Question

I’m having trouble setting up a new server using Moonshine and Capistrano. It seems to get started pretty well, installs a bunch of Ubuntu packages, compiles REE, installs some gems, but then it fails to upload a file via SFTP with this output:

  * executing `moonshine:setup_directories'
  * executing "mkdir /tmp/moonshine"
    servers: ["myserver.tld"]
    [myserver.tld] executing command
    command finished
    servers: ["myserver.tld"]
 ** sftp upload /Users/arussell/Sites/mysite/config/moonshine/production.yml -> /tmp/moonshine/production.yml
/Users/arussell/.rvm/gems/ree-1.8.7-2011.03/gems/capistrano-2.5.19/lib/capistrano/transfer.rb:196:in `normalize': undefined method `pos' for #<Pathname:0x10f3a6988> (NoMethodError)
    from /Users/arussell/.rvm/gems/ree-1.8.7-2011.03/gems/capistrano-2.5.19/lib/capistrano/transfer.rb:104:in `prepare_transfers'

Googling that error isn’t really turning much up, all I can figure out is that capistrano/transfer.rb is expecting something other than a PathName object on line 196, but I’m not sure what it’s expecting, nor am I sure why it’s being fed a PathName object.

---

Edit: Here is my deploy.rb:

set :stages, %w(staging production dev)
set :default_stage, "staging"
require 'capistrano/ext/multistage' rescue "YOU NEED TO INSTALL THE capistrano-ext GEM"
require 'fileutils'

if ENV['branch']
  set :branch, ENV['branch']
end

set :deploy_via, :remote_cache

before "deploy:restart", "deploy:delete_cache"

namespace(:deploy) do
  desc "delete cache"
  task :delete_cache do
    run "rm -rf /usr/local/shared/cache/"
  end
  task :null, :roles => :app do
    run "date"
  end
end
require './config/boot'

… and my deploy/production.rb:

server "myserver.tld", :app, :web, :db, :primary => true

set :rails_env, 'production'

---

Edit 2: I tried using SCP instead of SFTP, but that didn’t go any better. I added this to my deploy/production.rb:

upload "local", "remote", :via => :scp
download "remote", "local", :via => :scp

and got this error instead while trying to deploy:

upload via scp failed on myserver.tld: SCP did not finish successfully () (SCP did not finish successfully ())

Answer 1

Turns out that this was due to Moonshine not being able to handle the presence of deploy-stage-specific files (eg config/moonshine/production.yml) during cap production deploy:setup.

Here’s how I got around it:

• Remove config/moonshine/production.yml (replace production with whatever your deploy stage is called)
• Run cap production deploy:setup
• Put config/moonshine/production.yml back
• Then run cap production deploy