feature(ctl): add --format option to host status and improve cpu topology format (#355)

crates/ctl/src/cli/device/list.rs

@@ -23,7 +23,7 @@ enum DeviceListFormat {
 }
 
 #[derive(Parser)]
-#[command(about = "List the devices on the isolation engine")]
+#[command(about = "List device information")]
 pub struct DeviceListCommand {
     #[arg(short, long, default_value = "table", help = "Output format")]
     format: DeviceListFormat,

crates/ctl/src/cli/host/cpu_topology.rs

@@ -5,7 +5,9 @@ use comfy_table::{Cell, Table};
 use krata::v1::control::{
     control_service_client::ControlServiceClient, GetHostCpuTopologyRequest, HostCpuTopologyClass,
 };
+use serde_json::Value;
 
+use crate::format::{kv2line, proto2dynamic, proto2kv};
 use tonic::{transport::Channel, Request};
 
 fn class_to_str(input: HostCpuTopologyClass) -> String {
@@ -19,6 +21,11 @@ fn class_to_str(input: HostCpuTopologyClass) -> String {
 #[derive(ValueEnum, Clone, Debug, PartialEq, Eq)]
 enum HostCpuTopologyFormat {
     Table,
+    Json,
+    JsonPretty,
+    Jsonl,
+    Yaml,
+    KeyValue,
 }
 
 #[derive(Parser)]
@@ -35,24 +42,61 @@ impl HostCpuTopologyCommand {
             .await?
             .into_inner();
 
-        let mut table = Table::new();
-        table.load_preset(UTF8_FULL_CONDENSED);
-        table.set_content_arrangement(comfy_table::ContentArrangement::Dynamic);
-        table.set_header(vec!["id", "node", "socket", "core", "thread", "class"]);
+        match self.format {
+            HostCpuTopologyFormat::Table => {
+                let mut table = Table::new();
+                table.load_preset(UTF8_FULL_CONDENSED);
+                table.set_content_arrangement(comfy_table::ContentArrangement::Dynamic);
+                table.set_header(vec!["id", "node", "socket", "core", "thread", "class"]);
 
-        for (i, cpu) in response.cpus.iter().enumerate() {
-            table.add_row(vec![
-                Cell::new(i),
-                Cell::new(cpu.node),
-                Cell::new(cpu.socket),
-                Cell::new(cpu.core),
-                Cell::new(cpu.thread),
-                Cell::new(class_to_str(cpu.class())),
-            ]);
-        }
+                for (i, cpu) in response.cpus.iter().enumerate() {
+                    table.add_row(vec![
+                        Cell::new(i),
+                        Cell::new(cpu.node),
+                        Cell::new(cpu.socket),
+                        Cell::new(cpu.core),
+                        Cell::new(cpu.thread),
+                        Cell::new(class_to_str(cpu.class())),
+                    ]);
+                }
 
-        if !table.is_empty() {
-            println!("{}", table);
+                if !table.is_empty() {
+                    println!("{}", table);
+                }
+            }
+
+            HostCpuTopologyFormat::Json
+            | HostCpuTopologyFormat::JsonPretty
+            | HostCpuTopologyFormat::Yaml => {
+                let mut values = Vec::new();
+                for cpu in response.cpus {
+                    let message = proto2dynamic(cpu)?;
+                    values.push(serde_json::to_value(message)?);
+                }
+                let value = Value::Array(values);
+                let encoded = if self.format == HostCpuTopologyFormat::JsonPretty {
+                    serde_json::to_string_pretty(&value)?
+                } else if self.format == HostCpuTopologyFormat::Yaml {
+                    serde_yaml::to_string(&value)?
+                } else {
+                    serde_json::to_string(&value)?
+                };
+                println!("{}", encoded.trim());
+            }
+
+            HostCpuTopologyFormat::Jsonl => {
+                for cpu in response.cpus {
+                    let message = proto2dynamic(cpu)?;
+                    println!("{}", serde_json::to_string(&message)?);
+                }
+            }
+
+            HostCpuTopologyFormat::KeyValue => {
+                for cpu in response.cpus {
+                    let kvs = proto2kv(cpu)?;
+                    println!("{}", kv2line(kvs),);
+                }
+            }
         }
 
         Ok(())

crates/ctl/src/cli/host/identify.rs

@@ -1,25 +0,0 @@
-use anyhow::Result;
-use clap::Parser;
-use krata::v1::control::{control_service_client::ControlServiceClient, HostStatusRequest};
-
-use tonic::{transport::Channel, Request};
-
-#[derive(Parser)]
-#[command(about = "Get information about the host")]
-pub struct HostStatusCommand {}
-
-impl HostStatusCommand {
-    pub async fn run(self, mut client: ControlServiceClient<Channel>) -> Result<()> {
-        let response = client
-            .host_status(Request::new(HostStatusRequest {}))
-            .await?
-            .into_inner();
-        println!("Host UUID: {}", response.host_uuid);
-        println!("Host Domain: {}", response.host_domid);
-        println!("Krata Version: {}", response.krata_version);
-        println!("Host IPv4: {}", response.host_ipv4);
-        println!("Host IPv6: {}", response.host_ipv6);
-        println!("Host Ethernet Address: {}", response.host_mac);
-        Ok(())
-    }
-}

crates/ctl/src/cli/host/mod.rs

@@ -7,13 +7,13 @@ use krata::v1::control::control_service_client::ControlServiceClient;
 
 use crate::cli::host::cpu_topology::HostCpuTopologyCommand;
 use crate::cli::host::hv_console::HostHvConsoleCommand;
-use crate::cli::host::identify::HostStatusCommand;
 use crate::cli::host::idm_snoop::HostIdmSnoopCommand;
+use crate::cli::host::status::HostStatusCommand;
 
 pub mod cpu_topology;
 pub mod hv_console;
-pub mod identify;
 pub mod idm_snoop;
+pub mod status;
 
 #[derive(Parser)]
 #[command(about = "Manage the host of the isolation engine")]

crates/ctl/src/cli/host/status.rs

@@ -0,0 +1,60 @@
+use anyhow::Result;
+use clap::{Parser, ValueEnum};
+use krata::v1::control::{control_service_client::ControlServiceClient, HostStatusRequest};
+
+use crate::format::{kv2line, proto2dynamic, proto2kv};
+use tonic::{transport::Channel, Request};
+
+#[derive(ValueEnum, Clone, Debug, PartialEq, Eq)]
+enum HostStatusFormat {
+    Simple,
+    Json,
+    JsonPretty,
+    Yaml,
+    KeyValue,
+}
+
+#[derive(Parser)]
+#[command(about = "Get information about the host")]
+pub struct HostStatusCommand {
+    #[arg(short, long, default_value = "simple", help = "Output format")]
+    format: HostStatusFormat,
+}
+
+impl HostStatusCommand {
+    pub async fn run(self, mut client: ControlServiceClient<Channel>) -> Result<()> {
+        let response = client
+            .host_status(Request::new(HostStatusRequest {}))
+            .await?
+            .into_inner();
+        match self.format {
+            HostStatusFormat::Simple => {
+                println!("Host UUID: {}", response.host_uuid);
+                println!("Host Domain: {}", response.host_domid);
+                println!("Krata Version: {}", response.krata_version);
+                println!("Host IPv4: {}", response.host_ipv4);
+                println!("Host IPv6: {}", response.host_ipv6);
+                println!("Host Ethernet Address: {}", response.host_mac);
+            }
+
+            HostStatusFormat::Json | HostStatusFormat::JsonPretty | HostStatusFormat::Yaml => {
+                let message = proto2dynamic(response)?;
+                let value = serde_json::to_value(message)?;
+                let encoded = if self.format == HostStatusFormat::JsonPretty {
+                    serde_json::to_string_pretty(&value)?
+                } else if self.format == HostStatusFormat::Yaml {
+                    serde_yaml::to_string(&value)?
+                } else {
+                    serde_json::to_string(&value)?
+                };
+                println!("{}", encoded.trim());
+            }
+
+            HostStatusFormat::KeyValue => {
+                let kvs = proto2kv(response)?;
+                println!("{}", kv2line(kvs),);
+            }
+        }
+        Ok(())
+    }
+}

crates/ctl/src/cli/zone/list.rs

@@ -29,7 +29,7 @@ enum ZoneListFormat {
 }
 
 #[derive(Parser)]
-#[command(about = "List the zones on the isolation engine")]
+#[command(about = "List zone information")]
 pub struct ZoneListCommand {
     #[arg(short, long, default_value = "table", help = "Output format")]
     format: ZoneListFormat,