Test Case: OPNFV_YARDSTICK_TC023: VM availability during live migration

JIRA: YARDSTICK-174

This live migration test case is based on share storage, default share
storage is enabled.
This test case will do some config work. And do live migration and
calculate the migration time and downtime.

Change-Id: I6601601edebdd0ac6434ba632b1eba9e9bd4fda0
Signed-off-by: chenjiankun <chenjiankun1@huawei.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/yardstick/benchmark/scenarios/lib/get_migrate_target_host.py b/yardstick/benchmark/scenarios/lib/get_migrate_target_host.py
new file mode 100644
index 000000000..c19d96d68
--- /dev/null
+++ b/yardstick/benchmark/scenarios/lib/get_migrate_target_host.py
@@ -0,0 +1,56 @@
+
+# ############################################################################
+# Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+# ############################################################################
+
+from __future__ import print_function
+from __future__ import absolute_import
+
+import logging
+
+from yardstick.common import openstack_utils
+from yardstick.common.utils import change_obj_to_dict
+from yardstick.benchmark.scenarios import base
+
+LOG = logging.getLogger(__name__)
+
+
+class GetMigrateTargetHost(base.Scenario):
+    """Get a migrate target host according server
+    """
+
+    __scenario_type__ = "GetMigrateTargetHost"
+
+    def __init__(self, scenario_cfg, context_cfg):
+        self.scenario_cfg = scenario_cfg
+        self.context_cfg = context_cfg
+
+        self.options = self.scenario_cfg.get('options', {})
+        default_instance_id = self.options.get('server', {}).get('id', '')
+        self.instance_id = self.options.get('server_id', default_instance_id)
+
+        self.nova_client = openstack_utils.get_nova_client()
+
+    def run(self, result):
+        current_host = self._get_current_host_name(self.instance_id)
+        target_host = self._get_migrate_host(current_host)
+
+        keys = self.scenario_cfg.get('output', '').split()
+        values = [target_host]
+        return self._push_to_outputs(keys, values)
+
+    def _get_current_host_name(self, server_id):
+
+        return change_obj_to_dict(self.nova_client.servers.get(server_id))['OS-EXT-SRV-ATTR:host']
+
+    def _get_migrate_host(self, current_host):
+        hosts = self.nova_client.hosts.list_all()
+        compute_hosts = [a.host for a in hosts if a.service == 'compute']
+        for host in compute_hosts:
+            if host.strip() != current_host.strip():
+                return host