osm_mon/collector/infra_collectors/openstack.py

   1 # Copyright 2018 Whitestack, LLC
   2 # *************************************************************
   3
   4 # This file is part of OSM Monitoring module
   5 # All Rights Reserved to Whitestack, LLC
   6
   7 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   8 # not use this file except in compliance with the License. You may obtain
   9 # a copy of the License at
  10
  11 #         http://www.apache.org/licenses/LICENSE-2.0
  12
  13 # Unless required by applicable law or agreed to in writing, software
  14 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  15 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  16 # License for the specific language governing permissions and limitations
  17 # under the License.
  18
  19 # For those usages not covered by the Apache License, Version 2.0 please
  20 # contact: bdiaz@whitestack.com or glavado@whitestack.com
  21 ##
  22 import logging
  23 from typing import List
  24
  25 from keystoneauth1 import session
  26 from keystoneauth1.identity import v3
  27 from keystoneclient.v3 import client as keystone_client
  28 from novaclient import client as nova_client
  29 from novaclient import v2 as nova_client_v2
  30
  31 from osm_mon.collector.infra_collectors.base_vim import BaseVimInfraCollector
  32 from osm_mon.collector.metric import Metric
  33 from osm_mon.core.auth import AuthManager
  34 from osm_mon.core.common_db import CommonDbClient
  35 from osm_mon.core.config import Config
  36
  37 log = logging.getLogger(__name__)
  38
  39
  40 class OpenstackInfraCollector(BaseVimInfraCollector):
  41     def __init__(self, config: Config, vim_account_id: str):
  42         super().__init__(config, vim_account_id)
  43         self.auth_manager = AuthManager(config)
  44         self.keystone = self._build_keystone_client(vim_account_id)
  45         self.nova = self._build_nova_client(vim_account_id)
  46         self.vim_account_id = vim_account_id
  47         self.common_db = CommonDbClient(config)
  48
  49     def collect(self) -> List[Metric]:
  50         metrics = []
  51         vim_status = self.is_vim_ok()
  52         vim_status_metric = Metric({'vim_account_id': self.vim_account_id}, 'vim_status', vim_status)
  53         metrics.append(vim_status_metric)
  54         vnfrs = self.common_db.get_vnfrs(vim_account_id=self.vim_account_id)
  55         for vnfr in vnfrs:
  56             nsr_id = vnfr['nsr-id-ref']
  57             vnf_member_index = vnfr['member-vnf-index-ref']
  58             for vdur in vnfr['vdur']:
  59                 resource_uuid = vdur['vim-id']
  60                 vm = self.nova.servers.get(resource_uuid)
  61                 vm_status = (1 if vm.status == 'ACTIVE' else 0)
  62                 tags = {
  63                     'vim_account_id': self.vim_account_id,
  64                     'resource_uuid': resource_uuid,
  65                     'nsr_id': nsr_id,
  66                     'vnf_member_index': vnf_member_index,
  67                     'vdur_name': vdur['name']
  68                 }
  69                 vm_status_metric = Metric(tags, 'vm_status', vm_status)
  70                 metrics.append(vm_status_metric)
  71
  72         return metrics
  73
  74     def is_vim_ok(self) -> bool:
  75         try:
  76             self.keystone.projects.list()
  77             return True
  78         except Exception:
  79             log.exception("VIM status is not OK!")
  80             return False
  81
  82     def _build_keystone_client(self, vim_account_id) -> keystone_client.Client:
  83         sess = self._get_session(vim_account_id)
  84         return keystone_client.Client(session=sess)
  85
  86     def _build_nova_client(self, vim_account_id) -> nova_client_v2.Client:
  87         sess = self._get_session(vim_account_id)
  88         return nova_client.Client("2", session=sess)
  89
  90     def _get_session(self, vim_account_id):
  91         creds = self.auth_manager.get_credentials(vim_account_id)
  92         verify_ssl = self.auth_manager.is_verify_ssl(vim_account_id)
  93         auth = v3.Password(auth_url=creds.url,
  94                            username=creds.user,
  95                            password=creds.password,
  96                            project_name=creds.tenant_name,
  97                            project_domain_id='default',
  98                            user_domain_id='default')
  99         return session.Session(auth=auth, verify=verify_ssl)