doctor_tests/installer/common/vitrage.py

   1 ##############################################################################
   2 # Copyright (c) 2017 ZTE Corporation and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9 import os
  10
  11
  12 vitrage_template_file = '/etc/vitrage/templates/vitrage_host_down_scenarios.yaml'
  13
  14 template = """
  15 metadata:
  16  name: host_down_scenarios
  17  description: scenarios triggered by Doctor monitor 'compute.host.down' alarm
  18 definitions:
  19  entities:
  20   - entity:
  21      category: ALARM
  22      name: compute.host.down
  23      template_id: host_down_alarm
  24   - entity:
  25      category: ALARM
  26      type: vitrage
  27      name: Instance Down
  28      template_id: instance_alarm
  29   - entity:
  30      category: RESOURCE
  31      type: nova.instance
  32      template_id: instance
  33   - entity:
  34      category: RESOURCE
  35      type: nova.host
  36      template_id: host
  37  relationships:
  38   - relationship:
  39      source: host_down_alarm
  40      relationship_type: on
  41      target: host
  42      template_id : host_down_alarm_on_host
  43   - relationship:
  44      source: host
  45      relationship_type: contains
  46      target: instance
  47      template_id : host_contains_instance
  48   - relationship:
  49      source: instance_alarm
  50      relationship_type: on
  51      target: instance
  52      template_id : alarm_on_instance
  53 scenarios:
  54  - scenario:
  55     condition: host_down_alarm_on_host
  56     actions:
  57      - action:
  58         action_type: set_state
  59         action_target:
  60          target: host
  61         properties:
  62          state: ERROR
  63      - action:
  64         action_type: mark_down
  65         action_target:
  66          target: host
  67  - scenario:
  68     condition: host_down_alarm_on_host and host_contains_instance
  69     actions:
  70      - action:
  71         action_type: raise_alarm
  72         action_target:
  73          target: instance
  74         properties:
  75          alarm_name: Instance Down
  76          severity: critical
  77  - scenario:
  78     condition: host_down_alarm_on_host and host_contains_instance and alarm_on_instance
  79     actions:
  80      - action:
  81         action_type: add_causal_relationship
  82         action_target:
  83          source: host_down_alarm
  84          target: instance_alarm
  85      - action:
  86         action_type: mark_down
  87         action_target:
  88           target: instance
  89 """
  90
  91
  92 def set_vitrage_host_down_template():
  93     if os.path.isfile(vitrage_template_file):
  94         print('Vitrage host_down template file: %s already exists.' % vitrage_template_file)
  95     else:
  96         print('Create Vitrage host_down template file:%s.' % vitrage_template_file)
  97         with open(vitrage_template_file, 'w') as file:
  98             file.write(template)