Initial commit

crates/training/rtx-federated/src/infrastructure/fault_tolerance.rs

@@ -0,0 +1,51 @@
+//! Fault tolerance and recovery mechanisms
+
+use super::{ComponentHealth, FaultToleranceConfig, InfrastructureComponent};
+use crate::error::{FederatedError, Result};
+use async_trait::async_trait;
+use tracing::info;
+
+#[derive(Debug)]
+pub struct FaultTolerance {
+    config: FaultToleranceConfig,
+}
+
+impl FaultTolerance {
+    pub async fn new() -> Result<Self> {
+        let config = FaultToleranceConfig {
+            auto_recovery_enabled: true,
+            max_retries: 3,
+            backoff_strategy: super::BackoffStrategy::Exponential {
+                base_ms: 1000,
+                max_ms: 30000,
+            },
+            checkpoint_frequency: 10,
+        };
+        Ok(Self { config })
+    }
+}
+
+#[async_trait]
+impl InfrastructureComponent for FaultTolerance {
+    async fn initialize(&mut self) -> Result<()> {
+        info!("🚀 Initializing Fault Tolerance");
+        Ok(())
+    }
+
+    async fn shutdown(&mut self) -> Result<()> {
+        info!("🛑 Shutting down Fault Tolerance");
+        Ok(())
+    }
+
+    async fn health_check(&self) -> Result<ComponentHealth> {
+        Ok(ComponentHealth::healthy())
+    }
+
+    fn component_name(&self) -> &'static str {
+        "FaultTolerance"
+    }
+
+    async fn handle_error(&mut self, _error: &FederatedError) -> Result<()> {
+        Ok(())
+    }
+}