209 lines
6.8 KiB
Python
209 lines
6.8 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import eventlet
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eventlet.monkey_patch()
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import functools
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import json
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import logging
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import ssl
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import sys
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import flask
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from oslo_config import cfg
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from oslo_utils import uuidutils
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from ironic_inspector.common.i18n import _, _LC, _LE, _LI, _LW
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# Import configuration options
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from ironic_inspector import conf # noqa
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from ironic_inspector import firewall
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from ironic_inspector import introspect
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from ironic_inspector import node_cache
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from ironic_inspector.plugins import base as plugins_base
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from ironic_inspector import process
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from ironic_inspector import utils
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CONF = cfg.CONF
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app = flask.Flask(__name__)
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LOG = logging.getLogger('ironic_inspector.main')
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def error_response(exc, code=500):
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res = flask.jsonify(error={'message': str(exc)})
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res.status_code = code
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return res
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def convert_exceptions(func):
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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try:
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return func(*args, **kwargs)
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except utils.Error as exc:
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return error_response(exc, exc.http_code)
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except Exception as exc:
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return error_response(exc)
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return wrapper
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@app.route('/v1/continue', methods=['POST'])
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@convert_exceptions
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def api_continue():
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data = flask.request.get_json(force=True)
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LOG.debug("/v1/continue got JSON %s", data)
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res = process.process(data)
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return json.dumps(res), 200, {'Content-Type': 'applications/json'}
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@app.route('/v1/introspection/<uuid>', methods=['GET', 'POST'])
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@convert_exceptions
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def api_introspection(uuid):
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utils.check_auth(flask.request)
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if not uuidutils.is_uuid_like(uuid):
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raise utils.Error(_('Invalid UUID value'), code=400)
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if flask.request.method == 'POST':
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new_ipmi_password = flask.request.args.get('new_ipmi_password',
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type=str,
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default=None)
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if new_ipmi_password:
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new_ipmi_username = flask.request.args.get('new_ipmi_username',
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type=str,
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default=None)
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new_ipmi_credentials = (new_ipmi_username, new_ipmi_password)
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else:
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new_ipmi_credentials = None
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introspect.introspect(uuid,
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new_ipmi_credentials=new_ipmi_credentials)
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return '', 202
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else:
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node_info = node_cache.get_node(uuid)
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return flask.json.jsonify(finished=bool(node_info.finished_at),
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error=node_info.error or None)
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def periodic_update(period): # pragma: no cover
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while True:
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LOG.debug('Running periodic update of filters')
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try:
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firewall.update_filters()
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except Exception:
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LOG.exception(_LE('Periodic update failed'))
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eventlet.greenthread.sleep(period)
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def periodic_clean_up(period): # pragma: no cover
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while True:
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LOG.debug('Running periodic clean up of node cache')
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try:
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if node_cache.clean_up():
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firewall.update_filters()
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except Exception:
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LOG.exception(_LE('Periodic clean up of node cache failed'))
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eventlet.greenthread.sleep(period)
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def init():
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if utils.get_auth_strategy() != 'noauth':
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utils.add_auth_middleware(app)
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else:
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LOG.warning(_LW('Starting unauthenticated, please check'
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' configuration'))
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node_cache.init()
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try:
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hooks = [ext.name for ext in plugins_base.processing_hooks_manager()]
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except KeyError as exc:
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# stevedore raises KeyError on missing hook
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LOG.critical(_LC('Hook %s failed to load or was not found'), str(exc))
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sys.exit(1)
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LOG.info(_LI('Enabled processing hooks: %s'), hooks)
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if CONF.firewall.manage_firewall:
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firewall.init()
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period = CONF.firewall.firewall_update_period
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utils.spawn_n(periodic_update, period)
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if CONF.timeout > 0:
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period = CONF.clean_up_period
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utils.spawn_n(periodic_clean_up, period)
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else:
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LOG.warning(_LW('Timeout is disabled in configuration'))
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def create_ssl_context():
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if not CONF.use_ssl:
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return
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MIN_VERSION = (2, 7, 9)
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if sys.version_info < MIN_VERSION:
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LOG.warning(_LW('Unable to use SSL in this version of Python: '
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'%{current}, please ensure your version of Python is '
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'greater than %{min} to enable this feature.'),
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{'current': '.'.join(map(str, sys.version_info[:3])),
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'min': '.'.join(map(str, MIN_VERSION))})
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return
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context = ssl.create_default_context(purpose=ssl.Purpose.CLIENT_AUTH)
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if CONF.ssl_cert_path and CONF.ssl_key_path:
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try:
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context.load_cert_chain(CONF.ssl_cert_path, CONF.ssl_key_path)
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except IOError as exc:
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LOG.warning(_LW('Failed to load certificate or key from defined '
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'locations: %{cert} and %{key}, will continue to '
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'run with the default settings: %{exc}'),
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{'cert': CONF.ssl_cert_path, 'key': CONF.ssl_key_path,
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'exc': exc})
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except ssl.SSLError as exc:
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LOG.warning(_LW('There was a problem with the loaded certificate '
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'and key, will continue to run with the default '
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'settings: %s'), exc)
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return context
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def main(args=sys.argv[1:], in_functional_test=False): # pragma: no cover
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CONF(args, project='ironic-inspector')
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debug = CONF.debug
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logging.basicConfig(level=logging.DEBUG if debug else logging.INFO)
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for third_party in ('urllib3.connectionpool',
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'keystonemiddleware.auth_token',
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'requests.packages.urllib3.connectionpool'):
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logging.getLogger(third_party).setLevel(logging.WARNING)
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logging.getLogger('ironicclient.common.http').setLevel(
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logging.INFO if debug else logging.ERROR)
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app_kwargs = {'debug': debug and not in_functional_test,
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'host': CONF.listen_address,
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'port': CONF.listen_port}
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context = create_ssl_context()
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if context:
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app_kwargs['ssl_context'] = context
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init()
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try:
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app.run(**app_kwargs)
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finally:
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firewall.clean_up()
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