feat: integrate AgentService into app service and enhance configuration handling

apps/api/src/cmd/start_server.rs

@@ -11,15 +11,8 @@ use crate::{
     cmd::CliCommand,
     configs::{ProgramSettings, get_program_settings, logging::LoggingSettings},
     log,
-    routes::{self, AppService, AppState},
-    services::{
-        auth::{
-            authentication::{AuthenticationServiceImpl, strategies::password::PasswordStrategy},
-            user::UserServiceImpl,
-        },
-        server_state::ServerStateService,
-        settings::SettingsService,
-    },
+    routes::{self, AppState},
+    services::get_app_service,
     tasks,
 };
 
@@ -148,19 +141,7 @@ fn get_app_state(
     AppState {
         database_connection: db_connection.clone(),
         config: Arc::new(settings.clone()),
-        service: Arc::new(AppService {
-            server_state: Arc::new(ServerStateService::new(db_connection.clone())),
-            settings: Arc::new(SettingsService::new(db_connection.clone())),
-            auth_state: routes::AuthState {
-                strategy: routes::AuthStrategy {
-                    password: Arc::new(PasswordStrategy::new(db_connection.clone())),
-                },
-                authentication: Arc::new(AuthenticationServiceImpl::new(
-                    settings.auth.jwt_secret.clone(),
-                )),
-            },
-            user: Arc::new(UserServiceImpl::new(db_connection.clone())),
-        }),
+        service: Arc::new(get_app_service(db_connection, settings)),
     }
 }
 

apps/api/src/configs.rs

@@ -1,3 +1,4 @@
+pub mod agent;
 pub mod auth;
 pub mod database;
 pub mod logging;
@@ -21,6 +22,7 @@ pub struct ProgramSettings {
     pub database: database::DatabaseSettings,
     pub server: server::ServerSettings,
     pub auth: auth::AuthSettings,
+    pub agent: agent::AgentSettings,
 }
 
 impl FromConfig for ProgramSettings {
@@ -30,6 +32,7 @@ impl FromConfig for ProgramSettings {
             database: database::DatabaseSettings::from_config(_config)?,
             server: server::ServerSettings::from_config(_config)?,
             auth: auth::AuthSettings::from_config(_config)?,
+            agent: agent::AgentSettings::from_config(_config)?,
         };
         config.validate()?;
         Ok(config)
@@ -50,6 +53,7 @@ impl FromConfig for ProgramSettings {
             database: database::DatabaseSettings::mock(),
             server: server::ServerSettings::mock(),
             auth: auth::AuthSettings::mock(),
+            agent: agent::AgentSettings::mock(),
         }
     }
 }

apps/api/src/configs/agent.rs

@@ -0,0 +1,58 @@
+use config::Config;
+use tracing::error;
+
+use crate::configs::key::AGENT_SOCK_PATH_KEY;
+
+use super::FromConfig;
+
+#[derive(Debug, Clone)]
+pub struct AgentSettings {
+    pub socket_path: String,
+}
+
+impl FromConfig for AgentSettings {
+    fn from_config(_config: &Config) -> Result<Self, String> {
+        Ok(AgentSettings {
+            socket_path: _config.get_string(AGENT_SOCK_PATH_KEY).map_err(|err| {
+                format!(
+                    "Failed to get {} from configuration. Err: {}",
+                    AGENT_SOCK_PATH_KEY, err
+                )
+            })?,
+        })
+    }
+
+    fn validate(&self) -> Result<(), String> {
+        // ensure socket_path exists and is readable and writable
+        if !std::path::Path::new(&self.socket_path).exists() {
+            let msg = format!("Agent socket path '{}' does not exist", self.socket_path);
+            error!("{}", msg);
+            return Err(msg);
+        }
+        if std::path::Path::new(&self.socket_path)
+            .metadata()
+            .map(|meta| {
+                let permissions = meta.permissions();
+                // Check read and write permissions for the owner
+                !permissions.readonly()
+            })
+            .unwrap_or(false)
+        {
+            Ok(())
+        } else {
+            let msg = format!(
+                "Agent socket path '{}' is not readable/writable",
+                self.socket_path
+            );
+            error!("{}", msg);
+            Err(msg)
+        }
+    }
+
+    #[cfg(test)]
+    fn mock() -> Self {
+        AgentSettings {
+            socket_path: "/tmp/agent.sock".to_string(),
+        }
+    }
+}

apps/api/src/configs/key.rs

@@ -14,3 +14,5 @@ pub(crate) const DATABASE_MIGRATE_ON_STARTUP_KEY: &str = "DATABASE.MIGRATION.MIG
 pub(crate) const AUTH_JWT_SECRET_KEY: &str = "AUTH.JWT_SECRET";
 pub(crate) const AUTH_DEFAULT_ADMIN_USERNAME_KEY: &str = "AUTH.DEFAULT_ADMIN_USERNAME";
 pub(crate) const AUTH_DEFAULT_ADMIN_PASSWORD_KEY: &str = "AUTH.DEFAULT_ADMIN_PASSWORD";
+//
+pub(crate) const AGENT_SOCK_PATH_KEY: &str = "AGENT.SOCK.PATH";

apps/api/src/routes.rs

@@ -12,12 +12,8 @@ use crate::{
     configs::{ProgramSettings, server::CORSSettings},
     middlewares,
     services::{
-        auth::{
-            authentication::{AuthenticationService, strategies::password::PasswordStrategy},
-            user::UserService,
-        },
-        server_state::ServerStateStore,
-        settings::SettingsStore,
+        AppService, ServiceState,
+        auth::authentication::{AuthenticationService, strategies::password::PasswordStrategy},
     },
 };
 
@@ -28,8 +24,6 @@ pub struct AppState {
     pub config: Arc<ProgramSettings>,
 }
 
-pub type ServiceState<T> = Arc<T>;
-
 pub struct AuthStrategy {
     pub password: ServiceState<PasswordStrategy>,
 }
@@ -39,13 +33,6 @@ pub struct AuthState {
     pub authentication: ServiceState<dyn AuthenticationService>,
 }
 
-pub struct AppService {
-    pub settings: ServiceState<dyn SettingsStore>,
-    pub auth_state: AuthState,
-    pub user: ServiceState<dyn UserService>,
-    pub server_state: ServiceState<dyn ServerStateStore>,
-}
-
 pub fn get_root_router(
     state: impl Into<Arc<AppState>>,
     cors_settings: Arc<CORSSettings>,

apps/api/src/routes/api/health/info.rs

@@ -79,6 +79,7 @@ pub async fn get_health_info(
 #[cfg(test)]
 mod test {
     use crate::configs::FromConfig;
+    use crate::services::agent_client::AgentService;
     use crate::{
         routes::{AppState, api::health::state::HealthState},
         services::{
@@ -94,6 +95,7 @@ mod test {
     };
 
     use super::*;
+    use agent_client::apis::configuration::Configuration;
     use axum::body::to_bytes;
     use axum::{
         Router,
@@ -124,6 +126,7 @@ mod test {
                 },
                 user: Arc::new(UserServiceImpl::new(db.clone())),
                 server_state: Arc::new(ServerStateService::new(db.clone())),
+                agent_client: Arc::new(AgentService::new(Configuration::default())),
             }),
         });
 

apps/api/src/services.rs

@@ -2,3 +2,53 @@ pub mod agent_client;
 pub mod auth;
 pub mod server_state;
 pub mod settings;
+
+use std::sync::Arc;
+
+use ::agent_client::apis::configuration::Configuration;
+
+use crate::{
+    configs::ProgramSettings,
+    routes::{self, AuthState},
+    services::{
+        auth::{
+            authentication::{AuthenticationServiceImpl, strategies::password::PasswordStrategy},
+            user::{UserService, UserServiceImpl},
+        },
+        server_state::{ServerStateService, ServerStateStore},
+        settings::{SettingsService, SettingsStore},
+    },
+};
+
+pub type ServiceState<T> = Arc<T>;
+
+pub struct AppService {
+    pub settings: ServiceState<dyn SettingsStore>,
+    pub auth_state: AuthState,
+    pub user: ServiceState<dyn UserService>,
+    pub server_state: ServiceState<dyn ServerStateStore>,
+    #[allow(dead_code)]
+    pub agent_client: ServiceState<agent_client::AgentService>,
+}
+
+pub fn get_app_service(
+    db_connection: &Arc<sea_orm::DatabaseConnection>,
+    settings: &ProgramSettings,
+) -> AppService {
+    AppService {
+        server_state: Arc::new(ServerStateService::new(db_connection.clone())),
+        settings: Arc::new(SettingsService::new(db_connection.clone())),
+        auth_state: routes::AuthState {
+            strategy: routes::AuthStrategy {
+                password: Arc::new(PasswordStrategy::new(db_connection.clone())),
+            },
+            authentication: Arc::new(AuthenticationServiceImpl::new(
+                settings.auth.jwt_secret.clone(),
+            )),
+        },
+        user: Arc::new(UserServiceImpl::new(db_connection.clone())),
+        agent_client: Arc::new(agent_client::AgentService::new(Configuration::from(
+            settings.agent.clone(),
+        ))),
+    }
+}

apps/api/src/services/agent_client.rs

@@ -1,11 +1,32 @@
 use std::sync::Arc;
 
 use agent_client::apis::{ApiClient, configuration::Configuration};
+use tracing::warn;
+
+use crate::configs::agent::AgentSettings;
 
 pub struct AgentService {
     client: Arc<ApiClient>,
 }
 
+impl From<AgentSettings> for Configuration {
+    fn from(settings: AgentSettings) -> Self {
+        let mut config = Configuration::default();
+        let mut builder = reqwest::Client::builder();
+
+        let url = settings.socket_path;
+        if url.starts_with("unix://") {
+            builder = builder.unix_socket(url.to_string());
+            config.client = builder.build().expect("Failed to build reqwest client");
+        } else {
+            warn!("AgentSettings contains a non-unix socket path: {}", url);
+            config.base_path = url;
+        }
+
+        config
+    }
+}
+
 impl AgentService {
     pub fn new(config: impl Into<Arc<Configuration>>) -> Self {
         let client = ApiClient::new(config.into());
@@ -14,6 +35,7 @@ impl AgentService {
         }
     }
 
+    #[allow(dead_code)]
     pub fn get_client(&self) -> Arc<ApiClient> {
         Arc::clone(&self.client)
     }