Nextcloud-snap: Nextcloud installation broken after last refresh

[ersv]

Please, how do I debug the following problem? I am running a fairly important/big Nextcloud instance and googling turns up nothing:

I am on a ubuntu 18-04 server and this morning the Nextcloud installation on this server broke after an automatic refresh.

When I go to the webpage of the installation I only get:

"Downgrading is not supported and is likely to cause unpredictable issues (from 16.0.7.1 to 16.0.5.1) "

I am using the stable version:

$ snap list nextcloud
Name Version Rev Tracking Publisher Notes
nextcloud 16.0.5snap4 18019 stable nextcloud✓ -

Any help very much appreciated.

[cyberkeiler]

I just got into the same problem:

Was on beta channel by mistake, but there were issues with the nextcloud-fixer constantly starting and blocking the instance by switching in maintenance mode and back every few seconds.

If somewone can help downgrading to stable branch I would be thankfull as well ;)

[kyrofa]

Sorry everyone, I tested that nextcloud-fixer thing but when it was actually released it didn't work properly so I had to pull it out. It was only out for 30 seconds or so so you had unlucky timing, I'm sorry! Try sudo snap revert nextcloud to get on the rev before, and I'm working on a fix ASAP.

[cyberkeiler]

No problem @kyrofa - thanks anyway for your continously work.

Just to clarify:
The way to go is switching back to beta and than revert?
Or revert in the stable snap?

[kyrofa]

@cyberkeiler I need to see the output of snap list nextcloud --all in order to give you a definite answer.

[cyberkeiler]

Sure, here you go. I'm back on beta due to the downgrading issue. And this is the output of the snap list:

Name Version Rev Tracking Publisher Notes
nextcloud 16.0.5snap4 18019 beta nextcloud✓ disabled
nextcloud 16.0.5snap4+git6.275ff41 18172 beta nextcloud✓ -

Thanks!

[ersv]

Thank you for your efforts with this project.

I ran sudo snap revert nextcloud and now I only get "server in maintenance mode", perhaps I shouldn't have run the revert thing?
My output from snap list is:

$ snap list nextcloud --all
Name Version Rev Tracking Publisher Notes
nextcloud 16.0.7snap1 18184 stable nextcloud✓ -
nextcloud 16.0.5snap4 18019 stable nextcloud✓ disabled

What should I do to get back on track?

[kyrofa]

This will get you back on track:

$ sudo snap refresh nextcloud --channel=beta/pr-1215

I can't quite explain why that ran differently in production than on my dev machine, but I developed and tested that ^ specifically against my production instance and can confirm that it works.

[kyrofa]

As soon as I get that in a stable release (a few hours) I'll let you know here and you can safely refresh back to stable.

[kyrofa]

server in maintenance mode

That's probably leftovers from the bad update, you should be able to safely disable maintenance mode:

$ sudo nextcloud.occ maintenance:mode --off

[kyrofa]

I'll land that feature as soon as one or both of you can confirm that it works for you as well.

[cyberkeiler]

Yes, it is working again! Thanks a lot @kyrofa

[kyrofa]

Alright 16.0.7snap2 is in the stable channel and ready for you to switch:

$ sudo snap refresh --stable nextcloud

If you're already on the stable channel, you can just run sudo snap refresh or do nothing at all.

[ersv]

It's working nicely again, thank you kyrofa!