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113 lines
3.5 KiB
Go
113 lines
3.5 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 bandwidth
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import (
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"reflect"
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"testing"
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"time"
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"github.com/minio/madmin-go"
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)
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const (
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oneMiB uint64 = 1024 * 1024
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)
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func TestMonitor_GetReport(t *testing.T) {
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type fields struct {
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activeBuckets map[string]*bucketMeasurement
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endTime time.Time
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update2 uint64
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endTime2 time.Time
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}
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start := time.Now()
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m0 := newBucketMeasurement(start)
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m0.incrementBytes(0)
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m1MiBPS := newBucketMeasurement(start)
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m1MiBPS.incrementBytes(oneMiB)
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tests := []struct {
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name string
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fields fields
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want *madmin.BucketBandwidthReport
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want2 *madmin.BucketBandwidthReport
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}{
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{
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name: "ZeroToOne",
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fields: fields{
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activeBuckets: map[string]*bucketMeasurement{
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"bucket": m0,
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},
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endTime: start.Add(1 * time.Second),
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update2: oneMiB,
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endTime2: start.Add(2 * time.Second),
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},
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want: &madmin.BucketBandwidthReport{
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BucketStats: map[string]madmin.BandwidthDetails{"bucket": {LimitInBytesPerSecond: 1024 * 1024, CurrentBandwidthInBytesPerSecond: 0}},
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},
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want2: &madmin.BucketBandwidthReport{
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BucketStats: map[string]madmin.BandwidthDetails{"bucket": {LimitInBytesPerSecond: 1024 * 1024, CurrentBandwidthInBytesPerSecond: (1024 * 1024) / start.Add(2*time.Second).Sub(start.Add(1*time.Second)).Seconds()}},
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},
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},
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{
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name: "OneToTwo",
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fields: fields{
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activeBuckets: map[string]*bucketMeasurement{
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"bucket": m1MiBPS,
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},
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endTime: start.Add(1 * time.Second),
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update2: 2 * oneMiB,
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endTime2: start.Add(2 * time.Second),
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},
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want: &madmin.BucketBandwidthReport{
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BucketStats: map[string]madmin.BandwidthDetails{"bucket": {LimitInBytesPerSecond: 1024 * 1024, CurrentBandwidthInBytesPerSecond: float64(oneMiB)}},
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},
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want2: &madmin.BucketBandwidthReport{
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BucketStats: map[string]madmin.BandwidthDetails{"bucket": {
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LimitInBytesPerSecond: 1024 * 1024,
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CurrentBandwidthInBytesPerSecond: exponentialMovingAverage(betaBucket, float64(oneMiB), 2*float64(oneMiB))}},
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},
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},
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}
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for _, tt := range tests {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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t.Parallel()
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thr := throttle{
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NodeBandwidthPerSec: 1024 * 1024,
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}
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m := &Monitor{
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activeBuckets: tt.fields.activeBuckets,
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bucketThrottle: map[string]*throttle{"bucket": &thr},
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NodeCount: 1,
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}
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m.activeBuckets["bucket"].updateExponentialMovingAverage(tt.fields.endTime)
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got := m.GetReport(SelectBuckets())
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("GetReport() = %v, want %v", got, tt.want)
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}
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m.activeBuckets["bucket"].incrementBytes(tt.fields.update2)
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m.activeBuckets["bucket"].updateExponentialMovingAverage(tt.fields.endTime2)
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got = m.GetReport(SelectBuckets())
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if !reflect.DeepEqual(got, tt.want2) {
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t.Errorf("GetReport() = %v, want %v", got, tt.want2)
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}
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})
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}
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}
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