211 lines
7.8 KiB
Python
211 lines
7.8 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2013-2016 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import pecan
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from pecan import rest
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import wsme
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from wsme import types as wtypes
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import wsmeext.pecan as wsme_pecan
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from sysinv.api.controllers.v1 import base
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from sysinv.api.controllers.v1 import collection
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from sysinv.api.controllers.v1 import link
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from sysinv.api.controllers.v1.query import Query
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from sysinv.api.controllers.v1 import types
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from sysinv.api.controllers.v1 import utils as api_utils
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from sysinv.common import constants
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from sysinv.common import utils as cutils
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from sysinv import objects
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from sysinv.openstack.common.gettextutils import _
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from sysinv.openstack.common import log
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LOG = log.getLogger(__name__)
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class EventSuppressionPatchType(types.JsonPatchType):
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@staticmethod
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def mandatory_attrs():
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return ['/uuid']
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class EventSuppression(base.APIBase):
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"""API representation of an event suppression.
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This class enforces type checking and value constraints, and converts
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between the internal object model and the API representation of
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an event_suppression.
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"""
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id = int
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"Unique ID for this entry"
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uuid = types.uuid
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"Unique UUID for this entry"
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alarm_id = wsme.wsattr(wtypes.text, mandatory=True)
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"Unique id for the Alarm Type"
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description = wsme.wsattr(wtypes.text, mandatory=True)
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"Text description of the Alarm Type"
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suppression_status = wsme.wsattr(wtypes.text, mandatory=True)
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"'suppressed' or 'unsuppressed'"
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links = [link.Link]
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"A list containing a self link and associated links"
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def __init__(self, **kwargs):
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self.fields = objects.event_suppression.fields.keys()
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for k in self.fields:
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if not hasattr(self, k):
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continue
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setattr(self, k, kwargs.get(k, wtypes.Unset))
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@classmethod
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def convert_with_links(cls, rpc_event_suppression, expand=True):
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parm = EventSuppression(**rpc_event_suppression.as_dict())
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if not expand:
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parm.unset_fields_except(['uuid', 'alarm_id', 'description',
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'suppression_status'])
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parm.links = [link.Link.make_link('self', pecan.request.host_url,
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'event_suppression', parm.uuid),
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link.Link.make_link('bookmark',
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pecan.request.host_url,
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'event_suppression', parm.uuid,
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bookmark=True)
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]
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return parm
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class EventSuppressionCollection(collection.Collection):
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"""API representation of a collection of event_suppression."""
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event_suppression = [EventSuppression]
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"A list containing EventSuppression objects"
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def __init__(self, **kwargs):
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self._type = 'event_suppression'
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@classmethod
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def convert_with_links(cls, rpc_event_suppression, limit, url=None,
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expand=False,
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**kwargs):
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collection = EventSuppressionCollection()
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collection.event_suppression = [EventSuppression.convert_with_links(p, expand)
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for p in rpc_event_suppression]
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collection.next = collection.get_next(limit, url=url, **kwargs)
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return collection
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LOCK_NAME = 'EventSuppressionController'
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class EventSuppressionController(rest.RestController):
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"""REST controller for event_suppression."""
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def __init__(self, parent=None, **kwargs):
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self._parent = parent
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def _get_event_suppression_collection(self, marker=None, limit=None,
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sort_key=None, sort_dir=None,
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expand=False, resource_url=None,
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q=None):
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limit = api_utils.validate_limit(limit)
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sort_dir = api_utils.validate_sort_dir(sort_dir)
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kwargs = {}
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if q is not None:
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for i in q:
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if i.op == 'eq':
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kwargs[i.field] = i.value
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marker_obj = None
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if marker:
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marker_obj = objects.event_suppression.get_by_uuid(
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pecan.request.context, marker)
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if q is None:
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parms = pecan.request.dbapi.event_suppression_get_list(
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limit=limit, marker=marker_obj,
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sort_key=sort_key, sort_dir=sort_dir)
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else:
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kwargs['limit'] = limit
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kwargs['sort_key'] = sort_key
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kwargs['sort_dir'] = sort_dir
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parms = pecan.request.dbapi.event_suppression_get_all(**kwargs)
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return EventSuppressionCollection.convert_with_links(
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parms, limit, url=resource_url, expand=expand,
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sort_key=sort_key, sort_dir=sort_dir)
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def _get_updates(self, patch):
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"""Retrieve the updated attributes from the patch request."""
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updates = {}
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for p in patch:
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attribute = p['path'] if p['path'][0] != '/' else p['path'][1:]
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updates[attribute] = p['value']
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return updates
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@staticmethod
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def _check_event_suppression_updates(updates):
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"""Check attributes to be updated"""
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for parameter in updates:
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if parameter == 'suppression_status':
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if not((updates.get(parameter) == constants.FM_SUPPRESSED) or
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(updates.get(parameter) == constants.FM_UNSUPPRESSED)):
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msg = _("Invalid event_suppression parameter suppression_status values. \
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Valid values are: suppressed, unsuppressed")
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raise wsme.exc.ClientSideError(msg)
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elif parameter == 'alarm_id':
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msg = _("event_suppression parameter alarm_id is not allowed to be updated.")
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raise wsme.exc.ClientSideError(msg)
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elif parameter == 'description':
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msg = _("event_suppression parameter description is not allowed to be updated.")
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raise wsme.exc.ClientSideError(msg)
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else:
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msg = _("event_suppression invalid parameter.")
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raise wsme.exc.ClientSideError(msg)
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@wsme_pecan.wsexpose(EventSuppressionCollection, [Query],
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types.uuid, wtypes.text,
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wtypes.text, wtypes.text, wtypes.text)
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def get_all(self, q=[], marker=None, limit=None,
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sort_key='id', sort_dir='asc'):
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"""Retrieve a list of event_suppression."""
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sort_key = ['alarm_id']
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return self._get_event_suppression_collection(marker, limit,
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sort_key,
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sort_dir, q=q)
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@wsme_pecan.wsexpose(EventSuppression, types.uuid)
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def get_one(self, uuid):
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"""Retrieve information about the given event_suppression."""
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rpc_event_suppression = objects.event_suppression.get_by_uuid(
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pecan.request.context, uuid)
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return EventSuppression.convert_with_links(rpc_event_suppression)
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@cutils.synchronized(LOCK_NAME)
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@wsme.validate(types.uuid, [EventSuppressionPatchType])
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@wsme_pecan.wsexpose(EventSuppression, types.uuid,
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body=[EventSuppressionPatchType])
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def patch(self, uuid, patch):
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"""Updates attributes of event_suppression."""
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event_suppression = objects.event_suppression.get_by_uuid(pecan.request.context, uuid)
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event_suppression = event_suppression.as_dict()
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updates = self._get_updates(patch)
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self._check_event_suppression_updates(updates)
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event_suppression.update(updates)
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updated_event_suppression = pecan.request.dbapi.event_suppression_update(uuid, updates)
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return EventSuppression.convert_with_links(updated_event_suppression)
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