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- #!/usr/bin/env python
- # Licensed to Cloudera, Inc. under one
- # or more contributor license agreements. See the NOTICE file
- # distributed with this work for additional information
- # regarding copyright ownership. Cloudera, Inc. licenses this file
- # to you under the Apache License, Version 2.0 (the
- # "License"); you may not use this file except in compliance
- # with the License. You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- from __future__ import absolute_import
- import logging
- from django.core.urlresolvers import reverse
- from django.utils.translation import ugettext as _
- from desktop.lib.i18n import force_unicode
- from kafka.ksql_client import KSqlApi
- from notebook.connectors.base import Api, QueryError
- LOG = logging.getLogger(__name__)
- def query_error_handler(func):
- def decorator(*args, **kwargs):
- try:
- return func(*args, **kwargs)
- except Exception as e:
- message = force_unicode(str(e))
- raise QueryError(message)
- return decorator
- class KafkaApi(Api):
- def __init__(self, user, interpreter=None):
- Api.__init__(self, user, interpreter=interpreter)
- self.db = KSqlApi(user=user)
- @query_error_handler
- def execute(self, notebook, snippet):
- if self.db is None:
- raise AuthenticationRequired()
- data, description = query_and_fetch(self.db, snippet['statement'], 1000)
- has_result_set = data is not None
- return {
- 'sync': True,
- 'has_result_set': has_result_set,
- 'result': {
- 'has_more': False,
- 'data': data if has_result_set else [],
- 'meta': [{
- 'name': col[0],
- 'type': col[1],
- 'comment': ''
- } for col in description] if has_result_set else [],
- 'type': 'table'
- }
- }
- @query_error_handler
- def check_status(self, notebook, snippet):
- return {'status': 'available'}
- @query_error_handler
- def autocomplete(self, snippet, database=None, table=None, column=None, nested=None):
- response = {}
- try:
- if database is None:
- response['databases'] = ['default']
- elif table is None:
- response['tables_meta'] = self.db.show_tables()
- else:
- response = {
- u'status': 0,
- u'comment': u'test test test 22',
- u'hdfs_link': u'/filebrowser/view=/user/hive/warehouse/web_logs',
- u'extended_columns': [
- {u'comment': u'', u'type': u'bigint', u'name': u'_version_'},
- {u'comment': u'The app', u'type': u'string', u'name': u'app'},
- {u'comment': u'test test test 22', u'type': u'smallint', u'name': u'bytes'},
- {u'comment': u'The citi', u'type': u'string', u'name': u'city'},
- {u'comment': u'', u'type': u'string', u'name': u'client_ip'},
- {u'comment': u'', u'type': u'tinyint', u'name': u'code'},
- {u'comment': u'', u'type': u'string', u'name': u'country_code'},
- {u'comment': u'', u'type': u'string', u'name': u'country_code3'},
- {u'comment': u'', u'type': u'string', u'name': u'country_name'},
- {u'comment': u'', u'type': u'string', u'name': u'device_family'},
- {u'comment': u'', u'type': u'string', u'name': u'extension'},
- {u'comment': u'', u'type': u'float', u'name': u'latitude'},
- {u'comment': u'', u'type': u'float', u'name': u'longitude'},
- {u'comment': u'', u'type': u'string', u'name': u'method'},
- {u'comment': u'', u'type': u'string', u'name': u'os_family'},
- {u'comment': u'', u'type': u'string', u'name': u'os_major'},
- {u'comment': u'', u'type': u'string', u'name': u'protocol'},
- {u'comment': u'', u'type': u'string', u'name': u'record'},
- {u'comment': u'', u'type': u'string', u'name': u'referer'},
- {u'comment': u'', u'type': u'bigint', u'name': u'region_code'},
- {u'comment': u'', u'type': u'string', u'name': u'request'},
- {u'comment': u'', u'type': u'string', u'name': u'subapp'},
- {u'comment': u'', u'type': u'string', u'name': u'time'},
- {u'comment': u'', u'type': u'string', u'name': u'url'},
- {u'comment': u'', u'type': u'string', u'name': u'user_agent'},
- {u'comment': u'', u'type': u'string', u'name': u'user_agent_family'},
- {u'comment': u'', u'type': u'string', u'name': u'user_agent_major'},
- {u'comment': u'', u'type': u'string', u'name': u'id'},
- {u'comment': u'', u'type': u'string', u'name': u'date'}
- ],
- u'support_updates': False,
- u'partition_keys': [
- {u'type': u'string', u'name': u'date'}
- ],
- u'columns': [u'_version_', u'app', u'bytes', u'city', u'client_ip', u'code', u'country_code', u'country_code3', u'country_name', u'device_family', u'extension', u'latitude', u'longitude', u'method', u'os_family', u'os_major', u'protocol', u'record', u'referer', u'region_code', u'request', u'subapp', u'time', u'url', u'user_agent', u'user_agent_family', u'user_agent_major', u'id', u'date'],
- u'is_view': False
- }
- except Exception as e:
- LOG.warn('Autocomplete data fetching error: %s' % e)
- response['code'] = 500
- response['error'] = e.message
- return response
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