78 lines
2.8 KiB
Python
78 lines
2.8 KiB
Python
# Copyright (c) 2016 EMC Corporation
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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.i18n import _
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from cinder.volume.drivers.coprhd.helpers import commoncoprhdapi as common
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class VirtualPool(common.CoprHDResource):
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URI_VPOOL = "/{0}/vpools"
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URI_VPOOL_SHOW = URI_VPOOL + "/{1}"
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URI_VPOOL_SEARCH = URI_VPOOL + "/search?name={1}"
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def vpool_show_uri(self, vpooltype, uri):
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"""Makes REST API call and retrieves vpool details based on UUID.
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This function will take uri as input and returns with
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all parameters of VPOOL like label, urn and type.
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:param vpooltype : Type of virtual pool {'block'}
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:param uri : unique resource identifier of the vpool
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:returns: object containing all the details of vpool
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"""
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(s, h) = common.service_json_request(
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self.ipaddr, self.port,
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"GET",
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self.URI_VPOOL_SHOW.format(vpooltype, uri), None)
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o = common.json_decode(s)
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if o['inactive']:
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return None
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return o
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def vpool_query(self, name, vpooltype):
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"""Makes REST API call to query the vpool by name and type.
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This function will take the VPOOL name and type of VPOOL
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as input and get uri of the first occurrence of given VPOOL.
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:param name: Name of the VPOOL
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:param vpooltype: Type of the VPOOL {'block'}
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:returns: uri of the given vpool
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"""
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if common.is_uri(name):
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return name
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(s, h) = common.service_json_request(
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self.ipaddr, self.port, "GET",
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self.URI_VPOOL_SEARCH.format(vpooltype, name), None)
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o = common.json_decode(s)
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if len(o['resource']) > 0:
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# Get the Active vpool ID.
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for vpool in o['resource']:
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if self.vpool_show_uri(vpooltype, vpool['id']) is not None:
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return vpool['id']
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# Raise not found exception. as we did not find any active vpool.
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raise common.CoprHdError(common.CoprHdError.NOT_FOUND_ERR,
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(_("VPool %(name)s ( %(vpooltype)s ) :"
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" not found") %
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{'name': name,
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'vpooltype': vpooltype
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}))
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