A Linux Block Device Info Library
$ wget https://github.com/blp1526/blkinfo/releases/latest/download/blkinfo_linux_x86_64.tar.gz
$ tar zxvf blkinfo_linux_x86_64.tar.gz
$ blkinfo /dev/vda3
{
"path": "/dev/vda3",
"resolved_path": "/dev/vda3",
"parent_path": "/dev/vda",
"child_paths": [],
"sys_path": "/sys/block/vda/vda3",
"resolved_sys_path": "/sys/devices/pci0000:00/0000:00:05.0/virtio2/block/vda/vda3",
"sys": {
"uevent": [
"MAJOR=252",
"MINOR=3",
"DEVNAME=vda3",
"DEVTYPE=partition",
"PARTN=3"
],
"slaves": [],
"holders": []
},
"major_minor": "252:3",
"udev_data_path": "/run/udev/data/b252:3",
"udev_data": [
"S:disk/by-uuid/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"S:disk/by-partuuid/xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"S:disk/by-path/virtio-pci-0000:00:05.0-part3",
"S:disk/by-path/pci-0000:00:05.0-part3",
"W:4",
"I:1583813",
"E:ID_SCSI=1",
"E:ID_PART_TABLE_TYPE=gpt",
"E:ID_PART_TABLE_UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"E:ID_PATH=pci-0000:00:05.0",
"E:ID_PATH_TAG=pci-0000_00_05_0",
"E:ID_FS_UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"E:ID_FS_UUID_ENC=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"E:ID_FS_VERSION=1.0",
"E:ID_FS_TYPE=ext4",
"E:ID_FS_USAGE=filesystem",
"E:ID_PART_ENTRY_SCHEME=gpt",
"E:ID_PART_ENTRY_UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"E:ID_PART_ENTRY_TYPE=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"E:ID_PART_ENTRY_NUMBER=3",
"E:ID_PART_ENTRY_OFFSET=8392704",
"E:ID_PART_ENTRY_SIZE=33548288",
"E:ID_PART_ENTRY_DISK=252:0",
"E:net.ifnames=0",
"G:systemd"
],
"mount_info_path": "/proc/self/mountinfo",
"mount_info": {
"mount_id": "28",
"parent_id": "0",
"major_minor": "252:3",
"root": "/",
"mount_point": "/",
"mount_options": [
"rw",
"relatime"
],
"optional_fields": [
"shared:1"
],
"filesystem_type": "ext4",
"mount_source": "/dev/vda3",
"super_options": [
"rw",
"errors=remount-ro",
"data=ordered"
]
},
"os_release_path": "/etc/os-release",
"os_release": {
"BUG_REPORT_URL": "https://bugs.launchpad.net/ubuntu/",
"HOME_URL": "https://www.ubuntu.com/",
"ID": "ubuntu",
"ID_LIKE": "debian",
"NAME": "Ubuntu",
"PRETTY_NAME": "Ubuntu 18.04.3 LTS",
"PRIVACY_POLICY_URL": "https://www.ubuntu.com/legal/terms-and-policies/privacy-policy",
"SUPPORT_URL": "https://help.ubuntu.com/",
"UBUNTU_CODENAME": "bionic",
"VERSION": "18.04.3 LTS (Bionic Beaver)",
"VERSION_CODENAME": "bionic",
"VERSION_ID": "18.04"
}
}| Option | Description |
|---|---|
| --help, -h | show help |
| --output value, -o value | output as "json" or "yaml" (default: "json") |
| --version, -v | print the version |
package main
import (
"encoding/json"
"fmt"
"github.com/blp1526/blkinfo"
)
func main() {
bi, _ := blkinfo.New("/dev/vda3")
b, _ := json.Marshal(bi)
fmt.Println(string(b))
}$ make