#{fetch(:full_app_name)} isn't working when creating symlinks in deploy.rb about capistrano-3-rails-template

[TalkingQuickly]

Could you post your deploy.rb and production.rb files?
On 1 Jul 2014 05:05, "jljohnstone" [email protected] wrote:

When I run cap production deploy:setup_config and watch the debug
messages, none of the symlinks are being created properly as the value for
:full_app_name is omitted. For example, the debug message for the
unicorn_init.sh symlink is:

Running /usr/bin/env sudo ln -nfs
/home/deploy/apps/myapp_production/shared/config/unicorn_init.sh
/etc/init.d/unicorn_ on www.mydomain.com

Rather than the expected:

Running /usr/bin/env sudo ln -nfs
/home/deploy/apps/myapp_production/shared/config/unicorn_init.sh
/etc/init.d/unicorn_myapp_production on www.mydomain.com

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#19.

[jljohnstone]

Here's my deploy.rb and production.rb.

[TalkingQuickly]

Hey, problem is that at the point where you've got:

link: "/etc/nginx/sites-enabled/#{fetch(:full_app_name)}"

full_app_name hasn't yet been defined because it's defined in the stage file not in deploy.rb. If you look at the example one below:

https://github.com/TalkingQuickly/capistrano-3-rails-template/blob/master/config/deploy.rb

it uses the format link: "/etc/init.d/unicorn_{{full_app_name}}" which uses {{var}} to interpolate the values once the stage file has been loaded. Checkout https://github.com/TalkingQuickly/capistrano-3-rails-template/blob/master/lib/capistrano/substitute_strings.rb for the logic for this which is used by https://github.com/TalkingQuickly/capistrano-3-rails-template/blob/master/lib/capistrano/tasks/setup_config.cap

Cheers,

Ben

[jljohnstone]

Thanks Ben. I'm sure this will get me back on track.

Does this mean the code on pages 108 and 115 of your "Reliably Deploying Rails Applications" book is slightly off?

[TalkingQuickly]

Hey @jljohnstone you're totally right, somehow that code excerpt has got out of sync with the file its based on, really appreciate you pointing that out, will get it fixed today or tomorrow and a new version of the book released! Cheers, Ben.

[jljohnstone]

No problem, Ben. Thanks for your help.

[adimasuhid]

Hi Ben,

Just to add, this blog post needs to be updated as well. http://www.talkingquickly.co.uk/2014/01/deploying-rails-apps-to-a-vps-with-capistrano-v3/

Cheers!

[TalkingQuickly]

Many thanks, I'll get that updated!

Ben Dixon

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On 17 July 2014 09:36, Ace Dimasuhid [email protected] wrote:

Hi Ben,

Just to add, this blog post needs to be updated as well.
http://www.talkingquickly.co.uk/2014/01/deploying-rails-apps-to-a-vps-with-capistrano-v3/

Cheers!

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