specify noatime in fstab

[tcurdt]

This is what I want

/dev/sda1       /boot          ext2   defaults,noatime                 0 2
/dev/sda2       /              btrfs  subvol=@rootfs,defaults,noatime  0 1
/dev/sda3       /var/lib       ext4   defaults,noatime                 0 2

and while this seems to work

PART /boot     ext2    1024M
PART btrfs.1   btrfs   30G
PART /var/lib  ext4    all

SUBVOL btrfs.1  @           /
SUBVOL btrfs.1  @snapshots  /snapshots

I don't see a way to configure the fstab to use noatime.

[tcurdt]

This seems related #85

[asciiprod]

Specifying additional mount options is not available. This is not related, but similar to #85 which wants to a 6th parameter to pass options to mdadm.
Since installimage is use is an internal tool for standard OS installations as part of dedicated root server deliveries, it will never be able to cover all options as everyone has a different needs.
If you need these options, the best place would be to create a post-install script to add them to fstab.

[tcurdt]

installimage is use is an internal tool for standard OS installations

By releasing and documenting for you customers it it's hardly an internal tool anymore.

it will never be able to cover all options as everyone has a different needs

That feels a bit like an exaggeration. The fstab is not that complex.