You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.8 KiB
67 lines
1.8 KiB
# Copyright 2015 Huawei Technologies Co.,LTD. |
|
# |
|
# 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 abc |
|
|
|
from oslo_log import log |
|
import six |
|
|
|
from magnum.common import profiler |
|
import magnum.conf |
|
from magnum.drivers.common.driver import Driver |
|
|
|
|
|
LOG = log.getLogger(__name__) |
|
|
|
CONF = magnum.conf.CONF |
|
|
|
|
|
@profiler.trace_cls("rpc") |
|
@six.add_metaclass(abc.ABCMeta) |
|
class MonitorBase(object): |
|
|
|
def __init__(self, context, cluster): |
|
self.context = context |
|
self.cluster = cluster |
|
|
|
@abc.abstractproperty |
|
def metrics_spec(self): |
|
"""Metric specification.""" |
|
|
|
@abc.abstractmethod |
|
def pull_data(self): |
|
"""Pull data for monitoring.""" |
|
|
|
def get_metric_names(self): |
|
return self.metrics_spec.keys() |
|
|
|
def get_metric_unit(self, metric_name): |
|
return self.metrics_spec[metric_name]['unit'] |
|
|
|
def compute_metric_value(self, metric_name): |
|
func_name = self.metrics_spec[metric_name]['func'] |
|
func = getattr(self, func_name) |
|
return func() |
|
|
|
|
|
def create_monitor(context, cluster): |
|
cluster_driver = Driver.get_driver_for_cluster(context, cluster) |
|
monitor = cluster_driver.get_monitor(context, cluster) |
|
if monitor: |
|
return monitor |
|
|
|
LOG.debug("Cannot create monitor with cluster type '%s'", |
|
cluster.cluster_template.coe) |
|
return None
|
|
|