64 lines
2.1 KiB
Python
64 lines
2.1 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 sys
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import monasca_analytics.config.connection as connection
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import monasca_analytics.config.creation as creation
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import monasca_analytics.config.validation as validation
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import monasca_analytics.source.base as msource
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logger = logging.getLogger(__name__)
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def instantiate_components(_config):
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"""Instantiate the components from the configuration.
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:type _config: dict
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:param _config: configuration of the module to instantiate
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:rtype: dict
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:returns: the list of components
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"""
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try:
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validation.validate_config(_config)
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logger.debug("Creating components according to configuration...")
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components = creation.create_components(_config)
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logger.debug("Done creating components. Creating link data...")
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links = connection.connect_components(components, _config)
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logger.debug("Done connecting components. Validating links...")
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validation.validate_links(links)
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logger.debug("Done validating links. Successful instantiation")
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return links
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except Exception as ex:
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logger.error("Failed to instantiate components")
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logger.error("Reason : " + str(ex))
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sys.exit(-1)
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def collect_sources(links):
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"""Collect the sources from the links and return them in a list
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:type links: dict
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:returns: List of sources
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:rtype: list[msource.BaseSource]
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"""
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sources = []
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for key in links.keys():
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if isinstance(key, msource.BaseSource):
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sources.append(key)
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return sources
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