345 lines
13 KiB
Python
345 lines
13 KiB
Python
# Copyright (c) 2011 OpenStack, LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from lxml import etree
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import webob.exc
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from nova.api.openstack.compute.contrib import hosts as os_hosts
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from nova.compute import power_state
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from nova.compute import vm_states
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from nova import context
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from nova import db
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from nova.openstack.common import log as logging
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from nova import test
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LOG = logging.getLogger(__name__)
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HOST_LIST = {"hosts": [
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{"host_name": "host_c1", "service": "compute", "zone": "nova"},
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{"host_name": "host_c2", "service": "compute", "zone": "nonova"},
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{"host_name": "host_v1", "service": "volume", "zone": "nova"},
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{"host_name": "host_v2", "service": "volume", "zone": "nonova"}]
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}
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HOST_LIST_NOVA_ZONE = [
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{"host_name": "host_c1", "service": "compute", "zone": "nova"},
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{"host_name": "host_v1", "service": "volume", "zone": "nova"}]
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SERVICES_LIST = [
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{"host": "host_c1", "topic": "compute", "availability_zone": "nova"},
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{"host": "host_c2", "topic": "compute", "availability_zone": "nonova"},
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{"host": "host_v1", "topic": "volume", "availability_zone": "nova"},
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{"host": "host_v2", "topic": "volume", "availability_zone": "nonova"}]
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def stub_service_get_all(self, req):
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return SERVICES_LIST
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def stub_set_host_enabled(context, host, enabled):
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# We'll simulate success and failure by assuming
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# that 'host_c1' always succeeds, and 'host_c2'
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# always fails
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fail = (host == "host_c2")
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status = "enabled" if (enabled != fail) else "disabled"
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return status
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def stub_set_host_maintenance(context, host, mode):
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# We'll simulate success and failure by assuming
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# that 'host_c1' always succeeds, and 'host_c2'
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# always fails
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fail = (host == "host_c2")
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maintenance = "on_maintenance" if (mode != fail) else "off_maintenance"
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return maintenance
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def stub_host_power_action(context, host, action):
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return action
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def _create_instance(**kwargs):
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"""Create a test instance"""
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ctxt = context.get_admin_context()
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return db.instance_create(ctxt, _create_instance_dict(**kwargs))
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def _create_instance_dict(**kwargs):
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"""Create a dictionary for a test instance"""
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inst = {}
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inst['image_ref'] = 'cedef40a-ed67-4d10-800e-17455edce175'
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inst['reservation_id'] = 'r-fakeres'
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inst['user_id'] = kwargs.get('user_id', 'admin')
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inst['project_id'] = kwargs.get('project_id', 'fake')
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inst['instance_type_id'] = '1'
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if 'host' in kwargs:
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inst['host'] = kwargs.get('host')
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inst['vcpus'] = kwargs.get('vcpus', 1)
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inst['memory_mb'] = kwargs.get('memory_mb', 20)
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inst['root_gb'] = kwargs.get('root_gb', 30)
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inst['ephemeral_gb'] = kwargs.get('ephemeral_gb', 30)
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inst['vm_state'] = kwargs.get('vm_state', vm_states.ACTIVE)
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inst['power_state'] = kwargs.get('power_state', power_state.RUNNING)
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inst['task_state'] = kwargs.get('task_state', None)
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inst['availability_zone'] = kwargs.get('availability_zone', None)
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inst['ami_launch_index'] = 0
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inst['launched_on'] = kwargs.get('launched_on', 'dummy')
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return inst
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class FakeRequest(object):
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environ = {"nova.context": context.get_admin_context()}
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GET = {}
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class FakeRequestWithNovaZone(object):
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environ = {"nova.context": context.get_admin_context()}
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GET = {"zone": "nova"}
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class HostTestCase(test.TestCase):
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"""Test Case for hosts."""
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def setUp(self):
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super(HostTestCase, self).setUp()
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self.controller = os_hosts.HostController()
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self.req = FakeRequest()
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self.stubs.Set(db, 'service_get_all',
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stub_service_get_all)
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self.stubs.Set(self.controller.api, 'set_host_enabled',
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stub_set_host_enabled)
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self.stubs.Set(self.controller.api, 'set_host_maintenance',
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stub_set_host_maintenance)
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self.stubs.Set(self.controller.api, 'host_power_action',
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stub_host_power_action)
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def _test_host_update(self, host, key, val, expected_value):
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body = {key: val}
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result = self.controller.update(self.req, host, body=body)
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self.assertEqual(result[key], expected_value)
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def test_list_hosts(self):
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"""Verify that the compute hosts are returned."""
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hosts = os_hosts._list_hosts(self.req)
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self.assertEqual(hosts, HOST_LIST['hosts'])
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compute_hosts = os_hosts._list_hosts(self.req, "compute")
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expected = [host for host in HOST_LIST['hosts']
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if host["service"] == "compute"]
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self.assertEqual(compute_hosts, expected)
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def test_list_hosts_with_zone(self):
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req = FakeRequestWithNovaZone()
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hosts = os_hosts._list_hosts(req)
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self.assertEqual(hosts, HOST_LIST_NOVA_ZONE)
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def test_disable_host(self):
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self._test_host_update('host_c1', 'status', 'disable', 'disabled')
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self._test_host_update('host_c2', 'status', 'disable', 'enabled')
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def test_enable_host(self):
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self._test_host_update('host_c1', 'status', 'enable', 'enabled')
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self._test_host_update('host_c2', 'status', 'enable', 'disabled')
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def test_enable_maintenance(self):
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self._test_host_update('host_c1', 'maintenance_mode',
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'enable', 'on_maintenance')
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def test_disable_maintenance(self):
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self._test_host_update('host_c1', 'maintenance_mode',
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'disable', 'off_maintenance')
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def test_host_startup(self):
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result = self.controller.startup(self.req, "host_c1")
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self.assertEqual(result["power_action"], "startup")
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def test_host_shutdown(self):
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result = self.controller.shutdown(self.req, "host_c1")
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self.assertEqual(result["power_action"], "shutdown")
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def test_host_reboot(self):
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result = self.controller.reboot(self.req, "host_c1")
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self.assertEqual(result["power_action"], "reboot")
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def test_bad_status_value(self):
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bad_body = {"status": "bad"}
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self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
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self.req, "host_c1", body=bad_body)
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bad_body2 = {"status": "disablabc"}
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self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
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self.req, "host_c1", body=bad_body2)
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def test_bad_update_key(self):
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bad_body = {"crazy": "bad"}
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self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
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self.req, "host_c1", body=bad_body)
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def test_bad_update_key_and_correct_udpate_key(self):
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bad_body = {"status": "disable", "crazy": "bad"}
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self.assertRaises(webob.exc.HTTPBadRequest, self.controller.update,
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self.req, "host_c1", body=bad_body)
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def test_good_udpate_keys(self):
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body = {"status": "disable", "maintenance_mode": "enable"}
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result = self.controller.update(self.req, 'host_c1', body=body)
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self.assertEqual(result["host"], "host_c1")
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self.assertEqual(result["status"], "disabled")
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self.assertEqual(result["maintenance_mode"], "on_maintenance")
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def test_bad_host(self):
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self.assertRaises(webob.exc.HTTPNotFound, self.controller.update,
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self.req, "bogus_host_name", body={"status": "disable"})
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def test_show_forbidden(self):
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self.req.environ["nova.context"].is_admin = False
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dest = 'dummydest'
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self.assertRaises(webob.exc.HTTPForbidden,
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self.controller.show,
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self.req, dest)
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self.req.environ["nova.context"].is_admin = True
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def test_show_host_not_exist(self):
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"""A host given as an argument does not exists."""
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self.req.environ["nova.context"].is_admin = True
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dest = 'dummydest'
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self.assertRaises(webob.exc.HTTPNotFound,
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self.controller.show,
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self.req, dest)
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def _create_compute_service(self):
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"""Create compute-manager(ComputeNode and Service record)."""
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ctxt = context.get_admin_context()
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dic = {'host': 'dummy', 'binary': 'nova-compute', 'topic': 'compute',
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'report_count': 0, 'availability_zone': 'dummyzone'}
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s_ref = db.service_create(ctxt, dic)
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dic = {'service_id': s_ref['id'],
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'vcpus': 16, 'memory_mb': 32, 'local_gb': 100,
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'vcpus_used': 16, 'memory_mb_used': 32, 'local_gb_used': 10,
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'hypervisor_type': 'qemu', 'hypervisor_version': 12003,
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'cpu_info': '', 'stats': {}}
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db.compute_node_create(ctxt, dic)
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return db.service_get(ctxt, s_ref['id'])
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def test_show_no_project(self):
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"""No instance are running on the given host."""
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ctxt = context.get_admin_context()
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s_ref = self._create_compute_service()
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result = self.controller.show(self.req, s_ref['host'])
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proj = ['(total)', '(used_now)', '(used_max)']
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column = ['host', 'project', 'cpu', 'memory_mb', 'disk_gb']
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self.assertEqual(len(result['host']), 3)
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for resource in result['host']:
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self.assertTrue(resource['resource']['project'] in proj)
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self.assertEqual(len(resource['resource']), 5)
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self.assertTrue(set(resource['resource'].keys()) == set(column))
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db.service_destroy(ctxt, s_ref['id'])
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def test_show_works_correctly(self):
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"""show() works correctly as expected."""
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ctxt = context.get_admin_context()
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s_ref = self._create_compute_service()
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i_ref1 = _create_instance(project_id='p-01', host=s_ref['host'])
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i_ref2 = _create_instance(project_id='p-02', vcpus=3,
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host=s_ref['host'])
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result = self.controller.show(self.req, s_ref['host'])
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proj = ['(total)', '(used_now)', '(used_max)', 'p-01', 'p-02']
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column = ['host', 'project', 'cpu', 'memory_mb', 'disk_gb']
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self.assertEqual(len(result['host']), 5)
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for resource in result['host']:
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self.assertTrue(resource['resource']['project'] in proj)
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self.assertEqual(len(resource['resource']), 5)
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self.assertTrue(set(resource['resource'].keys()) == set(column))
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db.service_destroy(ctxt, s_ref['id'])
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db.instance_destroy(ctxt, i_ref1['uuid'])
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db.instance_destroy(ctxt, i_ref2['uuid'])
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class HostSerializerTest(test.TestCase):
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def setUp(self):
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super(HostSerializerTest, self).setUp()
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self.deserializer = os_hosts.HostDeserializer()
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def test_index_serializer(self):
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serializer = os_hosts.HostIndexTemplate()
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text = serializer.serialize(HOST_LIST)
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tree = etree.fromstring(text)
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self.assertEqual('hosts', tree.tag)
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self.assertEqual(len(HOST_LIST['hosts']), len(tree))
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for i in range(len(HOST_LIST)):
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self.assertEqual('host', tree[i].tag)
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self.assertEqual(HOST_LIST['hosts'][i]['host_name'],
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tree[i].get('host_name'))
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self.assertEqual(HOST_LIST['hosts'][i]['service'],
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tree[i].get('service'))
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def test_update_serializer_with_status(self):
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exemplar = dict(host='host_c1', status='enabled')
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serializer = os_hosts.HostUpdateTemplate()
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text = serializer.serialize(exemplar)
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tree = etree.fromstring(text)
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self.assertEqual('host', tree.tag)
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for key, value in exemplar.items():
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self.assertEqual(value, tree.get(key))
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def test_update_serializer_with_maintainance_mode(self):
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exemplar = dict(host='host_c1', maintenance_mode='enabled')
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serializer = os_hosts.HostUpdateTemplate()
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text = serializer.serialize(exemplar)
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tree = etree.fromstring(text)
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self.assertEqual('host', tree.tag)
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for key, value in exemplar.items():
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self.assertEqual(value, tree.get(key))
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def test_update_serializer_with_maintainance_mode_and_status(self):
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exemplar = dict(host='host_c1',
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maintenance_mode='enabled',
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status='enabled')
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serializer = os_hosts.HostUpdateTemplate()
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text = serializer.serialize(exemplar)
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tree = etree.fromstring(text)
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self.assertEqual('host', tree.tag)
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for key, value in exemplar.items():
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self.assertEqual(value, tree.get(key))
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def test_action_serializer(self):
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exemplar = dict(host='host_c1', power_action='reboot')
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serializer = os_hosts.HostActionTemplate()
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text = serializer.serialize(exemplar)
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tree = etree.fromstring(text)
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self.assertEqual('host', tree.tag)
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for key, value in exemplar.items():
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self.assertEqual(value, tree.get(key))
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def test_update_deserializer(self):
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exemplar = dict(status='enabled', foo='bar')
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intext = ("<?xml version='1.0' encoding='UTF-8'?>\n"
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'<updates><status>enabled</status><foo>bar</foo></updates>')
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result = self.deserializer.deserialize(intext)
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self.assertEqual(dict(body=exemplar), result)
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