1 ##############################################################################
2 # Copyright (c) 2017 NEC Corporation and others.
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 ##############################################################################
12 from datetime import datetime
16 from requests.exceptions import ConnectionError
18 from keystoneauth1 import loading
19 from keystoneauth1 import session
20 from congressclient.v1 import client
23 def write_debug(str_write, write_type, compute_user):
24 file_name = ('/home/%s/monitor.log' % compute_user)
25 file_tmp = open(file_name, write_type)
26 file_tmp.write( "%s" % str_write)
30 class DoctorMonitorCollectd(object):
33 self.compute_user = ''
36 self.inspector_type = ''
37 self.inspector_url = ''
41 self.os_project_name = ''
42 self.os_user_domain_name = ''
43 self.os_user_domain_id = ''
44 self.os_project_domain_name = ''
45 self.os_project_domain_id = ''
48 self.inspector_notified = 0
49 self.start_notifications = 0
50 self.monitor_type = 'sample'
52 def config_func(self, config):
53 for node in config.children:
54 key = node.key.lower()
57 if key == 'compute_host':
59 elif key == 'control_ip':
61 elif key == 'compute_ip':
63 elif key == 'compute_user':
64 self.compute_user = val
65 elif key == 'inspector_type':
66 self.inspector_type = val
67 elif key == 'os_auth_url':
68 self.os_auth_url = val
69 elif key == 'os_username':
70 self.os_username = val
71 elif key == 'os_password':
72 self.os_password = val
73 elif key == 'os_project_name':
74 self.os_project_name = val
75 elif key == 'os_user_domain_name':
76 self.os_user_domain_name = val
77 elif key == 'os_user_domain_id':
78 self.os_user_domain_id = val
79 elif key == 'os_project_domain_name':
80 self.os_project_domain_name = val
81 elif key == 'os_project_domain_id':
82 self.os_project_domain_id = val
84 collectd.info('Unknown config key "%s"' % key)
86 def init_collectd(self):
87 write_debug("Compute node collectd monitor start at %s\n\n" % datetime.now().isoformat(), "w", self.compute_user)
89 if self.inspector_type == 'sample':
90 self.inspector_url = ('http://%s:12345/events' % self.control_ip)
91 elif self.inspector_type == 'congress':
92 loader = loading.get_plugin_loader('password')
93 self.auth = loader.load_from_options(auth_url=self.os_auth_url,
94 username=self.os_username,
95 password=self.os_password,
96 project_name=self.os_project_name,
97 user_domain_name=self.os_user_domain_name,
98 user_domain_id=self.os_user_domain_id,
99 project_domain_name=self.os_project_domain_name,
100 project_domain_id=self.os_project_domain_id)
101 self.sess=session.Session(auth=self.auth)
102 congress = client.Client(session=self.sess, service_type='policy')
103 ds = congress.list_datasources()['results']
104 doctor_ds = next((item for item in ds if item['driver'] == 'doctor'),
107 congress_endpoint = congress.httpclient.get_endpoint(auth=self.auth)
108 self.inspector_url = ('%s/v1/data-sources/%s/tables/events/rows' %
109 (congress_endpoint, doctor_ds['id']))
112 self.start_notifications = 1
115 def notify_inspector(self):
116 event_type = "compute.host.down"
119 'id': ("monitor_%s_id1" % self.monitor_type),
120 'time': datetime.now().isoformat(),
123 'hostname': self.host_name,
125 'monitor': ("monitor_%s" % self.monitor_type),
126 'monitor_event_id': ("monitor_%s_event1" % self.monitor_type)
130 data = json.dumps(payload)
131 self.inspector_notified = 1
133 if self.inspector_type == 'sample':
134 headers = {'content-type': 'application/json'}
136 requests.post(self.inspector_url, data=data, headers=headers)
137 except ConnectionError as err:
139 elif self.inspector_type == 'congress':
140 # TODO(umar) enhance for token expiry case
142 'Content-Type': 'application/json',
143 'Accept': 'application/json',
144 'X-Auth-Token': self.sess.get_token()
146 requests.put(self.inspector_url, data=data, headers=headers)
149 def handle_notif(self, notification, data=None):
150 if (notification.severity == collectd.NOTIF_FAILURE or
151 notification.severity == collectd.NOTIF_WARNING):
152 if (self.start_notifications == 1 and self.inspector_notified == 0):
153 write_debug("Received down notification: doctor monitor detected at %s\n" % time.time(), "a", self.compute_user)
154 self.notify_inspector()
156 elif notification.severity == collectd.NOTIF_OKAY:
157 collectd.info("Interface status: UP again %s\n" % time.time())
159 collectd.info("Unknown notification severity %s\n" % notification.severity)
162 monitor = DoctorMonitorCollectd()
164 collectd.register_config(monitor.config_func)
165 collectd.register_init(monitor.init_collectd)
166 collectd.register_notification(monitor.handle_notif)