Source code for ceilometer.hardware.discovery

# -*- encoding: utf-8 -*-
#
# 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
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from oslo.config import cfg

from ceilometer import nova_client
from ceilometer.openstack.common.gettextutils import _
from ceilometer.openstack.common import log
from ceilometer import plugin


LOG = log.getLogger(__name__)

OPTS = [
    cfg.StrOpt('url_scheme',
               default='snmp://',
               help='URL scheme to use for hardware nodes'),
    cfg.StrOpt('readonly_user_name',
               default='ro_snmp_user',
               help='SNMPd user name of all nodes running in the cloud.'),
    cfg.StrOpt('readonly_user_password',
               default='password',
               help='SNMPd password of all the nodes running in the cloud.',
               secret=True),
]
cfg.CONF.register_opts(OPTS, group='hardware')


[docs]class NodesDiscoveryTripleO(plugin.DiscoveryBase): def __init__(self): super(NodesDiscoveryTripleO, self).__init__() self.nova_cli = nova_client.Client() @staticmethod def _address(instance, field): return instance.addresses['ctlplane'][0].get(field)
[docs] def discover(self, manager, param=None): """Discover resources to monitor.""" instances = self.nova_cli.instance_get_all() resources = [] for instance in instances: try: ip_address = self._address(instance, 'addr') final_address = ( cfg.CONF.hardware.url_scheme + cfg.CONF.hardware.readonly_user_name + ':' + cfg.CONF.hardware.readonly_user_password + '@' + ip_address) resource = { 'resource_id': instance.id, 'resource_url': final_address, 'mac_addr': self._address(instance, 'OS-EXT-IPS-MAC:mac_addr'), 'image_id': instance.image['id'], 'flavor_id': instance.flavor['id'] } resources.append(resource) except KeyError: LOG.error(_("Couldn't obtain IP address of" "instance %s") % instance.id) return resources