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jc.parsers.sfdisk

jc - JSON Convert sfdisk command output parser

Supports the following sfdisk options:

• -l
• -F
• -d (deprecated - only for older versions of util-linux)
• -uM (deprecated - only for older versions of util-linux)
• -uC (deprecated - only for older versions of util-linux)
• -uS (deprecated - only for older versions of util-linux)
• -uB (deprecated - only for older versions of util-linux)

Usage (cli):

# sfdisk -l | jc --sfdisk

or

# jc sfdisk -l

Usage (module):

import jc
result = jc.parse('sfdisk', sfdisk_command_output)

Schema:

[
  {
    "disk":                     string,
    "disk_size":                string,
    "free_disk_size":           string,
    "bytes":                    integer,
    "free_bytes":               integer,
    "sectors":                  integer,
    "free_sectors":             integer,
    "cylinders":                integer,
    "heads":                    integer,
    "sectors_per_track":        integer,
    "units":                    string,
    "logical_sector_size":      integer,
    "physical_sector_size":     integer,
    "min_io_size":              integer,
    "optimal_io_size":          integer,
    "disk_label_type":          string,
    "disk_identifier":          string,
    "disk_model":               string,
    "partitions": [
      {
        "device":               string,
        "boot":                 boolean,
        "start":                integer,
        "end":                  integer,
        "size":                 string,    # [0]
        "cyls":                 integer,
        "mib":                  integer,
        "blocks":               integer,
        "sectors":              integer,
        "id":                   string,
        "system":               string,
        "type":                 string
      }
    ]
  }
]

[0] will be integer when using deprecated -d sfdisk option

Examples:

# sfdisk -l | jc --sfdisk -p
[
  {
    "disk": "/dev/sda",
    "cylinders": 2610,
    "heads": 255,
    "sectors_per_track": 63,
    "units": "cylinders of 8225280 bytes, blocks of 1024 bytes, ...",
    "partitions": [
      {
        "device": "/dev/sda1",
        "boot": true,
        "start": 0,
        "end": 130,
        "cyls": 131,
        "blocks": 1048576,
        "id": "83",
        "system": "Linux"
      },
      {
        "device": "/dev/sda2",
        "boot": false,
        "start": 130,
        "end": 2610,
        "cyls": 2481,
        "blocks": 19921920,
        "id": "8e",
        "system": "Linux LVM"
      },
      {
        "device": "/dev/sda3",
        "boot": false,
        "start": 0,
        "end": null,
        "cyls": 0,
        "blocks": 0,
        "id": "0",
        "system": "Empty"
      },
      {
        "device": "/dev/sda4",
        "boot": false,
        "start": 0,
        "end": null,
        "cyls": 0,
        "blocks": 0,
        "id": "0",
        "system": "Empty"
      }
    ]
  },
  {
    "disk": "/dev/mapper/centos-root",
    "cylinders": 2218,
    "heads": 255,
    "sectors_per_track": 63
  },
  {
    "disk": "/dev/mapper/centos-swap",
    "cylinders": 261,
    "heads": 255,
    "sectors_per_track": 63
  }
]

# sfdisk -l | jc --sfdisk -p -r
[
  {
    "disk": "/dev/sda",
    "cylinders": "2610",
    "heads": "255",
    "sectors_per_track": "63",
    "units": "cylinders of 8225280 bytes, blocks of 1024 bytes, co...",
    "partitions": [
      {
        "device": "/dev/sda1",
        "boot": "*",
        "start": "0+",
        "end": "130-",
        "cyls": "131-",
        "blocks": "1048576",
        "id": "83",
        "system": "Linux"
      },
      {
        "device": "/dev/sda2",
        "boot": null,
        "start": "130+",
        "end": "2610-",
        "cyls": "2481-",
        "blocks": "19921920",
        "id": "8e",
        "system": "Linux LVM"
      },
      {
        "device": "/dev/sda3",
        "boot": null,
        "start": "0",
        "end": "-",
        "cyls": "0",
        "blocks": "0",
        "id": "0",
        "system": "Empty"
      },
      {
        "device": "/dev/sda4",
        "boot": null,
        "start": "0",
        "end": "-",
        "cyls": "0",
        "blocks": "0",
        "id": "0",
        "system": "Empty"
      }
    ]
  },
  {
    "disk": "/dev/mapper/centos-root",
    "cylinders": "2218",
    "heads": "255",
    "sectors_per_track": "63"
  },
  {
    "disk": "/dev/mapper/centos-swap",
    "cylinders": "261",
    "heads": "255",
    "sectors_per_track": "63"
  }
]

parse

def parse(data, raw=False, quiet=False)

Main text parsing function

Parameters:

data:        (string)  text data to parse
raw:         (boolean) unprocessed output if True
quiet:       (boolean) suppress warning messages if True

Returns:

List of Dictionaries. Raw or processed structured data.

Parser Information

Compatibility: linux

Source: jc/parsers/sfdisk.py

Version 1.3 by Kelly Brazil (kellyjonbrazil@gmail.com)