src/osm_ngsa/osm_mon/vim_connectors/openstack.py

   1 #######################################################################################
   2 # Copyright ETSI Contributors and Others.
   3 #
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #    http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  13 # implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 #######################################################################################
  17 import logging
  18 from typing import Dict, List
  19
  20 from keystoneauth1 import session
  21 from keystoneauth1.identity import v3
  22 from novaclient import client as nova_client
  23 from osm_mon.vim_connectors.base_vim import VIMConnector
  24
  25 log = logging.getLogger(__name__)
  26
  27
  28 class CertificateNotCreated(Exception):
  29     pass
  30
  31
  32 class OpenStackCollector(VIMConnector):
  33     def __init__(self, vim_account: Dict):
  34         log.info("__init__")
  35         self.vim_account = vim_account
  36         self.vim_session = None
  37         self.vim_session = self._get_session(vim_account)
  38         self.nova = self._build_nova_client()
  39
  40     def _get_session(self, creds: Dict):
  41         verify_ssl = True
  42         project_domain_name = "Default"
  43         user_domain_name = "Default"
  44         try:
  45             if "config" in creds:
  46                 vim_config = creds["config"]
  47                 if "insecure" in vim_config and vim_config["insecure"]:
  48                     verify_ssl = False
  49                 if "ca_cert" in vim_config:
  50                     verify_ssl = vim_config["ca_cert"]
  51                 elif "ca_cert_content" in vim_config:
  52                     # vim_config = self._create_file_cert(vim_config, creds["_id"])
  53                     verify_ssl = vim_config["ca_cert"]
  54                 if "project_domain_name" in vim_config:
  55                     project_domain_name = vim_config["project_domain_name"]
  56                 if "user_domain_name" in vim_config:
  57                     user_domain_name = vim_config["user_domain_name"]
  58             auth = v3.Password(
  59                 auth_url=creds["vim_url"],
  60                 username=creds["vim_user"],
  61                 password=creds["vim_password"],
  62                 project_name=creds["vim_tenant_name"],
  63                 project_domain_name=project_domain_name,
  64                 user_domain_name=user_domain_name,
  65             )
  66             return session.Session(auth=auth, verify=verify_ssl, timeout=10)
  67         except CertificateNotCreated as e:
  68             log.error(e)
  69
  70     def _build_nova_client(self) -> nova_client.Client:
  71         return nova_client.Client("2", session=self.vim_session, timeout=10)
  72
  73     def collect_servers_status(self) -> List[Dict]:
  74         log.info("collect_servers_status")
  75         servers = []
  76         for server in self.nova.servers.list(detailed=True):
  77             vm = {
  78                 "id": server.id,
  79                 "name": server.name,
  80                 "status": (0 if (server.status == "ERROR") else 1),
  81             }
  82             servers.append(vm)
  83         return servers
  84
  85     def is_vim_ok(self) -> bool:
  86         try:
  87             self.nova.servers.list()
  88             return True
  89         except Exception as e:
  90             log.warning("VIM status is not OK: %s" % e)
  91             return False