mirror of
https://github.com/k3s-io/kubernetes.git
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90 lines
2.9 KiB
Go
90 lines
2.9 KiB
Go
/*
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Copyright 2014 The Kubernetes 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 rest
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import (
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"fmt"
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"k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/runtime"
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genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
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genericregistry "k8s.io/apiserver/pkg/registry/generic/registry"
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genericrest "k8s.io/apiserver/pkg/registry/generic/rest"
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"k8s.io/apiserver/pkg/registry/rest"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/validation"
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"k8s.io/kubernetes/pkg/kubelet/client"
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"k8s.io/kubernetes/pkg/registry/core/pod"
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)
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// LogREST implements the log endpoint for a Pod
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type LogREST struct {
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KubeletConn client.ConnectionInfoGetter
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Store *genericregistry.Store
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}
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// LogREST implements GetterWithOptions
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var _ = rest.GetterWithOptions(&LogREST{})
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// New creates a new Pod log options object
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func (r *LogREST) New() runtime.Object {
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// TODO - return a resource that represents a log
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return &api.Pod{}
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}
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// LogREST implements StorageMetadata
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func (r *LogREST) ProducesMIMETypes(verb string) []string {
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// Since the default list does not include "plain/text", we need to
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// explicitly override ProducesMIMETypes, so that it gets added to
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// the "produces" section for pods/{name}/log
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return []string{
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"text/plain",
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}
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}
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// LogREST implements StorageMetadata, return string as the generating object
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func (r *LogREST) ProducesObject(verb string) interface{} {
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return ""
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}
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// Get retrieves a runtime.Object that will stream the contents of the pod log
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func (r *LogREST) Get(ctx genericapirequest.Context, name string, opts runtime.Object) (runtime.Object, error) {
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logOpts, ok := opts.(*api.PodLogOptions)
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if !ok {
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return nil, fmt.Errorf("invalid options object: %#v", opts)
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}
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if errs := validation.ValidatePodLogOptions(logOpts); len(errs) > 0 {
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return nil, errors.NewInvalid(api.Kind("PodLogOptions"), name, errs)
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}
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location, transport, err := pod.LogLocation(r.Store, r.KubeletConn, ctx, name, logOpts)
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if err != nil {
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return nil, err
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}
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return &genericrest.LocationStreamer{
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Location: location,
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Transport: transport,
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ContentType: "text/plain",
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Flush: logOpts.Follow,
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ResponseChecker: genericrest.NewGenericHttpResponseChecker(api.Resource("pods/log"), name),
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}, nil
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}
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// NewGetOptions creates a new options object
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func (r *LogREST) NewGetOptions() (runtime.Object, bool, string) {
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return &api.PodLogOptions{}, false, ""
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}
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