borgbackup/borg

xattr and ACL support for Solaris 11 and OpenIndiana

Open

#1,337 opened on Jul 14, 2016

View on GitHub
 (0 comments) (2 reactions) (0 assignees)Python (732 forks)batch import
enhancementfilesystemhelp wantedos: other

Repository metrics

Stars
 (10,086 stars)
PR merge metrics
 (Avg merge 5d 12h) (91 merged PRs in 30d)

Description

xattrs: Solaris 11 and OpenIndiana have the same API (O_XATTR):

Note that xattr/fsattr in sunos5 is far more powerful than on the other platforms. On sunos5 they are essentially file system namespace attached to every file. You can put any file type in there (e.g. sockets, block devices, link) and have arbitrarily complex directory structures. So it may make sense to map these into normal items (NUL as separator? - other platforms would not extract) and traverse them. Or, we could flatten them and only regard regular files (i.e. key-value pairs).

ACLs: APIs are also similar to each other (and our already implemented APIs)

Contributor guide

Research direction
Investigate the xattr and ACL APIs on Solaris 11 and OpenIndiana (O XATTR, fsattr, acl). Study the existing xattr and ACL implementation in Borg. Design a mapping strategy for xattr namespace (flattening vs. using separators) and implement ACL reading/writing using the facl API. Test on Solaris/OpenIndiana systems.
Tech stack
python
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
PythonGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30