2e01369ed9
Fixes existing pep8 errors after initial commit. Change-Id: Ic4741a9d090b87afed3a19cad62249637e0fbce3
286 lines
11 KiB
Python
286 lines
11 KiB
Python
# Copyright (c) 2012 OpenStack Foundation
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# All Rights Reserved.
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#
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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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from ord.client import rpcapi
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from ord.common import exceptions as exc
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from ord.common import utils
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from ord.common.utils import ErrorCode
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from ord.db import api as db_api
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from ord.i18n import _
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from ord.openstack.common import log
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from oslo_config import cfg
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from pecan import expose
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from urllib2 import HTTPError
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import datetime
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import json
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import oslo_messaging as messaging
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import urllib2
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import uuid
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import webob
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import webob.exc
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LOG = log.getLogger(__name__)
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CONF = cfg.CONF
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orm_opts = [
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cfg.StrOpt('rds_listener_endpoint',
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help='Endpoint to rds_listener ')
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]
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opts = [
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cfg.StrOpt('region',
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help='Region')
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]
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CONF.register_opts(opts)
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opt_group = cfg.OptGroup(name='orm',
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title='Options for the orm service')
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CONF.register_group(opt_group)
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CONF.register_opts(orm_opts, opt_group)
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class ListenerQueueHandler(object):
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def __init__(self):
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super(ListenerQueueHandler, self).__init__()
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def invoke_listener_rpc(self, ctxt, payload):
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LOG.debug(" ----- message from Engine -----")
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LOG.debug(" Payload: %s \n ctxt: %s " % (str(payload), str(ctxt)))
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LOG.debug(" -------------------------------")
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listener_response_body = {}
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try:
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listener_response_body = json.loads(payload)
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LOG.debug(" Payload to RDS Listener %s " % listener_response_body)
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headers = {'Content-type': 'application/json'}
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rds_url = CONF.orm.rds_listener_endpoint
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req = urllib2.Request(rds_url,
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json.dumps(listener_response_body),
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headers)
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args = {}
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template_status_id = None
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if 'rds-listener' in listener_response_body:
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error_code = (listener_response_body['rds-listener']
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['error-code'])
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error_msg = (listener_response_body['rds-listener']
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['error-msg'])
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args['error_msg'] = error_msg
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args['error_code'] = error_code
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template_status_id = (listener_response_body['rds-listener']
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['ord-notifier-id'])
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status_code = None
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try:
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LOG.info('Connecting to RDS at %s' % rds_url)
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resp = urllib2.urlopen(req)
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status = utils.STATUS_RDS_SUCCESS
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if resp is not None:
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status_code = resp.getcode()
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except (HTTPError, Exception) as e:
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status = utils.STATUS_RDS_ERROR
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if "getcode" in dir(e):
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status_code = e.getcode()
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raise exc.RDSListenerHTTPError(error_msg=error_msg,
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error_code=error_code)
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except ValueError as e:
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status = utils.STATUS_RDS_ERROR
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LOG.error('Error while parsing input payload %r', e)
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except Exception as ex:
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status = utils.STATUS_RDS_ERROR
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LOG.error('Error while calling RDS Listener %r', ex)
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finally:
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LOG.info('RDS Listener status %s ' % status)
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LOG.info('RDS Listener status code %s ' % status_code)
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db_api.update_target_data(template_status_id, status, **args)
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class NotifierController(object):
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def __init__(self):
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super(NotifierController, self).__init__()
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self._rpcapi = rpcapi.RpcAPI()
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def _prepare_response_message(self, kwargs, target_data,
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status, error_msg=None, error_code=None):
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LOG.debug("Create response body with status %s \
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code %s " % (status, error_code))
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LOG.debug("message-body %r " % kwargs)
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response_body = kwargs
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response_body['status'] = status
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if error_code is not None:
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response_body['error_msg'] = error_msg
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response_body['error_code'] = error_code
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return response_body
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def _validate_request(self, kwargs):
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error_code = None
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error_msg = None
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template = db_api.retrieve_template(kwargs['request_id'])
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LOG.debug('Template from DB Call %r ' % template)
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template_target = None
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if template is not None:
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template_target = db_api.retrieve_target(kwargs['request_id'])
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LOG.debug('Template target from DB Call %r ' % template_target)
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if template is not None:
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if template_target['status'] == \
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utils.STATUS_SUBMITTED:
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error_code = ErrorCode.ORD_002.value
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error_msg = ErrorCode.tostring(error_code)
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elif kwargs.get('resource-template-name') == \
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template_target.get('resource_template_name') and \
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(template_target.get('status') == utils.STATUS_SUBMITTED or
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template_target.get('resource_operation') ==
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kwargs.get('resource-operation')):
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error_code = ErrorCode.ORD_001.value
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error_msg = ErrorCode.tostring(error_code)
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return error_code, error_msg
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def _persist_notification_record(self, kwargs):
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LOG.debug("Persist Template record to database")
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kwargs['time_stamp'] = str(datetime.datetime.now())
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error_code, error_msg = self._validate_request(kwargs)
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if error_code is not None:
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response = self._prepare_response_message(kwargs,
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kwargs,
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status='Not Submitted',
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error_msg=error_msg,
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error_code=error_code)
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return response
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db_api.create_template(kwargs)
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response = self._prepare_response_message(kwargs,
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kwargs,
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status='Submitted')
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return response
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def _validate_input_request(self, payload):
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for key in payload:
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if " " in payload.get(key):
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LOG.debug('Input payload contain white spaces %s' %
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str(payload))
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msg = _('%s contains white spaces') % key
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raise webob.exc.HTTPBadRequest(explanation=msg)
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@expose(generic=True)
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def ord_notifier(self, **args):
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raise webob.exc.HTTPNotFound
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@ord_notifier.when(method='GET', template='json')
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def ord_notifier_status(self, **vals):
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template_id = vals.get('Id')
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payload = {}
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LOG.debug('Request for check Status by Id %s ' % template_id)
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template = db_api.retrieve_template(template_id)
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if template is not None:
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template_target = db_api.retrieve_target(template_id)
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payload = utils.create_rds_payload(template, template_target)
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LOG.debug('Payload for check Status by Id:%s is:%s'
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% (template_id, payload))
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return payload
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@ord_notifier.when(method='POST', template='json')
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def ord_notifier_POST(self, **vals):
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vals = vals['ord-notifier']
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request_id = vals.get('request-id')
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if request_id is None:
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msg = _("A valid request_id parameter is required")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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# FIXME we don't process this field. So why for it here?
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resource_type = vals.get('resource-type')
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if resource_type is None:
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msg = _("A valid resource_type parameter is required")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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# FIXME we support specific set of operation. We must check
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# that received operation is in support list.
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resource_operation = vals.get('operation')
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if resource_operation is None:
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msg = _("A valid resource_operation parameter is required")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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resource_name = vals.get('resource-template-name')
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if resource_name is None:
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msg = _("A valid resource-template-name parameter is required")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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# FIXME: why is this needed?
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template_version = vals.get('resource-template-version')
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# FIXME: we can handle only 'hot' or 'ansible' values here
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# Everything else must be rejected here.
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template_type = vals.get('resource-template-type')
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if template_type is None:
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template_type = utils.TEMPLATE_TYPE_HEAT
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status_id = str(uuid.uuid4())
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region = vals.get('region')
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if region is None:
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msg = _("A valid region is required")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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elif region != CONF.region:
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msg = _("Invalid region specified")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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resource_id = ''
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if 'resource-id' in vals:
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resource_id = vals.get('resource-id')
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kwargs = {
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'request_id': str(request_id),
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'resource_id': resource_id,
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'template_type': template_type,
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'resource_operation': resource_operation,
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'resource_name': resource_name,
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'resource_type': resource_type,
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'resource_template_version': template_version,
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'template_status_id': status_id,
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'status': utils.STATUS_SUBMITTED,
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'region': region
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}
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self._validate_input_request(kwargs)
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LOG.debug('Payload to DB call %r ' % kwargs)
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db_response = self._persist_notification_record(kwargs=kwargs)
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response = {}
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vals['status'] = db_response['status']
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if 'error_code' in db_response:
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vals['error-code'] = db_response['error_code']
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vals['error-msg'] = db_response['error_msg']
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response['ord-notifier-response'] = vals
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if 'error_code' not in db_response:
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LOG.debug("----- message to Engine -----")
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LOG.debug(" message: %s \nstatus_id: %s" %
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(str(kwargs), str(status_id)))
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LOG.debug("-----------------------------")
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payload = str(kwargs)
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try:
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ctxt = {'request_id': kwargs.get('request_id')}
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self._rpcapi.invoke_notifier_rpc(ctxt, payload)
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except messaging.MessageDeliveryFailure:
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LOG.error("Fail to deliver message")
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else:
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LOG.debug("Template submission to DB failed with %s "
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% db_response['error_msg'])
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LOG.debug("Message to engine is not triggered")
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return response
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