dmsetup commands - Command dmsetup
Parsers for parsing and extracting data from output of commands related to
dmsetup
.
Parsers contained in this module are:
DmsetupInfo - command dmsetup info -C
DmsetupStatus - command dmsetup status
- class insights.parsers.dmsetup.DmsetupInfo(context, extra_bad_lines=None)[source]
Bases:
CommandParser
dmsetup info -C
command outputExample input:
Name Maj Min Stat Open Targ Event UUID VG00-tmp 253 8 L--w 1 1 0 LVM-gy9uAwD7LuTIApplr2sogbOx5iS0FTax6lLmBji2ueSbX49gxcV76M29cmukQiw4 VG00-home 253 3 L--w 1 1 0 LVM-gy9uAwD7LuTIApplr2sogbOx5iS0FTaxCqXOnbGe2zjhX923dFiIdl1oi7mO9tXp VG00-var 253 6 L--w 1 2 0 LVM-gy9uAwD7LuTIApplr2sogbOx5iS0FTaxicvyvt67113nTb8vMlGfgdEjDx0LKT2O VG00-swap 253 1 L--w 2 1 0 LVM-gy9uAwD7LuTIApplr2sogbOx5iS0FTax3Ll2XhOYZkylx1CjOQi7G4yHgrIOsyqG VG00-root 253 0 L--w 1 1 0 LVM-gy9uAwD7LuTIApplr2sogbOx5iS0FTaxKpnAKYhrYMYMNMwjegkW965bUgtJFTRY VG00-var_log_audit 253 5 L--w 1 1 0 LVM-gy9uAwD7LuTIApplr2sogbOx5iS0FTaxwQ8R0XWJRm86QX3befq1cHRy47Von6ZW
Example data structure produced:
data = [ { 'Stat': 'L--w', 'Name': 'VG00-tmp', 'Min': '8', 'Targ': '1', 'Maj': '253', 'Open': '1', 'Event': '0', 'UUID': 'LVM-gy9uAwD7LuTIApplr2sogbOx5iS0FTax6lLmBji2ueSbX49gxcV76M29cmukQiw4' },... ]
- data
List of devices found, in order
- Type:
list
- names
Device names, in order found
- Type:
list
- uuids
UUID
- Type:
list
- by_name
Access to each device by devicename
- Type:
dict
- by_uuid
Access to each device by uuid
- Type:
dict
- info
List of devices found, in order using SetupInfo structure
- Type:
list
Example
>>> len(setup_info) 6 >>> setup_info.names[0] 'VG00-tmp' >>> setup_info[1]['Maj'] '253' >>> setup_info[1]['Stat'] 'L--w' >>> setup_info.info[-1].name 'VG00-var_log_audit' >>> setup_info.info[-1].major 253 >>> setup_info.info[-1].live_table True >>> setup_info.info[-1].readonly False
- class insights.parsers.dmsetup.DmsetupStatus(context, extra_bad_lines=None)[source]
Bases:
CommandParser
,list
dmsetup status -C
command outputExample input:
rootvg-tanlv: 0 6291456 linear rootvg-ssnap: 0 16384000 snapshot 1560768/5120000 6088 rootvg-optvolapp: 0 8192000 snapshot-origin docker-253:10-1234567-0df13579: 0 20971520 thin 1922048 20971519 docker-253:10-4254621-0496628a: 0 20971520 thin 1951744 20971519 docker-253:10-4254621-d392682f: 0 20971520 thin 7106560 20971519 rootvg-docker--pool: 0 129548288 thin-pool 1 20/49152 38/126512 - rw no_discard_passdown queue_if_no_space - rootvg-tmpvol: 0 2048000 linear rootvg-varvol: 0 18874368 snapshot Invalid rootvg-optvol: 0 8192000 snapshot 616408/5120000 2408 rootvg-varvol-cow: 0 5120000 linear appsvg-lvapps_docker: 0 104857600 thin-pool 441 697/2048 20663/102400 - rw no_discard_passdown queue_if_no_space -
Example data structure produced:
[ SetupStatus( device_name='rootvg-tanlv', start_sector='0', num_sectors='6291456', target_type='linear', target_args=None, parsed_args=None, ), ... ]
- names
Device names, in order found
- Type:
list
- by_name
Access to each device by devicename
- Type:
dict
- unparseable_lines
Unparseable raw lines
- Type:
list
Example
>>> len(dmsetup_status) 12 >>> dmsetup_status.names[0] 'rootvg-tanlv' >>> dmsetup_status[1].target_type 'snapshot' >>> dmsetup_status[1].start_sector '0' >>> len(dmsetup_status.by_name) 12 >>> dmsetup_status[-1].parsed_args['used_metadata_blocks'] '697' >>> dmsetup_status[-1].parsed_args['total_metadata_blocks'] '2048' >>> dmsetup_status[-1].parsed_args['opts'] ['rw', 'no_discard_passdown', 'queue_if_no_space', '-']
- class insights.parsers.dmsetup.SetupInfo(name, major, minor, open, segments, events, live_table, inactive_table, suspended, readonly, uuid)
Bases:
tuple
Data structure to represent dmsetup information
- events
- inactive_table
- live_table
- major
- minor
- name
- open
- readonly
- segments
- suspended
- uuid