Public bug reported:
Lets assume I have LUKS container on the raw `/dev/sdx`. It occupies the
whole disk, so I've opened it, created partition table on corresponding
`/dev/mapper/xyz` and created 2 partitions inside.
Here is the trick: before mounting those partitions I need to run
`kpartx -u -p -part /dev/mapper/xyz` so that I can access those
partitions as `/dev/mapper/xyz-part1` and `/dev/mapper/xyz-part2`.
I'd like to make mounting automatic on boot with `/etc/crypttab` and
`/etc/fstab` only, but I need to run `kpartx` after opening LUKS
container and before mounting target partitions inside of it. This is
possible with custom scripts, but requires quite invasive configuration
which I'd like to avoid.
Currently I'm unable to find any way to declaratively specify that this
container have partition table in it.
What I imaging as a perfect solution is new options supported in
`/etc/crypttab` like following:
xyz UUID=... none luks,kpartx,kpartx-delimiter=-part
Which will result in:
* /dev/mapper/xyz
* /dev/mapper/xyz-part1
* /dev/mapper/xyz-part2
** Affects: cryptsetup (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1672106
Title:
Need a way to recognize partionion table inside of LUKS container
declaratively and automatically
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