Class: GitRestart::Task

Inherits:
Object
  • Object
show all
Defined in:
lib/git-restart/task.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize {|_self| ... } ⇒ Task

Returns a new instance of Task.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/git-restart/task.rb', line 54

def initialize()
  @statuschange_mutex = Mutex.new();

  @targets = Array.new();
  @watched = Array.new();

  @signal  = "INT"
  @expect_clean_exit = true;
  @exiting         = false;

  @lastStatus = 0;
  @chdir = File.dirname(runner().current_task_file);

  watch(File.basename(runner().current_task_file));

  yield(self);

  valid?

  @status_file ||= "/tmp/TaskLog_#{@name}_#{current_commit()}";

  if(runner().next_tasks[@name])
    raise TaskValidityError, "A task of name #{@name} already exists!"
  else
    runner().next_tasks[@name] = self;
  end
end

Instance Attribute Details

#active ⇒ Object

Returns the value of attribute active.



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# File 'lib/git-restart/task.rb', line 15

def active
  @active
end

#ci_task ⇒ Object

Returns the value of attribute ci_task.



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# File 'lib/git-restart/task.rb', line 12

def ci_task
  @ci_task
end

#expect_clean_exit ⇒ Object

Returns the value of attribute expect_clean_exit.



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# File 'lib/git-restart/task.rb', line 10

def expect_clean_exit
  @expect_clean_exit
end

#lastStatus ⇒ Object (readonly)

Returns the value of attribute lastStatus.



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# File 'lib/git-restart/task.rb', line 17

def lastStatus
  @lastStatus
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/git-restart/task.rb', line 13

def name
  @name
end

#report_status ⇒ Object

Returns the value of attribute report_status.



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# File 'lib/git-restart/task.rb', line 11

def report_status
  @report_status
end

#signal ⇒ Object

Returns the value of attribute signal.



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# File 'lib/git-restart/task.rb', line 9

def signal
  @signal
end

#status_file ⇒ Object

Returns the value of attribute status_file.



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# File 'lib/git-restart/task.rb', line 13

def status_file
  @status_file
end

#status_message ⇒ Object (readonly)

Returns the value of attribute status_message.



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# File 'lib/git-restart/task.rb', line 18

def status_message
  @status_message
end

#targets ⇒ Object (readonly)

Returns the value of attribute targets.



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# File 'lib/git-restart/task.rb', line 7

def targets
  @targets
end

Class Method Details

.runner ⇒ Object 



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# File 'lib/git-restart/task.rb', line 23

def self.runner()
  return @runner;
end

.runner=(runner) ⇒ Object 



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# File 'lib/git-restart/task.rb', line 20

def self.runner=(runner)
  @runner = runner;
end

Instance Method Details

#_get_statusline ⇒ Object 



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# File 'lib/git-restart/task.rb', line 115

def _get_statusline()
  return "No status specified" unless File.exist? @status_file

  sMsg = ""
  File.open(@status_file, "r") do |sFile|
    sFile.each_line do |l| sMsg = l; end
  end

  return sMsg;
end

#_rm_logfile ⇒ Object 



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# File 'lib/git-restart/task.rb', line 110

def _rm_logfile()
  if File.exist?("/tmp/TaskLog_#{@name}_#{current_commit()}") then
    File.delete("/tmp/TaskLog_#{@name}_#{current_commit()}");
  end
end

#branch ⇒ Object 



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# File 'lib/git-restart/task.rb', line 30

def branch()
  runner().current_branch();
end

#current_commit ⇒ Object 



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# File 'lib/git-restart/task.rb', line 33

def current_commit()
  runner().current_commit();
end

#join ⇒ Object 



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# File 'lib/git-restart/task.rb', line 190

def join()
  @executionThread.join();
end

#modified ⇒ Object 



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# File 'lib/git-restart/task.rb', line 36

def modified()
  runner().current_modified();
end

#on_branches(branches) ⇒ Object 



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# File 'lib/git-restart/task.rb', line 48

def on_branches(branches)
  [branches].flatten.each do |b|
    @active |= (b == branch());
  end
end

#runner ⇒ Object 



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# File 'lib/git-restart/task.rb', line 26

def runner()
  return self.class.runner();
end

#start ⇒ Object 



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# File 'lib/git-restart/task.rb', line 136

def start()
  puts "Starting Task: #{@name}"

  if @targets.empty?
    _report_status(:success, "No tasks to run!");
    return
  end

  @executionThread = Thread.new do
    _report_status(:pending);

    @targets.each do |target|
      @statuschange_mutex.synchronize {
        break if @exiting
        _rm_logfile();
        options = {
          [:out, :err] => "/tmp/TaskLog_#{@name}_#{current_commit()}"
        }
        options[:chdir] = @chdir if @chdir

        @currentPID = Process.spawn(target, options);
      }

      status = Process.wait2(@currentPID)[1];
      @currentPID = nil;
      @lastStatus = status.exitstatus();

      break unless @lastStatus == 0;
    end

    if(@lastStatus == 0)
      _report_status(:success);
      _rm_logfile();
    elsif(!@exiting || @expect_clean_exit)
      _report_status(:failure);
    end
  end
  @executionThread.abort_on_exception = true;

  sleep 0.01
end

#stop ⇒ Object 



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# File 'lib/git-restart/task.rb', line 178

def stop()
  puts "Stopping Task: #{@name}"
  return if @signal.nil?

  @statuschange_mutex.synchronize {
    @exiting = true;
    if(p = @currentPID)
      Process.kill(@signal, p);
    end
  }
end

#triggered? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/git-restart/task.rb', line 82

def triggered?
  return true if modified().nil?
  return true if @ci_task

  @watched.each do |regEx|
    modified().each do |f|
      if regEx.to_s =~ /^\(\?\-mix:\\\/(.*)\)$/ then
        return true if f =~ Regexp.new($1);
      else
        next unless f =~ /#{Regexp.quote(@chdir)}(.*)/
        return true if $1 =~ regEx;
      end
    end
  end

  return false;
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/git-restart/task.rb', line 100

def valid?()
  unless Signal.list[@signal] or @signal.nil?
    raise TaskValidityError, "The specified kill-signal is not valid!"
  end

  unless @name
    raise TaskValidityError, "A name needs to be set for identification!"
  end
end

#watch(regEx) ⇒ Object 



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# File 'lib/git-restart/task.rb', line 40

def watch(regEx)
  if(regEx.is_a? String)
    regEx = Regexp.quote(regEx);
  end

  @watched << Regexp.new(regEx);
end