* For Capistrano Deployment Email Notification * It is a Capistrano Plugin / Ruby Gem that requires ActionMailer * It is MIT-LICENSE
Ever wanted to be emailed whenever someone on the team does a cap deploy of trunk or some tag to some server.
Wouldn’t it be nice to know about it every time a release was deployed? For large rails projects this type of coordination is essential, and this plugin makes sure everyone on the need to know list is notified when something new is deployed.
This plugin/gem is an extension to Capistrano.
That means it registers itself with Capistrano as a plugin and is therefore available to call in your recipes.
If you are looking to roll your own email integration into capistrano then try this pastie: pastie.org/146264 (thanks to Mislav Marohnić). But if you want to take the easy road to riches then keep reading ;)
-- figurative "riches" of course, I promise nothing in return for your using this plugin
Important Note: The first time you deploy to a server (a ‘cold’ deploy) capistrano mailer will cause an error because it uses capistrano’s previous release variables, and when there are no previous releases capistrano throws an error. In the next version this will be fixed, just don’t have time at the moment. If you would like to work on this ‘first deploy’ problem please fork my repo and work on it!
github.com/pboling/capistrano_mailer
* Thanks to Dustin Deyoung of Sagebit, LLC (http://www.sagebit.com) for the beautiful HTML email templates.
* at least Rails 3.0 (might work with older versions, but has not been tested) * at least Capistrano 2.4.3 (might work with capistrano as old as 2.1.0, but has not been tested) * Known to be compatible with SCMs as of version 3.1.2: Perforce, SVN, and Git * Known to be compatible with, but does not require, the deprec gem.
The > 4.x versions of this gem require at least Rails 3
Install as a gem:
[sudo] gem install capistrano_mailer
Switch to the rails2 branch (releases will be in 3.x range)
1) You need to have already setup capistrano in the project, including the ‘capify .’ command.
2) Add this line to the top of your config/deploy.rb:
# For plugin: # You must make capistrano_mailer's libraries available in Ruby's load path. This is one way to do that: # Add to the top of your config/deploy.rb file: $:.unshift 'vendor/plugins/capistrano_mailer/lib' # For frozen gem: # You must make capistrano_mailer's libraries available in Ruby's load path. This is one way to do that: # Add to the top of your config/deploy.rb file: $:.unshift 'vendor/gems/capistrano_mailer-x.x.x/lib' # then for gem or plugin: #################################### # Capistrano Plugins go here require 'capistrano/mailer' #configure capistrano_mailer: # The configuration file can go anywhere, but in past versions of the gem it was required to be in the config/ dir. require 'config/cap_mailer_settings' ####################################
3) Configure Caistrano Mailer in the settings file required in step 2:
# If installed as a plugin might need the require here as well ActionMailer::Base.delivery_method = :smtp # or :sendmail, or whatever ActionMailer::Base.smtp_settings = { # if using :smtp :address => "mail.example.com", :port => 25, :domain => 'default.com', :perform_deliveries => true, :user_name => "[email protected]", :password => "mypassword", :authentication => :login } ActionMailer::Base.default_charset = "utf-8"# or "latin1" or whatever you are using CapMailer.configure do |config| config[:recipient_addresses] = ["[email protected]"] # NOTE: THERE IS A BUG IN RAILS 2.3.3 which forces us to NOT use anything but a simple email address string for the sender address. # https://rails.lighthouseapp.com/projects/8994/tickets/2340 # Therefore %("Capistrano Deployment" <[email protected]>) style addresses may not work in Rails 2.3.3 config[:sender_address] = "[email protected]" config[:subject_prepend] = "[EMPTY-CAP-DEPLOY]" config[:site_name] = "Empty Example.com App" end
4) Add these two tasks to your deploy.rb:
namespace :show do
desc "Show some internal Cap-Fu: What's mah NAYM?!?"
task :me do
set :task_name, task_call_frames.first.task.fully_qualified_name
#puts "Running #{task_name} task"
end
end
namespace :deploy do
...
desc "Send email notification of deployment (only send variables you want to be in the email)"
task :notify, :roles => :app do
show.me # this sets the task_name variable
mailer.send_notification_email(self)
end
...
end
5) Make sure you’ve defined ‘rails_env`, `repository`, `deploy_to`, `host`, and `application`. `task_name` is defined by the show:me task above, and the others are defined behind the scenes by Capistrano!
6) The only parameter to mailer.send_notification_email that is required is the first. Minimally you need to define the capistrano variables:
:rails_env :repository :task_name (provided by the show:me task included in this readme) :deploy_to :host :application
But there are tons of others - just take a look at lib/mailer/cap_mailer.rb.
If anyone has a cool way of recording the output into a capistrano accessible variable, so that it can be shoved into the release email that would be an excellent contribution!
7) Then add the hook somewhere in your deploy.rb:
after "deploy:restart", "deploy:notify"
8) Enjoy and Happy Capping!
9) Customization
If you want to use your own views you’ll need to recreate the notification_email view: First you need to define where your templates are:
CapMailer.configure_capistrano_mailer do |config| config[:template_root] = "app/views/capistrano_mailer/" end
Then you’ll need to create templates there called:
`notification_email.text.html.erb`
and / or
`notification_email.text.plain.erb`
Take a look at the templates that comes with the plugin to see how it is done (views/cap_mailer/…)
Peter Boling (pboling) - Wrote original & maintainer Dave Nolan (textgoeshere) - lots of refactoring merged into 3.2 release Jason Rust (jrust) - Updated for Rails 3 compatibility
Dustin Deyoung - HTML Email Templates mixonix - SCMs compatibility greut - SCMs compatibility
This plugin started out as a collaboration between Sagebit, LLC (http://www.sagebit.com) and Peter Boling (http://www.peterboling.com). Written initially while Peter Boling was working at Sagebit for use in various projects. Author: Peter Boling, peter.boling at gmail dot com Copyright (c) 2009-2011 Peter Boling of 9thBit LLC, released under the MIT license Copyright (c) 2007-2008 Sagebit LLC, released under the MIT license
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