ironicclient.v1.allocation

Source code for ironicclient.v1.allocation

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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']
[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})
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