test/run-qemu

   1 #!/bin/bash
   2 # Check which virtualization technology to use
   3 # We prefer kvm, kqemu, userspace in that order.
   4 export PATH=/sbin:/bin:/usr/sbin:/usr/bin
   5
   6 [[ -x /usr/bin/qemu ]] && BIN=/usr/bin/qemu && ARGS="-cpu max"
   7 $(lsmod | grep -q '^kqemu ') && BIN=/usr/bin/qemu && ARGS="-kernel-kqemu -cpu host"
   8 [[ -c /dev/kvm && -x /usr/bin/kvm ]] && BIN=/usr/bin/kvm && ARGS="-cpu host"
   9 [[ -c /dev/kvm && -x /usr/bin/qemu-kvm ]] && BIN=/usr/bin/qemu-kvm && ARGS="-cpu host"
  10 [[ -c /dev/kvm && -x /usr/libexec/qemu-kvm ]] && BIN=/usr/libexec/qemu-kvm && ARGS="-cpu host"
  11 [[ -x /usr/bin/qemu-system-$(uname -i) ]] && BIN=/usr/bin/qemu-system-$(uname -i) && ARGS="-cpu max"
  12 [[ -c /dev/kvm && -x /usr/bin/qemu-system-$(uname -i) ]] && BIN=/usr/bin/qemu-system-$(uname -i) && ARGS="-enable-kvm -cpu host"
  13
  14 [[ $BIN ]] || {
  15    echo "Could not find a working KVM or QEMU to test with!" >&2
  16    echo "Please install kvm or qemu." >&2
  17    exit 1
  18 }
  19
  20 # Provide rng device sourcing the hosts /dev/urandom and other standard parameters
  21 ARGS="$ARGS -smp 2 -m 512 -nodefaults -vga none -display none -no-reboot -device virtio-rng-pci"
  22
  23 if ! [[ $* = *-daemonize* ]] && ! [[ $* = *-daemonize* ]]; then
  24     ARGS="$ARGS -serial stdio"
  25 fi
  26
  27 KVERSION=${KVERSION-$(uname -r)}
  28
  29 VMLINUZ="/lib/modules/${KVERSION}/vmlinuz"
  30
  31 if ! [ -f "$VMLINUZ" ]; then
  32     [[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
  33
  34     if [[ $MACHINE_ID ]] && ( [[ -d /boot/${MACHINE_ID} ]] || [[ -L /boot/${MACHINE_ID} ]] ); then
  35         VMLINUZ="/boot/${MACHINE_ID}/$KVERSION/linux"
  36     else
  37         VMLINUZ="/boot/vmlinuz-${KVERSION}"
  38     fi
  39 fi
  40
  41 exec $BIN $ARGS -kernel $VMLINUZ "$@"