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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,84 @@ | ||
| // SPDX-License-Identifier: APACHE-2.0 | ||
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| package main | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
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| nriapi "github.com/containerd/nri/pkg/api" | ||
| "github.com/containerd/nri/pkg/stub" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
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| const ( | ||
| pluginName = "kindnet" | ||
| pluginIdx = "10" | ||
| ) | ||
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| type nriPlugin struct { | ||
| stub stub.Stub | ||
| } | ||
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| func NewNriPlugin() (*nriPlugin, error) { | ||
| p := &nriPlugin{} | ||
| opts := []stub.Option{ | ||
| stub.WithOnClose(p.onClose), | ||
| stub.WithPluginName(pluginName), | ||
| stub.WithPluginIdx(pluginIdx), | ||
| } | ||
| stub, err := stub.New(p, opts...) | ||
| if err != nil { | ||
| return p, fmt.Errorf("failed to create plugin stub: %w", err) | ||
| } | ||
| p.stub = stub | ||
| return p, nil | ||
| } | ||
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| func (p *nriPlugin) Run(ctx context.Context) error { | ||
| return p.stub.Run(ctx) | ||
| } | ||
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| func (p *nriPlugin) Synchronize(_ context.Context, pods []*nriapi.PodSandbox, containers []*nriapi.Container) ([]*nriapi.ContainerUpdate, error) { | ||
| klog.Infof("Synchronized state with the runtime (%d pods, %d containers)...", | ||
| len(pods), len(containers)) | ||
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| for _, pod := range pods { | ||
| klog.Infof("pod %s/%s: namespace=%s ips=%v", pod.GetNamespace(), pod.GetName(), getNetworkNamespace(pod), pod.GetIps()) | ||
| } | ||
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| return nil, nil | ||
| } | ||
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| func (p *nriPlugin) Shutdown(_ context.Context) { | ||
| klog.Info("Runtime shutting down...") | ||
| } | ||
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| func (p *nriPlugin) RunPodSandbox(_ context.Context, pod *nriapi.PodSandbox) error { | ||
| klog.Infof("Started pod %s/%s: namespace=%s ips=%v", pod.GetNamespace(), pod.GetName(), getNetworkNamespace(pod), pod.GetIps()) | ||
| return nil | ||
| } | ||
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| func (p *nriPlugin) StopPodSandbox(_ context.Context, pod *nriapi.PodSandbox) error { | ||
| klog.Infof("Stopped pod %s/%s: ips=%v", pod.GetNamespace(), pod.GetName(), pod.GetIps()) | ||
| return nil | ||
| } | ||
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| func (p *nriPlugin) RemovePodSandbox(_ context.Context, pod *nriapi.PodSandbox) error { | ||
| klog.Infof("Removed pod %s/%s: ips=%v", pod.GetNamespace(), pod.GetName(), pod.GetIps()) | ||
| return nil | ||
| } | ||
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| func (p *nriPlugin) onClose() { | ||
| klog.Infof("Connection to the runtime lost, exiting...") | ||
| } | ||
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| func getNetworkNamespace(pod *nriapi.PodSandbox) string { | ||
| // get the pod network namespace | ||
| for _, namespace := range pod.Linux.GetNamespaces() { | ||
| if namespace.Type == "network" { | ||
| return namespace.Path | ||
| } | ||
| } | ||
| return "<host-network>" | ||
| } |
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