desktop-packages team mailing list archive

[Zhongfu Li <me@xxxxxx>]

Public bug reported:

When duplicity is used to back up to Google Drive with the gdocs:// URL
scheme and --asynchronous-upload, duplicity reports that the backups
were uploaded correctly even with the internet connection disconnected.

The gdocs backend should instead report back, telling duplicity that the
upload has failed and stopping the backup as this can lead to incomplete
backup chains when the internet connection is later reconnected.


root@polaris:~# lsb_release -rd
Description:    Ubuntu 15.04
Release:        15.04

root@polaris:~# apt-cache policy duplicity
duplicity:
  Installed: 0.7.01-1ubuntu1
  Candidate: 0.7.01-1ubuntu1
  Version table:
 *** 0.7.01-1ubuntu1 0
        500 http://ftp.iinet.net.au/pub/ubuntu/ vivid/main amd64 Packages
        100 /var/lib/dpkg/status

root@polaris:~# duply dir backup
================================================================================
duplicity 0.7.01 (January 11, 2015)
Args: /usr/bin/duplicity --archive-dir /tmp/.duply/cache --name duply_dir --encrypt-key 01234567 --sign-key 01234567 --verbosity 5 --exclude-if-present .duplicity-ignore --full-if-older-than 1M --volsize 100 --archive-dir /tmp/.duply/cache --allow-source-mismatch --asynchronous-upload --force --exclude-globbing-filelist /root/.duply/dir/exclude /dir gdocs://user@xxxxxxxxx/backup
Linux polaris 4.0.0-040000-generic #201504121935 SMP Sun Apr 12 23:36:33 UTC 2015 x86_64 x86_64
/usr/bin/python 2.7.9 (default, Apr  2 2015, 15:33:21)
[GCC 4.9.2]
================================================================================
...
A dir/file_1
A dir/file_2
AsyncScheduler: scheduling task for asynchronous execution
Writing duplicity-full.20150525T120004Z.vol1360.difftar.gpg
Attempt 2 failed. gaierror: [Errno -2] Name or service not known
Writing duplicity-full.20150525T120004Z.vol1360.difftar.gpg
Attempt 3 failed. gaierror: [Errno -2] Name or service not known
Writing duplicity-full.20150525T120004Z.vol1360.difftar.gpg
Attempt 4 failed. gaierror: [Errno -2] Name or service not known
Writing duplicity-full.20150525T120004Z.vol1360.difftar.gpg
Processed volume 1361
Writing duplicity-full.20150525T120004Z.vol1361.difftar.gpg
Attempt 1 failed. gaierror: [Errno -2] Name or service not known
A dir/file_3
A dir/file_4
...

** Affects: duplicity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: asynchronous-upload duplicity gdocs gdocsbackend

-- 
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Packages, which is subscribed to duplicity in Ubuntu.
https://bugs.launchpad.net/bugs/1459062

Title:
  duplicity incorrectly thinks backups are uploaded with --asynchronous-
  upload and gdocs

Status in duplicity package in Ubuntu:
  New

Bug description:
  When duplicity is used to back up to Google Drive with the gdocs://
  URL scheme and --asynchronous-upload, duplicity reports that the
  backups were uploaded correctly even with the internet connection
  disconnected.

  The gdocs backend should instead report back, telling duplicity that
  the upload has failed and stopping the backup as this can lead to
  incomplete backup chains when the internet connection is later
  reconnected.

  
  root@polaris:~# lsb_release -rd
  Description:    Ubuntu 15.04
  Release:        15.04

  root@polaris:~# apt-cache policy duplicity
  duplicity:
    Installed: 0.7.01-1ubuntu1
    Candidate: 0.7.01-1ubuntu1
    Version table:
   *** 0.7.01-1ubuntu1 0
          500 http://ftp.iinet.net.au/pub/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status

  root@polaris:~# duply dir backup
  ================================================================================
  duplicity 0.7.01 (January 11, 2015)
  Args: /usr/bin/duplicity --archive-dir /tmp/.duply/cache --name duply_dir --encrypt-key 01234567 --sign-key 01234567 --verbosity 5 --exclude-if-present .duplicity-ignore --full-if-older-than 1M --volsize 100 --archive-dir /tmp/.duply/cache --allow-source-mismatch --asynchronous-upload --force --exclude-globbing-filelist /root/.duply/dir/exclude /dir gdocs://user@xxxxxxxxx/backup
  Linux polaris 4.0.0-040000-generic #201504121935 SMP Sun Apr 12 23:36:33 UTC 2015 x86_64 x86_64
  /usr/bin/python 2.7.9 (default, Apr  2 2015, 15:33:21)
  [GCC 4.9.2]
  ================================================================================
  ...
  A dir/file_1
  A dir/file_2
  AsyncScheduler: scheduling task for asynchronous execution
  Writing duplicity-full.20150525T120004Z.vol1360.difftar.gpg
  Attempt 2 failed. gaierror: [Errno -2] Name or service not known
  Writing duplicity-full.20150525T120004Z.vol1360.difftar.gpg
  Attempt 3 failed. gaierror: [Errno -2] Name or service not known
  Writing duplicity-full.20150525T120004Z.vol1360.difftar.gpg
  Attempt 4 failed. gaierror: [Errno -2] Name or service not known
  Writing duplicity-full.20150525T120004Z.vol1360.difftar.gpg
  Processed volume 1361
  Writing duplicity-full.20150525T120004Z.vol1361.difftar.gpg
  Attempt 1 failed. gaierror: [Errno -2] Name or service not known
  A dir/file_3
  A dir/file_4
  ...

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