Move backend config key

disk/src/aggtest.rs

@@ -14,7 +14,6 @@ pub fn make_test_node(id: u32) -> Node {
         port_raw: 8800 + id as u16 + 100,
         // TODO use a common function to supply the tmp path.
         cache_base_path: test_data_base_path_databuffer().join(format!("node{:02}", id)),
-        backend: "testbackend".into(),
         sf_databuffer: Some(SfDatabuffer {
             data_base_path: test_data_base_path_databuffer().join(format!("node{:02}", id)),
             ksprefix: "ks".into(),

disk/src/binned/prebinned.rs

@@ -169,10 +169,10 @@ pub async fn pre_binned_bytes_for_http(
     node_config: &NodeConfigCached,
     query: &PreBinnedQuery,
 ) -> Result<Pin<Box<dyn Stream<Item = Result<Bytes, Error>> + Send>>, Error> {
-    if query.channel().backend != node_config.node.backend {
+    if query.channel().backend != node_config.node_config.cluster.backend {
         let err = Error::with_msg(format!(
             "backend mismatch  node: {}  requested: {}",
-            node_config.node.backend,
+            node_config.node_config.cluster.backend,
             query.channel().backend
         ));
         return Err(err);

disk/src/gen.rs

@@ -124,7 +124,6 @@ pub async fn gen_test_data() -> Result<(), Error> {
             port: 7780 + i1 as u16,
             port_raw: 7780 + i1 as u16 + 100,
             cache_base_path: data_base_path.join(format!("node{:02}", i1)),
-            backend: "testbackend".into(),
             sf_databuffer: Some(SfDatabuffer {
                 data_base_path: data_base_path.join(format!("node{:02}", i1)),
                 ksprefix: ksprefix.clone(),