implement squashfs generation

hypha/bin/agent.rs

@@ -1,27 +0,0 @@
-use clap::Parser;
-use hypha::agent::Agent;
-use hypha::error::Result;
-
-#[derive(Parser, Debug)]
-#[command(version, about)]
-struct AgentArgs {
-    #[arg(short, long)]
-    kernel: String,
-
-    #[arg(short, long)]
-    initrd: String,
-
-    #[arg(short, long, default_value_t = 1)]
-    cpus: u32,
-
-    #[arg(short, long, default_value_t = 512)]
-    mem: u64,
-}
-
-fn main() -> Result<()> {
-    let args = AgentArgs::parse();
-    let mut agent = Agent::new(args.kernel, args.initrd, args.cpus, args.mem)?;
-    let domid = agent.launch()?;
-    println!("launched domain: {}", domid);
-    Ok(())
-}

hypha/bin/container.rs

@@ -1,5 +1,7 @@
 use hypha::error::Result;
 
 fn main() -> Result<()> {
+    env_logger::init();
+
     Ok(())
 }

hypha/bin/controller.rs

@@ -0,0 +1,39 @@
+use clap::Parser;
+use hypha::ctl::Controller;
+use hypha::error::Result;
+use hypha::image::ImageCompiler;
+use ocipkg::ImageName;
+
+#[derive(Parser, Debug)]
+#[command(version, about)]
+struct ControllerArgs {
+    #[arg(short, long)]
+    kernel: String,
+
+    #[arg(short = 'r', long)]
+    initrd: String,
+
+    #[arg(short, long)]
+    image: String,
+
+    #[arg(short, long, default_value_t = 1)]
+    cpus: u32,
+
+    #[arg(short, long, default_value_t = 512)]
+    mem: u64,
+}
+
+fn main() -> Result<()> {
+    env_logger::init();
+
+    let args = ControllerArgs::parse();
+    let mut controller = Controller::new(args.kernel, args.initrd, args.cpus, args.mem)?;
+    let image = ImageName::parse(args.image.as_str())?;
+    let compiler = ImageCompiler::new()?;
+    let squashfs = compiler.compile(&image)?;
+    println!("packed image into squashfs: {}", &squashfs);
+
+    let domid = controller.launch()?;
+    println!("launched domain: {}", domid);
+    Ok(())
+}