##############################################################################
import argparse
+import collections
from flask import Flask
from flask import request
import json
+import logger as doctor_log
import os
+import time
import novaclient.client as novaclient
import nova_force_down
+LOG = doctor_log.Logger('doctor_inspector').getLogger()
+
class DoctorInspectorSample(object):
- nova_api_version = 2.11
+ nova_api_version = '2.11'
def __init__(self):
+ self.servers = collections.defaultdict(list)
self.nova = novaclient.Client(self.nova_api_version,
os.environ['OS_USERNAME'],
os.environ['OS_PASSWORD'],
connection_pool=True)
# check nova is available
self.nova.servers.list(detailed=False)
+ self.init_servers_list()
+
+ def init_servers_list(self):
+ opts = {'all_tenants': True}
+ servers=self.nova.servers.list(search_opts=opts)
+ self.servers.clear()
+ for server in servers:
+ try:
+ host=server.__dict__.get('OS-EXT-SRV-ATTR:host')
+ self.servers[host].append(server)
+ LOG.debug('get hostname=%s from server=%s' % (host, server))
+ except Exception as e:
+ LOG.error('can not get hostname from server=%s' % server)
def disable_compute_host(self, hostname):
- opts = {'all_tenants': True, 'host': hostname}
- for server in self.nova.servers.list(detailed=False, search_opts=opts):
+ for server in self.servers[hostname]:
self.nova.servers.reset_state(server, 'error')
+ LOG.info('doctor mark vm(%s) error at %s' % (server, time.time()))
# NOTE: We use our own client here instead of this novaclient for a
# workaround. Once keystone provides v2.1 nova api endpoint
# self.nova.services.force_down(hostname, 'nova-compute', True)
#
nova_force_down.force_down(hostname)
+ LOG.info('doctor mark host(%s) down at %s' % (hostname, time.time()))
app = Flask(__name__)
@app.route('/events', methods=['POST'])
def event_posted():
- app.logger.debug('event posted')
- app.logger.debug('inspector = %s' % inspector)
- app.logger.debug('received data = %s' % request.data)
+ LOG.info('event posted at %s' % time.time())
+ LOG.info('inspector = %s' % inspector)
+ LOG.info('received data = %s' % request.data)
d = json.loads(request.data)
- hostname = d['hostname']
- event_type = d['type']
- if event_type == 'compute.host.down':
- inspector.disable_compute_host(hostname)
+ for event in d:
+ hostname = event['details']['hostname']
+ event_type = event['type']
+ if event_type == 'compute.host.down':
+ inspector.disable_compute_host(hostname)
return "OK"
def main():
args = get_args()
- app.run(port=args.port, debug=True)
+ app.run(port=args.port)
if __name__ == '__main__':