def create_route(route_table_id, destination_cidr_block, internet_gateway_id=nil, instance_id=nil, network_interface_id=nil)
instance_owner_id = nil
route_table = self.data[:route_tables].find { |routetable| routetable["routeTableId"].eql? route_table_id }
if !route_table.nil? && destination_cidr_block
if !internet_gateway_id.nil? || !instance_id.nil? || !network_interface_id.nil?
if !internet_gateway_id.nil? && self.internet_gateways.all('internet-gateway-id'=>internet_gateway_id).first.nil?
raise Fog::Compute::AWS::NotFound.new("The gateway ID '#{internet_gateway_id}' does not exist")
elsif !instance_id.nil? && self.servers.all('instance-id'=>instance_id).first.nil?
raise Fog::Compute::AWS::NotFound.new("The instance ID '#{instance_id}' does not exist")
elsif !network_interface_id.nil? && self.network_interfaces.all('networkInterfaceId'=>network_interface_id).first.nil?
raise Fog::Compute::AWS::NotFound.new("The networkInterface ID '#{network_interface_id}' does not exist")
elsif !route_table['routeSet'].find { |route| route['destinationCidrBlock'].eql? destination_cidr_block }.nil?
raise Fog::Compute::AWS::Error, "RouteAlreadyExists => The route identified by #{destination_cidr_block} already exists."
else
response = Excon::Response.new
route_table['routeSet'].push({
"destinationCidrBlock" => destination_cidr_block,
"gatewayId" => internet_gateway_id,
"instanceId"=>instance_id,
"instanceOwnerId"=>instance_owner_id,
"networkInterfaceId"=>network_interface_id,
"state" => "pending",
"origin" => "CreateRoute"
})
response.status = 200
response.body = {
'requestId'=> Fog::AWS::Mock.request_id,
'return' => true
}
response
end
else
message = 'MissingParameter => '
message << 'The request must contain either a gateway id, a network interface id, or an instance id'
raise Fog::Compute::AWS::Error.new(message)
end
elsif route_table.nil?
raise Fog::Compute::AWS::NotFound.new("The routeTable ID '#{route_table_id}' does not exist")
elsif destination_cidr_block.empty?
raise Fog::Compute::AWS::InvalidParameterValue.new("Value () for parameter destinationCidrBlock is invalid. This is not a valid CIDR block.")
end
end