2ac2b9c909
Allow the api to stay at the same v1 go package name and keep using a 1.x version number. This indicates the API is still at 1.x and allows sharing proto types with containerd 1.6 and 1.7 releases. Signed-off-by: Derek McGowan <derek@mcg.dev>
83 lines
2.8 KiB
Go
83 lines
2.8 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package server
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import (
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"context"
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"sort"
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runcoptions "github.com/containerd/containerd/api/types/runc/options"
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criconfig "github.com/containerd/containerd/v2/internal/cri/config"
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"github.com/containerd/containerd/v2/internal/cri/systemd"
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"github.com/containerd/log"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
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)
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func (c *criService) getLinuxRuntimeConfig(ctx context.Context) *runtime.LinuxRuntimeConfiguration {
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return &runtime.LinuxRuntimeConfiguration{CgroupDriver: c.getCgroupDriver(ctx)}
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}
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func (c *criService) getCgroupDriver(ctx context.Context) runtime.CgroupDriver {
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// Go through the runtime handlers in a predictable order, starting from the
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// default handler, others sorted in alphabetical order
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handlerNames := make([]string, 0, len(c.config.ContainerdConfig.Runtimes))
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for n := range c.config.ContainerdConfig.Runtimes {
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handlerNames = append(handlerNames, n)
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}
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sort.Slice(handlerNames, func(i, j int) bool {
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if handlerNames[i] == c.config.ContainerdConfig.DefaultRuntimeName {
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return true
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}
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if handlerNames[j] == c.config.ContainerdConfig.DefaultRuntimeName {
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return false
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}
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return handlerNames[i] < handlerNames[j]
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})
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for _, handler := range handlerNames {
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opts, err := criconfig.GenerateRuntimeOptions(c.config.ContainerdConfig.Runtimes[handler])
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if err != nil {
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log.G(ctx).Debugf("failed to parse runtime handler options for %q", handler)
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continue
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}
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if d, ok := getCgroupDriverFromRuntimeHandlerOpts(opts); ok {
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return d
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}
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log.G(ctx).Debugf("runtime handler %q does not provide cgroup driver information", handler)
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}
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// If no runtime handlers have a setting, detect if systemd is running
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d := runtime.CgroupDriver_CGROUPFS
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if systemd.IsRunningSystemd() {
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d = runtime.CgroupDriver_SYSTEMD
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}
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log.G(ctx).Debugf("no runtime handler provided cgroup driver setting, using auto-detected %s", runtime.CgroupDriver_name[int32(d)])
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return d
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}
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func getCgroupDriverFromRuntimeHandlerOpts(opts interface{}) (runtime.CgroupDriver, bool) {
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switch v := opts.(type) {
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case *runcoptions.Options:
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systemdCgroup := v.SystemdCgroup
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if systemdCgroup {
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return runtime.CgroupDriver_SYSTEMD, true
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}
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return runtime.CgroupDriver_CGROUPFS, true
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}
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return runtime.CgroupDriver_SYSTEMD, false
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}
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