#!/bin/bash
# Start pxetest VMs. Idempotent (a running VM is left alone).
# Usage: tests/vm/start.sh [server|client|client2|all]   (default: server)
#   client  = Secure Boot client (virtio NIC: reaches the iPXE menu and WinPE)
#   client2 = Secure Boot OFF client, e1000e NIC (WinPE gets a network)
# Start a client only once the server's playbook has finished, and only one
# client at a time: server + one client = 6 GiB.
source "$(dirname "$0")/common.sh"

which="${1:-server}"
case "$which" in
    server) vms=("$SERVER_VM") ;;
    client) vms=("$CLIENT_VM") ;;
    client2|nosb) vms=("$CLIENT2_VM") ;;
    all) vms=("$SERVER_VM" "$CLIENT_VM") ;;
    *) die "usage: $0 [server|client|client2|all]" ;;
esac

net_exists "$IMAGING_NET" || die "run create.sh first"
net_active "$IMAGING_NET" || virsh net-start "$IMAGING_NET" >/dev/null
assert_imaging_isolated

for vm in "${vms[@]}"; do
    dom_exists "$vm" || die "$vm not defined; run create.sh"
    # RAM: one client at a time.
    case "$vm" in
        "$CLIENT_VM") other="$CLIENT2_VM" ;;
        "$CLIENT2_VM") other="$CLIENT_VM" ;;
        *) other="" ;;
    esac
    if [ -n "$other" ] && [ "$(dom_state "$other")" = "running" ]; then
        die "$other is running; stop it first (tests/vm/stop.sh) to stay within RAM"
    fi
    if [ "$vm" = "$SERVER_VM" ]; then
        vol_exists "$USB_VOL" || die "no $USB_VOL; run build-image.sh"
    fi
    if [ "$(dom_state "$vm")" = "running" ]; then
        log "$vm already running"
    else
        virsh start "$vm" >/dev/null
        log "started $vm (VNC: $(virsh vncdisplay "$vm" 2>/dev/null | head -1))"
    fi
done
assert_imaging_isolated