Testing icontrol-0.3.9 VirtualServer creation and destroy. The F5 has firmware version: BIG-IP 11.3.0 Build 2968.0 Hotfix HF1

gistfile1.rb

require 'icontrol'
require 'awesome_print'
require 'yaml'

IControl.config = { user: 'admin', password: 'secret', base_url: 'https://192.168.0.60' }
ap IControl::LocalLB::VirtualServer.find(:all)
puts

manifest = {
  :definition          => {
    :address           => '10.10.10.10',
    :name              => 'testing_server',
    :port              => '80',
    :protocol          => IControl::Common::ProtocolType::PROTOCOL_TCP
  },
  :wildmask            => '255.255.255.255',
  :resource            => {
    :type              => IControl::LocalLB::VirtualServer::VirtualServerType::RESOURCE_TYPE_POOL,
    :default_pool_name => ''
  },
  :profiles            => []
}

IControl::LocalLB::VirtualServer.create manifest

name = '/Common/' + manifest[:definition][:name]

virtual_server = IControl::LocalLB::VirtualServer.find name
ap virtual_server
puts

ap IControl::LocalLB::VirtualServer.find(:all)
puts

virtual_server.destroy

################################
# output:
#
# [
#     [0] #<IControl::LocalLB::VirtualServer:0x00000002d3dc48 @attributes={:id=>"/Common/test-udp-server"}>,
#     [1] #<IControl::LocalLB::VirtualServer:0x00000002d3dae0 @attributes={:id=>"/Common/test-tcp-vserver"}>
# ]
# 
# #<IControl::LocalLB::VirtualServer:0x00000002872c40 @attributes={:id=>"/Common/testing_server"}>
# 
# [
#     [0] #<IControl::LocalLB::VirtualServer:0x0000000258d160 @attributes={:id=>"/Common/test-udp-server"}>,
#     [1] #<IControl::LocalLB::VirtualServer:0x0000000258d098 @attributes={:id=>"/Common/test-tcp-vserver"}>,
#     [2] #<IControl::LocalLB::VirtualServer:0x0000000258cf80 @attributes={:id=>"/Common/testing_server"}>
# ]
# 
# /usr/local/rvm/gems/ruby-1.9.3-p392/gems/icontrol-0.3.9/lib/icontrol/base.rb:251:in `method_missing': undefined method # `destroy' for IControl::LocalLB::VirtualServer:Class (NoMethodError)
# 	from /usr/local/rvm/gems/ruby-1.9.3-p392/gems/icontrol-0.3.9/lib/icontrol/base.rb:303:in `method_missing'
# 	from bla.rb:35:in `<main>'
# 

virtual_server.delete_virtual_server should do. http://magec.es/icontrol/IControl/LocalLB/VirtualServer.html#delete_virtual_server-instance_method