1 ##############################################################################
2 # Copyright (c) 2016 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 ##############################################################################
11 from datetime import datetime
13 import logger as doctor_log
20 from keystoneauth1 import session
21 from congressclient.v1 import client
25 # NOTE: icmp message with all zero data (checksum = 0xf7ff)
26 # see https://tools.ietf.org/html/rfc792
27 ICMP_ECHO_MESSAGE = '\x08\x00\xf7\xff\x00\x00\x00\x00'
29 SUPPORTED_INSPECTOR_TYPES = ['sample', 'congress']
31 LOG = doctor_log.Logger('doctor_monitor').getLogger()
34 class DoctorMonitorSample(object):
36 interval = 0.1 # second
37 timeout = 0.1 # second
38 event_type = "compute.host.down"
40 def __init__(self, args):
41 if args.inspector_type not in SUPPORTED_INSPECTOR_TYPES:
42 raise Exception("Inspector type '%s' not supported", args.inspector_type)
44 self.hostname = args.hostname
45 self.inspector_type = args.inspector_type
46 self.ip_addr = args.ip or socket.gethostbyname(self.hostname)
48 if self.inspector_type == 'sample':
49 self.inspector_url = 'http://127.0.0.1:12345/events'
50 elif self.inspector_type == 'congress':
51 auth=identity_auth.get_identity_auth()
52 self.session=session.Session(auth=auth)
53 congress = client.Client(session=self.session, service_type='policy')
54 ds = congress.list_datasources()['results']
55 doctor_ds = next((item for item in ds if item['driver'] == 'doctor'),
58 congress_endpoint = congress.httpclient.get_endpoint(auth=auth)
59 self.inspector_url = ('%s/v1/data-sources/%s/tables/events/rows' %
60 (congress_endpoint, doctor_ds['id']))
63 LOG.debug("start ping to host %(h)s (ip=%(i)s)" % {'h': self.hostname,
65 sock = socket.socket(socket.AF_INET, socket.SOCK_RAW,
67 sock.settimeout(self.timeout)
70 sock.sendto(ICMP_ECHO_MESSAGE, (self.ip_addr, 0))
71 data = sock.recv(4096)
72 except socket.timeout:
73 LOG.info("doctor monitor detected at %s" % time.time())
75 LOG.info("ping timeout, quit monitoring...")
77 time.sleep(self.interval)
79 def report_error(self):
82 'id': 'monitor_sample_id1',
83 'time': datetime.now().isoformat(),
84 'type': self.event_type,
86 'hostname': self.hostname,
88 'monitor': 'monitor_sample',
89 'monitor_event_id': 'monitor_sample_event1'
93 data = json.dumps(payload)
95 if self.inspector_type == 'sample':
96 headers = {'content-type': 'application/json'}
97 requests.post(self.inspector_url, data=data, headers=headers)
98 elif self.inspector_type == 'congress':
100 'Content-Type': 'application/json',
101 'Accept': 'application/json',
102 'X-Auth-Token':self.session.get_token(),
104 requests.put(self.inspector_url, data=data, headers=headers)
108 parser = argparse.ArgumentParser(description='Doctor Sample Monitor')
109 parser.add_argument('hostname', metavar='HOSTNAME', type=str, nargs='?',
110 help='a hostname to monitor connectivity')
111 parser.add_argument('ip', metavar='IP', type=str, nargs='?',
112 help='an IP address to monitor connectivity')
113 parser.add_argument('inspector_type', metavar='INSPECTOR_TYPE', type=str, nargs='?',
114 help='inspector to report',
116 return parser.parse_args()
121 monitor = DoctorMonitorSample(args)
125 if __name__ == '__main__':