blob: a99d6d72dbf8c3ff4a8bc6704f72d439d20e6141 [file] [log] [blame]
#!/usr/bin/env bats
load helpers
function setup() {
teardown_busybox
setup_busybox
}
function teardown() {
teardown_busybox
}
@test "checkpoint and restore" {
# XXX: currently criu require root containers.
requires criu root
# criu does not work with external terminals so..
# setting terminal and root:readonly: to false
runc run -d --console-socket $CONSOLE_SOCKET test_busybox
[ "$status" -eq 0 ]
testcontainer test_busybox running
for i in `seq 2`; do
# checkpoint the running container
runc --criu "$CRIU" checkpoint --work-path ./work-dir test_busybox
ret=$?
# if you are having problems getting criu to work uncomment the following dump:
#cat /run/opencontainer/containers/test_busybox/criu.work/dump.log
cat ./work-dir/dump.log | grep -B 5 Error || true
[ "$ret" -eq 0 ]
# after checkpoint busybox is no longer running
runc state test_busybox
[ "$status" -ne 0 ]
# restore from checkpoint
runc --criu "$CRIU" restore -d --work-path ./work-dir --console-socket $CONSOLE_SOCKET test_busybox
ret=$?
cat ./work-dir/restore.log | grep -B 5 Error || true
[ "$ret" -eq 0 ]
# busybox should be back up and running
testcontainer test_busybox running
done
}
@test "checkpoint --pre-dump and restore" {
# XXX: currently criu require root containers.
requires criu root
sed -i 's;"terminal": true;"terminal": false;' config.json
sed -i 's;"readonly": true;"readonly": false;' config.json
sed -i 's/"sh"/"sh","-c","for i in `seq 10`; do read xxx || continue; echo ponG $xxx; done"/' config.json
# The following code creates pipes for stdin and stdout.
# CRIU can't handle fifo-s, so we need all these tricks.
fifo=`mktemp -u /tmp/runc-fifo-XXXXXX`
mkfifo $fifo
# stdout
cat $fifo | cat $fifo &
pid=$!
exec 50</proc/$pid/fd/0
exec 51>/proc/$pid/fd/0
# stdin
cat $fifo | cat $fifo &
pid=$!
exec 60</proc/$pid/fd/0
exec 61>/proc/$pid/fd/0
echo -n > $fifo
unlink $fifo
# run busybox (not detached)
__runc run -d test_busybox <&60 >&51 2>&51
[ $? -eq 0 ]
testcontainer test_busybox running
#test checkpoint pre-dump
mkdir parent-dir
runc --criu "$CRIU" checkpoint --pre-dump --image-path ./parent-dir test_busybox
[ "$status" -eq 0 ]
# busybox should still be running
runc state test_busybox
[ "$status" -eq 0 ]
[[ "${output}" == *"running"* ]]
# checkpoint the running container
mkdir image-dir
mkdir work-dir
runc --criu "$CRIU" checkpoint --parent-path ./parent-dir --work-path ./work-dir --image-path ./image-dir test_busybox
cat ./work-dir/dump.log | grep -B 5 Error || true
[ "$status" -eq 0 ]
# after checkpoint busybox is no longer running
runc state test_busybox
[ "$status" -ne 0 ]
# restore from checkpoint
__runc --criu "$CRIU" restore -d --work-path ./work-dir --image-path ./image-dir test_busybox <&60 >&51 2>&51
ret=$?
cat ./work-dir/restore.log | grep -B 5 Error || true
[ $ret -eq 0 ]
# busybox should be back up and running
testcontainer test_busybox running
runc exec --cwd /bin test_busybox echo ok
[ "$status" -eq 0 ]
[[ ${output} == "ok" ]]
echo Ping >&61
exec 61>&-
exec 51>&-
run cat <&50
[ "$status" -eq 0 ]
[[ "${output}" == *"ponG Ping"* ]]
}