1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
//go:build !windows && !openbsd && !netbsd && !plan9 && !solaris
// +build !windows,!openbsd,!netbsd,!plan9,!solaris
package main
import (
"log"
"syscall"
)
// go run unmaintained/disk/disk_status.go
type DiskStatus struct {
Dir string `protobuf:"bytes,1,opt,name=dir,proto3" json:"dir,omitempty"`
All uint64 `protobuf:"varint,2,opt,name=all,proto3" json:"all,omitempty"`
Used uint64 `protobuf:"varint,3,opt,name=used,proto3" json:"used,omitempty"`
Free uint64 `protobuf:"varint,4,opt,name=free,proto3" json:"free,omitempty"`
PercentFree float32 `protobuf:"fixed32,5,opt,name=percent_free,json=percentFree,proto3" json:"percent_free,omitempty"`
PercentUsed float32 `protobuf:"fixed32,6,opt,name=percent_used,json=percentUsed,proto3" json:"percent_used,omitempty"`
DiskType string `protobuf:"bytes,7,opt,name=disk_type,json=diskType,proto3" json:"disk_type,omitempty"`
// new fields about avail blocks
Avail uint64 `protobuf:"varint,4,opt,name=avail,proto3" json:"avail,omitempty"`
PercentAvail float32 `protobuf:"fixed32,5,opt,name=percent_avail,json=percentAvail,proto3" json:"percent_avail,omitempty"`
}
func main() {
dirs := []string{"/mnt/sdb", "/mnt/sdc", "/mnt/sdd", "/mnt/sde", "/mnt/sdf", "/mnt/sdg", "/mnt/sdh", "/mnt/sdi", "/mnt/sdj"}
// dirs := []string{"/mnt/sdb"}
for _, dir := range dirs {
disk := &DiskStatus{Dir: dir}
fillInDiskStatus(disk)
// bytes, _ := json.Marshal(disk)
// log.Printf("disk status %s", bytes)
log.Printf("disk: %s avail: %f free: %f", disk.Dir, disk.PercentAvail, disk.PercentFree)
}
}
func fillInDiskStatus(disk *DiskStatus) {
fs := syscall.Statfs_t{}
err := syscall.Statfs(disk.Dir, &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
disk.PercentFree = float32((float64(disk.Free) / float64(disk.All)) * 100)
disk.PercentUsed = float32((float64(disk.Used) / float64(disk.All)) * 100)
// avail blocks
disk.Avail = fs.Bavail * uint64(fs.Bsize)
disk.PercentAvail = float32((float64(disk.Avail) / float64(disk.All)) * 100)
return
}
|
