kratactl: implement guest resolution and rename console to attach

crates/kratactl/src/format.rs

@@ -1,6 +1,7 @@
 use std::collections::HashMap;
 
 use anyhow::Result;
+use krata::common::{GuestState, GuestStatus};
 use prost_reflect::{DynamicMessage, ReflectMessage, Value};
 
 pub fn proto2dynamic(proto: impl ReflectMessage) -> Result<DynamicMessage> {
@@ -56,3 +57,30 @@ pub fn kv2line(map: HashMap<String, String>) -> String {
         .collect::<Vec<_>>()
         .join(" ")
 }
+
+pub fn guest_status_text(status: GuestStatus) -> String {
+    match status {
+        GuestStatus::Starting => "starting",
+        GuestStatus::Started => "started",
+        GuestStatus::Destroying => "destroying",
+        GuestStatus::Destroyed => "destroyed",
+        GuestStatus::Exited => "exited",
+        GuestStatus::Failed => "failed",
+        _ => "unknown",
+    }
+    .to_string()
+}
+
+pub fn guest_state_text(state: Option<&GuestState>) -> String {
+    let state = state.cloned().unwrap_or_default();
+    let mut text = guest_status_text(state.status());
+
+    if let Some(exit) = state.exit_info {
+        text.push_str(&format!(" (exit code: {})", exit.code));
+    }
+
+    if let Some(error) = state.error_info {
+        text.push_str(&format!(" (error: {})", error.message));
+    }
+    text
+}