forked from virtual-kubelet/virtual-kubelet
/
pods.go
62 lines (54 loc) · 1.76 KB
/
pods.go
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// Copyright © 2017 The virtual-kubelet 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 api
import (
"context"
"net/http"
"github.com/virtual-kubelet/virtual-kubelet/log"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
)
type PodListerFunc func(context.Context) ([]*v1.Pod, error)
func HandleRunningPods(getPods PodListerFunc) http.HandlerFunc {
scheme := runtime.NewScheme()
v1.SchemeBuilder.AddToScheme(scheme)
codecs := serializer.NewCodecFactory(scheme)
return handleError(func(w http.ResponseWriter, req *http.Request) error {
ctx := req.Context()
ctx = log.WithLogger(ctx, log.L)
pods, err := getPods(ctx)
if err != nil {
return err
}
// Borrowed from github.com/kubernetes/kubernetes/pkg/kubelet/server/server.go
// encodePods creates an v1.PodList object from pods and returns the encoded
// PodList.
podList := new(v1.PodList)
for _, pod := range pods {
podList.Items = append(podList.Items, *pod)
}
codec := codecs.LegacyCodec(v1.SchemeGroupVersion)
data, err := runtime.Encode(codec, podList)
if err != nil {
return err
}
w.Header().Set("Content-Type", "application/json")
_, err = w.Write(data)
if err != nil {
return err
}
return nil
})
}