70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2016 Hewlett Packard Enterprise Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not used this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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import logging
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import numpy as np
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import schema
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from main.ingestor import base
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logger = logging.getLogger(__name__)
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class CloudIngestor(base.BaseIngestor):
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"""Data ingestor for Cloud"""
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def __init__(self, _id, _config):
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super(CloudIngestor, self).__init__(_id=_id, _config=_config)
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@staticmethod
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def validate_config(_config):
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return schema.Schema({
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"module": schema.And(basestring,
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lambda i: not any(c.isspace() for c in i))
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}).validate(_config)
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def map_dstream(self, dstream):
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feature_list = list(self._features)
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return dstream.map(
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lambda rdd_entry: CloudIngestor._process_data(rdd_entry,
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feature_list))
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@staticmethod
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def get_default_config():
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return {"module": CloudIngestor.__name__}
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# TODO: With the new model, this can now be method, and the lambda
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# can be removed.
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@staticmethod
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def _process_data(rdd_entry, feature_list):
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json_value = json.loads(rdd_entry)
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return CloudIngestor._parse_and_vectorize(json_value, feature_list)
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@staticmethod
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def _parse_and_vectorize(json_value, feature_list):
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values = {
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"support_1": 0
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}
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for feature in feature_list:
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values[feature] = 0
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for e in json_value["events"]:
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if e["id"] in values:
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values[e["id"]] += 1
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res = [values[f] for f in feature_list]
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return np.array(res)
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