977f3af83f
This patch provides support for installing dcos on centos using magnum. A new coe type(dcos) is added. This provides support for vm. Design spec and steps on how to test can be found in contrib/drivers/dcos_centos_v1/README.md. Public agent nodes are not supported now. Co-Authored-By: fengbeihong (fengbeihong@gmail.com) Co-Authored-By: vmud213 (vinay50muddu@yahoo.com) Change-Id: I58b378b4bd6df34fd43307e4252cfbbd9bf593d8 Partially-Implements: blueprint mesos-dcos
75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
# 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 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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from oslo_serialization import jsonutils
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from magnum.common import urlfetch
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from magnum.conductor import monitors
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class DcosMonitor(monitors.MonitorBase):
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def __init__(self, context, cluster):
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super(DcosMonitor, self).__init__(context, cluster)
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self.data = {}
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@property
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def metrics_spec(self):
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return {
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'memory_util': {
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'unit': '%',
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'func': 'compute_memory_util',
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},
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'cpu_util': {
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'unit': '%',
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'func': 'compute_cpu_util',
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},
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}
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# See https://github.com/dcos/adminrouter#ports-summary
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# Use http://<mesos-master>/mesos/ instead of http://<mesos-master>:5050
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def _build_url(self, url, protocol='http', server_name='mesos', path='/'):
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return protocol + '://' + url + '/' + server_name + path
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def _is_leader(self, state):
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return state['leader'] == state['pid']
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def pull_data(self):
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self.data['mem_total'] = 0
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self.data['mem_used'] = 0
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self.data['cpu_total'] = 0
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self.data['cpu_used'] = 0
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for master_addr in self.cluster.master_addresses:
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mesos_master_url = self._build_url(master_addr,
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server_name='mesos',
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path='/state')
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master = jsonutils.loads(urlfetch.get(mesos_master_url))
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if self._is_leader(master):
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for slave in master['slaves']:
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self.data['mem_total'] += slave['resources']['mem']
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self.data['mem_used'] += slave['used_resources']['mem']
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self.data['cpu_total'] += slave['resources']['cpus']
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self.data['cpu_used'] += slave['used_resources']['cpus']
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break
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def compute_memory_util(self):
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if self.data['mem_total'] == 0 or self.data['mem_used'] == 0:
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return 0
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else:
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return self.data['mem_used'] * 100 / self.data['mem_total']
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def compute_cpu_util(self):
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if self.data['cpu_total'] == 0 or self.data['cpu_used'] == 0:
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return 0
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else:
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return self.data['cpu_used'] * 100 / self.data['cpu_total']
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