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-rw-r--r--tests/inspector/sample.py169
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diff --git a/tests/inspector/sample.py b/tests/inspector/sample.py
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--- a/tests/inspector/sample.py
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-##############################################################################
-# Copyright (c) 2017 ZTE 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 collections
-from flask import Flask
-from flask import request
-import json
-import time
-from threading import Thread
-import requests
-
-from common import utils
-from identity_auth import get_identity_auth
-from identity_auth import get_session
-from os_clients import nova_client
-from os_clients import neutron_client
-from inspector.base import BaseInspector
-
-
-class SampleInspector(BaseInspector):
- event_type = 'compute.host.down'
-
- def __init__(self, conf, log):
- super(SampleInspector, self).__init__(conf, log)
- self.inspector_url = self.get_inspector_url()
- self.novaclients = list()
- self._init_novaclients()
- # Normally we use this client for non redundant API calls
- self.nova = self.novaclients[0]
-
- auth = get_identity_auth(project=self.conf.doctor_project)
- session = get_session(auth=auth)
- self.neutron = neutron_client(session)
-
- self.servers = collections.defaultdict(list)
- self.hostnames = list()
- self.app = None
-
- def _init_novaclients(self):
- self.NUMBER_OF_CLIENTS = self.conf.instance_count
- auth = get_identity_auth(project=self.conf.doctor_project)
- session = get_session(auth=auth)
- for i in range(self.NUMBER_OF_CLIENTS):
- self.novaclients.append(
- nova_client(self.conf.nova_version, session))
-
- def _init_servers_list(self):
- self.servers.clear()
- opts = {'all_tenants': True}
- servers = self.nova.servers.list(search_opts=opts)
- for server in servers:
- try:
- host = server.__dict__.get('OS-EXT-SRV-ATTR:host')
- self.servers[host].append(server)
- self.log.debug('get hostname=%s from server=%s' % (host, server))
- except Exception as e:
- self.log.info('can not get hostname from server=%s' % server)
-
- def get_inspector_url(self):
- return 'http://%s:%s' % (self.conf.inspector.ip, self.conf.inspector.port)
-
- def start(self):
- self.log.info('sample inspector start......')
- self._init_servers_list()
- self.app = InspectorApp(self.conf.inspector.port, self, self.log)
- self.app.start()
-
- def stop(self):
- self.log.info('sample inspector stop......')
- if not self.app:
- return
- for hostname in self.hostnames:
- self.nova.services.force_down(hostname, 'nova-compute', False)
-
- headers = {
- 'Content-Type': 'application/json',
- 'Accept': 'application/json',
- }
- url = '%s%s' % (self.inspector_url, 'shutdown') \
- if self.inspector_url.endswith('/') else \
- '%s%s' % (self.inspector_url, '/shutdown')
- requests.post(url, data='', headers=headers)
-
- def handle_events(self, events):
- for event in events:
- hostname = event['details']['hostname']
- event_type = event['type']
- if event_type == self.event_type:
- self.hostnames.append(hostname)
- thr1 = self._disable_compute_host(hostname)
- thr2 = self._vms_reset_state('error', hostname)
- thr3 = self._set_ports_data_plane_status('DOWN', hostname)
- thr1.join()
- thr2.join()
- thr3.join()
-
- @utils.run_async
- def _disable_compute_host(self, hostname):
- self.nova.services.force_down(hostname, 'nova-compute', True)
- self.log.info('doctor mark host(%s) down at %s' % (hostname, time.time()))
-
- @utils.run_async
- def _vms_reset_state(self, state, hostname):
-
- @utils.run_async
- def _vm_reset_state(nova, server, state):
- nova.servers.reset_state(server, state)
- self.log.info('doctor mark vm(%s) error at %s' % (server, time.time()))
-
- thrs = []
- for nova, server in zip(self.novaclients, self.servers[hostname]):
- t = _vm_reset_state(nova, server, state)
- thrs.append(t)
- for t in thrs:
- t.join()
-
- @utils.run_async
- def _set_ports_data_plane_status(self, status, hostname):
- body = {'data_plane_status': status}
-
- @utils.run_async
- def _set_port_data_plane_status(port_id):
- self.neutron.update_port(port_id, body)
- self.log.info('doctor set data plane status %s on port %s' % (status, port_id))
-
- thrs = []
- params = {'binding:host_id': hostname}
- for port_id in self.neutron.list_ports(**params):
- t = _set_port_data_plane_status(port_id)
- thrs.append(t)
- for t in thrs:
- t.join()
-
-
-class InspectorApp(Thread):
-
- def __init__(self, port, inspector, log):
- Thread.__init__(self)
- self.port = port
- self.inspector = inspector
- self.log = log
-
- def run(self):
- app = Flask('inspector')
-
- @app.route('/events', methods=['PUT'])
- def event_posted():
- self.log.info('event posted in sample inspector at %s' % time.time())
- self.log.info('sample inspector = %s' % self.inspector)
- self.log.info('sample inspector received data = %s' % request.data)
- events = json.loads(request.data.decode('utf8'))
- self.inspector.handle_events(events)
- return "OK"
-
- @app.route('/shutdown', methods=['POST'])
- def shutdown():
- self.log.info('shutdown inspector app server at %s' % time.time())
- func = request.environ.get('werkzeug.server.shutdown')
- if func is None:
- raise RuntimeError('Not running with the Werkzeug Server')
- func()
- return 'inspector app shutting down...'
-
- app.run(host="0.0.0.0", port=self.port)