feat: support initializing license key from env var

Signed-off-by: Bugen Zhao <[email protected]>

src/frontend/src/handler/variable.rs

@@ -152,6 +152,7 @@ async fn handle_show_system_params(handler_args: HandlerArgs) -> Result<RwPgResp
         .meta_client()
         .get_system_params()
         .await?;
+    // TODO: for secret params (like `license_key`), redact the value in the response.
     let rows = params
         .get_all()
         .into_iter()

src/meta/node/src/lib.rs

@@ -187,6 +187,12 @@ pub struct MetaNodeOpts {
     #[clap(long, hide = true, env = "RW_CONNECTOR_RPC_ENDPOINT")]
     pub connector_rpc_endpoint: Option<String>,
 
+    /// The license key to activate enterprise features.
+    #[educe(Debug(ignore))]
+    #[clap(long, hide = true, env = "RW_LICENSE_KEY")]
+    #[override_opts(path = system.license_key)]
+    pub license_key: Option<String>,
+
     /// 128-bit AES key for secret store in HEX format.
     #[educe(Debug(ignore))]
     #[clap(long, hide = true, env = "RW_SECRET_STORE_PRIVATE_KEY_HEX")]

src/meta/src/controller/system_param.rs

@@ -143,7 +143,6 @@ impl SystemParamsController {
         let params = SystemParameter::find().all(&db).await?;
         let params = merge_params(system_params_from_db(params)?, init_params);
 
-        info!("system parameters: {:?}", params);
         check_missing_params(&params).map_err(|e| anyhow!(e))?;
 
         let ctl = Self {

src/meta/src/manager/system_param/mod.rs

@@ -77,7 +77,6 @@ impl SystemParamsManager {
             return Err(require_sql_meta_store_err().into());
         }
 
-        info!("system parameters: {:?}", params);
         check_missing_params(&params).map_err(|e| anyhow!(e))?;
 
         Ok(Self {