feat: add dhcpcd to netvm

Containerfile

@@ -70,6 +70,7 @@ FROM stagex/user-libusb@sha256:53d499555164f12d9e87118a6d44e1d07f0b1cc9081a29eb6
 FROM stagex/user-libusbmuxd@sha256:1e97f0a2ede0ee5fac9b056d0395e12b77c9f0bf550f9d0c20734ce0617eb51f AS user-libusbmuxd
 FROM stagex/user-usbmuxd@sha256:90f687d2368328b76141badc382a21873a5b44d4ddccf851c017caf1e78af418 AS user-usbmuxd
 FROM stagex/user-socat@sha256:990a70ae13462d8ba0a925fe959dd83070cbecdb3f91ff145caca5232171f3b8 AS user-socat
+FROM stagex/user-dhcpcd@sha256:60bd86d9e2fcb6341c1efaeda5d786b63ff92e9d0c729cd8f634a20ff54ee71e AS user-dhcpcd
 
 FROM scratch AS base
 ARG VERSION development
@@ -129,6 +130,7 @@ COPY --from=core-gcc /usr/lib/. initramfs/usr/lib/
 COPY --from=user-usbmuxd . initramfs
 COPY --from=user-glib . initramfs
 COPY --from=user-numactl . initramfs
+COPY --from=user-dhcpcd . initramfs
 COPY --from=user-qemu /usr/bin/qemu-ga initramfs/usr/bin/
 
 COPY src/guest/rootfs/ initramfs

src/host/rootfs/usr/local/bin/netvm

@@ -82,10 +82,19 @@ function cmd_start(){
                 -boot order=d \
                 -chardev socket,path=/var/run/netvm_qga.sock,server=on,wait=off,id=qga0 \
 		$net_args \
+		-device qemu-xhci \
                 -device virtio-serial \
                 -device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 &
-        echo $! > "${LOCKFILE}"
-	#TODO: Poll here for VM to come up and respond to QMP agent ping
+        pid=$!
+	echo "$pid" > "${LOCKFILE}"
+        until qemu_ga guest-ping; do
+		ps -p $pid >/dev/null || {
+			echo "Error: netvm exited unexpectedly";
+			exit 1;
+			rm "${LOCKFILE}"
+		}
+                sleep 1
+        done
 }
 
 function cmd_stop(){