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Class: AWS::EMR::InstanceGroup

Inherits:
Core::Resource
  • Object
show all
Defined in:
lib/aws/emr/instance_group.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#bid_price ⇒ String? (readonly)

Returns the current value of bid_price

Returns:

  • (String, nil) —

    the current value of bid_price



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# File 'lib/aws/emr/instance_group.rb', line 41

def bid_price
  @bid_price
end

#created_at ⇒ Time (readonly)

Returns the current value of created_at

Returns:

  • (Time) —

    the current value of created_at



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# File 'lib/aws/emr/instance_group.rb', line 41

def created_at
  @created_at
end

#ended_at ⇒ Time (readonly)

Returns the current value of ended_at

Returns:

  • (Time) —

    the current value of ended_at



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# File 'lib/aws/emr/instance_group.rb', line 41

def ended_at
  @ended_at
end

#instance_group_id ⇒ String (readonly) Also known as: id

Returns:

  • (String) 


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# File 'lib/aws/emr/instance_group.rb', line 54

def instance_group_id
  @instance_group_id
end

#instance_request_count ⇒ String (readonly)

Returns the current value of instance_request_count

Returns:

  • (String) —

    the current value of instance_request_count



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# File 'lib/aws/emr/instance_group.rb', line 41

def instance_request_count
  @instance_request_count
end

#instance_role ⇒ String (readonly)

Returns the current value of instance_role

Returns:

  • (String) —

    the current value of instance_role



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# File 'lib/aws/emr/instance_group.rb', line 41

def instance_role
  @instance_role
end

#instance_running_count ⇒ String (readonly)

Returns the current value of instance_running_count

Returns:

  • (String) —

    the current value of instance_running_count



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# File 'lib/aws/emr/instance_group.rb', line 41

def instance_running_count
  @instance_running_count
end

#instance_type ⇒ String (readonly)

Returns the current value of instance_type

Returns:

  • (String) —

    the current value of instance_type



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# File 'lib/aws/emr/instance_group.rb', line 41

def instance_type
  @instance_type
end

#job_flow ⇒ JobFlow (readonly)

Returns:



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# File 'lib/aws/emr/instance_group.rb', line 51

def job_flow
  @job_flow
end

#last_state_change_reason ⇒ String (readonly)

Returns the current value of last_state_change_reason

Returns:

  • (String) —

    the current value of last_state_change_reason



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# File 'lib/aws/emr/instance_group.rb', line 41

def last_state_change_reason
  @last_state_change_reason
end

#market ⇒ String (readonly)

Returns the current value of market

Returns:

  • (String) —

    the current value of market



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# File 'lib/aws/emr/instance_group.rb', line 41

def market
  @market
end

#ready_at ⇒ Time (readonly)

Returns the current value of ready_at

Returns:

  • (Time) —

    the current value of ready_at



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# File 'lib/aws/emr/instance_group.rb', line 41

def ready_at
  @ready_at
end

#started_at ⇒ Time (readonly)

Returns the current value of started_at

Returns:

  • (Time) —

    the current value of started_at



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# File 'lib/aws/emr/instance_group.rb', line 41

def started_at
  @started_at
end

#state ⇒ String (readonly)

Returns the current value of state

Returns:

  • (String) —

    the current value of state



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# File 'lib/aws/emr/instance_group.rb', line 41

def state
  @state
end

Instance Method Details

#exists? ⇒ Boolean

Returns true if the instance group exists.

Returns:

  • (Boolean) —

    Returns true if the instance group exists.



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# File 'lib/aws/emr/instance_group.rb', line 108

def exists?
  !!find_in_response(get_resource)
end

#modify(options = {}) ⇒ nil

Parameters:

  • options (Hash) (defaults to: {})

Options Hash (options):

  • :count (Integer) —

    The new target size for the instance group.

Returns:

  • (nil) 


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# File 'lib/aws/emr/instance_group.rb', line 100

def modify options = {}
  options[:instance_group_id] = instance_group_id
  options[:instance_count] = options.delete(:count) if options[:count]
  client.modify_instance_groups(:instance_groups => [options])
  nil
end

#set_instance_count(count) ⇒ nil

Modifies the target size of this instance group.

Parameters:

  • count (Integer)

Returns:

  • (nil) 


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# File 'lib/aws/emr/instance_group.rb', line 92

def set_instance_count count
  modify(:instance_count => count)
end