Class: AngryMob::Target

Inherits:
Object show all
Includes:
Tracking
Defined in:
lib/angry_mob/target.rb,
lib/angry_mob/target/call.rb,
lib/angry_mob/target/mother.rb,
lib/angry_mob/target/notify.rb,
lib/angry_mob/target/defaults.rb,
lib/angry_mob/target/tracking.rb,
lib/angry_mob/target/arguments.rb,
lib/angry_mob/target/default_resource_locator.rb

Defined Under Namespace

Modules: Tracking Classes: Arguments, Call, DefaultResourceLocator, Defaults, Mother, Notify

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Tracking

included, register_klass_file, subclass_files, subclasses

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &blk) ⇒ Object (protected)

delegate to the default object



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# File 'lib/angry_mob/target.rb', line 249

def method_missing(method,*args,&blk)
  if (dobj = default_object) && dobj.respond_to?(method)
    dobj.send(method,*args,&blk)
  else
    super
  end
end

Instance Attribute Details

#act ⇒ Object

Returns the value of attribute act.



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# File 'lib/angry_mob/target.rb', line 66

def act
  @act
end

#args ⇒ Object (readonly)

Returns the value of attribute args.



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# File 'lib/angry_mob/target.rb', line 65

def args
  @args
end

#current_action ⇒ Object (readonly)

Returns the value of attribute current_action.



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# File 'lib/angry_mob/target.rb', line 65

def current_action
  @current_action
end

Class Method Details

.actions ⇒ Object 



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# File 'lib/angry_mob/target.rb', line 22

def actions
  @actions ||= ['nothing']
end

.all_actions ⇒ Object 



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# File 'lib/angry_mob/target.rb', line 25

def all_actions
  @all_actions ||= from_superclass(:all_actions, ['nothing'])
  @all_actions |= actions
end

.default_action ⇒ Object 



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# File 'lib/angry_mob/target.rb', line 18

def default_action
  @set_default_action = true
end

.default_action_name ⇒ Object 



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# File 'lib/angry_mob/target.rb', line 30

def default_action_name
  @default_action
end

.instance_key(args) ⇒ Object

Based on the args, makes a unique key for a target instance. This could be overridden by subclasses.



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# File 'lib/angry_mob/target.rb', line 37

def instance_key(args)
  args.key
end

Instance Method Details

#changed? ⇒ Boolean

Has the state changed?

dir("/tmp/config").changed? && sh("echo it changed")

Returns:

  • (Boolean) 


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# File 'lib/angry_mob/target.rb', line 135

def changed?
  state_changed?
end

#mob ⇒ Object 



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# File 'lib/angry_mob/target.rb', line 68

def mob; act.mob end

#nickname ⇒ Object

class << self



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# File 'lib/angry_mob/target.rb', line 61

def nickname
  self.class.nickname
end

#nothing ⇒ Object

nothing actions are no-ops but by being called, prevent the default action being called



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# File 'lib/angry_mob/target.rb', line 76

def nothing(*)
  false
end

#noticing_changes(args, &blk) ⇒ Object

Executes actions with full context and all the trimmings.



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# File 'lib/angry_mob/target.rb', line 92

def noticing_changes(args,&blk)
  reset!
  @args = args

  ui.push(to_s) do
    do_validation!

    before_state
    before_call if respond_to?(:before_call)

    ui.debug "before_state=#{before_state.inspect}"

    if skip?
      ui.skipped! "skipping"
      return
    end

    # Here's the core of the target:
    if node.dry_run?
      ui.skipped! "DRY RUN: skipping action"
      return
    else
      # riiight here:
      yield
    end

    ui.debug "after_state=#{state.inspect}"

    # If the state's changed, let it be known
    if state_changed?
      changed 
      notify
      ui.ok!
    else
      ui.skipped! "target didn't change"
    end
  
  end
  self
end

#to_s ⇒ Object

Definition-time helpers



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# File 'lib/angry_mob/target.rb', line 82

def to_s
  if default_object
    "#{nickname}(#{default_object})"
  else
    "#{nickname}()"
  end
end

#ui ⇒ Object 



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# File 'lib/angry_mob/target.rb', line 69

def ui ; mob.ui  end