Class: BuildCloud::NetworkInterface

Inherits:
Object
  • Object
show all
Includes:
Component
Defined in:
lib/build-cloud/networkinterface.rb

Constant Summary collapse

@@objects = 
[]

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Component

included

Constructor Details

#initialize(fog_interfaces, log, options = {}) ⇒ NetworkInterface

Returns a new instance of NetworkInterface.



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# File 'lib/build-cloud/networkinterface.rb', line 25

def initialize ( fog_interfaces, log, options = {} )

    @compute = fog_interfaces[:compute]
    @log     = log
    @options = options

    @log.debug( options.inspect )

    required_options(:name, :private_ip_address)
    require_one_of(:subnet_id, :subnet_name)
    require_one_of(:security_groups, :security_group_names)

end

Class Method Details

.get_id_by_name(name) ⇒ Object 



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# File 'lib/build-cloud/networkinterface.rb', line 7

def self.get_id_by_name( name )

    interface = self.search( :name => name ).first

    unless interface
        raise "Couldn't get an NetworkInterface object for #{name} - is it defined?"
    end

    interface_fog = interface.read

    unless interface_fog
        raise "Couldn't get a NetworkInterface fog object for #{name} - is it created?"
    end

    interface_fog.network_interface_id

end

Instance Method Details

#create ⇒ Object 



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# File 'lib/build-cloud/networkinterface.rb', line 39

def create
    
    return if exists?

    @log.info( "Creating network interface #{@options[:private_ip_address]}" )

    options = @options.dup

    unless options[:subnet_id]

        options[:subnet_id] = BuildCloud::Subnet.get_id_by_name( options[:subnet_name] )
        options.delete(:subnet_name)

    end

    unless options[:security_groups]

        options[:group_set] = []

        options[:security_group_names].each do |sg|
            options[:group_set] << BuildCloud::SecurityGroup.get_id_by_name( sg )
        end

        options.delete(:security_group_names)

    end

    options[:description] = options[:name]
    options.delete(:name)

    interface = @compute.network_interfaces.new(options)
    interface.save
    wait_until_ready

    attributes = {}
    attributes[:resource_id] = interface.network_interface_id
    attributes[:key] = 'Name'
    attributes[:value] = options[:description]
    interface_tag = @compute.tags.new( attributes )
    interface_tag.save

    if options[:assign_new_public_ip] and ! options[:existing_public_ip].nil?
        raise "Cannot specifiy both new and existing IP addresses"
    end

    if options[:assign_new_public_ip]
        ### Need to use the request here, in order to support older accounts which still have
        ### 'EC2 Classic' regions/azs assigned
        ip = @compute.allocate_address(domain='vpc')
        public_ip = ip.body['publicIp']
        allocation_id = ip.body['allocationId']
        @compute.associate_address(nil, public_ip, interface.network_interface_id, allocation_id )

        @log.info( "Assigned new public IP #{public_ip}" )
    end

    unless options[:existing_public_ip].nil?
        ip = @compute.addresses.get(options[:existing_public_ip])
        public_ip = ip.public_ip
        allocation_id = ip.allocation_id
        @compute.associate_address(nil, ip.public_ip, interface.network_interface_id, allocation_id )
    end

    @log.debug( interface.inspect )
    @log.debug( interface_tag.inspect )
    @log.debug( ip.inspect ) unless ! options[:assign_new_public_ip]
    @log.debug( ip.inspect ) unless options[:existing_public_ip].nil?

end

#delete ⇒ Object 



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# File 'lib/build-cloud/networkinterface.rb', line 115

def delete

    return unless exists?

    @log.info( "Deleting network interface with IP address #{@options[:private_ip_address]}" )

    fog_object.destroy

end

#read ⇒ Object Also known as: fog_object 



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# File 'lib/build-cloud/networkinterface.rb', line 109

def read
    @compute.network_interfaces.select { |ni| ni.private_ip_address == @options[:private_ip_address]}.first
end