168 lines
5.5 KiB
Python
168 lines
5.5 KiB
Python
#
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# Copyright (c) 2021 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 oslo_log import log
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from sysinv._i18n import _
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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 types
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from sysinv.common import exception
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from sysinv.common import utils as cutils
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from sysinv import objects
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LOG = log.getLogger(__name__)
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class PtpInstanceMapPatchType(types.JsonPatchType):
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@staticmethod
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def mandatory_attrs():
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return []
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class PtpInstanceMap(base.APIBase):
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"""API representation of a PTP instance map to host.
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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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a PTP instance association to host.
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"""
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created_at = wtypes.datetime.datetime
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"Timestamp of creation of this PTP instance mapping"
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id = int
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"Unique ID for this PTP instance mapping"
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uuid = types.uuid
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"Unique UUID for this PTP instance mapping"
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host_id = int
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"ID of the associated host"
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hostname = wtypes.text
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"Name of the associated host"
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ptp_instance_id = int
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"ID of the associated PTP instance"
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name = wtypes.text
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"Name of the associated PTP instance"
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service = wtypes.text
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"Service type of the associated PTP instance"
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def __init__(self, **kwargs):
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self.fields = list(objects.ptp_instance_map.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))
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@classmethod
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def convert_with_links(cls, rpc_ptp_instance_map, expand=True):
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ptp_instance_map = PtpInstanceMap(**rpc_ptp_instance_map.as_dict())
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if not expand:
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ptp_instance_map.unset_fields_except(
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['uuid', 'host_id', 'hostname', 'ptp_instance_id',
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'name', 'service', 'created_at'])
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LOG.debug("PtpInstanceMap.convert_with_links: converted %s" %
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ptp_instance_map.as_dict())
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return ptp_instance_map
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class PtpInstanceMapCollection(collection.Collection):
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"""API representation of a collection of PTP instance maps."""
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ptp_instance_maps = [PtpInstanceMap]
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"A list containing PTP instance mapping objects"
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def __init__(self, **kwargs):
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self._type = 'ptp_instance_maps'
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@classmethod
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def convert_with_links(cls, rpc_ptp_instance_maps, limit, url=None,
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expand=False, **kwargs):
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collection = PtpInstanceMapCollection()
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collection.ptp_instance_maps = \
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[PtpInstanceMap.convert_with_links(p, expand)
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for p in rpc_ptp_instance_maps]
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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 = 'PtpInstanceMapController'
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class PtpInstanceMapController(rest.RestController):
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"""REST controller for PTP instance map."""
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@wsme_pecan.wsexpose(PtpInstanceMap, types.uuid)
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def get_one(self, ptp_instance_map_uuid):
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"""Retrieve a single PTP instance."""
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LOG.debug("PtpInstanceMapController.get_one: uuid=%s" %
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ptp_instance_map_uuid)
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try:
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ptp_instance_map = objects.ptp_instance_map.get_by_uuid(
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pecan.request.context,
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ptp_instance_map_uuid)
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except exception.InvalidParameterValue:
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raise wsme.exc.ClientSideError(
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_("No PTP instance mapping found for %s"
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% ptp_instance_map_uuid))
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return PtpInstanceMap.convert_with_links(ptp_instance_map)
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def _check_instance_exists(self, id):
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LOG.debug("PtpInstanceMapController._check_instance_exists: "
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"id %d" % id)
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try:
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pecan.request.dbapi.ptp_instance_get(id)
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except exception.PtpInstanceNotFound:
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raise wsme.exc.ClientSideError(
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_("No PTP parameter object found with id %d" % id))
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def _check_host_exists(self, id):
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LOG.debug("PtpInstanceMapController._check_host_exists: "
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"id %d" % id)
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try:
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pecan.request.dbapi.ihost_get(id)
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except exception.ServerNotFound:
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raise wsme.exc.ClientSideError(
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_("No host found with id %d" % id))
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@cutils.synchronized(LOCK_NAME)
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@wsme_pecan.wsexpose(PtpInstanceMap, body=PtpInstanceMap)
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def post(self, ptp_instance_map):
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"""Create a new PTP instance mapping."""
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ptp_instance_map_dict = ptp_instance_map.as_dict()
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LOG.debug("PtpInstanceMapController.post: %s"
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% ptp_instance_map_dict)
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self._check_instance_exists(ptp_instance_map_dict['ptp_instance_id'])
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self._check_host_exists(ptp_instance_map_dict['host_id'])
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result = pecan.request.dbapi.ptp_instance_set_host(
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ptp_instance_map_dict)
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return PtpInstanceMap.convert_with_links(result)
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@cutils.synchronized(LOCK_NAME)
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@wsme_pecan.wsexpose(None, types.uuid, status_code=204)
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def delete(self, ptp_instance_map_uuid):
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"""Delete a PTP instance mapping."""
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LOG.debug("PtpInstanceMapController.delete: %s"
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% ptp_instance_map_uuid)
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ptp_instance_map = objects.ptp_instance_map.get_by_uuid(
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pecan.request.context, ptp_instance_map_uuid)
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pecan.request.dbapi.ptp_parameter_unset_host(
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ptp_instance_map.as_dict())
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