700 lines
27 KiB
Python
700 lines
27 KiB
Python
# -*- coding: utf-8 -*-
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import functools
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from oslo_config import cfg
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from oslo_context import context
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from oslo_log import log
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from oslo_utils import timeutils
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from namos.common import config
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from namos.common import exception
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from namos.common import messaging
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from namos.common import utils
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from namos.db import api as db_api
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from namos.db import openstack_drivers
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LOG = log.getLogger(__name__)
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config.register_conductor_opts()
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CONF = cfg.CONF
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def request_context(func):
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@functools.wraps(func)
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def wrapped(self, ctx, *args, **kwargs):
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if ctx is not None and not isinstance(ctx, context.RequestContext):
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ctx = context.RequestContext.from_dict(ctx.to_dict())
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return func(self, ctx, *args, **kwargs)
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return wrapped
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class ConductorManager(object):
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RPC_API_VERSION = '1.0'
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TOPIC = config.MESSAGE_QUEUE_CONDUCTOR_TOPIC
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@request_context
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def add_region(self, context, region):
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# Move this try except to wrpper fn of the db layer
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try:
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db_api.region_create(context, region)
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except: # noqa
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raise exception.NamosException()
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@request_context
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def region_get_all(self, context):
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return db_api.region_get_all(context)
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@request_context
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def register_myself(self, context, registration_info):
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LOG.info("REGISTER [%s.%s.%s] START" % (
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registration_info['project_name'],
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registration_info['prog_name'],
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registration_info['identification']
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))
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# Service processing
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sp = ServiceProcessor(context,
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self,
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registration_info)
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service_component_id, service_worker_id = sp.process_service(context)
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# Device Driver processing
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dp = DriverProcessor(service_worker_id,
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registration_info['config_dict'])
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dp.process_drivers(context)
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LOG.info("REGISTER [%s.%s.%s] DONE" % (
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registration_info['project_name'],
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registration_info['prog_name'],
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registration_info['identification']
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))
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self._regisgration_ackw(context,
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registration_info['identification'])
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sp.cleanup(service_component_id)
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return service_worker_id
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def _regisgration_ackw(self, context, identification):
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client = messaging.get_rpc_client(topic='namos.CONF.%s' %
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identification,
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version=self.RPC_API_VERSION,
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exchange=config.PROJECT_NAME)
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client.cast(context,
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'regisgration_ackw',
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identification=identification)
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LOG.info("REGISTER [%s] ACK" % identification)
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def _ping(self, context, identification):
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client = messaging.get_rpc_client(
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topic='namos.CONF.%s' % identification,
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version=self.RPC_API_VERSION,
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exchange=config.PROJECT_NAME)
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try:
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client.call(context,
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'ping_me',
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identification=identification)
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LOG.debug("PING [%s] SUCCESSFUL" % identification)
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return True
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except: # noqa
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LOG.debug("PING [%s] FAILED" % identification)
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return False
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@request_context
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def heart_beat(self, context, identification, dieing=False):
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try:
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sw = db_api.service_worker_get_all_by(context,
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pid=identification)
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if len(sw) == 1:
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if not dieing:
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db_api.service_worker_update(
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context,
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sw[0].id,
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dict(updated_at=timeutils.utcnow()))
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LOG.info("HEART-BEAT LIVE %s " % identification)
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else:
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db_api.service_worker_delete(context,
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sw[0].id)
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LOG.info("HEART-BEAT STOPPED %s " % identification)
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else:
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LOG.error("HEART-BEAT FAILED, No service worker registered "
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"with identification %s " % identification)
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except Exception as e: # noqa
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LOG.error("HEART-BEAT FAILED %s " % e)
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@request_context
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def service_perspective_get(self,
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context,
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service_id,
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include_details=False):
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return db_api.service_perspective_get(context,
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service_id,
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include_details)
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@request_context
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def device_perspective_get(self,
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context,
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device_id,
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include_details=False):
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return db_api.device_perspective_get(context,
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device_id,
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include_details)
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@request_context
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def region_perspective_get(self,
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context,
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region_id,
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include_details=False):
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return db_api.region_perspective_get(context,
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region_id,
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include_details)
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@request_context
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def infra_perspective_get(self, context):
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return db_api.infra_perspective_get(context)
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@request_context
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def view_360(self, context):
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return db_api.view_360(context)
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@request_context
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def config_get_by_name_for_service_worker(self,
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context,
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service_worker_id,
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name=None,
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only_configured=True):
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return db_api.config_get_by_name_for_service_worker(context,
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service_worker_id,
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name,
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only_configured)
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class ServiceProcessor(object):
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def __init__(self,
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context,
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manager,
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registration_info):
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self.registration_info = registration_info
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self.manager = manager
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self.context = context
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def file_to_configs(self, file_content):
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tmp_file_path = '/tmp/sample-namos-config.conf'
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with open(tmp_file_path, 'w') as file:
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file.write(file_content)
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with open(tmp_file_path, 'r') as file:
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section = ''
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conf_dict = dict()
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for line in file:
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if line.strip().startswith('['):
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section = line.replace('[', '').replace(']', '').strip()
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continue
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if section:
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kv = line.strip().split('=')
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conf_dict[
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'%s::%s' % (section, kv[0].strip())] = None
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import os
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os.remove(tmp_file_path)
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return conf_dict
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def process_service(self, context):
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# region
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# If region is not provided, make it as belongs to namos's region
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if not self.registration_info.get('region_name'):
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self.registration_info[
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'region_name'] = cfg.CONF.os_namos.region_name
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try:
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region = db_api.region_create(
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context,
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dict(name=self.registration_info.get('region_name'))
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)
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LOG.info('Region %s is created' % region)
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except exception.AlreadyExist:
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region = db_api.region_get_by_name(
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context,
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name=self.registration_info.get('region_name')
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)
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LOG.info('Region %s is existing' % region)
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# Service Node
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try:
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# TODO(mrkanag) user proper node name instead of fqdn
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node = db_api.service_node_create(
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context,
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dict(name=self.registration_info.get('fqdn'),
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fqdn=self.registration_info.get('fqdn'),
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region_id=region.id))
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LOG.info('Service node %s is created' % node)
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except exception.AlreadyExist:
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# TODO(mrkanag) is this to be region specifc search
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node = db_api.service_node_get_by_name(
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context,
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self.registration_info.get('fqdn'))
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LOG.info('Service node %s is existing' % node)
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# Service
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try:
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s_id = 'b9c2549f-f685-4bc2-92e9-ba8af9c18591'
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service = db_api.service_create(
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context,
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# TODO(mrkanag) use keystone python client and
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# use real service id here
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dict(name=self.registration_info.get('project_name'),
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keystone_service_id=s_id))
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LOG.info('Service %s is created' % service)
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except exception.AlreadyExist:
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service = db_api.service_get_by_name(
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context,
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self.registration_info.get('project_name'))
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LOG.info('Service %s is existing' % service)
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# Service Component
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try:
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service_component = db_api.service_component_create(
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context,
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dict(name=self.registration_info['prog_name'],
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node_id=node.id,
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service_id=service.id))
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LOG.info('Service Component %s is created' % service_component)
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except exception.AlreadyExist:
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service_components = \
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db_api.service_component_get_all_by_node_for_service(
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context,
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node_id=node.id,
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service_id=service.id,
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name=self.registration_info['prog_name']
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)
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if len(service_components) == 1:
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service_component = service_components[0]
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LOG.info('Service Component %s is existing' %
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service_component)
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# TODO(mrkanag) what to do when service_components size is > 1
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# Service Worker
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try:
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service_worker = db_api.service_worker_create(
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context,
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# TODO(mrkanag) Fix the name, device driver proper !
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dict(name='%s@%s' % (self.registration_info['pid'],
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service_component.name),
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pid=self.registration_info['identification'],
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host=self.registration_info['host'],
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service_component_id=service_component.id,
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deleted_at=None,
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is_launcher=self.registration_info['i_am_launcher']
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))
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LOG.info('Service Worker %s is created' % service_worker)
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except exception.AlreadyExist:
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LOG.info('Service Worker %s is existing' %
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db_api.service_worker_get_all_by(
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context,
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pid=self.registration_info['identification'],
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service_component_id=service_component.id
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)[0])
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# config file
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conf_files = dict()
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for cfg_f in self.registration_info['config_file_list']:
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try:
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config_file = db_api.config_file_create(
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context,
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dict(name=cfg_f,
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file=self.registration_info[
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'config_file_dict'][cfg_f],
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service_component_id=service_component.id,
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service_node_id=node.id))
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LOG.info('Oslo config file %s is created' % config_file)
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except exception.AlreadyExist:
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config_files = \
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db_api.config_file_get_by_name_for_service_node(
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context,
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service_node_id=node.id,
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name=cfg_f
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)
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if len(config_files) == 1:
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config_file = \
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db_api.config_file_update(
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context,
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config_files[0].id,
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dict(file=self.registration_info[
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'config_file_dict'][cfg_f]))
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LOG.info('Oslo config file %s is existing and is updated'
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% config_file)
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config_dict = self.file_to_configs(
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self.registration_info['config_file_dict'][cfg_f]
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)
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conf_files[config_file.id] = config_dict
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# Config
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# TODO(mrkanag) Optimize the config like per service_component
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# or per service_worker,
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for cfg_name, cfg_obj in self.registration_info[
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'config_dict'].iteritems():
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cfg_schs = db_api.config_schema_get_by(
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context=context,
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group=cfg_obj['group'],
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name=cfg_obj['name']
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)
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if len(cfg_schs) > 1:
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cfg_sche = cfg_schs[0]
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LOG.debug("Config Schema %s is existing and is updated" %
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cfg_sche)
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else:
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try:
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cfg_sche = db_api.config_schema_create(
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context,
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dict(
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namespace='UNKNOWN-NAMOS',
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default_value=cfg_obj['default_value'],
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type=cfg_obj['type'],
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help=cfg_obj['help'],
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required=cfg_obj['required'],
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secret=cfg_obj['secret'],
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mutable=False,
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group_name=cfg_obj['group'],
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name=cfg_obj['name']
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)
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)
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LOG.debug("Config Schema %s is created" % cfg_sche)
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except exception.AlreadyExist:
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cfg_schs = db_api.config_schema_get_by(
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context=context,
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group=cfg_obj['group'],
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name=cfg_obj['name'],
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namespace='UNKNOWN-NAMOS'
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)
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cfg_sche = cfg_schs[0]
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LOG.debug("Config Schema %s is existing and is updated" %
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cfg_sche)
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# is it part of config file
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cfg_name = "%s::%s" % (cfg_obj['group'], cfg_name)
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file_id = None
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for f_id, conf_keys in conf_files.items():
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if cfg_name in conf_keys.keys():
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file_id = f_id
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break
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cfg_obj_ = dict(
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service_worker_id=service_worker.id,
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name=cfg_name,
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value=cfg_obj['value'],
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oslo_config_schema_id=cfg_sche.id,
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oslo_config_file_id=file_id
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)
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try:
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config = db_api.config_create(context, cfg_obj_)
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LOG.debug("Config %s is created" % config)
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except exception.AlreadyExist:
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configs = db_api.config_get_by_name_for_service_worker(
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context,
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service_worker_id=cfg_obj_['service_worker_id'],
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name=cfg_obj_['name'])
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if len(configs) == 1:
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config = db_api.config_update(context,
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configs[0].id,
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cfg_obj_)
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LOG.debug("Config %s is existing and is updated" % config)
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return service_component.id, service_worker.id
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def cleanup(self, service_component_id):
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# clean up the dead service workers
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# TODO(mrkanag) Make this into thread
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service_workers = \
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db_api.service_worker_get_all_by(
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context,
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service_component_id=service_component_id
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)
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for srv_wkr in service_workers:
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# TODO(mrkanag) Move this to db layer and query non deleted entries
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if srv_wkr.deleted_at is not None:
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continue
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if utils.find_status(srv_wkr):
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LOG.info('Service Worker %s is live'
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% srv_wkr.id)
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continue
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else:
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confs = db_api.config_get_by_name_for_service_worker(
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self.context,
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service_worker_id=srv_wkr.id
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)
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for conf in confs:
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db_api.config_delete(self.context, conf.id)
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LOG.debug('Config %s is deleted'
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% conf.id)
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db_api.service_worker_delete(self.context, srv_wkr.id)
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LOG.info('Service Worker %s is deleted'
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% srv_wkr.id)
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class DriverProcessor(object):
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def __init__(self, service_worker_id, config_dict):
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self.config_dict = config_dict
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self.service_worker_id = service_worker_id
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def _identify_drivers(self):
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return (set(openstack_drivers.get_drivers_config().keys()) &
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set(self.config_dict.keys()))
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def _get_value(self, name):
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if name is None:
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return name
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if isinstance(name, str):
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# Constant naming
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if name[0] == '#':
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return name[1:]
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return (self.config_dict[name].get('value') or
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self.config_dict[name].get('default_value'))
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elif isinstance(name, tuple):
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fn = name[0]
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args = list()
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for var in name[1:]:
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args.append(self._get_value(var))
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return fn(*args)
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elif isinstance(name, list):
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fmt_str = name[0]
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params = [self._get_value(param) for param in name[1:]]
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return fmt_str % tuple(params)
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@staticmethod
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def _to_list(list_in_str):
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def strip_out(s):
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start_idx = 0
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end_idx = len(s)
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if s[start_idx] == '[' \
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or s[start_idx] == '\'' \
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or s[start_idx] == '"':
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start_idx += 1
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if s[end_idx - 1] == ']' \
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or s[end_idx - 1] == '\'' \
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or s[end_idx - 1] == '"':
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end_idx -= 1
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return s[start_idx:end_idx]
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l = []
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for s in strip_out(list_in_str.strip()).split(','):
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s = str(strip_out(s.strip()))
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l.append(s)
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return l
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def process_drivers(self, context):
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for driver_key in self._identify_drivers():
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try:
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drivers = self._get_value(driver_key)
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drivers = DriverProcessor._to_list(drivers)
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for driver_name in drivers:
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self.process_driver(context, driver_key, driver_name)
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except KeyError: # noqa
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# TODO(mrkanag) run namos-manager and restart nova-scheduler
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# KeyError: 'libvirt.virt_type' is thrown, fix it
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LOG.error('Failed to process driver %s in service worker %s' %
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(driver_key, self.service_worker_id))
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continue
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def process_driver(self, context, driver_key, driver_name):
|
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driver_config = \
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openstack_drivers.get_drivers_config()[driver_key][driver_name]
|
|
|
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if driver_config.get('alias') is not None:
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alias = driver_config.get('alias')
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|
driver_config = \
|
|
openstack_drivers.get_drivers_config()
|
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for key in alias.split(':'):
|
|
driver_config = driver_config[key]
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driver_name = key
|
|
|
|
driver_def = \
|
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openstack_drivers.get_drivers_def()[driver_name]
|
|
|
|
connection = dict()
|
|
|
|
endpoint_type = None
|
|
connection_cfg = None
|
|
device_endpoint_name = None
|
|
device_cfg = None
|
|
child_device_cfg = None
|
|
|
|
if driver_config.get('device') is not None:
|
|
device_cfg = driver_config['device']
|
|
|
|
if driver_config['endpoint'].get('type') is not None:
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|
endpoint_type = driver_config['endpoint']['type']
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if endpoint_type[0] != '#':
|
|
endpoint_type = self._get_value(endpoint_type)
|
|
|
|
connection_cfg = driver_config['endpoint'][endpoint_type][
|
|
'connection']
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|
device_endpoint_name = self._get_value(
|
|
driver_config['endpoint'][endpoint_type]['name'])
|
|
# override the device name
|
|
if driver_config['endpoint'][endpoint_type].get(
|
|
'device') is not None:
|
|
device_cfg = driver_config['endpoint'][endpoint_type][
|
|
'device']
|
|
if driver_config['endpoint'][endpoint_type].get(
|
|
'child_device') is not None:
|
|
child_device_cfg = driver_config['endpoint'][
|
|
endpoint_type]['child_device']
|
|
else:
|
|
endpoint_type = None
|
|
connection_cfg = driver_config['endpoint']['connection']
|
|
device_endpoint_name = self._get_value(
|
|
driver_config['endpoint']['name']
|
|
)
|
|
# override the device name
|
|
if driver_config['endpoint'].get('device') is not None:
|
|
device_cfg = driver_config['endpoint']['device']
|
|
|
|
if driver_config['endpoint'].get('child_device') is not None:
|
|
child_device_cfg = driver_config['endpoint'][
|
|
'child_device']
|
|
|
|
# Device
|
|
device_name = self._get_value(device_cfg['name'])
|
|
try:
|
|
# TODO(mrkanag) region_id is hard-coded, fix it !
|
|
# Set the right status as well
|
|
device = db_api.device_create(
|
|
context,
|
|
dict(name=device_name,
|
|
status='active',
|
|
region_id='f7dcd175-27ef-46b5-997f-e6e572f320b0'))
|
|
|
|
LOG.info('Device %s is created' % device)
|
|
except exception.AlreadyExist:
|
|
device = db_api.device_get_by_name(
|
|
context,
|
|
device_name)
|
|
LOG.info('Device %s is existing' % device)
|
|
|
|
# TODO(mrkanag) Poperly Handle child devices
|
|
if child_device_cfg is not None:
|
|
for d_name in self._get_value(child_device_cfg['key']):
|
|
base_name = self._get_value(child_device_cfg['base_name'])
|
|
d_name = '%s-%s' % (base_name, d_name)
|
|
try:
|
|
device = db_api.device_get_by_name(
|
|
context,
|
|
d_name)
|
|
LOG.info('Device %s is existing' % device)
|
|
except exception.DeviceNotFound:
|
|
# TODO(mrkanag) region_id is hard-coded, fix it !
|
|
# Set the right status as well
|
|
r_id = 'f7dcd175-27ef-46b5-997f-e6e572f320b0'
|
|
device = db_api.device_create(
|
|
context,
|
|
dict(name=d_name,
|
|
status='active',
|
|
parent_id=device.id,
|
|
region_id=r_id))
|
|
|
|
LOG.info('Device %s is created' % device)
|
|
|
|
# Device Endpoint
|
|
try:
|
|
for k, v in connection_cfg.iteritems():
|
|
connection[k] = self._get_value(k)
|
|
|
|
device_endpoint = db_api.device_endpoint_create(
|
|
context,
|
|
dict(name=device_endpoint_name,
|
|
connection=connection,
|
|
type=endpoint_type,
|
|
device_id=device.id))
|
|
LOG.info('Device Endpoint %s is created' % device_endpoint)
|
|
except exception.AlreadyExist:
|
|
device_endpoints = db_api.device_endpoint_get_by_device_type(
|
|
context,
|
|
device_id=device.id,
|
|
type=endpoint_type,
|
|
name=device_endpoint_name)
|
|
if len(device_endpoints) >= 1:
|
|
device_endpoint = device_endpoints[0]
|
|
LOG.info('Device Endpoint %s is existing' %
|
|
device_endpoints[0])
|
|
|
|
# Device Driver Class
|
|
try:
|
|
device_driver_class = db_api.device_driver_class_create(
|
|
context,
|
|
dict(name=driver_name,
|
|
python_class=driver_name,
|
|
type=driver_def['type'],
|
|
device_id=device.id,
|
|
endpoint_id=device_endpoint.id,
|
|
service_worker_id=self.service_worker_id,
|
|
extra=driver_def.get('extra')))
|
|
LOG.info('Device Driver Class %s is created' %
|
|
device_driver_class)
|
|
except exception.AlreadyExist:
|
|
device_driver_class = db_api.device_driver_class_get_by_name(
|
|
context,
|
|
driver_name)
|
|
LOG.info('Device Driver Class %s is existing' %
|
|
device_driver_class)
|
|
|
|
# Device Driver
|
|
try:
|
|
device_driver = db_api.device_driver_create(
|
|
context,
|
|
dict(device_id=device.id,
|
|
name=driver_name,
|
|
endpoint_id=device_endpoint.id,
|
|
device_driver_class_id=device_driver_class.id,
|
|
service_worker_id=self.service_worker_id)
|
|
)
|
|
LOG.info('Device Driver %s is created' %
|
|
device_driver)
|
|
except exception.AlreadyExist:
|
|
device_drivers = \
|
|
db_api.device_driver_get_by_device_endpoint_service_worker(
|
|
context,
|
|
device_id=device.id,
|
|
endpoint_id=device_endpoint.id,
|
|
device_driver_class_id=device_driver_class.id,
|
|
service_worker_id=self.service_worker_id
|
|
)
|
|
if len(device_drivers) >= 1:
|
|
device_driver = device_drivers[0]
|
|
LOG.info('Device Driver %s is existing' %
|
|
device_driver)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
print (DriverProcessor(None, None)._to_list("[\"file\', \'http\']"))
|