Add deprecation warning when using conductor UI server

CHANGELOG-UNRELEASED.md

@@ -9,6 +9,8 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 - Added a `get_links_count` method which allows the user to get number of links by base and tag [#1568](https://github.com/holochain/holochain-rust/pull/1568)### Changed
 - The Conductor will shut down gracefully when receiving SIGINT (i.e. Ctrl+C) or SIGKILL, also causing a graceful shutdown of an attached n3h instance, if running [#1599](https://github.com/holochain/holochain-rust/pull/1599)
 
+- DEPRECATION WARNING, conductor static UI server is to be removed in an upcoming release. Devs will receive a warning when starting a conductor with a UI server configured [PR#1602](https://github.com/holochain/holochain-rust/pull/1602)
+
 ### Deprecated
 
 ### Removed

conductor/example-config/static-only.toml

@@ -1,8 +1,4 @@
-[[agents]]
-id = "test agent 1"
-name = "Holo Tester 1"
-public_address = "HoloTester1-----------------------------------------------------------------------AAACZp4xHB"
-keystore_file = "holo_tester.key"
+agents = []
 
 [[ui_bundles]]
 id = "bundle1"

conductor_api/src/conductor/base.rs

@@ -158,6 +158,14 @@ impl Conductor {
         let rules = config.logger.rules.clone();
         lib3h_sodium::check_init();
 
+        if config.ui_bundles.len() > 0 || config.ui_interfaces.len() > 0 {
+            println!();
+            println!("{}", std::iter::repeat("!").take(20).collect::<String>());
+            println!("DEPRECATION WARNING - Hosting a static UI via the conductor will not be supported in future releases");
+            println!("{}", std::iter::repeat("!").take(20).collect::<String>());
+            println!();
+        }
+
         Conductor {
             instances: HashMap::new(),
             instance_signal_receivers: Arc::new(RwLock::new(HashMap::new())),

conductor_api/src/config.rs

@@ -63,12 +63,15 @@ pub struct Configuration {
     /// List of bridges between instances. Optional.
     #[serde(default)]
     pub bridges: Vec<Bridge>,
+
+    /// !DEPRECATION WARNING! - Hosting a static UI via the conductor will not be supported in future releases
     /// List of ui bundles (static web dirs) to host on a static interface. Optional.
     #[serde(default)]
     pub ui_bundles: Vec<UiBundleConfiguration>,
     /// List of ui interfaces, includes references to ui bundles and dna interfaces it can call. Optional.
     #[serde(default)]
     pub ui_interfaces: Vec<UiInterfaceConfiguration>,
+
     /// Configures how logging should behave. Optional.
     #[serde(default)]
     pub logger: LoggerConfiguration,