1 files changed, 40 insertions, 0 deletions
diff --git a/csarvalidation/python/main/validation/rules/providers/RulesDescriptionsProvider.py b/csarvalidation/python/main/validation/rules/providers/RulesDescriptionsProvider.py
new file mode 100644
index 0000000..a34bbe3
--- /dev/null
+++ b/csarvalidation/python/main/validation/rules/providers/RulesDescriptionsProvider.py
@@ -0,0 +1,40 @@
+# ============LICENSE_START====================================
+# vnfsdk-validation
+# =========================================================
+# Copyright (C) 2020 Nokia. All rights reserved.
+# =========================================================
+# 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.
+# ============LICENSE_END=====================================
+
+import os
+import yaml
+
+
+class RulesDescriptionsProvider:
+
+    def __init__(self, directory_containing_rules: str, rule_description_file_name_pattern: str):
+        self._directory_containing_rules = directory_containing_rules
+        self._rule_description_file_name_pattern = rule_description_file_name_pattern
+
+    def contains_rule(self, rule: str) -> bool:
+        description_file_name = self._rule_description_file_name_pattern % rule
+        return os.path.isfile(self._directory_containing_rules + description_file_name)
+
+    def get_rule_description(self, rule: str) -> str:
+        description_file_name = self._rule_description_file_name_pattern % rule
+        return self._get_yaml_description(description_file_name)
+
+    def _get_yaml_description(self, yaml_file: str) -> str:
+        with open(self._directory_containing_rules + yaml_file, 'r') as description_file:
+            description_yaml = yaml.load(description_file, Loader=yaml.FullLoader)
+            return description_yaml