checkpoint: support checkpoint create command #4484
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# nerdctl run -d --name test-container ghcr.io/stargz-containers/alpine:3.13-org sleep infinity
b2a7213fd10f898f5af65493692aa2d1c18b9abd26fc477cc2c302170398987d
# nerdctl checkpoint create --leave-running=true --checkpoint-dir /tmp/test-checkpoints test-container test-checkpoint
test-checkpoint
# ls /tmp/test-checkpoints/test-checkpoint/
cgroup.img files.img ipcns-var-11.img pages-1.img tmpfs-dev-49.tar.gz.img tmpfs-dev-55.tar.gz.img
core-1.img fs-1.img mm-1.img pstree.img tmpfs-dev-52.tar.gz.img utsns-12.img
descriptors.json ids-1.img mountpoints-13.img seccomp.img tmpfs-dev-53.tar.gz.img
fdinfo-2.img inventory.img pagemap-1.img timens-0.img tmpfs-dev-54.tar.gz.img |
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ci on rootless failed due to |
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- Create checkpoints from running containers using containerd APIs - Support both leave-running and exit modes via --leave-running flag - Configurable checkpoint directory via --checkpoint-dir flag Signed-off-by: ChengyuZhu6 <hudson@cyzhu.com>
add unit tests for checkpoint create command. Signed-off-by: ChengyuZhu6 <hudson@cyzhu.com>
add checkpoint create command reference. Signed-off-by: ChengyuZhu6 <hudson@cyzhu.com>
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install criu in ci to test checkpoint. Signed-off-by: ChengyuZhu6 <hudson@cyzhu.com>
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| Flags: | ||
| - :whale: `--leave-running`: Leave the container running after checkpoint | ||
| - :whale: `checkpoint-dir`: Use a custom checkpoint storage directory | ||
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How to restore a container from a checkpoint?
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This can be accomplished with the command nerdctl start --checkpoint|--checkpoint-dir in the following work: #4477
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Can you put the start implementation in this PR too? Otherwise it is hard to test this PR.
You can include ls and rm in this PR too
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Yeah, you're right. I think I can put the start parts in this PR.
Fixes: #4483