Ansible callback support both V2.3 and V2.4

JIRA: COMPASS-585

1. Add conditional branch to support both ansible
versions
2. Keep callback in ansible_plugins directory which
will contains all plugins upcoming in the future

Change-Id: I11f3d9700e07ad5bd7f03ad56f4e0bc061df05ec
Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>

1 files changed, 111 insertions, 0 deletions

diff --git a/deploy/ansible_plugins/callback/playbook_done.py b/deploy/ansible_plugins/callback/playbook_done.py
new file mode 100644
index 00000000..4784ff63
--- /dev/null
+++ b/deploy/ansible_plugins/callback/playbook_done.py
@@ -0,0 +1,111 @@
+#!/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 sys
+
+from distutils.version import LooseVersion
+from ansible import __version__ as __ansible_version__
+from ansible.plugins.callback import CallbackBase
+
+compass_bin = "/opt/compass/bin"
+sys.path.append(compass_bin)
+
+import switch_virtualenv  # noqa: F401
+
+from compass.apiclient.restful import Client  # noqa: E402
+from compass.utils import flags  # noqa: E402
+
+
+flags.add('compass_server',
+          help='compass server url',
+          default='http://compass-deck/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(CallbackBase):
+    CALLBACK_VERSION = 2.0
+    CALLBACK_TYPE = 'notification'
+    CALLBACK_NAME = 'playbook_done'
+    CALLBACK_NEEDS_WHITELIST = True
+
+    def __init__(self):
+        super(CallbackModule, self).__init__()
+
+        self.play = None
+        self.loader = None
+        self.disabled = False
+        try:
+            self.client = self._get_client()
+        except Exception:
+            self.disabled = True
+            self._display.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
+        )
+        self._display.warning(
+            '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 v2_playbook_on_play_start(self, play):
+        self.play = play
+        self.loader = self.play.get_loader()
+        return
+
+    def v2_playbook_on_stats(self, stats):
+        if LooseVersion(__ansible_version__) < LooseVersion("2.4"):
+            all_vars = self.play.get_variable_manager().get_vars(self.loader)
+        else:
+            all_vars = self.play.get_variable_manager().get_vars()
+        host_vars = all_vars["hostvars"]
+        hosts = sorted(stats.processed.keys())
+        cluster_name = host_vars[hosts[0]]['cluster_name']
+        self._display.warning("cluster_name %s" % 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