ironic.common.wsgi_service

Source code for ironic.common.wsgi_service

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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from oslo_concurrency import processutils
from oslo_service import service
from oslo_service import wsgi

from ironic.api import app
from ironic.common import exception
from ironic.common.i18n import _
from ironic.conf import CONF


class WSGIService(service.ServiceBase):
    """Provides ability to launch ironic API from wsgi app."""

    def __init__(self, name, use_ssl=False):
        """Initialize, but do not start the WSGI server.

        :param name: The name of the WSGI server given to the loader.
        :param use_ssl: Wraps the socket in an SSL context if True.
        :returns: None
        """
        self.name = name
        self.app = app.VersionSelectorApplication()
        self.workers = (CONF.api.api_workers
                        or processutils.get_worker_count())
        if self.workers and self.workers < 1:
            raise exception.ConfigInvalid(
                _("api_workers value of %d is invalid, "
                  "must be greater than 0.") % self.workers)

        self.server = wsgi.Server(CONF, name, self.app,
                                  host=CONF.api.host_ip,
                                  port=CONF.api.port,
                                  use_ssl=use_ssl)

[docs] def start(self): """Start serving this service using loaded configuration. :returns: None """ self.server.start()
[docs] def stop(self): """Stop serving this API. :returns: None """ self.server.stop()
[docs] def wait(self): """Wait for the service to stop serving this API. :returns: None """ self.server.wait()
[docs] def reset(self): """Reset server greenpool size to default. :returns: None """ self.server.reset()
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