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
  29 log = logging.getLogger(__name__)
  30
  31
  32 class DashboarderService:
  33     def __init__(self, config: Config):
  34         self.conf = config
  35         self.common_db = CommonDbClient(self.conf)
  36
  37     def create_dashboards(self):
  38         # TODO lavado: migrate these methods to mongo change streams
  39         # Lists all dashboards and OSM resources for later comparisons
  40         dashboard_uids = grafana.get_all_dashboard_uids()
  41         osm_resource_uids = []
  42
  43         # Reads existing project list and creates a dashboard for each
  44         projects = self.common_db.get_projects()
  45         for project in projects:
  46             project_id = project['_id']
  47             # Collect Project IDs for periodical dashboard clean-up
  48             osm_resource_uids.append(project_id)
  49             dashboard_path = '/mon/osm_mon/dashboarder/templates/project_scoped.json'
  50             if project_id not in dashboard_uids:
  51                 project_name = project['name']
  52                 grafana.create_dashboard(project_id, project_name,
  53                                          dashboard_path)
  54                 log.debug('Created dashboard for Project: %s', project_id)
  55             else:
  56                 log.debug('Dashboard already exists')
  57
  58         # Reads existing NS list and creates a dashboard for each
  59         # TODO lavado: only create for ACTIVE NSRs
  60         nsrs = self.common_db.get_nsrs()
  61         for nsr in nsrs:
  62             nsr_id = nsr['_id']
  63             dashboard_path = '/mon/osm_mon/dashboarder/templates/ns_scoped.json'
  64             # Collect NS IDs for periodical dashboard clean-up
  65             osm_resource_uids.append(nsr_id)
  66             # Check if the NSR's VNFDs contain metrics
  67             constituent_vnfds = nsr['nsd']['constituent-vnfd']
  68             for constituent_vnfd in constituent_vnfds:
  69                 try:
  70                     vnfd = self.common_db.get_vnfd_by_name(constituent_vnfd['vnfd-id-ref'])
  71                     # If there are metrics, create dashboard (if exists)
  72                     if 'monitoring-param' in vnfd:
  73                         if nsr_id not in dashboard_uids:
  74                             nsr_name = nsr['name']
  75                             grafana.create_dashboard(nsr_id, nsr_name,
  76                                                      dashboard_path)
  77                             log.debug('Created dashboard for NS: %s', nsr_id)
  78                         else:
  79                             log.debug('Dashboard already exists')
  80                         break
  81                     else:
  82                         log.debug('NS does not has metrics')
  83                 except Exception:
  84                     log.exception("VNFD is not valid or has been renamed")
  85                     continue
  86
  87         # Delete obsolete dashboards
  88         for dashboard_uid in dashboard_uids:
  89             if dashboard_uid not in osm_resource_uids:
  90                 grafana.delete_dashboard(dashboard_uid)
  91                 log.debug('Deleted obsolete dashboard: %s', dashboard_uid)
  92             else:
  93                 log.debug('All dashboards in use')