Add implementation of SDL in python

[ric-plt/sdlpy.git] / ricsdl-package / ricsdl / configuration.py

diff --git a/ricsdl-package/ricsdl/configuration.py b/ricsdl-package/ricsdl/configuration.py
new file mode 100644 (file)
index 0000000..91bcd98
--- /dev/null
+++ b/ricsdl-package/ricsdl/configuration.py
@@ -0,0 +1,54 @@
+# Copyright (c) 2019 AT&T Intellectual Property.
+# Copyright (c) 2018-2019 Nokia.
+#
+# 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.
+
+#
+# This source code is part of the near-RT RIC (RAN Intelligent Controller)
+# platform project (RICP).
+#
+
+
+"""The module provides implementation of Shared Data Layer (SDL) configurability."""
+import os
+from collections import namedtuple
+
+
+class _Configuration():
+    """This class implements Shared Data Layer (SDL) configurability."""
+    Params = namedtuple('Params', ['db_host', 'db_port', 'db_sentinel_port',
+                                   'db_sentinel_master_name'])
+
+    def __init__(self):
+        self.params = self._read_configuration()
+
+    def __str__(self):
+        return str(
+            {
+                "DB host": self.params.db_host,
+                "DB port": self.params.db_port,
+                "DB master sentinel": self.params.db_sentinel_master_name,
+                "DB sentinel port": self.params.db_sentinel_port
+            }
+        )
+
+    def get_params(self):
+        """Return SDL configuration."""
+        return self.params
+
+    @classmethod
+    def _read_configuration(cls):
+        return _Configuration.Params(db_host=os.getenv('DBAAS_SERVICE_HOST'),
+                                     db_port=os.getenv('DBAAS_SERVICE_PORT'),
+                                     db_sentinel_port=os.getenv('DBAAS_SERVICE_SENTINEL_PORT'),
+                                     db_sentinel_master_name=os.getenv('DBAAS_MASTER_NAME'))