105 lines
3.8 KiB
Python
105 lines
3.8 KiB
Python
# Copyright 2012 OpenStack LLC.
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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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"""
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Routes all the requests to the task manager.
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"""
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import logging
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import traceback
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import sys
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from reddwarf import rpc
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from reddwarf.common import config
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from reddwarf.common import exception
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from reddwarf.common import utils
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CONFIG = config.Config
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LOG = logging.getLogger(__name__)
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class API(object):
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"""API for interacting with the task manager."""
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def __init__(self, context):
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self.context = context
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def _cast(self, method_name, **kwargs):
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if CONFIG.get("remote_implementation", "real") == "fake":
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self._fake_cast(method_name, **kwargs)
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else:
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self._real_cast(method_name, **kwargs)
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def _fake_cast(self, method_name, **kwargs):
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import eventlet
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from reddwarf.taskmanager.manager import TaskManager
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instance = TaskManager()
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method = getattr(instance, method_name)
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def func():
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try:
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method(self.context, **kwargs)
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except Exception as ex:
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type_, value, tb = sys.exc_info()
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logging.error("Error running async task:")
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logging.error((traceback.format_exception(type_, value, tb)))
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raise type_, value, tb
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eventlet.spawn_after(0, func)
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def _get_routing_key(self):
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"""Create the routing key for the taskmanager"""
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return CONFIG.get('taskmanager_queue', 'taskmanager')
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def _real_cast(self, method_name, **kwargs):
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try:
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rpc.cast(self.context, self._get_routing_key(),
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{"method": method_name, "args": kwargs})
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except Exception as e:
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LOG.error(e)
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raise exception.TaskManagerError(original_message=str(e))
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def resize_volume(self, new_size, instance_id):
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LOG.debug("Making async call to resize volume for instance: %s"
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% instance_id)
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self._cast("resize_volume", new_size=new_size, instance_id=instance_id)
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def resize_flavor(self, instance_id, new_flavor_id, old_memory_size,
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new_memory_size):
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LOG.debug("Making async call to resize flavor for instance: %s" %
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instance_id)
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self._cast("resize_flavor", instance_id=instance_id,
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new_flavor_id=new_flavor_id,
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old_memory_size=old_memory_size,
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new_memory_size=new_memory_size)
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def restart(self, instance_id):
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LOG.debug("Making async call to restart instance: %s" % instance_id)
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self._cast("restart", instance_id=instance_id)
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def delete_instance(self, instance_id):
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LOG.debug("Making async call to delete instance: %s" % instance_id)
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self._cast("delete_instance", instance_id=instance_id)
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def create_instance(self, instance_id, name, flavor_id, flavor_ram,
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image_id, databases, service_type, volume_size):
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LOG.debug("Making async call to create instance %s " % instance_id)
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self._cast("create_instance", instance_id=instance_id, name=name,
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flavor_id=flavor_id, flavor_ram=flavor_ram,
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image_id=image_id, databases=databases,
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service_type=service_type, volume_size=volume_size)
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