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@junoteam
Forked from lunny/diskinfo.go
Created Jan 9, 2019
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Disk Info for Golang
package main
import (
"fmt"
"syscall"
)
type DiskStatus struct {
All uint64 `json:"all"`
Used uint64 `json:"used"`
Free uint64 `json:"free"`
}
// disk usage of path/disk
func DiskUsage(path string) (disk DiskStatus) {
fs := syscall.Statfs_t{}
err := syscall.Statfs(path, &fs)
if err != nil {
return
}
disk.All = fs.Blocks * uint64(fs.Bsize)
disk.Free = fs.Bfree * uint64(fs.Bsize)
disk.Used = disk.All - disk.Free
return
}
const (
B = 1
KB = 1024 * B
MB = 1024 * KB
GB = 1024 * MB
)
func main() {
disk := DiskUsage("/")
fmt.Printf("All: %.2f GB\n", float64(disk.All)/float64(GB))
fmt.Printf("Used: %.2f GB\n", float64(disk.Used)/float64(GB))
fmt.Printf("Free: %.2f GB\n", float64(disk.Free)/float64(GB))
}
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