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podman: add new cgroup mode split

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When running under systemd there is no need to create yet another
cgroup for the container.

With conmon-delegated the current cgroup will be split in two sub
cgroups:

- supervisor
- container

The supervisor cgroup will hold conmon and the podman process, while
the container cgroup is used by the OCI runtime (using the cgroupfs
backend).

Closes: https://github.com/containers/libpod/issues/6400

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano
2020-06-18 13:56:30 +02:00
parent 35cca198b3
commit 6ee5f740a4
13 changed files with 201 additions and 15 deletions
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7
libpod/oci_conmon.go Normal file
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@ -0,0 +1,7 @@
package libpod
const (
// cgroupSplit is the cgroup mode for reusing the current cgroup both
// for conmon and for the container payload.
cgroupSplit = "split"
)