feat: Add support to parse a SecretStore to a struct using the config crate

Author: JasterV

resources/secrets/Cargo.toml

@@ -6,7 +6,12 @@ license = "Apache-2.0"
 description = "Plugin to for managing secrets on shuttle"
 keywords = ["shuttle-service", "secrets"]
 
+[features]
+config = ["config", "serde"]
+
 [dependencies]
 async-trait = "0.1.56"
 serde_json = "1"
 shuttle-service = { path = "../../service", version = "0.40.0" }
+config = { version = "0.14.0", optional = true }
+serde = { workspace = true, optional = true }

resources/secrets/src/lib.rs

@@ -23,3 +23,25 @@ impl ResourceInputBuilder for Secrets {
         ))
     }
 }
+
+#[cfg(feature = "config")]
+impl<'de> From<shuttle_secrets::SecretStore> for T
+where
+    T: serde::Deserialize<'de>,
+{
+    fn from(value: shuttle_secrets::SecretStore) -> Self {
+        let secrets = value.into_iter().collect::<HashMap<_, _>>();
+
+        config::Config::builder()
+            .add_source(
+                config::Environment::default()
+                    .source(Some(secrets))
+                    .try_parsing(true)
+                    .separator("__"),
+            )
+            .build()
+            .expect("Failed to load app configuration")
+            .try_deserialize()
+            .expect("Cannot deserialize configuration")
+    }
+}