osm_mon/dashboarder/service.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Copyright 2018 Whitestack, LLC
   4 # *************************************************************
   5
   6 # This file is part of OSM Monitoring module
   7 # All Rights Reserved to Whitestack, LLC
   8
   9 # Licensed under the Apache License, Version 2.0 (the "License"); you may
  10 # not use this file except in compliance with the License. You may obtain
  11 # a copy of the License at
  12
  13 #         http://www.apache.org/licenses/LICENSE-2.0
  14
  15 # Unless required by applicable law or agreed to in writing, software
  16 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  17 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  18 # License for the specific language governing permissions and limitations
  19 # under the License.
  20 # For those usages not covered by the Apache License, Version 2.0 please
  21 # contact: glavado@whitestack.com
  22 ##
  23 import logging
  24
  25 from osm_mon.core.common_db import CommonDbClient
  26 from osm_mon.core.config import Config
  27 import osm_mon.dashboarder.backends.grafana as grafana
  28 from osm_mon import __path__ as mon_path
  29
  30 log = logging.getLogger(__name__)
  31
  32
  33 class DashboarderService:
  34     def __init__(self, config: Config):
  35         self.conf = config
  36         self.common_db = CommonDbClient(self.conf)
  37
  38     def create_dashboards(self):
  39         # TODO lavado: migrate these methods to mongo change streams
  40         # Lists all dashboards and OSM resources for later comparisons
  41         dashboard_uids = grafana.get_all_dashboard_uids()
  42         osm_resource_uids = []
  43
  44         # Reads existing project list and creates a dashboard for each
  45         projects = self.common_db.get_projects()
  46         for project in projects:
  47             project_id = project['_id']
  48             # Collect Project IDs for periodical dashboard clean-up
  49             osm_resource_uids.append(project_id)
  50             dashboard_path = '{}/dashboarder/templates/project_scoped.json'.format(mon_path[0])
  51             if project_id not in dashboard_uids:
  52                 project_name = project['name']
  53                 grafana.create_dashboard(project_id, project_name,
  54                                          dashboard_path)
  55                 log.debug('Created dashboard for Project: %s', project_id)
  56             else:
  57                 log.debug('Dashboard already exists')
  58
  59         # Reads existing NS list and creates a dashboard for each
  60         # TODO lavado: only create for ACTIVE NSRs
  61         nsrs = self.common_db.get_nsrs()
  62         for nsr in nsrs:
  63             nsr_id = nsr['_id']
  64             dashboard_path = '{}/dashboarder/templates/ns_scoped.json'.format(mon_path[0])
  65             # Collect NS IDs for periodical dashboard clean-up
  66             osm_resource_uids.append(nsr_id)
  67             # Check if the NSR's VNFDs contain metrics
  68             constituent_vnfds = nsr['nsd']['constituent-vnfd']
  69             for constituent_vnfd in constituent_vnfds:
  70                 try:
  71                     vnfd = self.common_db.get_vnfd_by_name(constituent_vnfd['vnfd-id-ref'])
  72                     # If there are metrics, create dashboard (if exists)
  73                     if 'monitoring-param' in vnfd:
  74                         if nsr_id not in dashboard_uids:
  75                             nsr_name = nsr['name']
  76                             grafana.create_dashboard(nsr_id, nsr_name,
  77                                                      dashboard_path)
  78                             log.debug('Created dashboard for NS: %s', nsr_id)
  79                         else:
  80                             log.debug('Dashboard already exists')
  81                         break
  82                     else:
  83                         log.debug('NS does not has metrics')
  84                 except Exception:
  85                     log.exception("VNFD is not valid or has been renamed")
  86                     continue
  87
  88         # Delete obsolete dashboards
  89         for dashboard_uid in dashboard_uids:
  90             if dashboard_uid not in osm_resource_uids:
  91                 grafana.delete_dashboard(dashboard_uid)
  92                 log.debug('Deleted obsolete dashboard: %s', dashboard_uid)
  93             else:
  94                 log.debug('All dashboards in use')