Adding in worker support

lib/capistrano/tasks/sneakers.rb

@@ -9,6 +9,8 @@ namespace :load do
     # set :sneakers_timeout, -> { 10 }
     set :sneakers_role, -> { :app }
     set :sneakers_processes, -> { 1 }
+    set :sneakers_workers, -> { false } # if this is false it will cause Capistrano to exit
+    set :sneakers_run_config, -> { false } # if this is true sneakers will run with preconfigured /config/initializers/sneakers.rb
     # Rbenv and RVM integration
     set :rbenv_map_bins, fetch(:rbenv_map_bins).to_a.concat(%w(sneakers))
     set :rvm_map_bins, fetch(:rvm_map_bins).to_a.concat(%w(sneakers))
@@ -86,31 +88,41 @@ namespace :sneakers do
 
   def start_sneakers(pid_file, idx = 0)
     args = []
-    args.push "--index #{idx}"
-    args.push "--pidfile #{pid_file}"
-    args.push "--environment #{fetch(:sneakers_env)}"
-    args.push "--logfile #{fetch(:sneakers_log)}" if fetch(:sneakers_log)
-    args.push "--require #{fetch(:sneakers_require)}" if fetch(:sneakers_require)
-    args.push "--tag #{fetch(:sneakers_tag)}" if fetch(:sneakers_tag)
-    Array(fetch(:sneakers_queue)).each do |queue|
-      args.push "--queue #{queue}"
-    end
-    args.push "--config #{fetch(:sneakers_config)}" if fetch(:sneakers_config)
-    args.push "--concurrency #{fetch(:sneakers_concurrency)}" if fetch(:sneakers_concurrency)
-    # use sneakers_options for special options
-    args.push fetch(:sneakers_options) if fetch(:sneakers_options)
-
-    if defined?(JRUBY_VERSION)
-      args.push '>/dev/null 2>&1 &'
-      warn 'Since JRuby doesn\'t support Process.daemon, sneakers will not be running as a daemon.'
-    else
-      args.push '--daemon'
-    end
+    if fetch(:sneakers_run_config) == true
+      # Use sneakers configuration prebuilt in
+      raise "[ set :workers, ['worker1', 'workerN'] ] not configured properly, please configure the workers you wish to use" if fetch(:sneakers_workers).nil? or !fetch(:sneakers_workers).kind_of Array
 
-    if fetch(:start_sneakers_in_background, fetch(:sneakers_run_in_background))
-      background :bundle, :exec, :sneakers, args.compact.join(' ')
-    else
+      workers = fetch(:sneakers_workers).compact.join(',')
+      raise "Workers = #{workers}"
       execute :bundle, :exec, :sneakers, args.compact.join(' ')
+    else
+      # Using custom sneakers setup
+      args.push "--index #{idx}"
+      args.push "--pidfile #{pid_file}"
+      args.push "--environment #{fetch(:sneakers_env)}"
+      args.push "--logfile #{fetch(:sneakers_log)}" if fetch(:sneakers_log)
+      args.push "--require #{fetch(:sneakers_require)}" if fetch(:sneakers_require)
+      args.push "--tag #{fetch(:sneakers_tag)}" if fetch(:sneakers_tag)
+      Array(fetch(:sneakers_queue)).each do |queue|
+        args.push "--queue #{queue}"
+      end
+      args.push "--config #{fetch(:sneakers_config)}" if fetch(:sneakers_config)
+      args.push "--concurrency #{fetch(:sneakers_concurrency)}" if fetch(:sneakers_concurrency)
+      # use sneakers_options for special options
+      args.push fetch(:sneakers_options) if fetch(:sneakers_options)
+
+      if defined?(JRUBY_VERSION)
+        args.push '>/dev/null 2>&1 &'
+        warn 'Since JRuby doesn\'t support Process.daemon, sneakers will not be running as a daemon.'
+      else
+        args.push '--daemon'
+      end
+
+      if fetch(:start_sneakers_in_background, fetch(:sneakers_run_in_background))
+        background :bundle, :exec, :sneakers, args.compact.join(' ')
+      else
+        execute :bundle, :exec, :sneakers, args.compact.join(' ')
+      end
     end
   end