Data provider release

Change-Id: Ia041a07152e8dabd87de05992d3670cbdc1ddaae
Issue-ID: INT-2010
Signed-off-by: Michal Jagiello <michal.jagiello@t-mobile.pl>

1 files changed, 52 insertions, 0 deletions

diff --git a/onap_data_provider/validator.py b/onap_data_provider/validator.py
new file mode 100644
index 0000000..3589f85
--- /dev/null
+++ b/onap_data_provider/validator.py
@@ -0,0 +1,52 @@
+"""Infra file schema validatior module."""
+"""
+   Copyright 2021 Deutsche Telekom AG
+
+   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 typing import Any, Dict
+
+import yaml
+from jsonschema import validate  # type: ignore
+
+from .versions import VersionsEnum
+
+
+class Validator:
+    """Validate input schema class."""
+
+    def __init__(self) -> None:
+        """Validate class initialization.
+
+        Load schema file.
+
+        """
+        self.schemas: Dict[str, Any] = {}
+
+    def validate(self, version: VersionsEnum, input_data: Dict[str, Any]) -> None:
+        """Check if given input is valid from schema perspective.
+
+        Args:
+            input_data (Dict[str, Any]): Input to check
+
+        Raises:
+            ValidationError: Raises if input is invalid
+
+        """
+        if not version.value.version_number in self.schemas:
+            with open(version.value.schema_path, "r") as schema_file:
+                self.schemas[version.value.version_number] = yaml.safe_load(
+                    schema_file.read()
+                )
+        validate(input_data, schema=self.schemas[version.value.version_number])