automated backups (and backups garbage collection)

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just FYI:

in HEAD i added a useful debugging feature to the hosting-task command, in that you can now specify it in the following format :

drush @hostmaster hosting-task @site.com backup

Where site.com is the alias for the site and backup is the task you want to use.
This will actually run the task in the hosting site and also add the resultant entry to the backups table.

You could also do :

drush @hostmaster hosting-task @platform_DRUPAL616 verify

or any other task that doesnt need arguments (migrate and restore , off the top of my head).

so i think the backups should be a separate queue

but i'm trying to determine where to plug in the deleting of old backups, and whether we should be passing the list of backups to delete to the provision task, or just giving it a time and telling it to delete all pre a certain timestamp, and report back about what it removed so we can trim the table.

i think the latter suits our design better.

We should do this for 0.4 if possible.

i added this in the dev-purgebackup branch.

when the --delete_backups_older_than flag is specified for the provision-backup command, provision matches files that are older than the specified time offset, and unlinks them.

it then returns a list of files it removed, and hosting then deletes the backup table entries for eahc of the files.

it's not configurable in the tree right now, as it's hard coded to delete backups older than 1 week.

this is sort of working in git.

under the dev-purgebackup branch

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Hmm...deleting old backups after a certain threshold is a bit heavy handed. What if I want to keep around montly backups for the last year?

This would also be helpful for #974572: site node garbage collection

As there doesn't seem to be much movement in this, I might just implement a simple backup queue as a contrib module. Seems like it would be useful to lots of people, myself included.

A very simple automated backups module is now available here:

http://drupal.org/project/hosting_backup_queue

I've implemented the backup garbage collection here:
http://drupal.org/project/hosting_backup_gc

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Tagging

Now that we have these add-on modules, I don't think we need this in Aegir core.