mirror of
https://github.com/minio/minio.git
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2aa18cafc6
With CoreDNS now supporting etcdv3 as the DNS backend, we can update our federation target to etcdv3. Users will now be able to use etcdv3 server as the federation backbone. Minio will update bucket data to etcdv3 and CoreDNS can pick that data up and serve it as bucket style DNS path.
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package zap
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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.uber.org/zap/zapcore"
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)
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// ServeHTTP is a simple JSON endpoint that can report on or change the current
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// logging level.
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//
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// GET requests return a JSON description of the current logging level. PUT
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// requests change the logging level and expect a payload like:
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// {"level":"info"}
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//
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// It's perfectly safe to change the logging level while a program is running.
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func (lvl AtomicLevel) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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type errorResponse struct {
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Error string `json:"error"`
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}
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type payload struct {
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Level *zapcore.Level `json:"level"`
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}
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enc := json.NewEncoder(w)
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switch r.Method {
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case http.MethodGet:
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current := lvl.Level()
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enc.Encode(payload{Level: ¤t})
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case http.MethodPut:
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var req payload
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if errmess := func() string {
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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return fmt.Sprintf("Request body must be well-formed JSON: %v", err)
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}
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if req.Level == nil {
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return "Must specify a logging level."
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}
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return ""
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}(); errmess != "" {
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w.WriteHeader(http.StatusBadRequest)
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enc.Encode(errorResponse{Error: errmess})
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return
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}
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lvl.SetLevel(*req.Level)
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enc.Encode(req)
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default:
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w.WriteHeader(http.StatusMethodNotAllowed)
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enc.Encode(errorResponse{
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Error: "Only GET and PUT are supported.",
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})
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}
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}
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