Re: [Duplicity-talk] Backup fails only from cron

[Adam Huffman]

On Fri, Jul 30, 2010 at 3:30 PM,  <address@hidden> wrote:
> On 30.07.2010 14:09, Adam Huffman wrote:
>>
>> On Fri, Jul 30, 2010 at 12:23 PM, Kenneth Loafman<address@hidden>
>>  wrote:
>>>
>>> Hi,
>>>
>>> cron runs as root, so I'm guessing that your SSH key is under your user,
>>> not root.
>>>
>>> The way I handle it is to use a ~/.ssh/config file with contents like:
>>> # cat .ssh/config
>>> IdentityFile /home/ken/.ssh/id_rsa
>>> IdentityFile /home/ken/.ssh/id_dsa
>>>
>>
>> Thanks for the very prompt replies.  As usually happens, stating the
>> problem on a mailing list led to the solution.  Even though it wasn't
>> exactly what you suggested, you both pointed me in the right
>> direction, so thanks.  It's working now.
>
> so what was it then? .. please enlighten us all ;) .. ede/duply.net
>


To my shame, it was a typo in the SSH option referring to the key file.


Adam

>>
>> Adam
>>
>>> ...Ken
>>>
>>> address@hidden wrote:
>>>>
>>>> How are you telling ssh the password for your key (when run by cron)?
>>>>
>>>> ..ede/duply.net
>>>>
>>>>
>>>> On 30.07.2010 13:08, Adam Huffman wrote:
>>>>>
>>>>> I'm trying to setup automated backups via cron on a Fedora 13 system,
>>>>> connecting to a Centos 5.5 server.
>>>>>
>>>>> When I run the simple script interactively, it works fine, using an
>>>>> SSH key to connect to the server.
>>>>>
>>>>> When I schedule the script via cron it fails with the "Invalid SSH
>>>>> password" error.
>>>>>
>>>>> Here's the traceback:
>>>>>
>>>>>
>>>>> Backend error detail: Traceback (most recent call last):
>>>>>    File "/usr/bin/duplicity", line 1239, in<module>
>>>>>      with_tempdir(main)
>>>>>    File "/usr/bin/duplicity", line 1232, in with_tempdir
>>>>>      fn()
>>>>>    File "/usr/bin/duplicity", line 1133, in main
>>>>>      sync_archive()
>>>>>    File "/usr/bin/duplicity", line 910, in sync_archive
>>>>>      remlist = globals.backend.list()
>>>>>    File
>>>>> "/usr/lib64/python2.6/site-packages/duplicity/backends/sshbackend.py",
>>>>> line 270, in list
>>>>>      l = self.run_sftp_command(commandline, commands).split('\n')[1:]
>>>>>    File
>>>>> "/usr/lib64/python2.6/site-packages/duplicity/backends/sshbackend.py",
>>>>> line 197, in run_sftp_command
>>>>>      raise BackendException("Error running '%s'" % commandline)
>>>>>
>>>>> I've seen similar errors reported and there's
>>>>> https://bugs.launchpad.net/duplicity/+bug/411145, though there's no
>>>>> sign of a "Couldn't get handle" error in my case.
>>>>>
>>>>> The problem occurs both with the current Fedora package 0.6.08b and
>>>>> with a local build of the latest version 0.6.09.
>>>>>
>>>>> Here's the redacted script:
>>>>>
>>>>>
>>>>> #!/bin/sh
>>>>> # Script to backup $HOME
>>>>>
>>>>> export PASSPHRASE="<passphrase>"
>>>>>
>>>>> duplicity -v 9 --ssh-options="-oIdentityFile=/home/linda/.ssh/id_dsa"
>>>>> /home/linda scp://linda@<remote server>//home2/linda
>>>>>
>>>>>
>>>>> Adam
>>>>>
>>>>> _______________________________________________
>>>>> Duplicity-talk mailing list
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>>>>> http://lists.nongnu.org/mailman/listinfo/duplicity-talk
>>>>
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