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

[Adam Huffman]

On Fri, Jul 30, 2010 at 12:11 PM,  <address@hidden> wrote:
> How are you telling ssh the password for your key (when run by cron)?
>
> ..ede/duply.net
>

There's no password on the key, deliberately to get around this
problem - it's limited to a single IP on the remote server.

>
> 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
>>
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