mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
62 lines
1.6 KiB
Go
62 lines
1.6 KiB
Go
// Copyright 2015 The etcd Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package etcdhttp
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"go.etcd.io/etcd/api/v3/version"
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"go.etcd.io/etcd/server/v3/etcdserver"
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"go.etcd.io/etcd/server/v3/etcdserver/api"
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)
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const (
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versionPath = "/version"
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)
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func HandleVersion(mux *http.ServeMux, server etcdserver.ServerPeer) {
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mux.HandleFunc(versionPath, versionHandler(server.Cluster(), serveVersion))
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}
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func versionHandler(c api.Cluster, fn func(http.ResponseWriter, *http.Request, string)) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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v := c.Version()
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if v != nil {
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fn(w, r, v.String())
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} else {
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fn(w, r, "not_decided")
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}
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}
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}
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func serveVersion(w http.ResponseWriter, r *http.Request, clusterV string) {
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if !allowMethod(w, r, "GET") {
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return
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}
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vs := version.Versions{
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Server: version.Version,
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Cluster: clusterV,
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}
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w.Header().Set("Content-Type", "application/json")
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b, err := json.Marshal(&vs)
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if err != nil {
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panic(fmt.Sprintf("cannot marshal versions to json (%v)", err))
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}
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w.Write(b)
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}
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