73 lines
2.2 KiB
Python
73 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 use 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 logging
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import numpy as np
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import six
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import voluptuous
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from monasca_analytics.ingestor import base
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import monasca_analytics.util.spark_func as fn
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from monasca_analytics.util import validation_utils as vu
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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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cloud_schema = voluptuous.Schema({
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"module": voluptuous.And(six.string_types[0],
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vu.NoSpaceCharacter())
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}, required=True)
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return cloud_schema(_config)
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@staticmethod
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def get_params():
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return []
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def map_dstream(self, dstream):
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features_list = list(self._features)
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return dstream.map(fn.from_json)\
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.map(lambda x: (x['ctime'], x['event']))\
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.groupByKey()\
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.map(lambda rdd_entry: CloudIngestor._parse_and_vectorize(
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rdd_entry[1],
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features_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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@staticmethod
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def _parse_and_vectorize(iterable, feature_list):
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values = {
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"support_1": 0.0
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}
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for feature in feature_list:
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values[feature] = 0.0
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for e in iterable:
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if e["id"] in values:
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values[e["id"]] += 1.0
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res = [values[f] for f in feature_list]
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return np.array(res)
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