88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
"""
|
|
Copyright (c) 2014 Thoughtworks.
|
|
Copyright (c) 2018 Platform9 Systems Inc.
|
|
All Rights reserved
|
|
Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
not use this file except in compliance with the License. You may obtain
|
|
a copy of the License at
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
WARRANTIES OR CONDITIONS OF ANY KIND, either expressed or implied. See the
|
|
License for the specific language governing permissions and limitations
|
|
under the License.
|
|
"""
|
|
|
|
import eventlet
|
|
eventlet.monkey_patch() # noqa
|
|
|
|
from six.moves import urllib
|
|
|
|
import boto3
|
|
|
|
from kombu import Connection
|
|
from kombu import Exchange
|
|
from kombu.mixins import ConsumerMixin
|
|
from kombu import Queue
|
|
|
|
from oslo_config import cfg
|
|
from oslo_log import log as logging
|
|
|
|
from nova.virt.ec2.credshelper import get_credentials_all
|
|
|
|
CONF = cfg.CONF
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def _get_ec2_conn(creds):
|
|
ec2_conn = boto3.client(
|
|
"ec2", region_name=CONF.AWS.region_name,
|
|
aws_access_key_id=creds['aws_access_key_id'],
|
|
aws_secret_access_key=creds['aws_secret_access_key'])
|
|
return ec2_conn
|
|
|
|
|
|
def _delete_keypairs_by_name(key_name):
|
|
credentials = get_credentials_all()
|
|
for creds in credentials:
|
|
ec2_conn = _get_ec2_conn(creds)
|
|
ec2_conn.delete_key_pair(KeyName=key_name)
|
|
|
|
|
|
class NovaNotificationsHandler(ConsumerMixin):
|
|
nova_exchange = 'nova'
|
|
routing_key = 'notifications.info'
|
|
queue_name = 'notifications.omni.keypair'
|
|
events_of_interest = ['keypair.delete.start', 'keypair.delete.end']
|
|
instance_events = ['compute.instance.update']
|
|
|
|
def __init__(self):
|
|
_transport_url = CONF.transport_url
|
|
# Change tranport for Kombu as it accepts different
|
|
# names for transport.
|
|
url_params = list(urllib.parse.urlparse(_transport_url))
|
|
url_params[0] = 'amqp'
|
|
self.broker_uri = urllib.parse.ParseResult(*tuple(url_params)).geturl()
|
|
self.connection = Connection(self.broker_uri, heartbeat=60)
|
|
|
|
def get_consumers(self, consumer, channel):
|
|
exchange = Exchange(self.nova_exchange, type="topic", durable=False)
|
|
queue = Queue(self.queue_name, exchange, routing_key=self.routing_key,
|
|
durable=False, auto_delete=True, no_ack=True)
|
|
return [consumer(queue, callbacks=[self.handle_notification])]
|
|
|
|
def _handle_keypair_notification(self, message_body):
|
|
key_name = message_body['payload']['key_name']
|
|
try:
|
|
LOG.info('Deleting %s keypair', key_name)
|
|
_delete_keypairs_by_name(key_name)
|
|
except Exception:
|
|
LOG.exception('Could not delete %s', key_name)
|
|
|
|
def handle_notification(self, body, message):
|
|
LOG.debug('Received notification - %r', body)
|
|
if 'event_type' in body and body['event_type'] in \
|
|
self.events_of_interest:
|
|
self._handle_keypair_notification(body)
|
|
message.ack()
|