Class: Clusterfuck::SubnetFactory

Inherits:
Object
  • Object
show all
Defined in:
lib/clusterfuck/subnet_factory.rb

Constant Summary collapse

START_SUBNET = 
"10.0.39.0/24"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(last_ip) ⇒ SubnetFactory

Returns a new instance of SubnetFactory.



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# File 'lib/clusterfuck/subnet_factory.rb', line 8

def initialize(last_ip)
  @last_ip = last_ip
end

Instance Attribute Details

#last_ip ⇒ Object (readonly)

Returns the value of attribute last_ip.



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# File 'lib/clusterfuck/subnet_factory.rb', line 3

def last_ip
  @last_ip
end

Class Method Details

.next_subnet(cidr = 24) ⇒ Object 



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# File 'lib/clusterfuck/subnet_factory.rb', line 16

def self.next_subnet(cidr = 24)
  # `succ` twice to start at x.x.2.1, for example:
  # 10.0.39.1 -> 10.0.40.1
  @previous = @previous.mask(cidr).to_range.last.succ.succ
  SubnetFactory.new(@previous)
end

.reset ⇒ Object 



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# File 'lib/clusterfuck/subnet_factory.rb', line 23

def self.reset
  @previous = IPAddr.new(START_SUBNET)
end

Instance Method Details

#next_ip ⇒ Object 



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# File 'lib/clusterfuck/subnet_factory.rb', line 12

def next_ip
  @last_ip = @last_ip.succ
end