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Add crictl
update-runtime-config command
The command can be used to update the runtime config, which only supports the pod CIDR for now. Signed-off-by: Sascha Grunert <sgrunert@redhat.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| Copyright 2024 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/sirupsen/logrus" | ||
| "github.com/urfave/cli/v2" | ||
| pb "k8s.io/cri-api/pkg/apis/runtime/v1" | ||
| ) | ||
|
|
||
| const ( | ||
| podCIDRFlag = "pod-cidr" | ||
| ) | ||
|
|
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| var updateRuntimeConfigCommand = &cli.Command{ | ||
| Name: "update-runtime-config", | ||
| Usage: "Update the runtime configuration", | ||
| UseShortOptionHandling: true, | ||
| Flags: []cli.Flag{ | ||
| &cli.StringFlag{ | ||
| Name: podCIDRFlag, | ||
| Aliases: []string{"p"}, | ||
| Usage: "The new Classless Inter-Domain Routing (CIDR) value to be used for pod IP addresses. If the CIDR is empty, runtimes should omit it.", | ||
| }, | ||
| }, | ||
| Action: func(c *cli.Context) error { | ||
| if c.NArg() != 0 || c.NumFlags() == 0 { | ||
| return cli.ShowSubcommandHelp(c) | ||
| } | ||
|
|
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| runtimeConfig := &pb.RuntimeConfig{} | ||
| if c.IsSet(podCIDRFlag) { | ||
| runtimeConfig.NetworkConfig = &pb.NetworkConfig{PodCidr: c.String(podCIDRFlag)} | ||
| } | ||
|
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| runtimeClient, err := getRuntimeService(c, 0) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| if _, err := InterruptableRPC(nil, func(ctx context.Context) (any, error) { | ||
| return nil, runtimeClient.UpdateRuntimeConfig(ctx, runtimeConfig) | ||
| }); err != nil { | ||
| return fmt.Errorf("update runtime config: %w", err) | ||
| } | ||
|
|
||
| logrus.Info("Runtime config successfully updated") | ||
| return nil | ||
| }, | ||
| } |
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