feat(server): add tracing spans and caching to archive and blame services

- Add tracing spans with repo labels for archive and blame operations
- Implement caching for archive list entries when using OID selectors
- Implement caching for blame operations when using OID selectors
- Add detailed

server/tag.rs

@@ -9,8 +9,12 @@ impl tag_service_server::TagService for GitksService {
         request: tonic::Request<ListTagsRequest>,
     ) -> Result<tonic::Response<ListTagsResponse>, tonic::Status> {
         let inner = request.into_inner();
+        let repo = self.repo_label(inner.repository.as_ref());
+        let span = tracing::info_span!("tag.list_tags", %repo);
+        let _enter = span.enter();
         let gb = self.resolve(inner.repository.as_ref())?;
         let resp = gb.list_tags(inner).map_err(into_status)?;
+        tracing::info!(%repo, count = resp.tags.len(), "list_tags done");
         Ok(tonic::Response::new(resp))
     }
 
@@ -19,6 +23,10 @@ impl tag_service_server::TagService for GitksService {
         request: tonic::Request<GetTagRequest>,
     ) -> Result<tonic::Response<Tag>, tonic::Status> {
         let inner = request.into_inner();
+        let repo = self.repo_label(inner.repository.as_ref());
+        let name = inner.name.clone();
+        let span = tracing::info_span!("tag.get_tag", %repo, %name);
+        let _enter = span.enter();
         let gb = self.resolve(inner.repository.as_ref())?;
         let resp = gb.get_tag(inner).map_err(into_status)?;
         Ok(tonic::Response::new(resp))
@@ -29,8 +37,13 @@ impl tag_service_server::TagService for GitksService {
         request: tonic::Request<CreateTagRequest>,
     ) -> Result<tonic::Response<Tag>, tonic::Status> {
         let inner = request.into_inner();
+        let repo = self.repo_label(inner.repository.as_ref());
+        let name = inner.name.clone();
+        let span = tracing::info_span!("tag.create_tag", %repo, %name);
+        let _enter = span.enter();
         let gb = self.resolve(inner.repository.as_ref())?;
         let resp = gb.create_tag(inner).map_err(into_status)?;
+        tracing::info!(%repo, %name, "tag created");
         Ok(tonic::Response::new(resp))
     }
 
@@ -39,8 +52,13 @@ impl tag_service_server::TagService for GitksService {
         request: tonic::Request<DeleteTagRequest>,
     ) -> Result<tonic::Response<()>, tonic::Status> {
         let inner = request.into_inner();
+        let repo = self.repo_label(inner.repository.as_ref());
+        let name = inner.name.clone();
+        let span = tracing::info_span!("tag.delete_tag", %repo, %name);
+        let _enter = span.enter();
         let gb = self.resolve(inner.repository.as_ref())?;
         gb.delete_tag(inner).map_err(into_status)?;
+        tracing::info!(%repo, %name, "tag deleted");
         Ok(tonic::Response::new(()))
     }
 
@@ -49,8 +67,13 @@ impl tag_service_server::TagService for GitksService {
         request: tonic::Request<VerifyTagRequest>,
     ) -> Result<tonic::Response<VerifiedSignature>, tonic::Status> {
         let inner = request.into_inner();
+        let repo = self.repo_label(inner.repository.as_ref());
+        let name = inner.name.clone();
+        let span = tracing::info_span!("tag.verify_tag", %repo, %name);
+        let _enter = span.enter();
         let gb = self.resolve(inner.repository.as_ref())?;
         let resp = gb.verify_tag(inner).map_err(into_status)?;
+        tracing::info!(%repo, %name, verified = resp.verified, "tag verified");
         Ok(tonic::Response::new(resp))
     }
 }