mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2026-05-17 00:26:36 +03:00
696c1aa3e8
This commit introduces a new metric to expose fs type for the provided path.
For example:
```
vm_fs_info{path="/vmstorage-data", fs_type="xfs"}
```
Path must be registered with new method `fs.RegisterPathFsMetrics`.
fixes https://github.com/VictoriaMetrics/VictoriaMetrics/issues/10482
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
//go:build linux
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package fs
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import (
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"golang.org/x/sys/unix"
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)
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type statfs_t = unix.Statfs_t
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func freeSpace(stat statfs_t) uint64 {
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return uint64(stat.Bavail) * uint64(stat.Bsize)
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}
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// totalSpace returns the total capacity of the filesystem described by stat in bytes.
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func totalSpace(stat statfs_t) uint64 {
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return uint64(stat.Blocks) * uint64(stat.Bsize)
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}
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func statfs(path string, stat *statfs_t) (err error) {
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return unix.Statfs(path, stat)
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}
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// https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/magic.h
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var fsMagicNumberToName = map[int64]string{
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0xEF53: "ext2/ext3/ext4",
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0xabba1974: "xenfs",
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0x9123683E: "btrfs",
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0x3434: "nilfs",
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0xF2F52010: "f2fs",
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0xf995e849: "hpfs",
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0x9660: "isofs",
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0x72b6: "jffs2",
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0x58465342: "xfs",
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0x6165676C: "pstorefs",
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0xde5e81e4: "efivarfs",
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0x00c0ffee: "hostfs",
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0x794c7630: "overlayfs",
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0x65735546: "fuse",
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0xca451a4e: "bcachefs",
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0xadf5: "adfs",
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0xadff: "affs",
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0x5346414F: "afs",
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0x0187: "autofs",
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0xf15f: "ecryptfs",
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0x414A53: "efs",
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0xE0F5E1E2: "erofs",
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0x6969: "nfs",
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0xFF534D42: "cifs",
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0x6c6f6f70: "binderfs",
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0xBAD1DEA: "futexfs",
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}
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func getFsType(path string) string {
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var stat statfs_t
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fsName := "unknown"
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err := statfs(path, &stat)
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if err != nil {
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return fsName
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}
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if fsn, ok := fsMagicNumberToName[int64(stat.Type)]; ok {
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fsName = fsn
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}
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return fsName
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}
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