134 lines
5.0 KiB
Python
134 lines
5.0 KiB
Python
# -*- encoding: utf-8 -*-
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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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 timeutils
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from ceilometer import nova_client
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from ceilometer.polling import plugin_base
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LOG = log.getLogger(__name__)
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OPTS = [
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cfg.StrOpt('url_scheme',
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default='snmp://',
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help='URL scheme to use for hardware nodes.'),
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cfg.StrOpt('readonly_user_name',
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default='ro_snmp_user',
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help='SNMPd user name of all nodes running in the cloud.'),
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cfg.StrOpt('readonly_user_password',
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default='password',
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help='SNMPd v3 authentication password of all the nodes '
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'running in the cloud.',
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secret=True),
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cfg.StrOpt('readonly_user_auth_proto',
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choices=['md5', 'sha'],
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help='SNMPd v3 authentication algorithm of all the nodes '
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'running in the cloud'),
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cfg.StrOpt('readonly_user_priv_proto',
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choices=['des', 'aes128', '3des', 'aes192', 'aes256'],
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help='SNMPd v3 encryption algorithm of all the nodes '
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'running in the cloud'),
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cfg.StrOpt('readonly_user_priv_password',
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help='SNMPd v3 encryption password of all the nodes '
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'running in the cloud.',
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secret=True),
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cfg.StrOpt('tripleo_network_name',
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default='ctlplane',
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help='Name of the control plane Tripleo network')
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]
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class NodesDiscoveryTripleO(plugin_base.DiscoveryBase):
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def __init__(self, conf):
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super(NodesDiscoveryTripleO, self).__init__(conf)
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self.nova_cli = nova_client.Client(conf)
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self.last_run = None
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self.instances = {}
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def _make_resource_url(self, ip):
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hwconf = self.conf.hardware
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url = hwconf.url_scheme
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username = hwconf.readonly_user_name
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password = hwconf.readonly_user_password
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if username:
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url += username
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if password:
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url += ':' + password
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if username or password:
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url += '@'
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url += ip
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opts = ['auth_proto', 'priv_proto', 'priv_password']
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query = "&".join(opt + "=" + hwconf['readonly_user_%s' % opt]
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for opt in opts
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if hwconf['readonly_user_%s' % opt])
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if query:
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url += '?' + query
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return url
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def discover(self, manager, param=None):
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"""Discover resources to monitor.
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instance_get_all will return all instances if last_run is None,
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and will return only the instances changed since the last_run time.
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"""
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try:
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instances = self.nova_cli.instance_get_all(self.last_run)
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except Exception:
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# NOTE(zqfan): instance_get_all is wrapped and will log exception
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# when there is any error. It is no need to raise it again and
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# print one more time.
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return []
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for instance in instances:
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if getattr(instance, 'OS-EXT-STS:vm_state', None) in ['deleted',
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'error']:
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self.instances.pop(instance.id, None)
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else:
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self.instances[instance.id] = instance
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self.last_run = timeutils.utcnow(True).isoformat()
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resources = []
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for instance in self.instances.values():
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addresses = instance.addresses.get(
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self.conf.hardware.tripleo_network_name)
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if addresses is None:
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# NOTE(sileht): This is not a tripleo undercloud instance, this
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# is a cheap detection if ironic node deployed by tripleo, but
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# nova don't expose anything more useful and we must not log a
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# ERROR when the instance is not a tripleo undercloud one.
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continue
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try:
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ip_address = addresses[0].get('addr')
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final_address = self._make_resource_url(ip_address)
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resource = {
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'resource_id': instance.id,
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'resource_url': final_address,
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'mac_addr': addresses[0].get('OS-EXT-IPS-MAC:mac_addr'),
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'image_id': instance.image['id'],
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'flavor_id': instance.flavor['id']
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}
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resources.append(resource)
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except KeyError:
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LOG.error("Couldn't obtain IP address of "
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"instance %s" % instance.id)
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return resources
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