63fa4e124b
* Add the /runningpods/ api endpoint This adds an API endpoint from the kubelet (/runningpods/). It is an endpoint on kubelet which is considered a "debug" endpoint, so it might be worth exposing through the options, but by default it is exposed in most k8s configs AFAICT.
54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package api
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import (
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"context"
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"net/http"
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"github.com/cpuguy83/strongerrors"
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"github.com/virtual-kubelet/virtual-kubelet/log"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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)
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// ContainerLogsBackend is used in place of backend implementations for the provider's pods
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type RunningPodsBackend interface {
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// GetPods retrieves a list of all pods running on the provider (can be cached).
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GetPods(context.Context) ([]*v1.Pod, error)
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}
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func RunningPodsHandlerFunc(p RunningPodsBackend) http.HandlerFunc {
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scheme := runtime.NewScheme()
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v1.SchemeBuilder.AddToScheme(scheme)
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codecs := serializer.NewCodecFactory(scheme)
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return handleError(func(w http.ResponseWriter, req *http.Request) error {
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ctx := req.Context()
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ctx = log.WithLogger(ctx, log.L)
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pods, err := p.GetPods(ctx)
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if err != nil {
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return err
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}
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// Borrowed from github.com/kubernetes/kubernetes/pkg/kubelet/server/server.go
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// encodePods creates an v1.PodList object from pods and returns the encoded
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// PodList.
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podList := new(v1.PodList)
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for _, pod := range pods {
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podList.Items = append(podList.Items, *pod)
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}
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codec := codecs.LegacyCodec(v1.SchemeGroupVersion)
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data, err := runtime.Encode(codec, podList)
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if err != nil {
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return strongerrors.System(err)
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}
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w.Header().Set("Content-Type", "application/json")
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_, err = w.Write(data)
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if err != nil {
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return strongerrors.System(err)
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}
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return nil
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})
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}
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