feat: sanitize mito config

src/mito2/src/config.rs

@@ -46,6 +46,7 @@ const INDEX_CREATE_MEM_THRESHOLD_FACTOR: u64 = 16;
 pub(crate) const FETCH_OPTION_TIMEOUT: Duration = Duration::from_secs(3);
 
 /// Configuration for [MitoEngine](crate::engine::MitoEngine).
+/// Before using the config, make sure to call `MitoConfig::validate()` to check if the config is valid.
 #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
 #[serde(default)]
 pub struct MitoConfig {

src/sst-convert/src/converter.rs

@@ -163,11 +163,16 @@ impl SstConverterBuilder {
     }
 
     /// Builds a SST converter.
-    pub async fn build(self) -> Result<SstConverter> {
+    pub async fn build(mut self) -> Result<SstConverter> {
+        self.config
+            .sanitize(&self.storage_config.data_home)
+            .context(MitoSnafu)?;
+
         common_telemetry::info!(
-            "Building SST converter, input_path: {}, storage_config: {:?}",
+            "Building SST converter, input_path: {}, storage_config: {:?}, config: {:?}",
             self.input_path,
-            self.storage_config
+            self.storage_config,
+            self.config
         );
 
         let input_store = new_input_store(&self.input_path).await?;