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7d6766adc6
http.Request.ContentLength can be negative, which affects the gateway_s3_bytes_received value in Prometheus output. The commit only increases the value of the total received bytes in gateway mode when r.ContentLength is greater than zero.
78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2019 MinIO, Inc.
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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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*/
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package cmd
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import (
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"net/http"
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"go.uber.org/atomic"
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)
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// RequestStats - counts for Get and Head requests
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type RequestStats struct {
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Get atomic.Uint64 `json:"Get"`
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Head atomic.Uint64 `json:"Head"`
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}
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// Metrics - represents bytes served from backend
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// only implemented for S3 Gateway
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type Metrics struct {
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bytesReceived atomic.Uint64
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bytesSent atomic.Uint64
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requestStats RequestStats
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}
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// IncBytesReceived - Increase total bytes received from gateway backend
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func (s *Metrics) IncBytesReceived(n uint64) {
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s.bytesReceived.Add(n)
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}
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// GetBytesReceived - Get total bytes received from gateway backend
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func (s *Metrics) GetBytesReceived() uint64 {
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return s.bytesReceived.Load()
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}
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// IncBytesSent - Increase total bytes sent to gateway backend
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func (s *Metrics) IncBytesSent(n uint64) {
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s.bytesSent.Add(n)
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}
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// GetBytesSent - Get total bytes received from gateway backend
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func (s *Metrics) GetBytesSent() uint64 {
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return s.bytesSent.Load()
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}
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// IncRequests - Increase request count sent to gateway backend by 1
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func (s *Metrics) IncRequests(method string) {
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// Only increment for Head & Get requests, else no op
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if method == http.MethodGet {
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s.requestStats.Get.Add(1)
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} else if method == http.MethodHead {
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s.requestStats.Head.Add(1)
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}
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}
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// GetRequests - Get total number of Get & Headrequests sent to gateway backend
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func (s *Metrics) GetRequests() RequestStats {
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return s.requestStats
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}
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// NewMetrics - Prepare new Metrics structure
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func NewMetrics() *Metrics {
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return &Metrics{}
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}
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