add NVMe drive info [model num, serial num, drive temp. etc.] (#10613)

* add NVMe drive info [model num, serial num, drive temp. etc.]
* Ignore fuse partitions
* Add the nvme logic only for linux
* Move smart/nvme structs to a separate file

Co-authored-by: wlan0 <sidharthamn@gmail.com>

pkg/madmin/obd_linux.go

@@ -1,4 +1,4 @@
-// +build !freebsd
+// +build linux
 
 /*
  * MinIO Cloud Storage, (C) 2020 MinIO, Inc.
@@ -20,6 +20,7 @@
 package madmin
 
 import (
+	smart "github.com/minio/minio/pkg/smart"
 	diskhw "github.com/shirou/gopsutil/disk"
 )
 
@@ -27,7 +28,16 @@ import (
 type ServerDiskHwOBDInfo struct {
 	Addr       string                           `json:"addr"`
 	Usage      []*diskhw.UsageStat              `json:"usages,omitempty"`
-	Partitions []diskhw.PartitionStat           `json:"partitions,omitempty"`
+	Partitions []PartitionStat                  `json:"partitions,omitempty"`
 	Counters   map[string]diskhw.IOCountersStat `json:"counters,omitempty"`
 	Error      string                           `json:"error,omitempty"`
 }
+
+// PartitionStat - includes data from both shirou/psutil.diskHw.PartitionStat as well as SMART data
+type PartitionStat struct {
+	Device     string     `json:"device"`
+	Mountpoint string     `json:"mountpoint,omitempty"`
+	Fstype     string     `json:"fstype,omitempty"`
+	Opts       string     `json:"opts,omitempty"`
+	SmartInfo  smart.Info `json:"smartInfo,omitempty"`
+}

pkg/madmin/obd_nonlinux.go

@@ -1,3 +1,5 @@
+// +build !linux
+
 /*
  * MinIO Cloud Storage, (C) 2020 MinIO, Inc.
  *