############################################################################## # Copyright (c) 2018 Nokia Corporation 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 ############################################################################## import datetime import json import requests import time from doctor_tests.admin_tool import get_admin_tool from doctor_tests.app_manager import get_app_manager from doctor_tests.common.utils import get_doctor_test_root_dir from doctor_tests.identity_auth import get_identity_auth from doctor_tests.identity_auth import get_session from doctor_tests.inspector import get_inspector from doctor_tests.os_clients import keystone_client from doctor_tests.os_clients import neutron_client from doctor_tests.os_clients import nova_client from doctor_tests.stack import Stack class Maintenance(object): def __init__(self, trasport_url, conf, log): self.conf = conf self.log = log self.keystone = keystone_client( self.conf.keystone_version, get_session()) self.nova = nova_client(conf.nova_version, get_session()) auth = get_identity_auth(project=self.conf.doctor_project) self.neutron = neutron_client(get_session(auth=auth)) self.stack = Stack(self.conf, self.log) self.admin_tool = get_admin_tool(trasport_url, self.conf, self.log) self.app_manager = get_app_manager(self.stack, self.conf, self.log) self.inspector = get_inspector(self.conf, self.log) def get_external_network(self): ext_net = None networks = self.neutron.list_networks()['networks'] for network in networks: if network['router:external']: ext_net = network['name'] break if ext_net is None: raise Exception("external network not defined") return ext_net def setup_maintenance(self, user): # each hypervisor needs to have same amount of vcpus and they # need to be free before test hvisors = self.nova.hypervisors.list(detailed=True) prev_vcpus = 0 prev_hostname = '' self.log.info('checking hypervisors.......') for hvisor in hvisors: vcpus = hvisor.__getattr__('vcpus') vcpus_used = hvisor.__getattr__('vcpus_used') hostname = hvisor.__getattr__('hypervisor_hostname') if vcpus < 2: raise Exception('not enough vcpus (%d) on %s' % (vcpus, hostname)) if vcpus_used > 0: raise Exception('%d vcpus used on %s' % (vcpus_used, hostname)) if prev_vcpus != 0 and prev_vcpus != vcpus: raise Exception('%d vcpus on %s does not match to' '%d on %s' % (vcpus, hostname, prev_vcpus, prev_hostname)) prev_vcpus = vcpus prev_hostname = hostname # maintenance flavor made so that 2 instances take whole node flavor_vcpus = int(vcpus / 2) compute_nodes = len(hvisors) amount_actstdby_instances = 2 amount_noredundancy_instances = 2 * compute_nodes - 2 self.log.info('testing %d computes with %d vcpus each' % (compute_nodes, vcpus)) self.log.info('testing %d actstdby and %d noredundancy instances' % (amount_actstdby_instances, amount_noredundancy_instances)) max_instances = (amount_actstdby_instances + amount_noredundancy_instances) max_cores = compute_nodes * vcpus user.update_quota(max_instances, max_cores) test_dir = get_doctor_test_root_dir() template_file = '{0}/{1}'.format(test_dir, 'maintenance_hot_tpl.yaml') files, template = self.stack.get_hot_tpl(template_file) ext_net = self.get_external_network() parameters = {'ext_net': ext_net, 'flavor_vcpus': flavor_vcpus, 'maint_image': self.conf.image_name, 'nonha_intances': amount_noredundancy_instances, 'ha_intances': amount_actstdby_instances} self.log.info('creating maintenance stack.......') self.log.info('parameters: %s' % parameters) self.stack.create('doctor_test_maintenance', template, parameters=parameters, files=files) self.admin_tool.start() self.app_manager.start() self.inspector.start() def start_maintenance(self): self.log.info('start maintenance.......') hvisors = self.nova.hypervisors.list(detailed=True) maintenance_hosts = list() for hvisor in hvisors: hostname = hvisor.__getattr__('hypervisor_hostname') maintenance_hosts.append(hostname) url = 'http://0.0.0.0:%s/maintenance' % self.conf.admin_tool.port # let's start maintenance 20sec from now, so projects will have # time to ACK to it before that maintenance_at = (datetime.datetime.utcnow() + datetime.timedelta(seconds=20) ).strftime('%Y-%m-%d %H:%M:%S') data = {'hosts': maintenance_hosts, 'state': 'MAINTENANCE', 'maintenance_at': maintenance_at, 'metadata': {'openstack_version': 'Pike'}} headers = { 'Content-Type': 'application/json', 'Accept': 'application/json'} ret = requests.post(url, data=json.dumps(data), headers=headers) if ret.status_code != 200: raise Exception(ret.text) return ret.json()['session_id'] def remove_maintenance_session(self, session_id): self.log.info('remove maintenance session %s.......' % session_id) url = 'http://0.0.0.0:%s/maintenance' % self.conf.admin_tool.port data = {'state': 'REMOVE_MAINTENANCE_SESSION', 'session_id': session_id} headers = { 'Content-Type': 'application/json', 'Accept': 'application/json'} ret = requests.post(url, data=json.dumps(data), headers=headers) if ret.status_code != 200: raise Exception(ret.text) def get_maintenance_state(self, session_id): url = 'http://0.0.0.0:%s/maintenance' % self.conf.admin_tool.port data = {'session_id': session_id} headers = { 'Content-Type': 'application/json', 'Accept': 'application/json'} ret = requests.get(url, data=json.dumps(data), headers=headers) if ret.status_code != 200: raise Exception(ret.text) return ret.json()['state'] def wait_maintenance_complete(self, session_id): retries = 66 state = None time.sleep(540) while state != 'MAINTENANCE_COMPLETE' and retries > 0: time.sleep(10) state = self.get_maintenance_state(session_id) retries = retries - 1 if retries == 0 and state != 'MAINTENANCE_COMPLETE': raise Exception('maintenance %s not completed within 20min, status' ' %s' % (session_id, state)) elif state == 'MAINTENANCE_COMPLETE': self.log.info('maintenance %s %s' % (session_id, state)) self.remove_maintenance_session(session_id) elif state == 'MAINTENANCE_FAILED': raise Exception('maintenance %s failed' % session_id) def cleanup_maintenance(self): self.admin_tool.stop() self.app_manager.stop() self.inspector.stop() self.log.info('stack delete start.......') self.stack.delete()