kratactl: implement guest resolution and rename console to attach

crates/kratactl/src/cli/resolve.rs

@@ -0,0 +1,28 @@
+use anyhow::Result;
+use clap::Parser;
+use krata::control::{control_service_client::ControlServiceClient, ResolveGuestRequest};
+
+use tonic::{transport::Channel, Request};
+
+#[derive(Parser)]
+pub struct ResolveCommand {
+    #[arg()]
+    guest: String,
+}
+
+impl ResolveCommand {
+    pub async fn run(self, mut client: ControlServiceClient<Channel>) -> Result<()> {
+        let reply = client
+            .resolve_guest(Request::new(ResolveGuestRequest {
+                name: self.guest.clone(),
+            }))
+            .await?
+            .into_inner();
+        if let Some(guest) = reply.guest {
+            println!("{}", guest.id);
+        } else {
+            std::process::exit(1);
+        }
+        Ok(())
+    }
+}