secret access API added based on renku secrets implementation

oda_api/secret.py

@@ -0,0 +1,12 @@
+from typing import Optional
+import os
+
+def get_secret(secret_name: str) -> Optional[str]:
+    # Get secret by name
+    # For now only default renku file secret storage is supported whuch stores secrets as plain text
+
+    secrets_dir = os.getenv('ODA_SECRET_STORAGE', '/secrets')  # check for default secret location in renku platform
+    secrets_file = os.path.join(secrets_dir, secret_name)
+    if os.path.isfile(secrets_file):
+        with open(secrets_file, 'r') as f:
+            return f.read()

tests/test_secret.py

@@ -0,0 +1,16 @@
+import os
+import pytest
+from oda_api.secret import get_secret
+
+@pytest.fixture
+def secrets_path(tmp_path):
+    os.environ['ODA_SECRET_STORAGE'] = str(tmp_path)
+    yield tmp_path
+    del os.environ['ODA_SECRET_STORAGE']
+
+def test_renku_secret(secrets_path):
+    secret = 'secret'
+    secret_name = 's'
+    with open(secrets_path / secret_name, 'w') as f:
+        f.write(secret)
+    assert get_secret(secret_name) == secret