33 lines
1.1 KiB
Go
33 lines
1.1 KiB
Go
// Copyright 2020 The Prometheus 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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//
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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 injectproxy
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import (
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"encoding/json"
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"log"
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"net/http"
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)
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func prometheusAPIError(w http.ResponseWriter, errorMessage string, code int) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.WriteHeader(code)
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res := map[string]string{"status": "error", "errorType": "prom-label-proxy", "error": errorMessage}
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if err := json.NewEncoder(w).Encode(res); err != nil {
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log.Printf("error: Failed to encode json: %v", err)
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}
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}
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