Add new flag that is passed through to the device_ownership_from_security_context parameter in the containerd CRI config. This is not possible to change without providing a complete custom containerd.toml template so we should add a flag for it.
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
* Fix issue with bare host or IP as endpoint
* Fix issue with localhost registries not defaulting to http.
* Move the registry template prep to a separate function,
and adds tests of that function so that we can ensure we're
generating the correct content.
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
Render cri registry mirrors.x.endpoints and configs.x.tls into config_path; keep
using mirrors.x.rewrites and configs.x.auth those do not yet have an
equivalent in the new format.
The new config file format allows disabling containerd's fallback to the
default endpoint when using mirror endpoints; a new CLI flag is added to
control that behavior.
This also re-shares some code that was unnecessarily split into parallel
implementations for linux/windows versions. There is probably more work
to be done on this front but it's a good start.
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
* Update the default containerd config template with support for adding extra container runtimes. Add logic to discover nvidia container runtimes installed via the the gpu operator or package manager.
Signed-off-by: Joe Kralicky <joe.kralicky@suse.com>
* Move registries.yaml handling out to rancher/wharfie
* Add system-default-registry support
* Add CLI support for kubelet image credential providers
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
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>
Support repository regex rewrite rules when fetching image content.
Example configuration:
```yaml
# /etc/rancher/k3s/registries.yaml
mirrors:
"docker.io":
endpoint:
- "https://registry-1.docker.io/v2"
rewrite:
"^library/alpine$": "my-org/alpine"
```
This will instruct k3s containerd to fetch content for `alpine` images
from `docker.io/my-org/alpine` instead of the default
`docker.io/library/alpine` locations.
Signed-off-by: Jacob Blain Christen <jacob@rancher.com>
Related to #2455 and containerd/containerd#4684
These were not meant to be enabled by default, break images with many
layers, and will be disabled by default on the next containerd release.
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
* cli: add --selinux flag to agent/server sub-cmds
Introduces --selinux flag to affirmatively enable SELinux in containerd.
Deprecates --disable-selinux flag which now defaults to true which
auto-detection of SELinux configuration for containerd is no longer
supported. Specifying both --selinux and --disable-selinux will result
in an error message encouraging you to pick a side.
* Update pkg/agent/containerd/containerd.go
update log warning message about enabled selinux host but disabled runtime
Co-authored-by: Brad Davidson <brad@oatmail.org>
Signed-off-by: Jacob Blain Christen <jacob@rancher.com>
Brad Davidson