def associate_address(instance_id, public_ip)
response = Excon::Response.new
response.status = 200
instance = self.data[:instances][instance_id]
address = self.data[:addresses][public_ip]
if instance && address
address['instanceId'] = instance_id
instance['originalIpAddress'] = instance['ipAddress']
if self.data[:addresses][instance['originalIpAddress']]
self.data[:addresses][instance['originalIpAddress']]['instanceId'] = nil
end
instance['ipAddress'] = public_ip
instance['dnsName'] = Fog::AWS::Mock.dns_name_for(public_ip)
response.status = 200
response.body = {
'requestId' => Fog::AWS::Mock.request_id,
'return' => true
}
response
elsif !instance
raise Fog::Compute::AWS::NotFound.new("The instance ID '#{instance_id}' does not exist")
elsif !address
raise Fog::Compute::AWS::Error.new("AuthFailure => The address '#{public_ip}' does not belong to you.")
end
end