2 Commits (ec5d34dac0d3c066ff12bc0188cd1b1569ef15c8)

Author	SHA1	Message	Date
Akihiro Suda	daf527ccaf	k3s-rootless.service: use fuse-overlayfs snapshotter ... Kernel 5.11 added support for rootless overlayfs, but still incompatible with SELinux, so we should always use fuse-overlayfs. Related: moby/moby issue 42333 Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>	4 years ago
Akihiro Suda	6e8284e3d4	rootless: enable resource limitation (requires cgroup v2, systemd) ... Now rootless mode can be used with cgroup v2 resource limitations. A pod is executed in a cgroup like "/user.slice/user-1001.slice/user@1001.service/k3s-rootless.service/kubepods/podd0eb6921-c81a-4214-b36c-d3b9bb212fac/63b5a253a1fd4627da16bfce9bec58d72144cf30fe833e0ca9a6d60ebf837475". This is accomplished by running `kubelet` in a cgroup namespace, and enabling `cgroupfs` driver for the cgroup hierarchy delegated by systemd. To enable cgroup v2 resource limitation, `k3s server --rootless` needs to be launched as `systemctl --user` service. Please see the comment lines in `k3s-rootless.service` for the usage. Running `k3s server --rootless` via a terminal is not supported. When it really needs to be launched via a terminal, `systemd-run --user -p Delegate --tty` needs to be prepended to create a systemd scope. Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>	4 years ago