code.grnet.gr Git - snf-image/blob - snf-image-host/xen-common.sh

   1 snf_export_DEV=/dev/xvdb
   2 HELPER_KERNEL=${HELPER_KERNEL}-xen
   3 HELPER_INITRD=${HELPER_INITRD}-xen
   4
   5 mk_snapshot() {
   6
   7     cp "$HELPER_IMG" "$snapshot"
   8
   9 }
  10
  11 launch_helper() {
  12
  13     helper_name=helper$$
  14     xm create /dev/null \
  15       kernel="$HELPER_KERNEL" ramdisk="$HELPER_INITRD" \
  16       extra="console=hvc0 hypervisor=$HYPERVISOR snf_image_activate_helper" \
  17       disk="file:$snapshot,xvda,w" \
  18       disk="phy:$blockdev,xvdb,w" \
  19       disk="file:$floppy,xvdc1,w" \
  20       vif="mac=aa:00:00:00:00:11,bridge=xenbr" \
  21       memory="256" root="/dev/xvda1 quiet ro boot=local" boot="c" vcpus=1 \
  22       name="$helper_name"
  23
  24     if [ ! $(xenstore-exists helper) ]; then
  25         xenstore-write helper ""
  26     fi
  27     helperid=$(xm domid $helper_name)
  28     xenstore-write helper/$helperid ""
  29     xenstore-chmod helper/$helperid r0 w$helperid
  30
  31     brctl delif xenbr vif$helperid.0
  32
  33     socat EXEC:"./helper-monitor.py ${MONITOR_FD}" INTERFACE:vif$helperid.0 &
  34
  35     $TIMEOUT -k $HELPER_HARD_TIMEOUT $HELPER_SOFT_TIMEOUT \
  36       socat EXEC:"xm console $helper_name",pty STDOUT \
  37     | sed -u 's|^|HELPER: |g'
  38
  39 }
  40
  41 get_helper_result() {
  42
  43     result=$(xenstore-read helper/$helperid)
  44     xenstore-rm helper/$helperid
  45
  46 }