Add runit export format.

Fix #28

spec/foreman/export/runit_spec.rb

@@ -0,0 +1,35 @@
+require "spec_helper"
+require "foreman/engine"
+require "foreman/export/runit"
+require "tmpdir"
+
+describe Foreman::Export::Runit do
+  let(:procfile) { FileUtils.mkdir_p("/tmp/app"); write_procfile("/tmp/app/Procfile", 'bar=baz') }
+  let(:engine) { Foreman::Engine.new(procfile) }
+  let(:runit) { Foreman::Export::Runit.new(engine) }
+  
+  before(:each) { load_export_templates_into_fakefs("runit") }
+  before(:each) { stub(runit).say }
+  
+  it "exports to the filesystem" do
+    FileUtils.mkdir_p('/tmp/init')
+    runit.export('/tmp/init', :concurrency => 'alpha=2')
+    
+    File.read("/tmp/init/app-alpha-1/run").should == example_export_file('runit/app-alpha-1-run')
+    File.read("/tmp/init/app-alpha-1/log/run").should == 
+        example_export_file('runit/app-alpha-1-log-run')
+    File.read("/tmp/init/app-alpha-1/env/PORT").should == "5000\n"
+    File.read("/tmp/init/app-alpha-1/env/BAR").should == "baz\n"
+    
+    File.read("/tmp/init/app-alpha-2/run").should == example_export_file('runit/app-alpha-2-run')
+    File.read("/tmp/init/app-alpha-2/log/run").should == 
+        example_export_file('runit/app-alpha-2-log-run')
+    File.read("/tmp/init/app-alpha-2/env/PORT").should == "5001\n"
+    File.read("/tmp/init/app-alpha-2/env/BAR").should == "baz\n"
+    
+    File.read("/tmp/init/app-bravo-1/run").should == example_export_file('runit/app-bravo-1-run')
+    File.read("/tmp/init/app-bravo-1/log/run").should == 
+        example_export_file('runit/app-bravo-1-log-run')
+    File.read("/tmp/init/app-bravo-1/env/PORT").should == "5100\n"
+  end
+end

spec/resources/export/runit/app-alpha-1-log-run

@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+
+LOG=/var/log/app/alpha-1
+
+test -d "$LOG" || mkdir -p m2750 "$LOG" && chown app "$LOG"
+exec chpst -u app svlogd "$LOG"

spec/resources/export/runit/app-alpha-1-run

@@ -0,0 +1,3 @@
+#!/bin/sh
+cd /tmp/app
+exec chpst -u app -e /tmp/init/app-alpha-1/env ./alpha bar=baz

spec/resources/export/runit/app-alpha-2-log-run

@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+
+LOG=/var/log/app/alpha-2
+
+test -d "$LOG" || mkdir -p m2750 "$LOG" && chown app "$LOG"
+exec chpst -u app svlogd "$LOG"

spec/resources/export/runit/app-alpha-2-run

@@ -0,0 +1,3 @@
+#!/bin/sh
+cd /tmp/app
+exec chpst -u app -e /tmp/init/app-alpha-2/env ./alpha bar=baz

spec/resources/export/runit/app-bravo-1-log-run

@@ -0,0 +1,7 @@
+#!/bin/sh
+set -e
+
+LOG=/var/log/app/bravo-1
+
+test -d "$LOG" || mkdir -p m2750 "$LOG" && chown app "$LOG"
+exec chpst -u app svlogd "$LOG"

spec/resources/export/runit/app-bravo-1-run

@@ -0,0 +1,3 @@
+#!/bin/sh
+cd /tmp/app
+exec chpst -u app -e /tmp/init/app-bravo-1/env ./bravo

spec/spec_helper.rb

@@ -28,9 +28,9 @@ def write_foreman_config(app)
   end
 end
 
-def write_procfile(procfile="Procfile")
+def write_procfile(procfile="Procfile", alpha_env="")
   File.open(procfile, "w") do |file|
-    file.puts "alpha: ./alpha"
+    file.puts "alpha: ./alpha" + " #{alpha_env}".rstrip
     file.puts "\n"
     file.puts "bravo:\t./bravo"
   end