Class: CfFactory::BaseVpc

Inherits:
Object
  • Object
show all
Defined in:
lib/cf_factory/modules/base_vpc.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, cidr, number_public_subnets, number_private_subnets, availability_zones, subnet_size = 256) ⇒ BaseVpc

Returns a new instance of BaseVpc.



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# File 'lib/cf_factory/modules/base_vpc.rb', line 5

def initialize(name, cidr, number_public_subnets, number_private_subnets, availability_zones, subnet_size = 256)
  @name = name
  @cidr = cidr
  @number_public_subnets = number_public_subnets
  @number_private_subnets = number_private_subnets
  @subnet_size = subnet_size  
  @availability_zones = availability_zones
  setup()    
end

Instance Attribute Details

#private_route_table ⇒ Object (readonly)

Returns the value of attribute private_route_table.



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# File 'lib/cf_factory/modules/base_vpc.rb', line 3

def private_route_table
  @private_route_table
end

#public_route_table ⇒ Object (readonly)

Returns the value of attribute public_route_table.



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# File 'lib/cf_factory/modules/base_vpc.rb', line 3

def public_route_table
  @public_route_table
end

#subnets ⇒ Object (readonly)

Returns the value of attribute subnets.



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# File 'lib/cf_factory/modules/base_vpc.rb', line 3

def subnets
  @subnets
end

#vpc ⇒ Object (readonly)

Returns the value of attribute vpc.



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# File 'lib/cf_factory/modules/base_vpc.rb', line 3

def vpc
  @vpc
end

Instance Method Details

#add_to_template(cf) ⇒ Object 



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# File 'lib/cf_factory/modules/base_vpc.rb', line 15

def add_to_template(cf)
  cf.add_vpc(@vpc)
end

#define_subnets ⇒ Object 



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# File 'lib/cf_factory/modules/base_vpc.rb', line 36

def define_subnets
  myMask = IpMask.create_from_cidr(@cidr)
  puts "myMask = #{myMask.inspect}"
  divider_array = [@subnet_size]*(@number_public_subnets + @number_private_subnets)
  puts "divider_array = #{divider_array}"
  subnet_ranges = myMask.divide_individually(divider_array)
  puts "subnet ranges = #{subnet_ranges.inspect}"
  @subnets = []
  0.upto(@number_public_subnets-1) do |i| 
    @vpc.add_subnet(CfSubnet.new("#{@name}PublicSubnet#{i+1}", @cidr, @availability_zones[i%(@availability_zones.size)], @public_route_table))  
  end
  0.upto(@number_private_subnets-1) do |i| 
    @vpc.add_subnet(CfSubnet.new("#{@name}PrivateSubnet#{i+1}", @cidr, @availability_zones[i%(@availability_zones.size)], @private_route_table))  
  end    
end

#define_vpc ⇒ Object 



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# File 'lib/cf_factory/modules/base_vpc.rb', line 24

def define_vpc
  @vpc = CfVpc.new(@cidr)
  igw = CfInternetGateway.new("#{@name}Igw", @vpc)
  @vpc.add_internet_gateway(igw)
  @private_route_table = CfRouteTable.new("#{@name}PrivRt")
  @vpc.add_route_table(@private_route_table)
  @public_route_table = CfRouteTable.new("#{@name}PubRt")
  igw_route = CfRoute.new("IgwRoute", "0.0.0.0/0", igw)
  @public_route_table.add_route(igw_route)
  @vpc.add_route_table(@public_route_table)
end

#ip2num(ip_part) ⇒ Object 



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# File 'lib/cf_factory/modules/base_vpc.rb', line 52

def ip2num(ip_part)
  sum = 0
  exp = 3
  ip_part.split(".").each() {|ip|
    sum += ip.to_i * (256 ** exp)
    exp -= 1
  }
  sum
end

#setup ⇒ Object 



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# File 'lib/cf_factory/modules/base_vpc.rb', line 19

def setup
  define_vpc()
  define_subnets()
end