more testing and implemntation

data/export/supervisor/group.conf.erb

@@ -0,0 +1,2 @@
+[group:<%= app %>]
+programs=<%= programs %>

data/export/supervisor/program.conf.erb

@@ -0,0 +1,12 @@
+[program:<%= app %>-<%= program.name %>]
+command=<%= program.command %>
+<% if num_procs > 1 %>
+process_name=%(program_name)-%(process_num)
+num_procs=<%= num_procs %>
+<% end %>
+directory=<%= engine.directory %>
+<% if user %>user=<%= user %><% end %>
+<% if log_root %>
+stdout_logfile=<%= log_root %>/%(program_name)-%(process_num)-stdout.log
+stderr_logfile=<%= log_root %>/%(program_name)-%(process_num)-stderr.log
+<% end %>

lib/foreman/cli.rb

@@ -37,8 +37,9 @@ def export(format, location=nil)
     check_procfile!
 
     formatter = case format
-      when "inittab" then Foreman::Export::Inittab
-      when "upstart" then Foreman::Export::Upstart
+      when "inittab"    then Foreman::Export::Inittab
+      when "supervisor" then Foreman::Export::Supervisor
+      when "upstart"    then Foreman::Export::Upstart
       else error "Unknown export format: #{format}."
     end
 

lib/foreman/export.rb

@@ -7,3 +7,4 @@ class Exception < ::Exception; end
 require "foreman/export/base"
 require "foreman/export/inittab"
 require "foreman/export/upstart"
+require "foreman/export/supervisor"

lib/foreman/export/supervisor.rb

@@ -3,7 +3,36 @@
 
 class Foreman::Export::Supervisor < Foreman::Export::Base
 
-  def export(location, options=[])
+  def export(location="/etc/supervisor/conf.d", options={})
+    FileUtils.mkdir_p location
+    app = options[:app] || File.basename(engine.directory)
+    processes = engine.processes.values
+
+    # App group
+    programs  = processes.map {|v| "#{app}-#{v.name}" }.join(",")
+    group_template = export_template("supervisor/group.conf.erb")
+    group_config   = ERB.new(group_template).result(binding)
+    write_file "#{location}/#{app}.conf", group_config
+
+    # Individual programs
+    user = options[:user] || app
+    log_root = options[:log]
+    program_template = export_template("supervisor/program.conf.erb")
+    concurrency = Foreman::Utils.parse_concurrency(options[:concurrency])
+
+    processes.each do |program|
+      num_procs = concurrency[program.name] || 1
+      program_config = ERB.new(program_template, nil, "<>").result(binding)
+      write_file "#{location}/#{app}-#{program.name}.conf", program_config
+    end
+
+    ctl "update"
   end
 
+private ######################################################################
+
+  # Shortcut to run supervisorctl
+  def ctl(cmd="")
+    system("supervisorctl #{cmd}") unless cmd.empty?
+  end
 end

spec/foreman/export/supervisor_spec.rb

@@ -14,11 +14,8 @@
   it "exports to the filesystem" do
     supervisor.export("/tmp/init")
 
-    #File.read("/tmp/init/app.conf").should         == example_export_file("supervisor/app.conf")
-    #File.read("/tmp/init/app-alpha.conf").should   == example_export_file("supervisor/app-alpha.conf")
-    #File.read("/tmp/init/app-alpha-1.conf").should == example_export_file("supervisor/app-alpha-1.conf")
-    #File.read("/tmp/init/app-alpha-2.conf").should == example_export_file("supervisor/app-alpha-2.conf")
-    #File.read("/tmp/init/app-bravo.conf").should   == example_export_file("supervisor/app-bravo.conf")
-    #File.read("/tmp/init/app-bravo-1.conf").should == example_export_file("supervisor/app-bravo-1.conf")
+    File.read("/tmp/init/app.conf").should         == example_export_file("supervisor/app.conf")
+    File.read("/tmp/init/app-alpha.conf").should   == example_export_file("supervisor/app-alpha.conf")
+    File.read("/tmp/init/app-bravo.conf").should   == example_export_file("supervisor/app-bravo.conf")
   end
 end

spec/resources/export/supervisor/app-alpha.conf

@@ -0,0 +1,4 @@
+[program:app-alpha]
+command=./alpha
+directory=/tmp/app
+user=app

spec/resources/export/supervisor/app-bravo.conf

@@ -0,0 +1,6 @@
+[program:app-bravo]
+command=./bravo
+directory=/tmp/app
+process_name=%(program_name)-%(process_num)
+num_procs=2
+user=app

spec/resources/export/supervisor/app.conf

@@ -0,0 +1,2 @@
+[group:app]
+programs=app-alpha,app-bravo