Added a sidekiq template.

templates/sidekiq/config/rubber/deploy-sidekiq.rb

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+namespace :rubber do
+  namespace :sidekiq do
+
+    rubber.allow_optional_tasks(self)
+
+    before "deploy",        "rubber:sidekiq:quiet"
+    after "deploy:stop",    "rubber:sidekiq:stop"
+    after "deploy:start",   "rubber:sidekiq:start"
+    after "deploy:restart", "rubber:sidekiq:restart"
+
+    desc "Quiet sidekiq (stop accepting new work)"
+    task :quiet, :roles => :sidekiq do
+      rsudo "cd #{current_path} && if [ -f #{current_path}/tmp/pids/sidekiq.pid ]; then ./bin/sidekiqctl quiet #{current_path}/tmp/pids/sidekiq.pid ; fi", :as => rubber_env.app_user
+    end
+
+    desc "Stop sidekiq"
+    task :stop, :roles => :sidekiq do
+      # Allow workers up to 60 seconds to finish their processing.
+      rsudo "cd #{current_path} && if [ -f #{current_path}/tmp/pids/sidekiq.pid ]; then ./bin/sidekiqctl stop #{current_path}/tmp/pids/sidekiq.pid 60 ; fi", :as => rubber_env.app_user
+    end
+
+    desc "Start sidekiq"
+    task :start, :roles => :sidekiq do
+      rsudo "cd #{current_path} ; nohup ./bin/sidekiq -e #{Rubber.env} -C #{current_path}/config/sidekiq.yml -P #{current_path}/tmp/pids/sidekiq.pid >> #{current_path}/log/sidekiq.log 2>&1 &", :pty => false, :as => rubber_env.app_user
+      sleep 45 # Give the workers some time to start up before moving on so monit doesn't try to start as well.
+    end
+
+    desc "Restart sidekiq"
+    task :restart, :roles => :sidekiq do
+      stop
+      start
+    end
+
+  end
+end

templates/sidekiq/config/rubber/role/sidekiq/monit-sidekiq.conf

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+<%
+  @path = '/etc/monit/monit.d/monit-sidekiq.conf'
+%>
+
+<%
+  start_program = "/usr/bin/sudo -H -u #{rubber_env.app_user} /bin/bash -l -c 'cd #{Rubber.root} ; nohup ./bin/sidekiq -e #{Rubber.env} -C #{Rubber.root}/config/sidekiq.yml -P #{Rubber.root}/tmp/pids/sidekiq.pid >> #{Rubber.root}/log/sidekiq.log 2>&1 &'"
+  stop_program  = "/usr/bin/sudo -H -u #{rubber_env.app_user} /bin/bash -l -c 'cd #{Rubber.root} && if [ -f #{Rubber.root}/tmp/pids/sidekiq.pid ]; then ./bin/sidekiqctl stop #{Rubber.root}/tmp/pids/sidekiq.pid 60 ; fi'"
+%>
+
+check process sidekiq with pidfile <%= Rubber.root %>/tmp/pids/sidekiq.pid
+  group selenium_grid_hub
+  start program = "<%= start_program %>"
+  stop program = "<%= stop_program %>"

templates/sidekiq/config/rubber/rubber-sidekiq.yml

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+role_dependencies:
+  background_worker: [sidekiq]

templates/sidekiq/templates.rb

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+append_to_file 'Gemfile', "gem 'sidekiq'\n" if Rubber::Util::is_bundler?
+append_to_file 'Gemfile', "gem 'slim'\n" if Rubber::Util::is_bundler?

templates/sidekiq/templates.yml

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+description: The sidekiq background queue system
+dependent_templates:
+  - redis