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Add systemd cgroup path spec #1021

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AkihiroSuda opened this issue Nov 6, 2019 · 2 comments · May be fixed by #1115
Open

Add systemd cgroup path spec #1021

AkihiroSuda opened this issue Nov 6, 2019 · 2 comments · May be fixed by #1115

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@AkihiroSuda
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https://github.com/opencontainers/runtime-spec/blob/master/config-linux.md#cgroups-path

The systemd cgroup path convention implemented in runc/crun should be added to the spec.

This convention is becoming important for cgroup v2, because rootless containers depends on systemd for cgroup delegation in most environments.
@nimrodshn nimrodshn mentioned this issue May 29, 2021
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kailun-qin added a commit to kailun-qin/runtime-spec that referenced this issue Aug 5, 2021
@kailun-qin
specs-go/config: add systemd cgroup support
32e5fd9 
The `--systemd-cgroup` flag and the systemd cgroup path convention
currently implemented in `runc/crun` should be added to the spec.

This patch adds in the spec:
* the option to enable systemd cgroup;
* the configs of systemd units and the containing slice to map to the
  cgroup tree.

Fixes opencontainers#1021

Signed-off-by: Kailun Qin <[email protected]>
@kailun-qin kailun-qin linked a pull request Aug 5, 2021 that will close this issue
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@kailun-qin
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kailun-qin commented Aug 5, 2021 •
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Do we have any plan to move this forward? Thanks!

@AkihiroSuda
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Thanks for opening #1115, but I meant adding proper spec for the existing implementation of systemd cgroupsPath, e.g. user.slice:nerdctl:deadbeef
https://github.com/containerd/nerdctl/blob/07c3ca23743308987aa3b26b1fb7b560804ff9a4/cmd/nerdctl/run_cgroup_linux.go#L53

I didn't mean adding new fields for systemd.

kailun-qin added a commit to kailun-qin/runtime-spec that referenced this issue Aug 6, 2021
@kailun-qin
config-linux: add systemd cgroup path convention
4716058 
The systemd cgroup path convention currently implemented in runtimes
like `runc/crun` should be added to the spec.

This patch adds the systemd cgroup convention for `Linux.CgroupsPath`
which is in the `slice:prefix:name` form and clarifies the detailed
usage.

Fixes opencontainers#1021

Signed-off-by: Kailun Qin <[email protected]>
kailun-qin added a commit to kailun-qin/runtime-spec that referenced this issue Sep 2, 2022
@kailun-qin
config-linux: add systemd cgroup path convention
8fe6eee 
The systemd cgroup path convention currently implemented in runtimes
like `runc/crun` should be added to the spec. For more information,
please kindly refer to e.g. runc systemd cgroup driver doc:
https://github.com/opencontainers/runc/blame/main/docs/systemd.md.

This patch adds the systemd cgroup convention for `Linux.CgroupsPath`
which is in the `slice:prefix:name` form and clarifies the detailed
usage.

Fixes opencontainers#1021

Signed-off-by: Kailun Qin <[email protected]>
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config-linux: add systemd cgroup path convention kailun-qin/runtime-spec
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@AkihiroSuda @kailun-qin