Thanks Michael. Yes I am using datamapper. And thanks for confirming that it makes sense to add an automigrate task to capistrano.
On Dec 31, 9:05 am, "Michael D'Auria" <[email protected]> wrote: > Just to be clear, you are using datamapper which does not require the > use of migrations, but you can include a dependency to 'dm-migrations' > and create the migrations yourself. > > Also, I am pretty sure you can create a custom remote_task in > capistrano that could do the auto migration for you. > > Michael > > On 12/31/08, MarkMT <[email protected]> wrote: > > > > > Thanks gents... returning to this after a couple of days traveling... > > It looks like differences in versions between bundled and production > > system gems were indeed the cause of my problem. I remain a little > > unclear though about exactly what the respective roles of bundled and > > system gems are in the deployment platform. > > > I had a few other obstacles to get over before before I was able to > > declare success. In case anyone else should trip up on these... > > > - I was missing the launchy and do_mysql gems on my production > > platform. I have no idea what launchy does, but discovered I needed it > > by running merb with the --verbose option (found some advice here: > >http://sandbox.manning.com/thread.jspa?threadID=27760&tstart=0). > > - I had an additional problem installing do_mysql because I didn't > > have the libmysqlclient15-dev library on my slicehost production > > machine (ubuntu hardy), and initially the package manager had trouble > > finding it in the repository. It turned out that I had to update my > > platform ('sudo aptitude update' and 'sudo aptitude upgrade') before I > > was able to run 'sudo aptitude install libmysqlclient15-dev'. I was > > then able to run 'sudo gem install do_mysql'. > > - I had to run "rake MERB_ENV='production' db:automigrate" manually > > on the production machine. Maybe it's obvious that this has to be > > done, but afaik it isn't mentioned in anything I've read about > > deployment. Seems (to my perhaps naive mind) like the kind of thing > > that could be handled by Capistrano. 'cap deploy:cold" does do a > > migrate, but if I understand correctly that only handles explicit > > migrations, a la Rails, and so won't do anything to create db tables > > for your merb models. > > - I'm not absolutely certain that the following was necessary... it's > > conceivably an artifact of the db connection problem I had before > > automigrating, but I also had to add "host: 'localhost'" to the > > production database definition in database.yml. > > > Mark. > > > On Dec 30, 12:29 pm, tonyc <[email protected]> wrote: > >> On Dec 26, 7:04 pm, Roy Wright <[email protected]> wrote: > > >> > On Dec 26, 2008, at 6:30 PM, MarkMT wrote: > > >> > > /usr/local/lib/site_ruby/1.8/rubygems.rb:149:in `activate': can't > >> > > activate data_objects (= 0.9.9, runtime), already activated > >> > > data_objects-0.9.10 (Gem::Exception) > > >> > I've seen something similar where the system gems were updated > >> > to a later version than in the merb apps dependencies. I think the > >> > solution is to run "thor merb:gem:install" to cache the versions as > >> > specified in dependency.rb. > > >> Yep, this is what it sounds like. You could probably just bump the > >> version of data_objects up in your dependencies.rb file, and it seems > >> like it should work. > > >> Incidentally, I've just done a little writeup on deploying a bundled > >> Merb app on Passenger to an Ubuntu box (mine are on slicehost, too): > > >> http://weblog.halogenlabs.com/articles/the-super-easy-guide-to-deploy... > > >> There are some capistrano tasks that will handle the rebundling before > >> a restart of your app server, too... feedback on the article is > >> welcome! > > >> - Tony > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "merb" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/merb?hl=en -~----------~----~----~----~------~----~------~--~---
