chore: update qemu hack script to use ISO

This can serve as an example of providing the config via an ISO, and
simplify local setups a bit.

Signed-off-by: Andrew Rynhard <andrew@rynhard.io>

hack/test/qemu/qemu.sh

@@ -4,11 +4,6 @@ set -e
 
 : ${TALOS_QEMU_ROOT:="/tmp"}
 
-if [[ $# -ne 1 ]]; then
-  echo 1>&2 "Usage: $0 <machine config URL>"
-  exit 3
-fi
-
 case $(uname -s) in
   Linux*)
     ACCEL=kvm
@@ -22,23 +17,27 @@ case $(uname -s) in
     ;;
 esac
 
-KERNEL="build/vmlinuz"
-INITRD="build/initramfs.xz"
+KERNEL="_out/vmlinuz-amd64"
+INITRD="_out/initramfs-amd64.xz"
 IMAGE="$TALOS_QEMU_ROOT/rootfs.qcow2"
-MACHINE_CONFIG="${1}"
+ISO="$TALOS_QEMU_ROOT/iso/config.iso"
 
+talosctl gen config -o ${TALOS_QEMU_ROOT}/iso qemu https://10.254.0.10
+cp ${TALOS_QEMU_ROOT}/iso/init.yaml ${TALOS_QEMU_ROOT}/iso/config.yaml
+mkisofs -joliet -rock -volid 'metal-iso' -output ${ISO} ${TALOS_QEMU_ROOT}/iso
 qemu-img create -f qcow2 ${IMAGE} 8G
 
 qemu-system-x86_64 \
     -m 2048 \
-    -accel ${ACCEL},thread=multi \
+    -accel ${ACCEL} \
     -cpu max \
     -smp 2 \
     -hda ${IMAGE} \
-    -netdev user,id=talos,ipv4=on,net=10.254.0.0/24,dhcpstart=10.254.0.10,hostfwd=tcp::50000-:50000,hostname=master-1 \
+    -netdev user,id=talos,ipv4=on,net=10.254.0.0/24,dhcpstart=10.254.0.10,hostfwd=tcp::50000-:50000,hostfwd=tcp::6443-:6443,hostname=master-1 \
     -device virtio-net,netdev=talos \
     -nographic \
     -serial mon:stdio \
-    -append "talos.platform=metal page_poison=1 slub_debug=P slab_nomerge pti=on printk.devkmsg=on earlyprintk=serial,tty0,keep console=tty0 talos.config=${MACHINE_CONFIG}" \
+    -cdrom ${ISO} \
+    -append "talos.platform=metal page_poison=1 slub_debug=P slab_nomerge pti=on printk.devkmsg=on earlyprintk=serial,tty0,keep console=tty0 talos.config=metal-iso" \
     -kernel ${KERNEL} \
     -initrd ${INITRD}