110 lines
3.5 KiB
Python
110 lines
3.5 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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import logging
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from copy import deepcopy
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from helm_drydock.error import DesignError
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class DesignStateClient(object):
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def __init__(self):
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self.log = logging.Logger('orchestrator')
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"""
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load_design_data - Pull all the defined models in statemgmt and assemble
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them into a representation of the site. Does not compute inheritance.
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Throws an exception if multiple Site models are found.
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param design_state - Instance of statemgmt.DesignState to load data from
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return a Site model populated with all components from the design state
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"""
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def load_design_data(self, site_name, design_state=None, change_id=None):
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if design_state is None:
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raise ValueError("Design state is None")
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design_data = None
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if change_id is None:
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try:
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design_data = design_state.get_design_base()
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except DesignError(e):
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raise e
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else:
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design_data = design_state.get_design_change(change_id)
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site = design_data.get_site(site_name)
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networks = design_data.get_networks()
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for n in networks:
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if n.site == site_name:
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site.networks.append(n)
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network_links = design_data.get_network_links()
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for l in network_links:
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if l.site == site_name:
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site.network_links.append(l)
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host_profiles = design_data.get_host_profiles()
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for p in host_profiles:
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if p.site == site_name:
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site.host_profiles.append(p)
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hardware_profiles = design_data.get_hardware_profiles()
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for p in hardware_profiles:
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if p.site == site_name:
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site.hardware_profiles.append(p)
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baremetal_nodes = design_data.get_baremetal_nodes()
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for n in baremetal_nodes:
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if n.site == site_name:
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site.baremetal_nodes.append(n)
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return site
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def compute_model_inheritance(self, site_root):
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# For now the only thing that really incorporates inheritance is
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# host profiles and baremetal nodes. So we'll just resolve it for
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# the baremetal nodes which recursively resolves it for host profiles
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# assigned to those nodes
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site_copy = deepcopy(site_root)
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effective_nodes = []
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for n in site_copy.baremetal_nodes:
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resolved = n.apply_host_profile(site_copy)
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resolved = resolved.apply_hardware_profile(site_copy)
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resolved = resolved.apply_network_connections(site_copy)
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effective_nodes.append(resolved)
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site_copy.baremetal_nodes = effective_nodes
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return site_copy
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"""
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compute_model_inheritance - given a fully populated Site model,
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compute the effecitve design by applying inheritance and references
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return a Site model reflecting the effective design for the site
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"""
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