3 files changed, 204 insertions, 0 deletions
diff --git a/src/onapsdk/configuration/__init__.py b/src/onapsdk/configuration/__init__.py
new file mode 100644
index 0000000..027e7ef
--- /dev/null
+++ b/src/onapsdk/configuration/__init__.py
@@ -0,0 +1,18 @@
+"""Configuration module."""
+#   Copyright 2022 Orange, 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 .loader import SettingsLoader, SETTINGS_ENV
+
+
+settings = SettingsLoader()  # pylint: disable=invalid-name
diff --git a/src/onapsdk/configuration/global_settings.py b/src/onapsdk/configuration/global_settings.py
new file mode 100644
index 0000000..6f7e4d7
--- /dev/null
+++ b/src/onapsdk/configuration/global_settings.py
@@ -0,0 +1,71 @@
+"""Global settings module."""  # pylint: disable=bad-whitespace
+#   Copyright 2022 Orange, 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.
+
+
+######################
+#                    #
+# ONAP SERVICES URLS #
+#                    #
+######################
+
+## API
+AAI_URL         = "https://aai.api.sparky.simpledemo.onap.org:30233"
+AAI_API_VERSION = "v23"
+AAI_AUTH        = "Basic QUFJOkFBSQ=="
+AAI_BULK_CHUNK  = 30
+CDS_URL         = "http://portal.api.simpledemo.onap.org:30449"
+CDS_AUTH        = ("ccsdkapps", "ccsdkapps")
+CPS_URL         = "http://portal.api.simpledemo.onap.org:8080"
+CPS_AUTH        = ("cpsuser", "cpsr0cks!")
+MSB_URL         = "https://msb.api.simpledemo.onap.org:30283"
+SDC_BE_URL      = "https://sdc.api.be.simpledemo.onap.org:30204"
+SDC_FE_URL      = "https://sdc.api.fe.simpledemo.onap.org:30207"
+SDC_AUTH        = "Basic YWFpOktwOGJKNFNYc3pNMFdYbGhhazNlSGxjc2UyZ0F3ODR2YW9HR21KdlV5MlU="
+SDNC_URL        = "https://sdnc.api.simpledemo.onap.org:30267"
+SDNC_AUTH       = "Basic YWRtaW46S3A4Yko0U1hzek0wV1hsaGFrM2VIbGNzZTJnQXc4NHZhb0dHbUp2VXkyVQ=="
+SO_URL          = "http://so.api.simpledemo.onap.org:30277"
+SO_API_VERSION  = "v7"
+SO_AUTH         = "Basic SW5mcmFQb3J0YWxDbGllbnQ6cGFzc3dvcmQxJA=="
+SO_CAT_DB_AUTH  = "Basic YnBlbDpwYXNzd29yZDEk"
+VID_URL         = "https://vid.api.simpledemo.onap.org:30200"
+VID_API_VERSION = "/vid"
+CLAMP_URL       = "https://clamp.api.simpledemo.onap.org:30258"
+CLAMP_AUTH      = "Basic ZGVtb0BwZW9wbGUub3NhYWYub3JnOmRlbW8xMjM0NTYh"
+VES_URL         = "http://ves.api.simpledemo.onap.org:30417"
+DMAAP_URL       = "http://dmaap.api.simpledemo.onap.org:3904"
+NBI_URL         = "https://nbi.api.simpledemo.onap.org:30274"
+NBI_API_VERSION = "/nbi/api/v4"
+DCAEMOD_URL = ""
+HOLMES_URL = "https://aai.api.sparky.simpledemo.onap.org:30293"
+POLICY_URL = ""
+
+## GUI
+AAI_GUI_URL = "https://aai.api.sparky.simpledemo.onap.org:30220"
+AAI_GUI_SERVICE = f"{AAI_GUI_URL}/services/aai/webapp/index.html#/browse"
+CDS_GUI_SERVICE = f"{CDS_URL}/"
+SO_MONITOR_GUI_SERVICE = f"{SO_URL}/"
+SDC_GUI_SERVICE = f"{SDC_FE_URL}/sdc1/portal"
+SDNC_DG_GUI_SERVICE = f"{SDNC_URL}/nifi/"
+SDNC_ODL_GUI_SERVICE = f"{SDNC_URL}/odlux/index.html"
+
+DCAEMOD_GUI_SERVICE = f"{DCAEMOD_URL}/"
+HOLMES_GUI_SERVICE = f"{HOLMES_URL}/iui/holmes/default.html"
+POLICY_GUI_SERVICE = f"{POLICY_URL}/onap/login.html"
+POLICY_CLAMP_GUI_SERVICE = f"{CLAMP_URL}/"
+
+# VID OBJECTS DEFAULT VALUES
+PROJECT = "Onapsdk_project"
+LOB = "Onapsdk_lob"
+PLATFORM = "Onapsdk_platform"
diff --git a/src/onapsdk/configuration/loader.py b/src/onapsdk/configuration/loader.py
new file mode 100644
index 0000000..a9aae6f
--- /dev/null
+++ b/src/onapsdk/configuration/loader.py
@@ -0,0 +1,115 @@
+"""Settings loader module."""
+#   Copyright 2022 Orange, 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.
+import importlib
+import os
+from typing import Any
+
+from onapsdk.exceptions import ModuleError, SettingsError
+
+from . import global_settings
+
+
+SETTINGS_ENV = "ONAP_PYTHON_SDK_SETTINGS"
+
+
+class SettingsLoader:
+    """Settings loader class.
+
+    Load global settings and optionally load
+        custom settings by importing the module
+        stored in ONAP_PYTHON_SDK_SETTINGS environment
+        variable.
+        The module has to be uder PYTHONPATH.
+    """
+
+    def __init__(self) -> None:
+        """Load settings.
+
+        Load global settings and optionally load custom one.
+
+        Raises:
+            ModuleError: If ONAP_PYTHON_SDK_SETTINGS environment variable
+                is set and module can't be imported.
+
+        """
+        self._settings = {}
+
+        # Load values from global_settings (only uppercase)
+        self.filter_and_set(global_settings)
+
+        settings_env_value: str = os.environ.get(SETTINGS_ENV)
+        if settings_env_value:
+            # Load values from custom settings
+            try:
+                module = importlib.import_module(settings_env_value)
+            except ModuleNotFoundError:
+                msg = "Can't import custom settings. Is it under PYTHONPATH?"
+                raise ModuleError(msg)
+            self.filter_and_set(module)
+
+    def __getattribute__(self, name: str) -> Any:
+        """Return stored attributes.
+
+        If attribute name is uppercase return it from
+            _settings dictionary.
+            Look for attribute in __dict__ otherwise.
+
+        Args:
+            name (str): Attribute's name
+
+        Raises:
+            SettingsError: a setting is not found by the key.
+
+        Returns:
+            Any: Attribute's value
+
+        """
+        if name.isupper():
+            try:
+                return self._settings[name]
+            except KeyError as exc:
+                msg = f"Requested setting {exc.args[0]} does not exist."
+                raise SettingsError(msg) from exc
+        return super().__getattribute__(name)
+
+    def __setattr__(self, name: str, value: Any) -> None:
+        """Save attribute.
+
+        If attribute name is uppercase save the value
+            in _settings dictionary.
+            Use Object class __setattr__ implementation
+            otherwise.
+
+        Args:
+            name (str): Attribute's name
+            value (Any): Attribute's value
+
+        """
+        if name.isupper():
+            self._settings[name] = value
+        super().__setattr__(name, value)
+
+    def filter_and_set(self, module: "module") -> None:
+        """Filter module attributes and save the uppercased.
+
+        Iterate through module's attribures and save the value
+            of them which name is uppercase.
+
+        Args:
+            module (module): Module to get attributes from
+
+        """
+        for key in filter(lambda x: x.isupper(), dir(module)):
+            self._settings[key] = getattr(module, key)