325 lines
10 KiB
Python
325 lines
10 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 functools
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import os
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import re
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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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import werkzeug
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from ironic_inspector import api_tools
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from ironic_inspector.common.i18n import _
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from ironic_inspector.common import ironic as ir_utils
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from ironic_inspector.common import swift
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from ironic_inspector import conf # noqa
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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 import process
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from ironic_inspector import rules
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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 = utils.getProcessingLogger(__name__)
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MINIMUM_API_VERSION = (1, 0)
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CURRENT_API_VERSION = (1, 12)
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DEFAULT_API_VERSION = CURRENT_API_VERSION
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_LOGGING_EXCLUDED_KEYS = ('logs',)
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def _get_version():
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ver = flask.request.headers.get(conf.VERSION_HEADER,
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_DEFAULT_API_VERSION)
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try:
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requested = tuple(int(x) for x in ver.split('.'))
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except (ValueError, TypeError):
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return error_response(_('Malformed API version: expected string '
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'in form of X.Y'), code=400)
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return requested
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def _format_version(ver):
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return '%d.%d' % ver
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_DEFAULT_API_VERSION = _format_version(DEFAULT_API_VERSION)
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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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LOG.debug('Returning error to client: %s', exc)
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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 werkzeug.exceptions.HTTPException as exc:
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return error_response(exc, exc.code or 400)
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except Exception as exc:
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LOG.exception('Internal server error')
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msg = _('Internal server error')
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if CONF.debug:
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msg += ' (%s): %s' % (exc.__class__.__name__, exc)
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return error_response(msg)
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return wrapper
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@app.before_request
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def check_api_version():
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requested = _get_version()
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if requested < MINIMUM_API_VERSION or requested > CURRENT_API_VERSION:
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return error_response(_('Unsupported API version %(requested)s, '
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'supported range is %(min)s to %(max)s') %
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{'requested': _format_version(requested),
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'min': _format_version(MINIMUM_API_VERSION),
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'max': _format_version(CURRENT_API_VERSION)},
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code=406)
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@app.after_request
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def add_version_headers(res):
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res.headers[conf.MIN_VERSION_HEADER] = '%s.%s' % MINIMUM_API_VERSION
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res.headers[conf.MAX_VERSION_HEADER] = '%s.%s' % CURRENT_API_VERSION
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return res
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def create_link_object(urls):
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links = []
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for url in urls:
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links.append({"rel": "self",
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"href": os.path.join(flask.request.url_root, url)})
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return links
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def generate_resource_data(resources):
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data = []
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for resource in resources:
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item = {}
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item['name'] = str(resource).split('/')[-1]
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item['links'] = create_link_object([str(resource)[1:]])
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data.append(item)
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return data
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def generate_introspection_status(node):
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"""Return a dict representing current node status.
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:param node: a NodeInfo instance
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:return: dictionary
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"""
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started_at = node.started_at.isoformat()
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finished_at = node.finished_at.isoformat() if node.finished_at else None
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status = {}
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status['uuid'] = node.uuid
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status['finished'] = bool(node.finished_at)
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status['state'] = node.state
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status['started_at'] = started_at
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status['finished_at'] = finished_at
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status['error'] = node.error
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status['links'] = create_link_object(
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["v%s/introspection/%s" % (CURRENT_API_VERSION[0], node.uuid)])
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return status
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@app.route('/', methods=['GET'])
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@convert_exceptions
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def api_root():
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versions = [
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{
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"status": "CURRENT",
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"id": '%s.%s' % CURRENT_API_VERSION,
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},
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]
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for version in versions:
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version['links'] = create_link_object(
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["v%s" % version['id'].split('.')[0]])
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return flask.jsonify(versions=versions)
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@app.route('/<version>', methods=['GET'])
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@convert_exceptions
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def version_root(version):
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pat = re.compile("^\/%s\/[^\/]*?$" % version)
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resources = []
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for url in app.url_map.iter_rules():
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if pat.match(str(url)):
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resources.append(url)
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if not resources:
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raise utils.Error(_('Version not found.'), code=404)
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return flask.jsonify(resources=generate_resource_data(resources))
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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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if not isinstance(data, dict):
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raise utils.Error(_('Invalid data: expected a JSON object, got %s') %
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data.__class__.__name__)
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logged_data = {k: (v if k not in _LOGGING_EXCLUDED_KEYS else '<hidden>')
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for k, v in data.items()}
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LOG.debug("Received data from the ramdisk: %s", logged_data,
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data=data)
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return flask.jsonify(process.process(data))
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# TODO(sambetts) Add API discovery for this endpoint
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@app.route('/v1/introspection/<node_id>', methods=['GET', 'POST'])
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@convert_exceptions
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def api_introspection(node_id):
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utils.check_auth(flask.request)
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if flask.request.method == 'POST':
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introspect.introspect(node_id,
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token=flask.request.headers.get('X-Auth-Token'))
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return '', 202
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else:
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node_info = node_cache.get_node(node_id)
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return flask.json.jsonify(generate_introspection_status(node_info))
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@app.route('/v1/introspection', methods=['GET'])
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@convert_exceptions
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def api_introspection_statuses():
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utils.check_auth(flask.request)
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nodes = node_cache.get_node_list(
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marker=api_tools.marker_field(),
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limit=api_tools.limit_field(default=CONF.api_max_limit)
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)
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data = {
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'introspection': [generate_introspection_status(node)
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for node in nodes]
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}
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return flask.json.jsonify(data)
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@app.route('/v1/introspection/<node_id>/abort', methods=['POST'])
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@convert_exceptions
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def api_introspection_abort(node_id):
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utils.check_auth(flask.request)
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introspect.abort(node_id, token=flask.request.headers.get('X-Auth-Token'))
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return '', 202
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@app.route('/v1/introspection/<node_id>/data', methods=['GET'])
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@convert_exceptions
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def api_introspection_data(node_id):
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utils.check_auth(flask.request)
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if CONF.processing.store_data == 'swift':
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if not uuidutils.is_uuid_like(node_id):
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node = ir_utils.get_node(node_id, fields=['uuid'])
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node_id = node.uuid
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res = swift.get_introspection_data(node_id)
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return res, 200, {'Content-Type': 'application/json'}
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else:
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return error_response(_('Inspector is not configured to store data. '
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'Set the [processing] store_data '
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'configuration option to change this.'),
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code=404)
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@app.route('/v1/introspection/<node_id>/data/unprocessed', methods=['POST'])
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@convert_exceptions
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def api_introspection_reapply(node_id):
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utils.check_auth(flask.request)
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if flask.request.content_length:
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return error_response(_('User data processing is not '
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'supported yet'), code=400)
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if CONF.processing.store_data == 'swift':
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process.reapply(node_id)
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return '', 202
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else:
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return error_response(_('Inspector is not configured to store'
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' data. Set the [processing] '
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'store_data configuration option to '
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'change this.'), code=400)
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def rule_repr(rule, short):
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result = rule.as_dict(short=short)
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result['links'] = [{
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'href': flask.url_for('api_rule', uuid=result['uuid']),
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'rel': 'self'
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}]
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return result
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@app.route('/v1/rules', methods=['GET', 'POST', 'DELETE'])
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@convert_exceptions
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def api_rules():
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utils.check_auth(flask.request)
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if flask.request.method == 'GET':
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res = [rule_repr(rule, short=True) for rule in rules.get_all()]
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return flask.jsonify(rules=res)
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elif flask.request.method == 'DELETE':
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rules.delete_all()
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return '', 204
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else:
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body = flask.request.get_json(force=True)
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if body.get('uuid') and not uuidutils.is_uuid_like(body['uuid']):
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raise utils.Error(_('Invalid UUID value'), code=400)
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rule = rules.create(conditions_json=body.get('conditions', []),
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actions_json=body.get('actions', []),
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uuid=body.get('uuid'),
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description=body.get('description'))
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response_code = (200 if _get_version() < (1, 6) else 201)
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return flask.make_response(
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flask.jsonify(rule_repr(rule, short=False)), response_code)
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@app.route('/v1/rules/<uuid>', methods=['GET', 'DELETE'])
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@convert_exceptions
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def api_rule(uuid):
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utils.check_auth(flask.request)
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if flask.request.method == 'GET':
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rule = rules.get(uuid)
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return flask.jsonify(rule_repr(rule, short=False))
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else:
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rules.delete(uuid)
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return '', 204
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@app.errorhandler(404)
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def handle_404(error):
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return error_response(error, code=404)
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