--- a/src/command.rs	Thu Oct 29 16:15:52 2020 +0900
+++ b/src/command.rs	Thu Oct 29 17:12:09 2020 +0900
@@ -8,3 +8,17 @@
         println!("{}", vm_info);
     }
 }
+
+pub fn start_command(user_name: &'static str, vm_name: String) {
+    let vm_name = match vm_name.parse::<u8>() {
+        Ok(_) => String::from(format!("{}-{}", user_name, vm_name)),
+        Err(_) => vm_name,
+    };
+
+    let vm_name = if vm_name.starts_with(user_name) {
+        vm_name
+    } else {
+        format!("{}-{}", user_name, vm_name)
+    };
+    virsh::start_vm(vm_name);
+}

--- a/src/main.rs	Thu Oct 29 16:15:52 2020 +0900
+++ b/src/main.rs	Thu Oct 29 17:12:09 2020 +0900
@@ -73,11 +73,13 @@
     name_or_id: String,
 }
 
+/*
 struct VM {
     id: u32,
     name: String,
     is_vm_running: bool,
 }
+*/
 
 fn main() {
     let opts: Opts = Opts::parse();
@@ -92,10 +94,13 @@
             user::set_root_id();
             command::list_command(user_name);
         }
+        SubCommand::Start(arg) => {
+            user::set_root_id();
+            command::start_command(user_name, arg.name);
+        }
         SubCommand::Define(name) => {}
         SubCommand::Shutdown(name) => {}
         SubCommand::Console(name) => {}
-
         SubCommand::Destroy(name_or_id) => {}
         _ => {}
     }

--- a/src/virsh.rs	Thu Oct 29 16:15:52 2020 +0900
+++ b/src/virsh.rs	Thu Oct 29 17:12:09 2020 +0900
@@ -1,3 +1,4 @@
+use std::io::{self, Write};
 use std::process::Command;
 
 pub struct ListDumpMsg {
@@ -29,3 +30,14 @@
             .collect(),
     );
 }
+
+pub fn start_vm(vm_name: String) {
+    let output = Command::new("virsh")
+        .arg("start")
+        .arg(vm_name)
+        .output()
+        .expect("failed to start vm");
+
+    io::stdout().write_all(&output.stdout).unwrap();
+    io::stderr().write_all(&output.stderr).unwrap();
+}