mirror of
https://github.com/minio/minio.git
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68 lines
2.2 KiB
Go
68 lines
2.2 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 cmd
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import (
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"github.com/minio/minio/pkg/madmin"
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)
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// GetTotalCapacity gets the total capacity in the cluster.
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func GetTotalCapacity(diskInfo []madmin.Disk) (capacity uint64) {
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for _, disk := range diskInfo {
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capacity += disk.TotalSpace
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}
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return
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}
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// GetTotalUsableCapacity gets the total usable capacity in the cluster.
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// This value is not an accurate representation of total usable in a multi-tenant deployment.
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func GetTotalUsableCapacity(diskInfo []madmin.Disk, s StorageInfo) (capacity float64) {
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raw := GetTotalCapacity(diskInfo)
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var approxDataBlocks float64
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var actualDisks float64
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for _, scData := range s.Backend.StandardSCData {
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approxDataBlocks += float64(scData)
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actualDisks += float64(scData + s.Backend.StandardSCParity)
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}
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ratio := approxDataBlocks / actualDisks
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return float64(raw) * ratio
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}
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// GetTotalCapacityFree gets the total capacity free in the cluster.
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func GetTotalCapacityFree(diskInfo []madmin.Disk) (capacity uint64) {
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for _, d := range diskInfo {
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capacity += d.AvailableSpace
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}
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return
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}
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// GetTotalUsableCapacityFree gets the total usable capacity free in the cluster.
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// This value is not an accurate representation of total free in a multi-tenant deployment.
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func GetTotalUsableCapacityFree(diskInfo []madmin.Disk, s StorageInfo) (capacity float64) {
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raw := GetTotalCapacityFree(diskInfo)
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var approxDataBlocks float64
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var actualDisks float64
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for _, scData := range s.Backend.StandardSCData {
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approxDataBlocks += float64(scData)
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actualDisks += float64(scData + s.Backend.StandardSCParity)
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}
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ratio := approxDataBlocks / actualDisks
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return float64(raw) * ratio
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}
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