Custom ansible playbooks checker using linter

Added custom style rules checker that checks whether the
playbooks follow YAML dictionary format or not.

Guidelines for writing Ansible playbooks is located here:
http://docs.openstack.org/developer/openstack-ansible/
developer-docs/contribute.html#ansible-style-guide

Change-Id: I9ad0d90017a0ce38f97dcbd43cbe8c1c13f185ed
Closes-Bug: 1629033

ansible-lint/YAMLdictchecker.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+# Copyright 2016, Rackspace US, 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 ansiblelint import AnsibleLintRule
+
+
+class YAMLdictchecker(AnsibleLintRule):
+    id = 'OSA0001'
+    shortdesc = 'Please use ":" YAML dictionary format instead of "="'
+    description = 'Pleae follow YAML dicitionary format while creating'
+    'task and other roles in Ansible'
+    'Follow this url for examples of how to use YAML dictionary '
+    'format. "http://docs.openstack.org/developer/openstack-ansible/'
+    'developer-docs/contribute.html#ansible-style-guide"'
+    tags = ['task']
+
+    def match(self, file, line):
+        for l in line.split(" "):
+            if "=" in l:
+                return True
+            return False

test-ansible-lint.sh

@@ -37,4 +37,4 @@ export COMMON_TESTS_PATH="${WORKING_DIR}/tests/common"
 source "${COMMON_TESTS_PATH}/test-ansible-env-prep.sh"
 
 # Execute ansible-lint
-ansible-lint ${WORKING_DIR}
+ansible-lint ${WORKING_DIR} -R -r ${WORKING_DIR}/ansible-lint/