1dff39fccd
As we continue to debug performance, it can be useful to have access to a REPL as in Zuul. Since there is no command socket in Nodepool as there is in Zuul, the REPL must be engaged with a CLI argument at startup. Change-Id: Ieece1628494f79f39bd04216fc9ad7b725e541d8
73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
# 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 signal
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import sys
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from nodepool import builder
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import nodepool.cmd
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import nodepool.lib.repl
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class NodePoolBuilderApp(nodepool.cmd.NodepoolDaemonApp):
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app_name = 'nodepool-builder'
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app_description = 'NodePool Image Builder.'
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def sigint_handler(self, signal, frame):
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self.nb.stop()
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sys.exit(0)
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def create_parser(self):
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parser = super(NodePoolBuilderApp, self).create_parser()
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parser.add_argument('-c', dest='config',
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default='/etc/nodepool/nodepool.yaml',
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help='path to config file')
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parser.add_argument('-s', dest='secure',
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help='path to secure config file')
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parser.add_argument('--build-workers', dest='build_workers',
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default=1, help='number of build workers',
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type=int)
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parser.add_argument('--upload-workers', dest='upload_workers',
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default=4, help='number of upload workers',
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type=int)
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parser.add_argument('--repl', action='store_true',
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help="Start a REPL on port 3000")
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return parser
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def parse_args(self):
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super(NodePoolBuilderApp, self).parse_args()
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self.config_file = self.get_path(self.args.config)
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self.secure_file = self.get_path(self.args.secure)
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def run(self):
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self.nb = builder.NodePoolBuilder(
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self.config_file,
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secure_path=self.secure_file,
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num_builders=self.args.build_workers,
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num_uploaders=self.args.upload_workers)
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signal.signal(signal.SIGINT, self.sigint_handler)
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self.nb.start()
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if self.args.repl:
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self.repl = nodepool.lib.repl.REPLServer(self.nb)
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self.repl.start()
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while True:
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signal.pause()
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def main():
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return NodePoolBuilderApp.main()
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