add uuid
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5 changed files with 158 additions and 75 deletions
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@ -530,10 +530,10 @@ These functions can fail, for example if a path does not have an extension, whic
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#### Error Reporting
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- `error(message)` - Abort execution and report error `message` to user.
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#### UUID and Hash Generation
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#### [UUID](../../linux/UUID.md) and Hash Generation
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- `sha256(string)` - Return the [SHA](../../cryptography/SHA.md)-256 hash of `string` as a hexadecimal string.
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- `sha256_file(path)` - Return the [SHA](../../cryptography/SHA.md)-256 hash of the file at `path` as a hexadecimal string.
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- `uuid()` - Return a randomly generated UUID.
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- `uuid()` - Return a randomly generated [UUID](../../linux/UUID.md).
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### Recipe Attributes
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Recipes may be annotated with attributes that change their behavior.
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@ -19,74 +19,74 @@ Usage: `lsblk [options] [device...]`
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| `-p, --paths` | Print full device paths |
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## Output Columns
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| Output | Description |
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| ------------ | ------------------------------------------------- |
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| ALIGNMENT | alignment offset |
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| ID-LINK | the shortest udev /dev/disk/by-id link name |
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| ID | udev ID (based on ID-LINK) |
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| DISC-ALN | discard alignment offset |
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| DAX | dax-capable device |
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| DISC-GRAN | discard granularity |
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| DISK-SEQ | disk sequence number |
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| DISC-MAX | discard max bytes |
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| DISC-ZERO | discard zeroes data |
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| FSAVAIL | filesystem size available |
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| FSROOTS | mounted filesystem roots |
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| FSSIZE | filesystem size |
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| FSTYPE | filesystem type |
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| FSUSED | filesystem size used |
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| FSUSE% | filesystem use percentage |
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| FSVER | filesystem version |
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| GROUP | group name |
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| HCTL | Host:Channel:Target:Lun for SCSI |
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| HOTPLUG | removable or hotplug device (usb, pcmcia, ...) |
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| KNAME | internal kernel device name |
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| LABEL | filesystem LABEL |
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| LOG-SEC | logical sector size |
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| MAJ:MIN | major:minor device number |
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| MIN-IO | minimum I/O size |
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| MODE | device node permissions |
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| MODEL | device identifier |
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| MQ | device queues |
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| NAME | device name |
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| OPT-IO | optimal I/O size |
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| OWNER | user name |
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| PARTFLAGS | partition flags |
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| PARTLABEL | partition LABEL |
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| PARTN | partition number as read from the partition table |
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| PARTTYPE | partition type code or UUID |
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| PARTTYPENAME | partition type name |
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| PARTUUID | partition UUID |
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| PATH | path to the device node |
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| PHY-SEC | physical sector size |
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| PKNAME | internal parent kernel device name |
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| PTTYPE | partition table type |
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| PTUUID | partition table identifier (usually UUID) |
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| RA | read-ahead of the device |
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| RAND | adds randomness |
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| REV | device revision |
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| RM | removable device |
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| RO | read-only device |
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| ROTA | rotational device |
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| RQ-SIZE | request queue size |
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| SCHED | I/O scheduler name |
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| SERIAL | disk serial number |
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| SIZE | size of the device |
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| START | partition start offset |
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| STATE | state of the device |
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| SUBSYSTEMS | de-duplicated chain of subsystems |
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| MOUNTPOINT | where the device is mounted |
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| MOUNTPOINTS | all locations where device is mounted |
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| TRAN | device transport type |
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| TYPE | device type |
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| UUID | filesystem UUID |
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| VENDOR | device vendor |
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| WSAME | write same max bytes |
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| WWN | unique storage identifier |
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| ZONED | zone model |
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| ZONE-SZ | zone size |
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| ZONE-WGRAN | zone write granularity |
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| ZONE-APP | zone append max bytes |
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| ZONE-NR | number of zones |
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| ZONE-OMAX | maximum number of open zones |
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| ZONE-AMAX | maximum number of active zones |
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| Output | Description |
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| ------------ | ------------------------------------------------------------------- |
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| ALIGNMENT | alignment offset |
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| ID-LINK | the shortest udev /dev/disk/by-id link name |
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| ID | udev ID (based on ID-LINK) |
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| DISC-ALN | discard alignment offset |
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| DAX | dax-capable device |
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| DISC-GRAN | discard granularity |
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| DISK-SEQ | disk sequence number |
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| DISC-MAX | discard max bytes |
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| DISC-ZERO | discard zeroes data |
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| FSAVAIL | filesystem size available |
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| FSROOTS | mounted filesystem roots |
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| FSSIZE | filesystem size |
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| FSTYPE | filesystem type |
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| FSUSED | filesystem size used |
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| FSUSE% | filesystem use percentage |
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| FSVER | filesystem version |
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| GROUP | group name |
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| HCTL | Host:Channel:Target:Lun for SCSI |
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| HOTPLUG | removable or hotplug device (usb, pcmcia, ...) |
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| KNAME | internal kernel device name |
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| LABEL | filesystem LABEL |
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| LOG-SEC | logical sector size |
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| MAJ:MIN | major:minor device number |
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| MIN-IO | minimum I/O size |
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| MODE | device node permissions |
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| MODEL | device identifier |
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| MQ | device queues |
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| NAME | device name |
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| OPT-IO | optimal I/O size |
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| OWNER | user name |
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| PARTFLAGS | partition flags |
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| PARTLABEL | partition LABEL |
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| PARTN | partition number as read from the partition table |
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| PARTTYPE | partition type code or [UUID](../../../linux/UUID.md) |
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| PARTTYPENAME | partition type name |
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| PARTUUID | partition [UUID](../../../linux/UUID.md) |
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| PATH | path to the device node |
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| PHY-SEC | physical sector size |
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| PKNAME | internal parent kernel device name |
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| PTTYPE | partition table type |
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| PTUUID | partition table identifier (usually [UUID](../../../linux/UUID.md)) |
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| RA | read-ahead of the device |
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| RAND | adds randomness |
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| REV | device revision |
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| RM | removable device |
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| RO | read-only device |
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| ROTA | rotational device |
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| RQ-SIZE | request queue size |
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| SCHED | I/O scheduler name |
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| SERIAL | disk serial number |
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| SIZE | size of the device |
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| START | partition start offset |
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| STATE | state of the device |
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| SUBSYSTEMS | de-duplicated chain of subsystems |
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| MOUNTPOINT | where the device is mounted |
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| MOUNTPOINTS | all locations where device is mounted |
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| TRAN | device transport type |
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| TYPE | device type |
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| UUID | filesystem [UUID](../../../linux/UUID.md) |
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| VENDOR | device vendor |
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| WSAME | write same max bytes |
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| WWN | unique storage identifier |
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| ZONED | zone model |
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| ZONE-SZ | zone size |
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| ZONE-WGRAN | zone write granularity |
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| ZONE-APP | zone append max bytes |
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| ZONE-NR | number of zones |
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| ZONE-OMAX | maximum number of open zones |
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| ZONE-AMAX | maximum number of active zones |
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