Class: CIJoe

Inherits:
Object
  • Object
show all
Defined in:
lib/cijoe.rb,
lib/cijoe/build.rb,
lib/cijoe/commit.rb,
lib/cijoe/config.rb,
lib/cijoe/server.rb,
lib/cijoe/talker.rb,
lib/cijoe/version.rb,
lib/cijoe/campfire.rb

Defined Under Namespace

Modules: Campfire, Talker Classes: Build, Commit, Config, Server

Constant Summary collapse

Version = 
"0.2.1"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(project_path) ⇒ CIJoe

Returns a new instance of CIJoe.



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# File 'lib/cijoe.rb', line 27

def initialize(project_path)
  project_path = File.expand_path(project_path)
  Dir.chdir(project_path)

  @user, @project = git_user_and_project
  @url = "http://github.com/#{@user}/#{@project}"

  @last_build = nil
  @current_build = nil

  trap("INT") { stop }
end

Instance Attribute Details

#current_build ⇒ Object (readonly)

Returns the value of attribute current_build.



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# File 'lib/cijoe.rb', line 25

def current_build
  @current_build
end

#last_build ⇒ Object (readonly)

Returns the value of attribute last_build.



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# File 'lib/cijoe.rb', line 25

def last_build
  @last_build
end

#project ⇒ Object (readonly)

Returns the value of attribute project.



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# File 'lib/cijoe.rb', line 25

def project
  @project
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/cijoe.rb', line 25

def url
  @url
end

#user ⇒ Object (readonly)

Returns the value of attribute user.



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# File 'lib/cijoe.rb', line 25

def user
  @user
end

Instance Method Details

#build ⇒ Object

run the build but make sure only one is running at a time



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# File 'lib/cijoe.rb', line 81

def build
  return if building?
  @current_build = Build.new(@user, @project)
  write_build 'current', @current_build
  Thread.new { build! }
end

#build! ⇒ Object

update git then run the build



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# File 'lib/cijoe.rb', line 103

def build!
  build = @current_build
  output = ''
  git_update
  build.sha = git_sha
  write_build 'current', build

  open_pipe("#{runner_command} 2>&1") do |pipe, pid|
    puts "#{Time.now.to_i}: Building #{build.short_sha}: pid=#{pid}"

    build.pid = pid
    write_build 'current', build
    output = pipe.read
  end

  Process.waitpid(build.pid)
  status = $?.exitstatus.to_i
  puts "#{Time.now.to_i}: Built #{build.short_sha}: status=#{status}"

  status == 0 ? build_worked(output) : build_failed('', output)
rescue Object => e
  puts "Exception building: #{e.message} (#{e.class})"
  build_failed('', e.to_s)
end

#build_failed(output, error) ⇒ Object

build callbacks



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# File 'lib/cijoe.rb', line 57

def build_failed(output, error)
  finish_build :failed, "#{error}\n\n#{output}"
  run_hook "build-failed"
end

#build_worked(output) ⇒ Object 



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# File 'lib/cijoe.rb', line 62

def build_worked(output)
  finish_build :worked, output
  run_hook "build-worked"
end

#building? ⇒ Boolean

is a build running?

Returns:

  • (Boolean) 


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# File 'lib/cijoe.rb', line 41

def building?
  !!@current_build
end

#finish_build(status, output) ⇒ Object 



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# File 'lib/cijoe.rb', line 67

def finish_build(status, output)
  @current_build.finished_at = Time.now
  @current_build.status = status
  @current_build.output = output
  @last_build = @current_build

  @current_build = nil
  write_build 'current', @current_build
  write_build 'last', @last_build
  @last_build.notify if @last_build.respond_to? :notify
end

#git_branch ⇒ Object 



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# File 'lib/cijoe.rb', line 147

def git_branch
  branch = Config.cijoe.branch.to_s
  branch == '' ? "master" : branch
end

#git_sha ⇒ Object 



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# File 'lib/cijoe.rb', line 134

def git_sha
  `git rev-parse origin/#{git_branch}`.chomp
end

#git_update ⇒ Object 



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# File 'lib/cijoe.rb', line 138

def git_update
  `git fetch origin && git reset --hard origin/#{git_branch}`
  run_hook "after-reset"
end

#git_user_and_project ⇒ Object 



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# File 'lib/cijoe.rb', line 143

def git_user_and_project
  Config.remote.origin.url.to_s.chomp('.git').split(':')[-1].split('/')[-2, 2]
end

#open_pipe(cmd) {|read, pid| ... } ⇒ Object

Yields:



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# File 'lib/cijoe.rb', line 88

def open_pipe(cmd)
  read, write = IO.pipe

  pid = fork do
    read.close
    $stdout.reopen write
    exec cmd
  end

  write.close

  yield read, pid
end

#pid ⇒ Object

the pid of the running child process



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# File 'lib/cijoe.rb', line 46

def pid
  building? and current_build.pid
end

#read_build(name) ⇒ Object

load build info from file.



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# File 'lib/cijoe.rb', line 200

def read_build(name)
  Build.load(".git/builds/#{name}")
end

#restore ⇒ Object

restore current / last build state from disk.



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# File 'lib/cijoe.rb', line 172

def restore
  unless @last_build
    @last_build = read_build('last')
  end

  unless @current_build
    @current_build = read_build('current')
  end

  Process.kill(0, @current_build.pid) if @current_build && @current_build.pid
rescue Errno::ESRCH
  # build pid isn't running anymore. assume previous
  # server died and reset.
  @current_build = nil
end

#run_hook(hook) ⇒ Object

massage our repo



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# File 'lib/cijoe.rb', line 153

def run_hook(hook)
  if File.exists?(file=".git/hooks/#{hook}") && File.executable?(file)
    data =
      if @last_build && @last_build.commit
        {
          "MESSAGE" => @last_build.commit.message,
          "AUTHOR" => @last_build.commit.author,
          "SHA" => @last_build.commit.sha,
          "OUTPUT" => @last_build.clean_output
        }
      else
        {}
      end
    env = data.collect { |k, v| %(#{k}=#{v.inspect}) }.join(" ")
    `#{env} sh #{file}`
  end
end

#runner_command ⇒ Object

shellin’ out



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# File 'lib/cijoe.rb', line 129

def runner_command
  runner = Config.cijoe.runner.to_s
  runner == '' ? "rake -s test:units" : runner
end

#stop ⇒ Object

kill the child and exit



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# File 'lib/cijoe.rb', line 51

def stop
  Process.kill(9, pid) if pid
  exit!
end

#write_build(name, build) ⇒ Object

write build info for build to file.



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# File 'lib/cijoe.rb', line 189

def write_build(name, build)
  filename = ".git/builds/#{name}"
  Dir.mkdir '.git/builds' unless File.directory?('.git/builds')
  if build
    build.dump filename
  elsif File.exist?(filename)
    File.unlink filename
  end
end