57 lines
2.1 KiB
Go
57 lines
2.1 KiB
Go
//go:build !windows && !openbsd && !netbsd && !plan9 && !solaris
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package main
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import (
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"log"
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"syscall"
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)
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// go run unmaintained/disk/disk_status.go
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type DiskStatus struct {
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Dir string `protobuf:"bytes,1,opt,name=dir,proto3" json:"dir,omitempty"`
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All uint64 `protobuf:"varint,2,opt,name=all,proto3" json:"all,omitempty"`
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Used uint64 `protobuf:"varint,3,opt,name=used,proto3" json:"used,omitempty"`
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Free uint64 `protobuf:"varint,4,opt,name=free,proto3" json:"free,omitempty"`
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PercentFree float32 `protobuf:"fixed32,5,opt,name=percent_free,json=percentFree,proto3" json:"percent_free,omitempty"`
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PercentUsed float32 `protobuf:"fixed32,6,opt,name=percent_used,json=percentUsed,proto3" json:"percent_used,omitempty"`
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DiskType string `protobuf:"bytes,7,opt,name=disk_type,json=diskType,proto3" json:"disk_type,omitempty"`
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// new fields about avail blocks
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Avail uint64 `protobuf:"varint,4,opt,name=avail,proto3" json:"avail,omitempty"`
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PercentAvail float32 `protobuf:"fixed32,5,opt,name=percent_avail,json=percentAvail,proto3" json:"percent_avail,omitempty"`
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}
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func main() {
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dirs := []string{"/mnt/sdb", "/mnt/sdc", "/mnt/sdd", "/mnt/sde", "/mnt/sdf", "/mnt/sdg", "/mnt/sdh", "/mnt/sdi", "/mnt/sdj"}
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// dirs := []string{"/mnt/sdb"}
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for _, dir := range dirs {
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disk := &DiskStatus{Dir: dir}
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fillInDiskStatus(disk)
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// bytes, _ := json.Marshal(disk)
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// log.Printf("disk status %s", bytes)
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log.Printf("disk: %s avail: %f free: %f", disk.Dir, disk.PercentAvail, disk.PercentFree)
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}
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}
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func fillInDiskStatus(disk *DiskStatus) {
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fs := syscall.Statfs_t{}
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err := syscall.Statfs(disk.Dir, &fs)
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if err != nil {
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return
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}
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disk.All = fs.Blocks * uint64(fs.Bsize)
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disk.Free = fs.Bfree * uint64(fs.Bsize)
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disk.Used = disk.All - disk.Free
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disk.PercentFree = float32((float64(disk.Free) / float64(disk.All)) * 100)
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disk.PercentUsed = float32((float64(disk.Used) / float64(disk.All)) * 100)
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// avail blocks
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disk.Avail = fs.Bavail * uint64(fs.Bsize)
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disk.PercentAvail = float32((float64(disk.Avail) / float64(disk.All)) * 100)
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return
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}
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