feature(hypervisor-dmesg): ctl: add host hypervisor-messages command to get hypervisor messages

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

@@ -0,0 +1,24 @@
+use anyhow::Result;
+use clap::Parser;
+use krata::v1::control::{
+    control_service_client::ControlServiceClient, ReadHypervisorConsoleRingRequest,
+};
+
+use tonic::{transport::Channel, Request};
+
+#[derive(Parser)]
+#[command(about = "Display hypervisor diagnostic messages")]
+pub struct HostHypervisorMessagesCommand {
+}
+
+impl HostHypervisorMessagesCommand {
+    pub async fn run(self, mut client: ControlServiceClient<Channel>) -> Result<()> {
+        let response = client
+            .read_hypervisor_console_ring(Request::new(ReadHypervisorConsoleRingRequest { clear: false }))
+            .await?
+            .into_inner();
+
+        print!("{}", response.data);
+        Ok(())
+    }
+}

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

@@ -8,10 +8,12 @@ use krata::v1::control::control_service_client::ControlServiceClient;
 use crate::cli::host::cpu_topology::HostCpuTopologyCommand;
 use crate::cli::host::identify::HostStatusCommand;
 use crate::cli::host::idm_snoop::HostIdmSnoopCommand;
+use crate::cli::host::dmesg::HostHypervisorMessagesCommand;
 
 pub mod cpu_topology;
 pub mod identify;
 pub mod idm_snoop;
+pub mod dmesg;
 
 #[derive(Parser)]
 #[command(about = "Manage the host of the isolation engine")]
@@ -35,6 +37,7 @@ pub enum HostCommands {
     CpuTopology(HostCpuTopologyCommand),
     Status(HostStatusCommand),
     IdmSnoop(HostIdmSnoopCommand),
+    HypervisorMessages(HostHypervisorMessagesCommand),
 }
 
 impl HostCommands {
@@ -49,6 +52,8 @@ impl HostCommands {
             HostCommands::Status(status) => status.run(client).await,
 
             HostCommands::IdmSnoop(snoop) => snoop.run(client, events).await,
+
+            HostCommands::HypervisorMessages(hvdmesg) => hvdmesg.run(client).await,
         }
     }
 }