Kanagaraj Manickam
e575760d3c
It also make required keystone config changes as part of devstack plugin, which helps the functional test cases to successfully complete and it makes inline with existing tacker conf. Closes-bug: #1592247 Change-Id: I545ceb2c9e61c22dbd8a0e1ee39a6e4fa24f8e88
139 lines
5.0 KiB
Python
139 lines
5.0 KiB
Python
# Copyright 2016 Brocade Communications System, 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 express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import threading
|
|
import time
|
|
import uuid
|
|
|
|
from oslo_config import cfg
|
|
from oslo_log import log as logging
|
|
from oslo_utils import excutils
|
|
|
|
from tacker.common import driver_manager
|
|
from tacker.common import log
|
|
from tacker.common import utils
|
|
from tacker import context as t_context
|
|
from tacker.db.nfvo import nfvo_db
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
def config_opts():
|
|
return [('nfvo', NfvoPlugin.OPTS)]
|
|
|
|
|
|
class NfvoPlugin(nfvo_db.NfvoPluginDb):
|
|
"""NFVO reference plugin for NFVO extension
|
|
|
|
Implements the NFVO extension and defines public facing APIs for VIM
|
|
operations. NFVO internally invokes the appropriate VIM driver in
|
|
backend based on configured VIM types. Plugin also interacts with VNFM
|
|
extension for providing the specified VIM information
|
|
"""
|
|
supported_extension_aliases = ['nfvo']
|
|
_lock = threading.RLock()
|
|
|
|
OPTS = [
|
|
cfg.ListOpt(
|
|
'vim_drivers', default=['openstack'],
|
|
help=_('VIM driver for launching VNFs')),
|
|
cfg.IntOpt(
|
|
'monitor_interval', default=30,
|
|
help=_('Interval to check for VIM health')),
|
|
]
|
|
cfg.CONF.register_opts(OPTS, 'nfvo_vim')
|
|
|
|
def __init__(self):
|
|
super(NfvoPlugin, self).__init__()
|
|
self._vim_drivers = driver_manager.DriverManager(
|
|
'tacker.nfvo.vim.drivers',
|
|
cfg.CONF.nfvo_vim.vim_drivers)
|
|
self._created_vims = dict()
|
|
context = t_context.get_admin_context()
|
|
vims = self.get_vims(context)
|
|
for vim in vims:
|
|
self._created_vims[vim["id"]] = vim
|
|
self._monitor_interval = cfg.CONF.nfvo_vim.monitor_interval
|
|
threading.Thread(target=self.__run__).start()
|
|
|
|
def __run__(self):
|
|
while(1):
|
|
time.sleep(self._monitor_interval)
|
|
for created_vim in self._created_vims.values():
|
|
self.monitor_vim(created_vim)
|
|
|
|
@log.log
|
|
def create_vim(self, context, vim):
|
|
LOG.debug(_('Create vim called with parameters %s'), vim)
|
|
vim_obj = vim['vim']
|
|
vim_type = vim_obj['type']
|
|
vim_obj['id'] = str(uuid.uuid4())
|
|
vim_obj['status'] = 'PENDING'
|
|
try:
|
|
self._vim_drivers.invoke(vim_type, 'register_vim', vim_obj=vim_obj)
|
|
res = super(NfvoPlugin, self).create_vim(context, vim_obj)
|
|
vim_obj["status"] = "REGISTERING"
|
|
with self._lock:
|
|
self._created_vims[res["id"]] = res
|
|
self.monitor_vim(vim_obj)
|
|
return res
|
|
except Exception:
|
|
with excutils.save_and_reraise_exception():
|
|
self._vim_drivers.invoke(vim_type, 'delete_vim_auth',
|
|
vim_id=vim_obj['id'])
|
|
|
|
def _get_vim(self, context, vim_id):
|
|
if not self.is_vim_still_in_use(context, vim_id):
|
|
return self.get_vim(context, vim_id)
|
|
|
|
@log.log
|
|
def update_vim(self, context, vim_id, vim):
|
|
vim_obj = self._get_vim(context, vim_id)
|
|
utils.deep_update(vim_obj, vim['vim'])
|
|
vim_type = vim_obj['type']
|
|
try:
|
|
self._vim_drivers.invoke(vim_type, 'register_vim', vim_obj=vim_obj)
|
|
return super(NfvoPlugin, self).update_vim(context, vim_id, vim_obj)
|
|
except Exception:
|
|
with excutils.save_and_reraise_exception():
|
|
self._vim_drivers.invoke(vim_type, 'delete_vim_auth',
|
|
vim_id=vim_obj['id'])
|
|
|
|
@log.log
|
|
def delete_vim(self, context, vim_id):
|
|
vim_obj = self._get_vim(context, vim_id)
|
|
self._vim_drivers.invoke(vim_obj['type'], 'deregister_vim',
|
|
vim_id=vim_id)
|
|
with self._lock:
|
|
self._created_vims.pop(vim_id, None)
|
|
super(NfvoPlugin, self).delete_vim(context, vim_id)
|
|
|
|
@log.log
|
|
def monitor_vim(self, vim_obj):
|
|
vim_id = vim_obj["id"]
|
|
auth_url = vim_obj["auth_url"]
|
|
vim_status = self._vim_drivers.invoke(vim_obj['type'],
|
|
'vim_status',
|
|
auth_url=auth_url)
|
|
current_status = "REACHABLE" if vim_status else "UNREACHABLE"
|
|
if current_status != vim_obj["status"]:
|
|
status = current_status
|
|
with self._lock:
|
|
super(NfvoPlugin, self).update_vim_status(
|
|
t_context.get_admin_context(),
|
|
vim_id, status)
|
|
self._created_vims[vim_id]["status"] = status
|