minio/cmd/notification-summary.go
2022-01-02 09:15:06 -08:00

67 lines
2.3 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package cmd
import (
"github.com/minio/madmin-go"
)
// GetTotalCapacity gets the total capacity in the cluster.
func GetTotalCapacity(diskInfo []madmin.Disk) (capacity uint64) {
for _, disk := range diskInfo {
capacity += disk.TotalSpace
}
return
}
// GetTotalUsableCapacity gets the total usable capacity in the cluster.
// This value is not an accurate representation of total usable in a multi-tenant deployment.
func GetTotalUsableCapacity(diskInfo []madmin.Disk, s StorageInfo) (capacity float64) {
raw := GetTotalCapacity(diskInfo)
var approxDataBlocks float64
var actualDisks float64
for _, scData := range s.Backend.StandardSCData {
approxDataBlocks += float64(scData)
actualDisks += float64(scData + s.Backend.StandardSCParity)
}
ratio := approxDataBlocks / actualDisks
return float64(raw) * ratio
}
// GetTotalCapacityFree gets the total capacity free in the cluster.
func GetTotalCapacityFree(diskInfo []madmin.Disk) (capacity uint64) {
for _, d := range diskInfo {
capacity += d.AvailableSpace
}
return
}
// GetTotalUsableCapacityFree gets the total usable capacity free in the cluster.
// This value is not an accurate representation of total free in a multi-tenant deployment.
func GetTotalUsableCapacityFree(diskInfo []madmin.Disk, s StorageInfo) (capacity float64) {
raw := GetTotalCapacityFree(diskInfo)
var approxDataBlocks float64
var actualDisks float64
for _, scData := range s.Backend.StandardSCData {
approxDataBlocks += float64(scData)
actualDisks += float64(scData + s.Backend.StandardSCParity)
}
ratio := approxDataBlocks / actualDisks
return float64(raw) * ratio
}