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cgroupdriver is hardcoded to cgroupfs #1311

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#1312
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cgroupdriver is hardcoded to cgroupfs#1311
#1312
@win-t

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@win-t
win-t
opened on May 3, 2025

Hi, I want to report minor issue.
I just found out that cgroupdriver is hardcoded to cgroupfs

colima/environment/container/docker/daemon.go

Lines 42 to 47 in 9d0de69

// enable cgroupfs for k3s (if not set by user)
if _, ok := conf["exec-opts"]; !ok {
conf["exec-opts"] = []string{"native.cgroupdriver=cgroupfs"}
} else if opts, ok := conf["exec-opts"].([]string); ok {
conf["exec-opts"] = append(opts, "native.cgroupdriver=cgroupfs")
}

The effect is that docker will create cgroup directly under the root cgroup

Image

This is a violation of the systemd contract https://systemd.io/CGROUP_DELEGATION/

Image

we need to set native.cgroupdriver=systemd if the system is using systemd, but it is not configurable now because it is hardcoded

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