src/tests/lxc-test-checkpoint-restore

   1 #!/bin/sh
   2
   3 # Do an end to end checkpoint and restore with criu.
   4
   5 set -e
   6
   7 FAIL() {
   8         echo -n "Failed " >&2
   9         echo "$*" >&2
  10         exit 1
  11 }
  12
  13 if [ "$(id -u)" != "0" ]; then
  14         echo "ERROR: Must run as root."
  15         exit 1
  16 fi
  17
  18 verlte() {
  19         ! [ "$1" = "$(printf "$1\n$2" | sort -V | tail -n1)" ]
  20 }
  21
  22 criu_version="$(criu --version | head -n1 | cut -d' ' -f 2)"
  23
  24 if verlte "$criu_version" "1.3.1"; then
  25         echo "SKIP: skipping test because no (or wrong) criu installed."
  26         exit 0
  27 fi
  28
  29 name=lxc-test-criu
  30 lxc-create -t ubuntu -n $name || FAIL "creating container"
  31
  32 cat >> "$(lxc-config lxc.lxcpath)/$name/config" <<EOF
  33 # hax for criu
  34 lxc.console.path = none
  35 lxc.tty.max = 0
  36 lxc.cgroup.devices.deny = c 5:1 rwm
  37 EOF
  38
  39 lxc-start -n $name -d || FAIL "starting container"
  40 lxc-wait -n $name -s RUNNING || FAIL "waiting for container to run"
  41
  42 # Let the container boot and get into a steady state.
  43 sleep 5s
  44
  45 # The first time this usually fails because CRIU cannot checkpoint things with
  46 # data on a socket.
  47 lxc-checkpoint -n $name -v -s -D /tmp/checkpoint || FAIL "failed checkpointing"
  48 lxc-wait -n $name -s STOPPED
  49 lxc-checkpoint -n $name -v -r -D /tmp/checkpoint || FAIL "failed restoring"
  50
  51 lxc-stop -n $name -k
  52 lxc-destroy -f -n $name