Batch migrate sites between platforms.

Here's a very ugly first version of this patch.

it works, but needs major love.

i think the validation is off, and the user interface is not very clear.

Here is a slightly cleaned up user interface.

needs some more eyes on it before i commit

It would be awesome to have the list of passed sites in step 2 to be checkboxes as opposed to just bulk migrating all of them.. perhaps by default checking all of them along with a 'check all' box

But this is awesome. I should've tested on a sturdier VM that didn't bork at so many tasks and entered some sort of race condition :)

A site that borked on install and is in Queued status is still included in the passed sites to be migrated. See screenshot, it is 11.home.mig5.net

I thought this might not be specific to *bulk* migrate, but the site node view has checks that prevent the Migrate task from being available if the site isn't in an enabled state, so it only occurs here.

I took this for a spin and it worked well, good job.

Although I also wonder if there is a way to make this a generic bulk operations feature like the views_bulk_operations modules. That way were every you have a list of sites you could have a list of checkboxes next to them and a select box up the top to allow you to perform various tasks like migrate, disable, delete, backup on each of the selected sites?

Would mean that you could easily migrate or perform any of the tasks on just part of a platform or even sites from multiple platforms.

Updated patch attached.

General clean up, added a bunch of documentation, added a site status check so only enabled sites can be migrated, removed debugging data, added a friendly drupal_set_message on submission after step 2.

If no sites meet the dependencies for a batch migration, the form still submits but throws a foreach exception.

Attached patch throws a form_set_error instead explaining unmet dependencies (I had troubles preventing the form submission entirely if !$form_state['storage']['passed'] ) which is a cleaner stopgap

I'm not sure i want to turn this into checkboxapaloosa, because this form will need to scale to managing thousands of sites.

for this iteration the screen is displaying the site nodes, but in the future it will only display a summary of the task, with a mechanism to page through the sites that are being upgraded through ajax.

regarding paging, it's going to be VERY tricky to do in the context of the form, because every page of sites will need to remain within the form context. it can't ever navigate away from it, or it loses the data set.

I had a go at converting the sites listing into a form which can perform bulk operations - #588204: Convert site listings table into a bulk operations form which i mentioned above in #6, it only works for the tasks that don't require extra input from the users (verifiy, backup etc...).

It doesn't work for migrate tasks in its present form and is really a complete separate issue to this one as it solves a complete different set of needs, so I created a separate issue for it.

I've cleaned this up a bit.

I also found some validation errors in the new code.

right now i'm grappling with the question of whether to consider a missing package a warning when it has not been enabled on the site being upgraded.

committed.

any issues with this functionality should have new tickets created for it.

thanks for the testing.

Automatically closed -- issue fixed for 2 weeks with no activity.