Add a fixture for Decapod

Change-Id: I4cf305d6a844462024d77bc279133e730b6d5c38
Reviewed-on: https://review.gerrithub.io/373733
Reviewed-by: Dennis Dmitriev <dis.xcom@gmail.com>
Tested-by: Dennis Dmitriev <dis.xcom@gmail.com>
diff --git a/tcp_tests/managers/decapod_manager.py b/tcp_tests/managers/decapod_manager.py
new file mode 100644
index 0000000..0206bea
--- /dev/null
+++ b/tcp_tests/managers/decapod_manager.py
@@ -0,0 +1,39 @@
+#    Copyright 2017 Mirantis, 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.
+
+from tcp_tests.managers.execute_commands import ExecuteCommandsMixin
+
+
+class DecapodManager(ExecuteCommandsMixin):
+    """docstring for DecapodManager"""
+
+    __config = None
+    __underlay = None
+
+    def __init__(self, config, underlay, salt=None):
+        self.__config = config
+        self.__underlay = underlay
+        self._salt = salt
+        self.decapod_nodes = [
+            i for i in self.__config.underlay.ssh
+            if any([ext.UNDERLAY_NODE_ROLES.decapod_mon in i['roles'],
+                    ext.UNDERLAY_NODE_ROLES.decapod_osd in i['roles'],
+                    ext.UNDERLAY_NODE_ROLES.decapod_all in i['roles']])]
+        super(DecapodManager, self).__init__(
+            config=config, underlay=underlay)
+
+    def install(self, commands):
+        self.execute_commands(commands,
+                              label='Deploy Ceph cluster with Decapod')
+        self.__config.decapod.decapod_installed = True