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 congressclient.v1 import client
24 # NOTE: icmp message with all zero data (checksum = 0xf7ff)
25 # see https://tools.ietf.org/html/rfc792
26 ICMP_ECHO_MESSAGE = '\x08\x00\xf7\xff\x00\x00\x00\x00'
28 SUPPORTED_INSPECTOR_TYPES = ['sample', 'congress']
30 LOG = doctor_log.Logger('doctor_monitor').getLogger()
33 class DoctorMonitorSample(object):
35 interval = 0.1 # second
36 timeout = 0.1 # second
37 event_type = "compute.host.down"
39 def __init__(self, args):
40 if args.inspector_type not in SUPPORTED_INSPECTOR_TYPES:
41 raise Exception("Inspector type '%s' not supported", args.inspector_type)
43 self.hostname = args.hostname
44 self.inspector_type = args.inspector_type
45 self.ip_addr = args.ip or socket.gethostbyname(self.hostname)
47 if self.inspector_type == 'sample':
48 self.inspector_url = 'http://127.0.0.1:12345/events'
49 elif self.inspector_type == 'congress':
50 auth=identity_auth.get_identity_auth()
51 sess=session.Session(auth=auth)
52 congress = client.Client(session=sess, service_type='policy')
53 ds = congress.list_datasources()['results']
54 doctor_ds = next((item for item in ds if item['driver'] == 'doctor'),
57 congress_endpoint = congress.httpclient.get_endpoint(auth=auth)
58 self.inspector_url = ('%s/v1/data-sources/%s/tables/events/rows' %
59 (congress_endpoint, doctor_ds['id']))
62 LOG.debug("start ping to host %(h)s (ip=%(i)s)" % {'h': self.hostname,
64 sock = socket.socket(socket.AF_INET, socket.SOCK_RAW,
66 sock.settimeout(self.timeout)
69 sock.sendto(ICMP_ECHO_MESSAGE, (self.ip_addr, 0))
70 data = sock.recv(4096)
71 except socket.timeout:
72 LOG.info("doctor monitor detected at %s" % time.time())
74 LOG.info("ping timeout, quit monitoring...")
76 time.sleep(self.interval)
78 def report_error(self):
81 'id': 'monitor_sample_id1',
82 'time': datetime.now().isoformat(),
83 'type': self.event_type,
85 'hostname': self.hostname,
87 'monitor': 'monitor_sample',
88 'monitor_event_id': 'monitor_sample_event1'
92 data = json.dumps(payload)
94 if self.inspector_type == 'sample':
95 headers = {'content-type': 'application/json'}
96 requests.post(self.inspector_url, data=data, headers=headers)
97 elif self.inspector_type == 'congress':
99 'Content-Type': 'application/json',
100 'Accept': 'application/json',
101 'X-Auth-Token':self.session.get_token(),
103 requests.put(self.inspector_url, data=data, headers=headers)
107 parser = argparse.ArgumentParser(description='Doctor Sample Monitor')
108 parser.add_argument('hostname', metavar='HOSTNAME', type=str, nargs='?',
109 help='a hostname to monitor connectivity')
110 parser.add_argument('ip', metavar='IP', type=str, nargs='?',
111 help='an IP address to monitor connectivity')
112 parser.add_argument('inspector_type', metavar='INSPECTOR_TYPE', type=str, nargs='?',
113 help='inspector to report',
115 return parser.parse_args()
120 monitor = DoctorMonitorSample(args)
124 if __name__ == '__main__':