feat: auto-initialize goose config.yaml (#2102)

crates/goose-server/src/openapi.rs

@@ -12,6 +12,7 @@ use utoipa::OpenApi;
 #[derive(OpenApi)]
 #[openapi(
     paths(
+        super::routes::config_management::init_config,
         super::routes::config_management::upsert_config,
         super::routes::config_management::remove_config,
         super::routes::config_management::read_config,

crates/goose-server/src/routes/config_management.rs

@@ -14,6 +14,7 @@ use goose::providers::providers as get_providers;
 use http::{HeaderMap, StatusCode};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
+use serde_yaml;
 use std::collections::HashMap;
 use utoipa::ToSchema;
 
@@ -320,6 +321,75 @@ pub async fn providers(
     Ok(Json(providers_response))
 }
 
+#[utoipa::path(
+    post,
+    path = "/config/init",
+    responses(
+        (status = 200, description = "Config initialization check completed", body = String),
+        (status = 500, description = "Internal server error")
+    )
+)]
+pub async fn init_config(
+    State(state): State<AppState>,
+    headers: HeaderMap,
+) -> Result<Json<String>, StatusCode> {
+    verify_secret_key(&headers, &state)?;
+
+    let config = Config::global();
+
+    // 200 if config already exists
+    if config.exists() {
+        return Ok(Json("Config already exists".to_string()));
+    }
+
+    // Find the workspace root (where the top-level Cargo.toml with [workspace] is)
+    let workspace_root = match std::env::current_exe() {
+        Ok(mut exe_path) => {
+            // Start from the executable's directory and traverse up
+            while let Some(parent) = exe_path.parent() {
+                let cargo_toml = parent.join("Cargo.toml");
+                if cargo_toml.exists() {
+                    // Read the Cargo.toml file
+                    if let Ok(content) = std::fs::read_to_string(&cargo_toml) {
+                        // Check if it contains [workspace]
+                        if content.contains("[workspace]") {
+                            exe_path = parent.to_path_buf();
+                            break;
+                        }
+                    }
+                }
+                exe_path = parent.to_path_buf();
+            }
+            exe_path
+        }
+        Err(_) => return Err(StatusCode::INTERNAL_SERVER_ERROR),
+    };
+
+    // Check if init-config.yaml exists at workspace root
+    let init_config_path = workspace_root.join("init-config.yaml");
+    if !init_config_path.exists() {
+        return Ok(Json(
+            "No init-config.yaml found, using default configuration".to_string(),
+        ));
+    }
+
+    // Read init-config.yaml and validate
+    let init_content = match std::fs::read_to_string(&init_config_path) {
+        Ok(content) => content,
+        Err(_) => return Err(StatusCode::INTERNAL_SERVER_ERROR),
+    };
+    let init_values: HashMap<String, Value> = match serde_yaml::from_str(&init_content) {
+        Ok(values) => values,
+        Err(_) => return Err(StatusCode::INTERNAL_SERVER_ERROR),
+    };
+
+    // Save init-config.yaml to ~/.config/goose/config.yaml
+    match config.save_values(init_values) {
+        Ok(_) => Ok(Json("Config initialized successfully".to_string())),
+        Err(_) => Err(StatusCode::INTERNAL_SERVER_ERROR),
+    }
+}
+
 pub fn routes(state: AppState) -> Router {
     Router::new()
         .route("/config", get(read_all_config))
@@ -330,5 +400,6 @@ pub fn routes(state: AppState) -> Router {
         .route("/config/extensions", post(add_extension))
         .route("/config/extensions/:name", delete(remove_extension))
         .route("/config/providers", get(providers))
+        .route("/config/init", post(init_config))
         .with_state(state)
 }

crates/goose/src/config/base.rs

@@ -210,7 +210,7 @@ impl Config {
     }
 
     // Save current values to the config file
-    fn save_values(&self, values: HashMap<String, Value>) -> Result<(), ConfigError> {
+    pub fn save_values(&self, values: HashMap<String, Value>) -> Result<(), ConfigError> {
         // Convert to YAML for storage
         let yaml_value = serde_yaml::to_string(&values)?;