feat: basic kratactl top command (#72)

* feat: basic kratactl top command

* fix: use magic bytes 0xff 0xff in idm to improve reliability

Cargo.toml

@@ -60,6 +60,7 @@ prost-build = "0.12.4"
 prost-reflect-build = "0.13.0"
 prost-types = "0.12.4"
 rand = "0.8.5"
+ratatui = "0.26.1"
 redb = "2.0.0"
 rtnetlink = "0.14.1"
 scopeguard = "1.2.0"

crates/ctl/Cargo.toml

@@ -13,7 +13,7 @@ anyhow = { workspace = true }
 async-stream = { workspace = true }
 clap = { workspace = true }
 comfy-table = { workspace = true }
-crossterm = { workspace = true }
+crossterm = { workspace = true, features = ["event-stream"] }
 ctrlc = { workspace = true, features = ["termination"] }
 env_logger = { workspace = true }
 fancy-duration = { workspace = true }
@@ -23,6 +23,7 @@ krata = { path = "../krata", version = "^0.0.8" }
 log = { workspace = true }
 prost-reflect = { workspace = true, features = ["serde"] }
 prost-types = { workspace = true }
+ratatui = { workspace = true }
 serde_json = { workspace = true }
 serde_yaml = { workspace = true }
 termtree = { workspace = true }

crates/ctl/src/cli/mod.rs

@@ -6,6 +6,7 @@ pub mod list;
 pub mod logs;
 pub mod metrics;
 pub mod resolve;
+pub mod top;
 pub mod watch;
 
 use anyhow::{anyhow, Result};
@@ -20,7 +21,7 @@ use tonic::{transport::Channel, Request};
 use self::{
     attach::AttachCommand, destroy::DestroyCommand, idm_snoop::IdmSnoopCommand,
     launch::LauchCommand, list::ListCommand, logs::LogsCommand, metrics::MetricsCommand,
-    resolve::ResolveCommand, watch::WatchCommand,
+    resolve::ResolveCommand, top::TopCommand, watch::WatchCommand,
 };
 
 #[derive(Parser)]
@@ -52,6 +53,7 @@ pub enum Commands {
     Resolve(ResolveCommand),
     Metrics(MetricsCommand),
     IdmSnoop(IdmSnoopCommand),
+    Top(TopCommand),
 }
 
 impl ControlCommand {
@@ -95,6 +97,10 @@ impl ControlCommand {
             Commands::IdmSnoop(snoop) => {
                 snoop.run(client, events).await?;
             }
+
+            Commands::Top(top) => {
+                top.run(client, events).await?;
+            }
         }
         Ok(())
     }