b306626e86
Removed creating separate extension manager for flow extension. Instead, have made flow extension using the same extension manager instance which is initialized in agent. It fixes circular extension loading in stevedore. Closes-Bug: #1316145 Change-Id: Id339f1876168a41ca43ba7473f3ff6949a233ef3
50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
# Copyright 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from ironic_python_agent import errors
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from ironic_python_agent.extensions import base
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from ironic_python_agent.openstack.common import log
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LOG = log.getLogger(__name__)
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def _validate_exts(ext, flow=None):
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for task in flow:
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for method in task:
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ext_name, cmd = ext.split_command(method)
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if ext_name not in ext.ext_mgr.names():
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raise errors.RequestedObjectNotFoundError('Extension',
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ext_name)
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ext_obj = ext.ext_mgr[ext_name].obj
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ext.check_cmd_presence(ext_obj, ext_name, cmd)
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class FlowExtension(base.BaseAgentExtension, base.ExecuteCommandMixin):
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def __init__(self):
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super(FlowExtension, self).__init__()
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self.command_map['start_flow'] = self.start_flow
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@base.async_command(_validate_exts)
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def start_flow(self, flow=None):
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for task in flow:
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for method, params in task.items():
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LOG.info("Executing method %s for now" % method)
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result = self.execute_command(method, **params)
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result.join()
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LOG.info("%s method's execution is done" % method)
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if result.command_status == base.AgentCommandStatus.FAILED:
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raise errors.CommandExecutionError(
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"%s was failed" % method
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)
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