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Keep track of backups with custom directory using symlinks

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This commit is contained in:
Alexandre Aubin 2016-11-30 00:04:17 -05:00
parent 8bf8534a9a
commit 6171fbdb03
2 changed files with 26 additions and 2 deletions
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1
locales/en.json
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@ -43,6 +43,7 @@
"backup_action_required": "You must specify something to save",
"backup_app_failed": "Unable to back up the app '{app:s}'",
"backup_archive_app_not_found": "App '{app:s}' not found in the backup archive",
"backup_archive_broken_link": "Unable to access backup archive (broken link to {path:s})",
"backup_archive_hook_not_exec": "Hook '{hook:s}' not executed in this backup",
"backup_archive_name_exists": "The backup's archive name already exists",
"backup_archive_name_unknown": "Unknown local backup archive named '{name:s}'",

27
src/yunohost/backup.py
View file

@ -290,7 +290,7 @@ def backup_create(name=None, description=None, output_directory=None,
raise MoulinetteError(errno.EIO,
m18n.n('backup_archive_open_failed'))
# Add files to the arvhice
# Add files to the archive
try:
tar.add(tmp_dir, arcname='')
tar.close()
@ -300,10 +300,22 @@ def backup_create(name=None, description=None, output_directory=None,
raise MoulinetteError(errno.EIO,
m18n.n('backup_creation_failed'))
# FIXME : it looks weird that the "move info file" is not enabled if
# user activated "no_compress" ... or does it really means
# "dont_keep_track_of_this_backup_in_history" ?
# Move info file
shutil.move(tmp_dir + '/info.json',
'{:s}/{:s}.info.json'.format(archives_path, name))
# If backuped to a non-default location, keep a symlink of the archive
# to that location
if output_directory != archives_path:
link = "%s/%s.tar.gz" % (archives_path, name)
os.symlink(archive_file, link)
# Clean temporary directory
if tmp_dir != output_directory:
_clean_tmp_dir()
@ -604,10 +616,21 @@ def backup_info(name, with_details=False, human_readable=False):
"""
archive_file = '%s/%s.tar.gz' % (archives_path, name)
if not os.path.isfile(archive_file):
# Check file exist (even if it's a broken symlink)
if not os.path.lexists(archive_file):
raise MoulinetteError(errno.EIO,
m18n.n('backup_archive_name_unknown', name=name))
# If symlink, retrieve the real path
if os.path.islink(archive_file) :
archive_file = os.path.realpath(archive_file)
# Raise exception if link is broken (e.g. on unmounted external storage)
if (not os.path.exists(archive_file)) :
raise MoulinetteError(errno.EIO,
m18n.n('backup_archive_broken_link', path=archive_file))
info_file = "%s/%s.info.json" % (archives_path, name)
try:
with open(info_file) as f: