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92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package madmin
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import (
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"context"
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"encoding/json"
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"net/http"
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"net/url"
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"strings"
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)
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// BandwidthDetails for the measured bandwidth
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type BandwidthDetails struct {
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LimitInBytesPerSecond int64 `json:"limitInBits"`
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CurrentBandwidthInBytesPerSecond float64 `json:"currentBandwidth"`
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}
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// BucketBandwidthReport captures the details for all buckets.
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type BucketBandwidthReport struct {
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BucketStats map[string]BandwidthDetails `json:"bucketStats,omitempty"`
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}
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// Report includes the bandwidth report or the error encountered.
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type Report struct {
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Report BucketBandwidthReport `json:"report"`
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Err error `json:"error,omitempty"`
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}
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// GetBucketBandwidth - Gets a channel reporting bandwidth measurements for replication buckets. If no buckets
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// generate replication traffic an empty map is returned in the report until traffic is seen.
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func (adm *AdminClient) GetBucketBandwidth(ctx context.Context, buckets ...string) <-chan Report {
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queryValues := url.Values{}
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ch := make(chan Report)
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if len(buckets) > 0 {
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queryValues.Set("buckets", strings.Join(buckets, ","))
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}
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reqData := requestData{
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relPath: adminAPIPrefix + "/bandwidth",
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queryValues: queryValues,
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}
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resp, err := adm.executeMethod(ctx, http.MethodGet, reqData)
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if err != nil {
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defer closeResponse(resp)
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ch <- Report{Err: err}
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return ch
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}
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if resp.StatusCode != http.StatusOK {
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ch <- Report{Err: httpRespToErrorResponse(resp)}
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return ch
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}
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dec := json.NewDecoder(resp.Body)
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go func(ctx context.Context, ch chan<- Report, resp *http.Response) {
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defer func() {
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closeResponse(resp)
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close(ch)
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}()
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for {
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var report BucketBandwidthReport
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if err = dec.Decode(&report); err != nil {
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ch <- Report{Err: err}
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return
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}
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select {
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case <-ctx.Done():
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return
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case ch <- Report{Report: report}:
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}
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}
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}(ctx, ch, resp)
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return ch
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}
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