Public bug reported:
The kernel changed the name of overlayfs to overlay (see
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ef94b1864d1ed5be54376404bb23d22ed0481feb
) and added the workdir option to the mount options.
The overlay union-type should be added to the allowed list, the 10mount
script should be updated to add the workdir option for the overlay
union-type, with I suppose a variable CHROOT_UNION_WORKDIR_DIRECTORY and
the corresponding schroot configuration option.
Additional info:
Error when running schroot:
schroot --option=union-type=overlay
E: /etc/schroot/chroot.d/click-ubuntu-sdk-15.04-armhf: line 12
[click-ubuntu-sdk-15.04-armhf] union-type: Unknown filesystem union type
‘overlay’
Functions with the check:
lib/schroot/chroot/facet/fsunion.cc-143- void
lib/schroot/chroot/facet/fsunion.cc-144- fsunion::set_union_type (const
std::string& type)
lib/schroot/chroot/facet/fsunion.cc-145- {
lib/schroot/chroot/facet/fsunion.cc-146- if (type == "aufs" ||
lib/schroot/chroot/facet/fsunion.cc:147: type == "overlayfs" ||
lib/schroot/chroot/facet/fsunion.cc-148- type == "unionfs" ||
lib/schroot/chroot/facet/fsunion.cc-149- type == "none")
lib/schroot/chroot/facet/fsunion.cc-150- this->union_type = type;
lib/schroot/chroot/facet/fsunion.cc-151- else
lib/schroot/chroot/facet/fsunion.cc-152- throw error(type,
FSUNION_TYPE_UNKNOWN);
In the 10mount script:
overlayfs)
CHROOT_UNION_MOUNT_OPTIONS="lowerdir=${CHROOT_UNION_UNDERLAY_DIRECTORY},upperdir=${CHROOT_UNION_OVERLAY_DIRECTORY}"
Steps to reproduce:
Try to run a schroot with option union-type=overlay:
schroot --option=union-type=overlay
I found this issue on Archlinux, and I guess it will eventually apply to
Ubuntu when the kernel is updated.
** Affects: schroot (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1478684
Title:
'overlay' union-type is not supported
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