minio/cmd/notification-summary.go

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/*
* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package cmd
import (
"github.com/minio/minio/pkg/madmin"
)
// 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
}