[pve-devel] [PATCH common/container 0/2] inherit attributes from preexisting directory during mountpoint setup

[Filip Schauer <f.schauer@proxmox.com>]

Make mount points inherit the uid, gid, and access mode if the directory
already exists in the container file system. This makes setting up mount
points more convenient when attributes different from uid=0, gid=0,
mode=755 are required.

As an example, this ensures that directories like /app/data and
/app/cache in the docker.io/weblate/weblate OCI image retain the correct
permissions when adding mount points over them.

While not explicitly specified by the OCI spec, this matches the
behaviour of implementations such as Docker and Podman.

Also add the fchmodat syscall, which is required to set the access mode
of a file descriptor that was obtained with open_tree.

pve-common:

Filip Schauer (1):
  tools: add fchmodat syscall

 src/PVE/Syscall.pm |  1 +
 src/PVE/Tools.pm   | 11 +++++++++++
 2 files changed, 12 insertions(+)


pve-container:

Filip Schauer (1):
  mountpoint_insert_staged: inherit attributes if directory already
    exists

 src/PVE/LXC.pm | 7 +++++++
 1 file changed, 7 insertions(+)


Summary over all repositories:
  3 files changed, 19 insertions(+), 0 deletions(-)

-- 
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