0b7c6401dd
This patch is the first of 3 patches to change the internal usage of the terms Bay and BayModel. This patch updates BayModel to ClusterTemplate. No functionality should be changed by this patch, just naming and db updates. Change-Id: I0803e81be6482962be2878a8ea2c7480f89111ac Implements: blueprint rename-bay-to-cluster
79 lines
2.2 KiB
Python
79 lines
2.2 KiB
Python
# Copyright 2015 Huawei Technologies Co.,LTD.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import abc
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from oslo_config import cfg
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from oslo_log import log
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from oslo_utils import importutils
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import six
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from magnum.objects.fields import BayType as bay_type
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LOG = log.getLogger(__name__)
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CONF = cfg.CONF
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CONF.import_opt('docker_remote_api_version',
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'magnum.common.docker_utils',
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group='docker')
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CONF.import_opt('default_timeout',
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'magnum.common.docker_utils',
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group='docker')
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COE_CLASS_PATH = {
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bay_type.SWARM: 'magnum.conductor.swarm_monitor.SwarmMonitor',
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bay_type.KUBERNETES: 'magnum.conductor.k8s_monitor.K8sMonitor',
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bay_type.MESOS: 'magnum.conductor.mesos_monitor.MesosMonitor'
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}
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@six.add_metaclass(abc.ABCMeta)
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class MonitorBase(object):
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def __init__(self, context, bay):
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self.context = context
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self.bay = bay
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@abc.abstractproperty
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def metrics_spec(self):
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"""Metric specification."""
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@abc.abstractmethod
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def pull_data(self):
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"""Pull data for monitoring."""
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def get_metric_names(self):
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return self.metrics_spec.keys()
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def get_metric_unit(self, metric_name):
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return self.metrics_spec[metric_name]['unit']
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def compute_metric_value(self, metric_name):
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func_name = self.metrics_spec[metric_name]['func']
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func = getattr(self, func_name)
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return func()
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def create_monitor(context, bay):
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if bay.cluster_template.coe in COE_CLASS_PATH:
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coe_cls = importutils.import_class(
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COE_CLASS_PATH[bay.cluster_template.coe])
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return coe_cls(context, bay)
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LOG.debug("Cannot create monitor with bay type '%s'",
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bay.cluster_template.coe)
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return None
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