Source code for compute.admin.test_server_diagnostics

# Copyright 2017 Mirantis Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import time

from tempest.api.compute import base
from tempest.lib import decorators


[docs]class ServerDiagnosticsTest(base.BaseV2ComputeAdminTest): """Test server diagnostics with compute microversion less than 2.48""" min_microversion = None max_microversion = '2.47' @classmethod def setup_clients(cls): super(ServerDiagnosticsTest, cls).setup_clients() cls.client = cls.os_admin.servers_client
[docs] @decorators.idempotent_id('31ff3486-b8a0-4f56-a6c0-aab460531db3') def test_get_server_diagnostics(self): """Test getting server diagnostics""" server_id = self.create_test_server(wait_until='ACTIVE')['id'] diagnostics = self.client.show_server_diagnostics(server_id) # NOTE(snikitin): Before microversion 2.48 response data from each # hypervisor (libvirt, xen, vmware) was different. None of the fields # were equal. As this test is common for libvirt, xen and vmware CI # jobs we can't check any field in the response because all fields are # different. self.assertNotEmpty(diagnostics)
[docs]class ServerDiagnosticsV248Test(base.BaseV2ComputeAdminTest): """Test server diagnostics with compute microversion greater than 2.47""" min_microversion = '2.48' max_microversion = 'latest' @classmethod def setup_clients(cls): super(ServerDiagnosticsV248Test, cls).setup_clients() cls.client = cls.os_admin.servers_client
[docs] @decorators.idempotent_id('64d0d48c-dff1-11e6-bf01-fe55135034f3') def test_get_server_diagnostics(self): """Test getting server diagnostics""" server_id = self.create_test_server(wait_until='ACTIVE')['id'] # Response status and filed types will be checked by json schema self.client.show_server_diagnostics(server_id) # NOTE(snikitin): This is a special case for Xen hypervisor. In Xen # case we're getting diagnostics stats from the RRDs which are updated # every 5 seconds. It means that diagnostics information may be # incomplete during first 5 seconds of VM life. In such cases methods # which get diagnostics stats from Xen may raise exceptions or # return `NaN` values. Such behavior must be handled correctly. # Response must contain all diagnostics fields (may be with `None` # values) and response status must be 200. Line above checks it by # json schema. time.sleep(10) diagnostics = self.client.show_server_diagnostics(server_id) # NOTE(snikitin): After 10 seconds diagnostics fields must contain # not None values. But we will check only "memory_details.maximum" # field because only this field meets all the following conditions: # 1) This field may be unset because of Xen 5 seconds timeout. # 2) This field is present in responses from all three supported # hypervisors (libvirt, xen, vmware). self.assertIsNotNone(diagnostics['memory_details']['maximum'])