forked from rook/rook
Sébastien Han
871054e887
If someone sets limits to pod, we want to ensure the possible experience, so we want to make sure that people do not configure inapropriate values for certain daemons. We decide to fail if the memory.limit is too low. Signed-off-by: Sébastien Han <seb@redhat.com>
71 lines
1.7 KiB
Go
71 lines
1.7 KiB
Go
/*
|
|
Copyright 2016 The Rook Authors. All rights reserved.
|
|
|
|
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 display
|
|
|
|
import (
|
|
"fmt"
|
|
"math"
|
|
)
|
|
|
|
const (
|
|
// KiB kibibyte
|
|
KiB uint64 = 1024
|
|
// MiB mebibyte
|
|
MiB uint64 = KiB * 1024
|
|
// GiB gibibyte
|
|
GiB uint64 = MiB * 1024
|
|
// TiB tebibyte
|
|
TiB uint64 = GiB * 1024
|
|
// PiB pebibyte
|
|
PiB uint64 = TiB * 1024
|
|
// EiB exbibyte
|
|
EiB uint64 = PiB * 1024
|
|
)
|
|
|
|
// BytesToString converts bytes to strings
|
|
func BytesToString(b uint64) string {
|
|
if b < KiB {
|
|
return fmt.Sprintf("%d B", b)
|
|
} else if b < MiB {
|
|
return formatStorageString(b, KiB, "KiB")
|
|
} else if b < GiB {
|
|
return formatStorageString(b, MiB, "MiB")
|
|
} else if b < TiB {
|
|
return formatStorageString(b, GiB, "GiB")
|
|
} else if b < PiB {
|
|
return formatStorageString(b, TiB, "TiB")
|
|
} else if b < EiB {
|
|
return formatStorageString(b, PiB, "PiB")
|
|
}
|
|
return formatStorageString(b, EiB, "EiB")
|
|
}
|
|
|
|
func formatStorageString(b, u uint64, unitLabel string) string {
|
|
return fmt.Sprintf("%.2f %s", float64(b)/float64(u), unitLabel)
|
|
}
|
|
|
|
// BToMb converts bytes to megabytes
|
|
func BToMb(b uint64) uint64 {
|
|
mb := float64(b) / 1024.0 / 1024.0
|
|
return uint64(math.Round(mb))
|
|
}
|
|
|
|
// MbTob converts megabytes to bytes
|
|
func MbTob(b uint64) uint64 {
|
|
return b * 1024 * 1024
|
|
}
|