Container Infrastructure Management Service for OpenStack
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

# 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