Class: Outback::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/outback/manager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Manager

Returns a new instance of Manager.



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# File 'lib/outback/manager.rb', line 12

def initialize
  @tasks = []
  @statuses = []
  @errors = []
  @position = 0
end

Instance Attribute Details

#errors ⇒ Object (readonly)

Returns the value of attribute errors.



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# File 'lib/outback/manager.rb', line 8

def errors
  @errors
end

#logger=(value) ⇒ Object (writeonly)

Sets the attribute logger

Parameters:

  • value —

    the value to set the attribute logger to.



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# File 'lib/outback/manager.rb', line 9

def logger=(value)
  @logger = value
end

#position ⇒ Object (readonly)

Returns the value of attribute position.



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# File 'lib/outback/manager.rb', line 8

def position
  @position
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/outback/manager.rb', line 8

def status
  @status
end

#tasks ⇒ Object (readonly)

Returns the value of attribute tasks.



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# File 'lib/outback/manager.rb', line 8

def tasks
  @tasks
end

#workdir ⇒ Object

Returns the value of attribute workdir.



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# File 'lib/outback/manager.rb', line 10

def workdir
  @workdir
end

Instance Method Details

#attempt ⇒ Object 



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# File 'lib/outback/manager.rb', line 39

def attempt
  method = {1 => :rollout, -1 => :rollback}[@direction]
  Dir.chdir(@workdir || Dir.pwd) do
    @statuses << [method, *current_task.send(method)]
  end
  return latest_okay?
end

#current_task ⇒ Object 



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# File 'lib/outback/manager.rb', line 59

def current_task
  @tasks[@position]
end

#latest_okay? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/outback/manager.rb', line 47

def latest_okay?
  status[1] == 0
end

#rollback ⇒ Object 



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# File 'lib/outback/manager.rb', line 24

def rollback
  @direction = -1
  run
end

#rollback_from(task) ⇒ Object 



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# File 'lib/outback/manager.rb', line 34

def rollback_from( task )
  @position = @tasks.index(task) - 1
  rollback
end

#rollout ⇒ Object 



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# File 'lib/outback/manager.rb', line 19

def rollout
  @direction = 1
  run
end

#rollout_from(task) ⇒ Object 



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# File 'lib/outback/manager.rb', line 29

def rollout_from( task )
  @position = @tasks.index(task)
  rollout
end

#state ⇒ Object 



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# File 'lib/outback/manager.rb', line 63

def state
  { :position => @position, 
    :direction => @direction, 
    :statuses => @statuses }
end