Add simple fake plugin for testing

We need to have fake plugin to perform provisioning testing in gate.

Partially Implements: blueprint fake-test-plugin

Change-Id: I112ca08462f3a0a9847e16deba6d8535182a28d6

sahara/plugins/fake/plugin.py

@@ -0,0 +1,48 @@
+# Copyright (c) 2014 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 sahara.plugins import provisioning as p
+
+
+class FakePluginProvider(p.ProvisioningPluginBase):
+
+    def get_title(self):
+        return "Fake Plugin"
+
+    def get_description(self):
+        return ("It's a fake plugin that aimed to work on the CirrOS images. "
+                "It doesn't install Hadoop. It's needed to be able to test "
+                "provisioning part of Sahara codebase itself.")
+
+    def get_versions(self):
+        return ["0.1"]
+
+    def get_node_processes(self, hadoop_version):
+        return {
+            "HDFS": ["namenode", "datanode"],
+            "MapReduce": ["tasktracker", "jobtracker"],
+        }
+
+    def get_configs(self, hadoop_version):
+        # no need to expose any configs, it could be checked using real plugins
+        return []
+
+    def configure_cluster(self, cluster):
+        # noop
+        pass
+
+    def start_cluster(self, cluster):
+        # noop
+        pass

setup.cfg

@@ -36,6 +36,7 @@ console_scripts =
 sahara.cluster.plugins =
     vanilla = sahara.plugins.vanilla.plugin:VanillaProvider
     hdp = sahara.plugins.hdp.ambariplugin:AmbariPlugin
+    fake = sahara.plugins.fake.plugin:FakePluginProvider
 
 sahara.infrastructure.engine =
     direct = sahara.service.direct_engine:DirectEngine