mirror of https://github.com/minio/minio.git
				
				
				
			
		
			
				
	
	
		
			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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| 
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| package cmd
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| 
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| import (
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| 	"github.com/minio/minio/pkg/madmin"
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| )
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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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| 
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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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| 
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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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| 
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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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| 
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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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