mirror of https://github.com/minio/minio.git
83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2020 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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*/
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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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"github.com/minio/minio/pkg/bandwidth"
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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 bandwidth.Report `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{bandwidth.Report{}, 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{bandwidth.Report{}, 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 bandwidth.Report
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if err = dec.Decode(&report); err != nil {
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ch <- Report{bandwidth.Report{}, 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, Err: err}:
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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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