64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
# Copyright (C) 2014 eBay Inc.
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# All Rights Reserved.
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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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from cinder.api import common
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class ViewBuilder(common.ViewBuilder):
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"""Model scheduler-stats API responses as a python dictionary."""
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_collection_name = "scheduler-stats"
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def __init__(self):
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"""Initialize view builder."""
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super(ViewBuilder, self).__init__()
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def summary(self, request, pool):
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"""Summary view of a single pool."""
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return {
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'pool': {
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'name': pool.get('name'),
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}
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}
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def detail(self, request, pool):
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"""Detailed view of a single pool."""
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# Internally storage_protocol can be a list with all the variants (eg.
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# FC, fibre_channel), but we return a single value to users. The first
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# value is the preferred variant.
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capabilities = pool.get('capabilities')
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if capabilities:
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protocol = capabilities.get('storage_protocol')
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if isinstance(protocol, list):
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capabilities = capabilities.copy()
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capabilities['storage_protocol'] = protocol[0]
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return {
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'pool': {
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'name': pool.get('name'),
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'capabilities': capabilities,
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}
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}
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def pools(self, request, pools, detail):
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"""Detailed/Summary view of a list of pools seen by scheduler."""
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if detail:
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plist = [self.detail(request, pool)['pool'] for pool in pools]
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else:
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plist = [self.summary(request, pool)['pool'] for pool in pools]
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pools_dict = dict(pools=plist)
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return pools_dict
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