Adding commond module for invoking cloudpulse

Change-Id: I10f5b83f8bb8b451338a5c7f25c912a87032924d

cloudpulse/api/app.py

@@ -18,6 +18,13 @@ from cloudpulse.api import config as api_config
 from cloudpulse.api import middleware
 
 # Register options for the service
+bind_opts = [
+    cfg.StrOpt('host', default='0.0.0.0',
+               help=('Address to bind the server.  Useful when '
+                     'selecting a particular network interface.')),
+    cfg.IntOpt('port', default='9999',
+               help=('The port on which the server will listen.')),
+]
 API_SERVICE_OPTS = [
     cfg.IntOpt('port',
                default=9511,
@@ -35,6 +42,7 @@ CONF = cfg.CONF
 opt_group = cfg.OptGroup(name='api',
                          title='Options for the cloudpulse-api service')
 CONF.register_group(opt_group)
+CONF.register_opts(bind_opts)
 CONF.register_opts(API_SERVICE_OPTS, opt_group)
 
 

cloudpulse/cmd/api.py

@@ -0,0 +1,54 @@
+# Copyright 2013 - Red Hat, Inc.
+#
+#    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
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+
+"""Starter script for the Cloudpulse API service."""
+
+import logging as std_logging
+import os
+import sys
+from wsgiref import simple_server
+
+from oslo_config import cfg
+
+from cloudpulse.api import app as api_app
+from cloudpulse.common import service
+from cloudpulse.openstack.common._i18n import _LI
+from cloudpulse.openstack.common import log as logging
+
+
+LOG = logging.getLogger(__name__)
+
+
+def main():
+    service.prepare_service(sys.argv)
+
+    app = api_app.setup_app()
+
+    # Create the WSGI server and start it
+    host, port = cfg.CONF.host, cfg.CONF.port
+    srv = simple_server.make_server(host, port, app)
+
+    LOG.info(_LI('Starting server in PID %s') % os.getpid())
+    LOG.debug("Configuration:")
+    cfg.CONF.log_opt_values(LOG, std_logging.DEBUG)
+
+    if host == '0.0.0.0':
+        LOG.info(_LI('serving on 0.0.0.0:%(port)s, '
+                     'view at http://127.0.0.1:%(port)s') %
+                 dict(port=port))
+    else:
+        LOG.info(_LI('serving on http://%(host)s:%(port)s') %
+                 dict(host=host, port=port))
+
+    srv.serve_forever()