1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
###############################################################################
# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) #
# and others #
# #
# All rights reserved. This program and the accompanying materials #
# are made available under the terms of the Apache License, Version 2.0 #
# which accompanies this distribution, and is available at #
# http://www.apache.org/licenses/LICENSE-2.0 #
###############################################################################
from monitoring.setup.monitoring_simple_object import MonitoringSimpleObject
class MonitoringInstance(MonitoringSimpleObject):
def __init__(self, env):
super().__init__(env)
# monitoring setup for instance can only be done after vNIC is found
# and network for vNIC is set, so the first call will not do anything
def create_setup(self, instance: dict):
vnics = self.inv.find_items({
'environment': self.get_env(),
'type': 'vnic',
'vnic_type': 'instance_vnic',
'id_path': {'$regex': '^{}/'.format(instance['id_path'])}
})
for vnic in vnics:
self.add_instance_communication_monitoring(instance, vnic)
# for instance we keep list of instance vNICs and services to use in call
# to check_instance_communications.py
# add this vNIC to the list with the corresponding
def add_instance_communication_monitoring(self, instance: dict, vnic: dict):
service = self.get_service_for_vnic(vnic)
if not service:
return
check = self.get_check_from_db(instance)
services_and_vnics = check.get('command', '')
if services_and_vnics:
services_and_vnics = \
services_and_vnics[services_and_vnics.index('.py')+4:]
services_and_vnics_list = \
services_and_vnics.split(';') if services_and_vnics \
else []
service_and_vnic = '{},{}'.format(service.get('local_service_id', ''),
vnic.get('id'))
if service_and_vnic in services_and_vnics_list:
return # we already have this tuple define
services_and_vnics_list.append(service_and_vnic)
values = {
'objtype': 'instance',
'objid': self.encode_special_characters(instance['id']),
'host': service['host'],
'services_and_vnics': ';'.join(services_and_vnics_list)
}
self.create_monitoring_for_object(instance, values)
def get_service_for_vnic(self, vnic: dict) -> dict:
services = self.inv.find_items({'environment': self.get_env(),
'type': 'vservice',
'network': vnic.get('network', '')})
if not services:
return {}
dhcp = next(s for s in services if s.get('service_type') == 'dhcp')
if dhcp:
return dhcp # If we have both DHCP and router, return the DHCP
return services[0] # currently only DHCP and router services
|