105 lines
4.1 KiB
Python
105 lines
4.1 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# 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 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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#
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# ingester - Ingest host topologies to define site design and
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# persist design to helm-drydock's statemgmt service
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import logging
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import yaml
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import helm_drydock.model.site as site
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import helm_drydock.model.network as network
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import helm_drydock.model.hwprofile as hwprofile
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import helm_drydock.model.node as node
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import helm_drydock.model.hostprofile as hostprofile
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from helm_drydock.statemgmt import DesignState, SiteDesign, DesignError
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class Ingester(object):
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def __init__(self):
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logging.basicConfig(format="%(asctime)-15s [%(levelname)] %(module)s %(process)d %(message)s")
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self.log = logging.Logger("ingester")
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self.registered_plugins = {}
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def enable_plugins(self, plugins=[]):
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if len(plugins) == 0:
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self.log.error("Cannot have an empty plugin list.")
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for plugin in plugins:
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try:
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new_plugin = plugin()
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plugin_name = new_plugin.get_name()
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self.registered_plugins[plugin_name] = new_plugin
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except:
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self.log.error("Could not enable plugin %s" % (plugin.__name__))
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if len(self.registered_plugins) == 0:
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self.log.error("Could not enable at least one plugin")
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raise Exception("Could not enable at least one plugin")
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"""
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enable_plugins
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params: plugins - A list of class objects denoting the ingester plugins to be enabled
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Enable plugins that can be used for ingest_data calls. Each plugin should use
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helm_drydock.ingester.plugins.IngesterPlugin as its base class. As long as one
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enabled plugin successfully initializes, the call is considered successful. Otherwise
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it will throw an exception
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"""
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def ingest_data(self, plugin_name='', design_state=None, **kwargs):
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if design_state is None:
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self.log.error("ingest_data called without valid DesignState handler")
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raise Exception("Invalid design_state handler")
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# TODO this method needs refactored to handle design base vs change
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design_data = None
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try:
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design_data = design_state.get_design_base()
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except DesignError:
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design_data = SiteDesign()
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if plugin_name in self.registered_plugins:
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design_items = self.registered_plugins[plugin_name].ingest_data(**kwargs)
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# Need to persist data here, but we don't yet have the statemgmt service working
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for m in design_items:
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if type(m) is site.Site:
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design_data.add_site(m)
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elif type(m) is network.Network:
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design_data.add_network(m)
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elif type(m) is network.NetworkLink:
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design_data.add_network_link(m)
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elif type(m) is hostprofile.HostProfile:
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design_data.add_host_profile(m)
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elif type(m) is hwprofile.HardwareProfile:
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design_data.add_hardware_profile(m)
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elif type(m) is node.BaremetalNode:
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design_data.add_baremetal_node(m)
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design_state.put_design_base(design_data)
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else:
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self.log.error("Could not find plugin %s to ingest data." % (plugin_name))
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raise LookupError("Could not find plugin %s" % plugin_name)
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"""
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ingest_data
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params: plugin_name - Which plugin should be used for ingestion
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params: params - A map of parameters that will be passed to the plugin's ingest_data method
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Execute a data ingestion using the named plugin (assuming it is enabled)
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"""
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