0.50.0

Avoid crash by verifying the existence of SIGHUP before accessing it.

Changelog.md

@@ -1,3 +1,12 @@
+## 0.48.0.pre2 (2012-06-17)
+
+* 0.48.0.pre2  [David Dollar]
+* allow color to be forced on  [David Dollar]
+* terminate gracefully if stdout goes away  [David Dollar]
+* always flush output  [David Dollar]
+* test on more things, but don't fail  [David Dollar]
+* changelog  [David Dollar]
+
 ## 0.48.0.pre1 (2012-06-11)
 
 * Massive refactoring for programmatic control and stability  [David Dollar]

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    foreman (0.48.0.pre2)
+    foreman (0.50.0)
       thor (>= 0.13.6)
 
 GEM
@@ -39,7 +39,7 @@ GEM
       multi_json (~> 1.0.3)
       simplecov-html (~> 0.5.3)
     simplecov-html (0.5.3)
-    thor (0.15.2)
+    thor (0.15.4)
     timecop (0.3.5)
     win32console (1.3.0-x86-mingw32)
     xml-simple (1.0.15)

data/example/spawnee

@@ -9,6 +9,6 @@ sigterm() {
 #trap sigterm SIGTERM
 
 while true; do
-  echo "$NAME: ping"
+  echo "$NAME: ping $$"
   sleep 1
 done

lib/foreman.rb

@@ -12,6 +12,10 @@ module Foreman
     defined?(RUBY_PLATFORM) and RUBY_PLATFORM == "java"
   end
 
+  def self.ruby_18?
+    defined?(RUBY_VERSION) and RUBY_VERSION =~ /^1\.8\.\d+/
+  end
+
   def self.windows?
     defined?(RUBY_PLATFORM) and RUBY_PLATFORM =~ /(win|w)32$/
   end

lib/foreman/cli.rb

@@ -3,13 +3,17 @@ require "foreman/helpers"
 require "foreman/engine"
 require "foreman/engine/cli"
 require "foreman/export"
+require "foreman/version"
 require "shellwords"
+require "yaml"
 require "thor"
 
 class Foreman::CLI < Thor
 
   include Foreman::Helpers
 
+  map ["-v", "--version"] => :version
+
   class_option :procfile, :type => :string, :aliases => "-f", :desc => "Default: Procfile"
   class_option :root,     :type => :string, :aliases => "-d", :desc => "Default: Procfile directory"
 
@@ -80,6 +84,12 @@ class Foreman::CLI < Thor
     end
   end
 
+  desc "version", "Display Foreman gem version"
+
+  def version
+    puts Foreman::VERSION
+  end
+
   no_tasks do
     def engine
       @engine ||= begin
@@ -123,7 +133,7 @@ private ######################################################################
   def options
     original_options = super
     return original_options unless File.exists?(".foreman")
-    defaults = YAML::load_file(".foreman") || {}
+    defaults = ::YAML::load_file(".foreman") || {}
     Thor::CoreExt::HashWithIndifferentAccess.new(defaults.merge(original_options))
   end
 

lib/foreman/engine.rb

@@ -24,7 +24,7 @@ class Foreman::Engine
   def initialize(options={})
     @options = options.dup
 
-    @options[:formation] ||= "all=1"
+    @options[:formation] ||= (options[:concurrency] || "all=1")
 
     @env       = {}
     @mutex     = Mutex.new
@@ -39,7 +39,7 @@ class Foreman::Engine
   def start
     trap("TERM") { puts "SIGTERM received"; terminate_gracefully }
     trap("INT")  { puts "SIGINT received";  terminate_gracefully }
-    trap("HUP")  { puts "SIGHUP received";  terminate_gracefully }
+    trap("HUP")  { puts "SIGHUP received";  terminate_gracefully } if ::Signal.list.keys.include? 'HUP'
 
     startup
     spawn_processes
@@ -99,10 +99,17 @@ class Foreman::Engine
   # @param [String] signal  The signal to send to each process
   #
   def killall(signal="SIGTERM")
-    @running.each do |pid, (process, index)|
-      system "sending #{signal} to #{name_for(pid)} at pid #{pid}"
+    if Foreman.windows?
+      @running.each do |pid, (process, index)|
+        system "sending #{signal} to #{name_for(pid)} at pid #{pid}"
+        begin
+          Process.kill(signal, pid)
+        rescue Errno::ESRCH, Errno::EPERM
+        end
+      end
+    else
       begin
-        Process.kill(signal, -1 * pid)
+        Process.kill "-#{signal}", Process.pid
       rescue Errno::ESRCH, Errno::EPERM
       end
     end
@@ -154,11 +161,28 @@ class Foreman::Engine
   #
   # @param [Foreman::Process] process   A +Process+ associated with this engine
   # @param [Fixnum]           instance  The instance of the process
-  # 
+  #
   # @returns [Fixnum] port  The port to use for this instance of this process
   #
-  def port_for(process, instance)
-    base_port + (@processes.index(process) * 100) + (instance - 1)
+  def port_for(process, instance, base=nil)
+    if base
+      base + (@processes.index(process.process) * 100) + (instance - 1)
+    else
+      base_port + (@processes.index(process) * 100) + (instance - 1)
+    end
+  end
+
+  # Get the base port for this foreman instance
+  #
+  # @returns [Fixnum] port  The base port
+  #
+  def base_port
+    (options[:port] || env["PORT"] || ENV["PORT"] || 5000).to_i
+  end
+
+  # deprecated
+  def environment
+    env
   end
 
 private
@@ -179,10 +203,6 @@ private
 
 ## Helpers ##########################################################
 
-  def base_port
-    (options[:port] || env["PORT"] || ENV["PORT"] || 5000).to_i
-  end
-
   def create_pipe
     IO.method(:pipe).arity.zero? ? IO.pipe : IO.pipe("BINARY")
   end
@@ -193,7 +213,7 @@ private
   end
 
   def parse_formation(formation)
-    pairs = @options[:formation].to_s.gsub(/\s/, "").split(",")
+    pairs = formation.to_s.gsub(/\s/, "").split(",")
 
     pairs.inject(Hash.new(0)) do |ax, pair|
       process, amount = pair.split("=")
@@ -253,7 +273,7 @@ private
         loop do
           (IO.select(@readers.values).first || []).each do |reader|
             data = reader.gets
-            output_with_mutex name_for(@readers.key(reader)), data
+            output_with_mutex name_for(@readers.invert[reader]), data
           end
         end
       rescue Exception => ex
@@ -275,8 +295,13 @@ private
   def terminate_gracefully
     return if @terminating
     @terminating = true
-    system  "sending SIGTERM to all processes"
-    killall "SIGTERM"
+    if Foreman.windows?
+      system  "sending SIGKILL to all processes"
+      killall "SIGKILL"
+    else
+      system  "sending SIGTERM to all processes"
+      killall "SIGTERM"
+    end
     Timeout.timeout(5) do
       watch_for_termination while @running.length > 0
     end

lib/foreman/engine/cli.rb

@@ -31,6 +31,7 @@ class Foreman::Engine::CLI < Foreman::Engine
 
     def color?
       return true if @@color_force
+      return true if Foreman.windows?
       return false unless self.respond_to?(:isatty)
       self.isatty && ENV["TERM"]
     end
@@ -49,11 +50,12 @@ class Foreman::Engine::CLI < Foreman::Engine
   def startup
     @colors = map_colors
     proctitle "foreman: master"
+    require "win32console" if Foreman.windows?
+    Color.enable($stdout, options[:color]) unless $stdout.respond_to?(:color?)
   end
 
   def output(name, data)
     data.to_s.chomp.split("\n").each do |message|
-      Color.enable($stdout, options[:color]) unless $stdout.respond_to?(:color?)
       output  = ""
       output += $stdout.color(@colors[name.split(".").first].to_sym)
       output += "#{Time.now.strftime("%H:%M:%S")} #{pad_process_name(name)} | "

lib/foreman/export.rb

@@ -1,5 +1,6 @@
 require "foreman"
 require "foreman/helpers"
+require "pathname"
 
 module Foreman::Export
   extend Foreman::Helpers
@@ -31,4 +32,3 @@ require "foreman/export/bluepill"
 require "foreman/export/runit"
 require "foreman/export/supervisord"
 require "foreman/export/launchd"
-

lib/foreman/export/base.rb

@@ -1,4 +1,6 @@
 require "foreman/export"
+require "ostruct"
+require "pathname"
 require "shellwords"
 
 class Foreman::Export::Base
@@ -8,11 +10,37 @@ class Foreman::Export::Base
   attr_reader :options
   attr_reader :formation
 
+  # deprecated
+  attr_reader :port
+
   def initialize(location, engine, options={})
     @location  = location
     @engine    = engine
     @options   = options.dup
     @formation = engine.formation
+
+    # deprecated
+    def port
+      Foreman::Export::Base.warn_deprecation!
+      engine.base_port
+    end
+
+    # deprecated
+    def template
+      Foreman::Export::Base.warn_deprecation!
+      options[:template]
+    end
+
+    # deprecated
+    def @engine.procfile
+      Foreman::Export::Base.warn_deprecation!
+      @processes.map do |process|
+        OpenStruct.new(
+          :name => @names[process],
+          :process => process
+        )
+      end
+    end
   end
 
   def export
@@ -36,6 +64,18 @@ class Foreman::Export::Base
 
 private ######################################################################
 
+  def self.warn_deprecation!
+    @@deprecation_warned ||= false
+    return if @@deprecation_warned
+    puts "WARNING: Using deprecated exporter interface. Please update your exporter"
+    puts "the interface shown in the upstart exporter:"
+    puts
+    puts "https://github.com/ddollar/foreman/blob/master/lib/foreman/export/upstart.rb"
+    puts "https://github.com/ddollar/foreman/blob/master/data/export/upstart/process.conf.erb"
+    puts
+    @@deprecation_warned = true
+  end
+
   def error(message)
     raise Foreman::Export::Exception.new(message)
   end
@@ -54,13 +94,28 @@ private ######################################################################
     '"' + Shellwords.escape(value) + '"'
   end
 
-  def export_template(name)
-    name_without_first = name.split("/")[1..-1].join("/")
-    matchers = []
-    matchers << File.join(options[:template], name_without_first) if options[:template]
-    matchers << File.expand_path("~/.foreman/templates/#{name}")
-    matchers << File.expand_path("../../../../data/export/#{name}", __FILE__)
-    File.read(matchers.detect { |m| File.exists?(m) })
+  # deprecated
+  def old_export_template(exporter, file, template_root)
+    if template_root && File.exist?(file_path = File.join(template_root, file))
+      File.read(file_path)
+    elsif File.exist?(file_path = File.expand_path(File.join("~/.foreman/templates", file)))
+      File.read(file_path)
+    else
+      File.read(File.expand_path("../../../../data/export/#{exporter}/#{file}", __FILE__))
+    end
+  end
+
+  def export_template(name, file=nil, template_root=nil)
+    if file && template_root
+      old_export_template name, file, template_root
+    else
+      name_without_first = name.split("/")[1..-1].join("/")
+      matchers = []
+      matchers << File.join(options[:template], name_without_first) if options[:template]
+      matchers << File.expand_path("~/.foreman/templates/#{name}")
+      matchers << File.expand_path("../../../../data/export/#{name}", __FILE__)
+      File.read(matchers.detect { |m| File.exists?(m) })
+    end
   end
 
   def write_template(name, target, binding)
@@ -81,7 +136,9 @@ private ######################################################################
   def write_file(filename, contents)
     say "writing: #{filename}"
 
-    File.open(File.join(location, filename), "w") do |file|
+    filename = File.join(location, filename) unless Pathname.new(filename).absolute?
+
+    File.open(filename, "w") do |file|
       file.puts contents
     end
   end

lib/foreman/process.rb

@@ -36,16 +36,29 @@ class Foreman::Process
 
     if Foreman.windows?
       Dir.chdir(cwd) do
-        Process.spawn env, command, :out => output, :err => output, :new_pgroup => true
+        expanded_command = command.dup
+        env.each do |key, val|
+          expanded_command.gsub!("$#{key}", val)
+        end
+        Process.spawn env, expanded_command, :out => output, :err => output
       end
     elsif Foreman.jruby?
       Dir.chdir(cwd) do
         require "posix/spawn"
-        POSIX::Spawn.spawn env, command, :out => output, :err => output, :pgroup => 0
+        POSIX::Spawn.spawn env, command, :out => output, :err => output
+      end
+    elsif Foreman.ruby_18?
+      Dir.chdir(cwd) do
+        fork do
+          $stdout.reopen output
+          $stderr.reopen output
+          env.each { |k,v| ENV[k] = v }
+          exec command
+        end
       end
     else
       Dir.chdir(cwd) do
-        Process.spawn env, command, :out => output, :err => output, :pgroup => 0
+        Process.spawn env, command, :out => output, :err => output
       end
     end
   end
@@ -55,7 +68,11 @@ class Foreman::Process
   # @param [String] signal  The signal to send
   #
   def kill(signal)
-    pid && Process.kill(signal, -1 * pid)
+    if Foreman.windows?
+      pid && Process.kill(signal, pid)
+    else
+      pid && Process.kill("-#{signal}", pid)
+    end
   rescue Errno::ESRCH
     false
   end

lib/foreman/version.rb

@@ -1,5 +1,5 @@
 module Foreman
 
-  VERSION = "0.48.0.pre2"
+  VERSION = "0.50.0"
 
 end

man/foreman.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "FOREMAN" "1" "April 2012" "Foreman 0.46.0" "Foreman Manual"
+.TH "FOREMAN" "1" "June 2012" "Foreman 0.49.0" "Foreman Manual"
 .
 .SH "NAME"
 \fBforeman\fR \- manage Procfile\-based applications

spec/foreman/cli_spec.rb

@@ -74,4 +74,14 @@ describe "Foreman::CLI", :fakefs do
     end
   end
 
+  describe "version" do
+    it "displays gem version" do
+      foreman("version").chomp.should == Foreman::VERSION
+    end
+
+    it "displays gem version on shortcut command" do
+      foreman("-v").chomp.should == Foreman::VERSION
+    end
+  end
+
 end

spec/spec_helper.rb

@@ -54,7 +54,6 @@ def fork_and_capture(&blk)
   Process.wait pid
   buffer = ""
   until rd.eof?
-    p [:foo]
     buffer += rd.gets
   end
 end

tasks/release.rake

@@ -60,7 +60,6 @@ end
 
 desc "Cut a release"
 task :release do
-  Rake::Task["authors"].invoke
   Rake::Task["changelog"].invoke
   Rake::Task["pages"].invoke
 end