mirror of https://github.com/k3s-io/k3s
55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 podtask
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import (
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"fmt"
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"io"
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"net/http"
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log "github.com/golang/glog"
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)
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//TODO(jdef) we use a Locker to guard against concurrent task state changes, but it would be
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//really, really nice to avoid doing this. Maybe someday the registry won't return data ptrs
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//but plain structs instead.
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func InstallDebugHandlers(reg Registry, mux *http.ServeMux) {
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mux.HandleFunc("/debug/registry/tasks", func(w http.ResponseWriter, r *http.Request) {
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//TODO(jdef) support filtering tasks based on status
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alltasks := reg.List(nil)
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io.WriteString(w, fmt.Sprintf("task_count=%d\n", len(alltasks)))
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for _, task := range alltasks {
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if err := func() (err error) {
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podName := task.Pod.Name
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podNamespace := task.Pod.Namespace
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offerId := ""
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if task.Offer != nil {
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offerId = task.Offer.Id()
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}
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_, err = io.WriteString(w, fmt.Sprintf("%v\t%v/%v\t%v\t%v\n", task.ID, podNamespace, podName, task.State, offerId))
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return
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}(); err != nil {
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log.Warningf("aborting debug handler: %v", err)
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break // stop listing on I/O errors
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}
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}
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if flusher, ok := w.(http.Flusher); ok {
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flusher.Flush()
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}
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})
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}
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