WIP: automating VM deployment

packages/system/virt/src/cloudhv/mod.rs

@@ -12,6 +12,8 @@ use sal_os;
 use sal_process;
 use crate::qcow2;
 
+pub mod builder;
+
 /// Error type for Cloud Hypervisor operations
 #[derive(Debug)]
 pub enum CloudHvError {
@@ -316,6 +318,10 @@ pub fn vm_start(id: &str) -> Result<(), CloudHvError> {
                     i += 1;
                     continue;
                 }
+            } else if tok == "--no-default-net" {
+                // sentinel: suppress default networking; do not pass to CH CLI
+                i += 1;
+                continue;
             } else if let Some(rest) = tok.strip_prefix("--disk=") {
                 if !rest.is_empty() {
                     extra_disk_vals.push(rest.to_string());
@@ -385,7 +391,7 @@ pub fn vm_start(id: &str) -> Result<(), CloudHvError> {
         .spec
         .extra_args
         .as_ref()
-        .map(|v| v.iter().any(|tok| tok == "--net"))
+        .map(|v| v.iter().any(|tok| tok == "--net" || tok == "--no-default-net"))
         .unwrap_or(false);
 
     if !has_user_net {
@@ -718,6 +724,10 @@ ip link show \"$BR\" >/dev/null 2>&1 || ip link add name \"$BR\" type bridge
 ip addr replace \"$BR_ADDR\" dev \"$BR\"
 ip link set \"$BR\" up
 
+# IPv6 placeholder address + forward (temporary)
+ip -6 addr add 400::1/64 dev \"$BR\" 2>/dev/null || true
+sysctl -w net.ipv6.conf.all.forwarding=1 >/dev/null || true
+
 # IPv4 forwarding
 sysctl -w net.ipv4.ip_forward=1 >/dev/null