Add python hostmonitor only main process

Implement python hostmonitor with only main process.

Change-Id: Ie55067f051686b6f8c7c6803c1e78c73bb2bba8a
Implements: bp pythonize-host-and-process-monitor

masakarimonitors/cmd/hostmonitor.py

@@ -0,0 +1,37 @@
+# Copyright(c) 2016 Nippon Telegraph and Telephone Corporation
+#
+# 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 Masakari Host Monitor."""
+
+import sys
+
+from oslo_log import log as logging
+
+import masakarimonitors.conf
+from masakarimonitors import config
+from masakarimonitors import service
+from masakarimonitors import utils
+
+
+CONF = masakarimonitors.conf.CONF
+
+
+def main():
+    config.parse_args(sys.argv)
+    logging.setup(CONF, "masakarimonitors")
+    utils.monkey_patch()
+
+    server = service.Service.create(binary='masakarimonitors-hostmonitor')
+    service.serve(server)
+    service.wait()

masakarimonitors/conf/service.py

@@ -34,6 +34,10 @@ Possible values:
                default='masakarimonitors.processmonitor.process'
                        '.ProcessmonitorManager',
                help='Full class name for the Manager for processmonitor.'),
+    cfg.StrOpt('hostmonitor_manager',
+               default='masakarimonitors.hostmonitor.host'
+                       '.HostmonitorManager',
+               help='Full class name for the Manager for hostmonitor.'),
     ]
 
 

masakarimonitors/hostmonitor/host.py

@@ -0,0 +1,32 @@
+# Copyright(c) 2016 Nippon Telegraph and Telephone Corporation
+#
+# 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.
+
+from oslo_log import log as oslo_logging
+
+from masakarimonitors import manager
+
+LOG = oslo_logging.getLogger(__name__)
+
+
+class HostmonitorManager(manager.Manager):
+    """Manages the masakari-hostmonitor."""
+
+    def __init__(self, *args, **kwargs):
+        super(HostmonitorManager, self).__init__(
+            service_name="hostmonitor", *args, **kwargs)
+
+    def main(self):
+        """Main method."""
+
+        pass

setup.cfg

@@ -39,10 +39,12 @@ oslo.config.opts =
 oslo.config.opts.defaults =
     masakarimonitors.instancemonitor = masakarimonitors.common.config:set_middleware_defaults
     masakarimonitors.processmonitor = masakarimonitors.common.config:set_middleware_defaults
+    masakarimonitors.hostmonitor = masakarimonitors.common.config:set_middleware_defaults
 
 console_scripts =
     masakari-instancemonitor = masakarimonitors.cmd.instancemonitor:main
     masakari-processmonitor = masakarimonitors.cmd.processmonitor:main
+    masakari-hostmonitor = masakarimonitors.cmd.hostmonitor:main
 
 [build_sphinx]
 source-dir = doc/source