Hello,
I am migrating a Capistrano 1.4.1 application to 2.5.0. Towards that,
I want to follow the best practices for Capistrano 2 deployment. I
have the following callback tasks in my Capistrano 1.4.1 deploy.rb
amongst others:
desc "Execute something with sudo so that it doesn't get stuck waiting
for a password later"
task :before_update_code do
sudo "date"
end
task :after_update_code do
link_public_dirs
package_assets
end
desc "Link up any public directories."
task :link_public_dirs, :roles => [:app] do
run "test -d #{release_path}/tmp || mkdir -p #{release_path}/tmp"
if app_symlink_dirs || app_upload_dir
(app_upload_dir.to_a + (app_symlink_dirs || [])) .each do |link|
target_in_shared = "#{shared_path}/#{link.split("/").last}"
run "rm -f #{release_path}/#{link}"
run "ln -nfs #{target_in_shared} #{release_path}/#{link}"
end
end
end
desc "Minify and merge assets"
task :package_assets, :roles => :web do
run <<-EOF
cd #{release_path} &&
rake RAILS_ENV=#{rails_env} asset:packager:build_all
EOF
end
As you can see, none of them belong to a namespace, a concept that was
introduced in Capistrano 2.x. My question is: how should I rename/
package these tasks under a namespace to confirm to Capistrano 2 best
practices. Another follow up question is: is it necessary to do so?
The reason I ask the follow up question is that Obie Fernandez in his
excellent Rails Way text shows that you don't have to put the
callbacks (:before_update_code, :after_update_code) in a namespace --
see pages 693 and 694. But what about the link_public_dirs and
package_assets tasks which are being called from :after_update_code
callback, should they not be packaged under a namespace? If yes then
can someone show a snippet please?
Another confusion that I have is that when to use
task :after_update_code do
end
callback or when to say
after "deploy:update", :link_public_dirs
Are they the same? If yes then what should I do to call multiple
tasks such as:
task :after_update_code do
link_public_dirs
package_assets
end
What is the equivalent syntax in
after "deploy:update", task1, task2 ???
Or are we talking about two different things here?
A lot of questions, but I thought I will ask more experienced people
here.
Thanks in advance for your time.
Bharat
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