[Libvirt-cim] [PATCH] [TEST] #2 Adding new tc to cover restart and resume migration scenarios

Deepti B. Kalakeri deeptik at linux.vnet.ibm.com
Wed Apr 8 09:05:32 UTC 2009


# HG changeset patch
# User Deepti B. Kalakeri<deeptik at linux.vnet.ibm.com>
# Date 1239181516 25200
# Node ID fbd3990003091191b34ce74569d07d999b22eb41
# Parent  9fc3064048044e18e14f96d12cadf7a0f8245c07
[TEST] #2 Adding new tc to cover restart and resume migration scenarios .

Updates:
--------
Patch 2:
--------
Included break stmt when cleanup of guest fails.

Tested with KVM and Xen with current sources and rpm.
Signed-off-by: Deepti B. Kalakeri <deeptik at linux.vnet.ibm.com>

diff -r 9fc306404804 -r fbd399000309 suites/libvirt-cim/cimtest/VirtualSystemMigrationService/08_remote_restart_resume_migration.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/suites/libvirt-cim/cimtest/VirtualSystemMigrationService/08_remote_restart_resume_migration.py	Wed Apr 08 02:05:16 2009 -0700
@@ -0,0 +1,189 @@
+#!/usr/bin/python
+#
+# Copyright 2009 IBM Corp.
+#
+# Authors:
+#   Deepti B. Kalakeri <deeptik at linux.vnet.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
+#
+#
+# This testcase is used to verify the resume and restart remote migration.
+#
+#                                                      Date : 05-04-2009 
+#
+
+import sys
+import os
+from  socket import gethostname
+from XenKvmLib import vxml
+from XenKvmLib.xm_virt_util import domain_list, net_list
+from CimTest.Globals import logger
+from XenKvmLib.const import do_main, default_network_name
+from CimTest.ReturnCodes import PASS, FAIL, SKIP
+from XenKvmLib.classes import get_typed_class
+from XenKvmLib.vsmigrations import check_mig_support, local_remote_migrate
+from XenKvmLib.common_util import poll_for_state_change, create_netpool_conf,\
+                                  destroy_netpool
+
+sup_types = ['KVM', 'Xen']
+
+REQUESTED_STATE = 2
+
+def setup_guest(test_dom, ip, virt):
+    virt_xml = vxml.get_class(virt)
+    cxml = virt_xml(test_dom)
+    ret = cxml.cim_define(ip)
+    if not ret:
+        logger.error("Error define domain %s", test_dom)
+        return FAIL, cxml
+
+    status = cxml.cim_start(ip)
+    if status != PASS:
+        cxml.undefine(test_dom)
+        logger.error("Error to start domain %s", test_dom)
+        return FAIL, cxml
+
+    status, dom_cs = poll_for_state_change(ip, virt, test_dom,
+                                           REQUESTED_STATE)
+    if status != PASS:
+        cxml.cim_destroy(test_dom)
+        cxml.undefine(test_dom)
+        logger.error("'%s' didn't change state as expected" % test_dom)
+        return FAIL, cxml
+
+    return PASS, cxml
+
+def cleanup_guest(virt, cxml, test_dom, t_sysname, s_sysname):
+    status = PASS
+    # Clean the domain on target machine.
+    # This is req when migration is successful, also when migration is not
+    # completely successful VM might be created on the target machine 
+    # and hence need to clean.
+    target_list = domain_list(t_sysname, virt)
+    if target_list  != None and test_dom in target_list:
+        ret_value = cxml.destroy(t_sysname)
+        if not ret_value:
+            logger.info("Failed to destroy the migrated domain '%s' on '%s'",
+                         test_dom, t_sysname)
+            status = FAIL
+
+        ret_value = cxml.undefine(t_sysname)
+        if not ret_value:
+            logger.info("Failed to undefine the migrated domain '%s' on '%s'",
+                         test_dom, t_sysname)
+            status = FAIL
+
+    # Remote Migration not Successful, clean the domain on src machine
+    src_list = domain_list(s_sysname, virt)
+    if src_list != None and test_dom in src_list:
+        ret_value = cxml.cim_destroy(s_sysname)
+        if not ret_value:
+            logger.info("Failed to destroy the domain '%s' on the source '%s'",
+                         test_dom, s_sysname)
+            status = FAIL
+
+        ret_value = cxml.undefine(s_sysname)
+        if not ret_value:
+            logger.info("Failed to undefine the domain '%s' on source '%s'",
+                         test_dom, s_sysname)
+            status = FAIL
+
+    return status
+
+def str_status(status):
+    if status == PASS:
+       return 'PASSED'
+    else:
+       return 'FAILED'
+
+ at do_main(sup_types)
+def main():
+    options = main.options
+    virt = options.virt
+    status, s_sysname, t_sysname = check_mig_support(virt, options)
+    if status != PASS:
+        return status
+    
+    status = FAIL
+    test_dom = 'VM_frm_' + gethostname()
+    net_pool_name = default_network_name
+    mig_types = [ 'restart', 'resume' ]
+    status_resume = status_restart = None
+    cxml = None
+
+    try:
+
+        for mig_type in mig_types:
+            logger.info("Executing '%s' migration for '%s' from '%s' to '%s'", 
+                        mig_type, test_dom, s_sysname, t_sysname)
+            status, cxml = setup_guest(test_dom, s_sysname, virt)
+            if status != PASS:
+                logger.error("Error setting up the guest")
+                return status
+
+            # create the networkpool used in the domain to be migrated 
+            # on the target machine.
+            t_net_list = net_list(t_sysname, virt)
+            if t_net_list != None and net_pool_name not in t_net_list:
+                status, netpool = create_netpool_conf(t_sysname, virt, 
+                                                      net_name=net_pool_name)
+                if status != PASS:
+                   raise Exception("Unable to create network pool '%s' on '%s'"
+                                   % (net_pool_name, t_sysname))
+
+            # Migrate the test_dom to t_sysname.
+            # Enable remote migration by setting remote_migrate=1
+            status = local_remote_migrate(s_sysname, t_sysname, virt,
+                                          remote_migrate=1, guest_name=test_dom,
+                                          mtype=mig_type)
+
+            logger.info("'%s' Migration for '%s %s' \n", 
+                        mig_type, test_dom, str_status(status))
+            if mig_type == 'restart' : 
+                status_restart = status
+            else:
+                status_resume = status
+
+            ret = cleanup_guest(virt, cxml, test_dom, t_sysname, s_sysname)
+            if ret != PASS:
+                logger.error("Cleanup failed after '%s' migration", mig_type)
+                break
+
+    except Exception, details:
+        logger.error("Exception details is :%s", details)
+        cleanup_guest(virt, cxml, test_dom, t_sysname, s_sysname)
+        status = FAIL
+
+    # clean the networkpool created on the remote machine
+    target_net_list = net_list(t_sysname, virt)
+    if target_net_list != None and net_pool_name in target_net_list:
+        ret_value = destroy_netpool(t_sysname, virt, net_pool_name)
+        if ret_value != PASS:
+            logger.info("Unable to destroy networkpool '%s' on '%s'",
+                         net_pool_name, t_sysname)
+
+    if status_restart != PASS or status_resume != PASS:
+        status = FAIL
+    else:
+        status = PASS
+
+    logger.info("Test case %s", str_status(status))
+    return status
+
+if __name__ == "__main__":
+    sys.exit(main())
+




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