# 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.
from oslo_log.log import logging
from zun.api import servicegroup
from zun.scheduler import filters
LOG = logging.getLogger(__name__)
class ComputeFilter(filters.BaseHostFilter):
"""Filter on active Compute nodes"""
def __init__(self):
self.servicegroup_api = servicegroup.ServiceGroup()
super(ComputeFilter, self).__init__()
# Host state does not change within a request
run_filter_once_per_request = True
def host_passes(self, host_state, container, extra_spec):
"""Returns True for only active compute nodes"""
service = host_state.service
#
# 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 functools
from oslo_log.log import logging
from oslo_utils import timeutils
from zun.common import utils
from zun.pci import stats as pci_stats
LOG = logging.getLogger(__name__)
class HostState(object):
"""Mutable and immutable information tracked for a host.
This is an attempt to remove the ad-hoc data structures.
"""
def __init__(self, host):
self.hostname = host
self._lock_name = host
self.uuid = None
# Mutable available resources.
# These will change as resources are virtually "consumed".
self.mem_available = 0