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