a gazillion things to implement cosmos db healthcheck

anaxi/config.py

@@ -0,0 +1,40 @@
+import logging
+import pathlib
+from typing import Dict
+
+from anaxi.file_persistence import read_yaml
+
+logger = logging.getLogger()
+
+
+class CosmosDBDatabaseConfig:
+
+    config_root_key: str = "cosmos-databases"
+
+    def __init__(self, host: str, database_id: str, master_key: str) -> None:
+        self.host = host
+        self.database_id = database_id
+        self.master_key = master_key
+
+    @classmethod
+    def from_dict(cls, a_dict) -> "CosmosDBDatabaseConfig":
+        return CosmosDBDatabaseConfig(**a_dict)
+
+    @classmethod
+    def from_yaml(cls, path: pathlib.Path) -> Dict[str, "CosmosDBDatabaseConfig"]:
+        yaml_contents = read_yaml(path)
+
+        cosmos_db_contents = yaml_contents[CosmosDBDatabaseConfig.config_root_key]
+
+        try:
+            database_configs = {
+                db_id: CosmosDBDatabaseConfig.from_dict(db_config)
+                for db_id, db_config in cosmos_db_contents.items()
+            }
+        except KeyError as e:
+            logger.error(
+                "Error reading Cosmos DB config yaml file. The file seems malformed. Review the example in the repository."
+            )
+            raise e
+
+        return database_configs