# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
from ironicclient.common import base
from ironicclient.common.i18n import _
from ironicclient.common import utils
from ironicclient import exc
LOG = logging.getLogger(__name__)
[docs]class Allocation(base.Resource):
def __repr__(self):
return "<Allocation %s>" % self._info
[docs]class AllocationManager(base.CreateManager):
resource_class = Allocation
_resource_name = 'allocations'
_creation_attributes = ['extra', 'name', 'resource_class', 'uuid',
'traits', 'candidate_nodes', 'node']
[docs] def list(self, resource_class=None, state=None, node=None, limit=None,
marker=None, sort_key=None, sort_dir=None, fields=None):
"""Retrieve a list of allocations.
:param resource_class: Optional, get allocations with this resource
class.
:param state: Optional, get allocations in this state. One of
``allocating``, ``active`` or ``error``.
:param node: UUID or name of the node of the allocation.
:param marker: Optional, the UUID of an allocation, eg the last
allocation from a previous result set. Return
the next result set.
:param limit: The maximum number of results to return per
request, if:
1) limit > 0, the maximum number of allocations to return.
2) limit == 0, return the entire list of allocations.
3) limit == None, the number of items returned respect the
maximum imposed by the Ironic API (see Ironic's
api.max_limit option).
:param sort_key: Optional, field used for sorting.
:param sort_dir: Optional, direction of sorting, either 'asc' (the
default) or 'desc'.
:param fields: Optional, a list with a specified set of fields
of the resource to be returned.
:returns: A list of allocations.
:raises: InvalidAttribute if a subset of fields is requested with
detail option set.
"""
if limit is not None:
limit = int(limit)
filters = utils.common_filters(marker, limit, sort_key, sort_dir,
fields)
for name, value in [('resource_class', resource_class),
('state', state), ('node', node)]:
if value is not None:
filters.append('%s=%s' % (name, value))
if filters:
path = '?' + '&'.join(filters)
else:
path = ''
if limit is None:
return self._list(self._path(path), "allocations")
else:
return self._list_pagination(self._path(path), "allocations",
limit=limit)
[docs] def get(self, allocation_id, fields=None):
"""Get an allocation with the specified identifier.
:param allocation_id: The UUID or name of an allocation.
:param fields: Optional, a list with a specified set of fields
of the resource to be returned. Can not be used
when 'detail' is set.
:returns: an :class:`Allocation` object.
"""
return self._get(resource_id=allocation_id, fields=fields)
[docs] def delete(self, allocation_id):
"""Delete the Allocation.
:param allocation_id: The UUID or name of an allocation.
"""
return self._delete(resource_id=allocation_id)
[docs] def wait(self, allocation_id, timeout=0, poll_interval=1,
poll_delay_function=None):
"""Wait for the Allocation to become active.
:param timeout: timeout in seconds, no timeout if 0.
:param poll_interval: interval in seconds between polls.
:param poll_delay_function: function to use to wait between polls
(defaults to time.sleep). Should take one argument - delay time
in seconds. Any exceptions raised inside it will abort the wait.
:return: updated :class:`Allocation` object.
:raises: StateTransitionFailed if allocation reaches the error state.
:raises: StateTransitionTimeout on timeout.
"""
timeout_msg = _('Allocation %(allocation)s failed to become active '
'in %(timeout)s seconds') % {
'allocation': allocation_id,
'timeout': timeout}
for _count in utils.poll(timeout, poll_interval, poll_delay_function,
timeout_msg):
allocation = self.get(allocation_id)
if allocation.state == 'error':
raise exc.StateTransitionFailed(
_('Allocation %(allocation)s failed: %(error)s') %
{'allocation': allocation_id,
'error': allocation.last_error})
elif allocation.state == 'active':
return allocation
LOG.debug('Still waiting for allocation %(allocation)s to become '
'active, the current state is %(actual)s',
{'allocation': allocation_id,
'actual': allocation.state})
[docs] def update(self, allocation_id, patch):
"""Updates the Allocation. Only 'name' and 'extra' field are allowed.
:param allocation_id: The UUID or name of an allocation.
:param patch: a json PATCH document to apply to this allocation.
"""
return self._update(resource_id=allocation_id, patch=patch)
