete it"); + ret = try_del_ea(cim, sys_mgmt_service, inst) + if ret != 1: + return 0 + + param = set_ea_add_8021q(inst) + method = "AddResourceSettings" + logger.info("trying method %s of %s with parameter:\n %s", method, sys_mgmt_service, param) + ret = cim.InvokeMethod(method, sys_mgmt_service, **param) + found = check_easd_ea(cim, inst) + if found == 1 : + return 1 + else : + return 0 + + +#inst should be: +#{'ParentBridge': "eth0", 'EthPort':eth0.10, 'TargetBridge': "test_br"} +def set_ec_add(inst): + ParentSystem = """%s%s""" % (vs_prefix, inst['ParentBridge']) + TargetSystem = """%s%s""" % (vs_prefix, inst['TargetBridge']) + AffectedID = """%s%s%s""" % (vesssd_parent, delimiter_System, ParentSystem) + AffectedConfiguration = pywbem.CIMInstanceName(classname= vesssd_cls_name, keybindings=pywbem.NocaseDict({'InstanceID': AffectedID})) + EA_ID = """%s%s""" % (ea_prefix, inst['EthPort']) + EC_ID = """%s%s""" % (ec_prefix, inst['EthPort']) + InstanceID_EA = """%s%s%s""" % (ParentSystem, delimiter_Device, EA_ID) + InstanceID_EC = """%s%s%s""" % (ParentSystem, delimiter_Device, EC_ID) + ea1 = """ +instance of %s { + InstanceID ="%s"; + HostResource = {"%s"}; + Parent = "%s"; +};""" % (easd_cls_name, + InstanceID_EC, + TargetSystem, + InstanceID_EA) + final_param = {"AffectedConfiguration" : AffectedConfiguration, "ResourceSettings" : [ea1,]} + return final_param + +def set_ec_del(inst): + ParentSystem = """%s%s""" % (vs_prefix, inst['ParentBridge']) + EC_ID = """%s%s""" % (ec_prefix, inst['EthPort']) + InstanceID_EC = """%s%s%s""" % (ParentSystem, delimiter_Device, EC_ID) + del_ref = pywbem.CIMInstanceName(classname= easd_cls_name, keybindings=pywbem.NocaseDict({'InstanceID': InstanceID_EC})) + final_param = {"ResourceSettings" : [del_ref,],} + return final_param + +def check_easd_ec(cim, targetInst, compareAll = False): + #check the result + _class = easd_cls_name + easds = cim.EnumerateInstances(_class) + + inst = targetInst + ParentSystem = """%s%s""" % (vs_prefix, inst['ParentBridge']) + TargetSystem = """%s%s""" % (vs_prefix, inst['TargetBridge']) + EC_ID = """%s%s""" % (ec_prefix, inst['EthPort']) + InstanceID_EC0 = """%s%s%s""" % (ParentSystem, delimiter_Device, EC_ID) + InstanceID_EC1 = """%s%s%s""" % (TargetSystem, delimiter_Device, EC_ID) + + instanceList = "" + EC0_found = 0 + EC1_found = 0 + for inst in easds: + items = inst.items() + instanceList += str(items)+ "\n" + cmp_ret = cmp(inst["InstanceID"], InstanceID_EC0) + if cmp_ret == 0: + logger.info("found the ec0., it is :\n %s", str(items)) + EC0_found = 1 + else : + cmp_ret = cmp(inst["InstanceID"], InstanceID_EC1) + if cmp_ret == 0: + logger.info("found the ec1., it is :\n %s", str(items)) + EC1_found = 1 + #logger.info("search for %s, list is: \n%s", _class, instanceList) + found = EC0_found and EC1_found + logger.info("target easd_ec searching result is %d and %d.", EC0_found, EC1_found) + if EC0_found != EC1_found : + logger.info("not all ec found as expected.") + found = -1 + return found + +def try_del_ec(cim, sys_mgmt_service, inst): + param = set_ec_del(inst) + method = "RemoveResourceSettings" + logger.info("trying method %s of %s with parameter:\n %s", method, sys_mgmt_service, param) + ret = cim.InvokeMethod(method, sys_mgmt_service, **param) + found = check_easd_ec(cim, inst) + if found == 0 : + return 1 + else : + return 0 + +def try_add_ec(cim, sys_mgmt_service, inst): + #Check the Env + found = check_easd_ec(cim, inst) + if found != 0: + logger.info("device exist, trying delete it"); + ret = try_del_ec(cim, sys_mgmt_service, inst) + if ret != 1: + return 0 + + param = set_ec_add(inst) + method = "AddResourceSettings" + logger.info("trying method %s of %s with parameter:\n %s", method, sys_mgmt_service, param) + ret = cim.InvokeMethod(method, sys_mgmt_service, **param) + found = check_easd_ec(cim, inst) + if found == 1 : + return 1 + else : + return 0 + +def FoundOnePNIC(cim): + #check the result + _class = vesssd_cls_name + vesssd = cim.EnumerateInstances(_class) + EthList = [] + found = 0 + for inst in vesssd: + (prefix, ID) = inst["InstanceID"].split(":",1) + if ID.find(vs_prefix) == 0 : + realname = ID[len(vs_prefix):] + if realname.find("eth") == 0 and realname.find(".") == -1 : + found = 1 + EthList.append(realname) + #logger.info("search for %s, found is %d, list is: \n%s", _class, found, instanceList) + ret_name = None + if found == 1 : + ret_name = EthList[0] + logger.info("pNIC searching result is %d, list %s, ret is %s.", found, EthList, ret_name) + return ret_name -- 1.7.6