Add ansible callback plugins to report cluster states back.

you need to specify the callback plugin path in ansible.cfg
before running ansible-playbook. will add ansible.cfg related
config template in a separate CL.

Change-Id: I5f933970e7409aaf485d502998262d9d18ac5c44

bin/ansible_callbacks/playbook_done.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python
+#
+# Copyright 2014 Huawei Technologies Co. Ltd
+#
+# 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.
+
+"""Ansible playbook callback after a playbook run has completed."""
+import logging
+import os
+import simplejson as json
+import sys
+
+current_dir = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(current_dir + '/..')
+
+import switch_virtualenv
+
+from compass.apiclient.restful import Client
+from compass.utils import flags
+
+flags.add('compass_server',
+          help='compass server url',
+          default='http://127.0.0.1/api')
+flags.add('compass_user_email',
+          help='compass user email',
+          default='admin@huawei.com')
+flags.add('compass_user_password',
+          help='compass user password',
+          default='admin')
+
+
+class CallbackModule(object):
+    def __init__(self):
+        self.disabled = False
+        try:
+            self.client = self._get_client()
+        except Exception:
+            self.disabled = True
+            logging.error("No compass server found"
+                          "disabling this plugin")
+
+    def _get_client(self):
+        return Client(flags.OPTIONS.compass_server)
+
+    def _login(self, client):
+        """get apiclient token."""
+        status, resp = client.get_token(
+            flags.OPTIONS.compass_user_email,
+            flags.OPTIONS.compass_user_password
+        )
+        logging.info(
+            'login status: %s, resp: %s',
+            status, resp
+        )
+        if status >= 400:
+            raise Exception(
+                'failed to login %s with user %s',
+                flags.OPTIONS.compass_server,
+                flags.OPTIONS.compass_user_email
+            )
+        return resp['token']
+
+    def playbook_on_stats(self, stats):
+        hosts = sorted(stats.processed.keys())
+        host_vars = self.playbook.inventory.get_variables(hosts[0])
+        cluster_name = host_vars['cluster_name']
+
+        failures = False
+        unreachable = False
+
+        for host in hosts:
+            summary = stats.summarize(host)
+
+            if summary['failures'] > 0:
+                failures = True
+            if summary['unreachable'] > 0:
+                unreachable = True
+
+        if failures or unreachable:
+            return
+
+        self._login(self.client)
+
+        for host in hosts:
+            clusterhost_name = host + "." + cluster_name
+            self.client.clusterhost_ready(clusterhost_name)

compass/apiclient/restful.py

@@ -1101,3 +1101,10 @@ class Client(object):
         data['reset'] = True
 
         return self._post('/hosts/%s/action' % host_id, data=data)
+
+    def clusterhost_ready(self, clusterhost_name):
+        data = {}
+        data['ready'] = True
+
+        return self._post('/clusterhosts/%s/state_internal' %
+                          clusterhost_name, data=data)