This sample creates a new route in a selected network by providing a destination and next hop name. ## Explore further For detailed documentation that includes this code sample, see the following: - [Use routes](https://docs.cloud.google.com/vpc/docs/using-routes) ## Code sample ### Go Before trying this sample, follow the Go setup instructions in the [Compute Engine quickstart using client libraries](https://docs.cloud.google.com/compute/docs/api/using-libraries). For more information, see the [Compute Engine Go API reference documentation](https://docs.cloud.google.com/go/docs/reference/cloud.google.com/go/compute/latest/apiv1). To authenticate to Compute Engine, set up Application Default Credentials. For more information, see [Set up authentication for a local development environment](https://docs.cloud.google.com/docs/authentication/set-up-adc-local-dev-environment). import ( "context" "fmt" "io" compute "cloud.google.com/go/compute/apiv1" computepb "cloud.google.com/go/compute/apiv1/computepb" "google.golang.org/protobuf/proto" ) // createRoute creates a route with given name inside given project. func createRoute(w io.Writer, projectID, name string) error { // projectID := "your_project_id" // name := "testname" ctx := context.Background() client, err := compute.https://docs.cloud.google.com/go/docs/reference/cloud.google.com/go/compute/latest/apiv1.html#cloud_google_com_go_compute_apiv1_RoutesClient_NewRoutesRESTClient(ctx) if err != nil { return fmt.Errorf("NewRoutesRESTClient: %w", err) } defer client.Close() route := &computepb.Route{ Name: proto.String(name), Network: proto.String("global/networks/default"), DestRange: proto.String("0.0.0.0/0"), NextHopGateway: proto.String("global/gateways/default-internet-gateway"), } req := &computepb.InsertRouteRequest{ Project: projectID, RouteResource: route, } op, err := client.Insert(ctx, req) if err != nil { return fmt.Errorf("unable to insert a route: %w", err) } if err := op.Wait(ctx); err != nil { return fmt.Errorf("unable to wait for the operation: %w", err) } fmt.Fprintf(w, "Route created\n") return nil } ### Java Before trying this sample, follow the Java setup instructions in the [Compute Engine quickstart using client libraries](https://docs.cloud.google.com/compute/docs/api/using-libraries). For more information, see the [Compute Engine Java API reference documentation](https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/overview). To authenticate to Compute Engine, set up Application Default Credentials. For more information, see [Set up authentication for a local development environment](https://docs.cloud.google.com/docs/authentication/set-up-adc-local-dev-environment). import com.google.cloud.compute.v1.https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.InsertRouteRequest.html; import com.google.cloud.compute.v1.https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Operation.html; import com.google.cloud.compute.v1.https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Route.html; import com.google.cloud.compute.v1.https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.RoutesClient.html; import java.io.IOException; import java.util.UUID; import java.util.concurrent.ExecutionException; import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeoutException; public class CreateRoute { public static void main(String[] args) throws IOException, ExecutionException, InterruptedException, TimeoutException { // TODO(developer): Replace these variables before running the sample. // Project ID or project number of the Cloud project you want to use. String projectId = "your-project-id"; // Route name you want to use. String routeName = "your-route-name"; createRoute(projectId, routeName); } // Create route for a project. public static https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Operation.html.https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Status.html createRoute(String projectId, String routeName) throws IOException, ExecutionException, InterruptedException, TimeoutException { // Initialize client that will be used to send requests. This client only needs to be created // once, and can be reused for multiple requests. try (https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.RoutesClient.html routesClient = https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.RoutesClient.html.create()) { String nextHopGateway = String.format("projects/%s/global/gateways/default-internet-gateway", projectId); https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Route.html route = https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Route.html.newBuilder() .setName(routeName) .setDestRange("10.0.0.0/16") .setNetwork("global/networks/default") .https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Route.Builder.html#com_google_cloud_compute_v1_Route_Builder_setNextHopGateway_java_lang_String_(nextHopGateway) .build(); https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.InsertRouteRequest.html request = https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.InsertRouteRequest.html.newBuilder() .setProject(projectId) .setRequestId(UUID.randomUUID().toString()) .https://docs.cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.InsertRouteRequest.Builder.html#com_google_cloud_compute_v1_InsertRouteRequest_Builder_setRouteResource_com_google_cloud_compute_v1_Route_(route) .build(); return routesClient.insertCallable().futureCall(request) .get(30, TimeUnit.SECONDS).getStatus(); } } } ### Python Before trying this sample, follow the Python setup instructions in the [Compute Engine quickstart using client libraries](https://docs.cloud.google.com/compute/docs/api/using-libraries). For more information, see the [Compute Engine Python API reference documentation](https://docs.cloud.google.com/python/docs/reference/compute/latest). To authenticate to Compute Engine, set up Application Default Credentials. For more information, see [Set up authentication for a local development environment](https://docs.cloud.google.com/docs/authentication/set-up-adc-local-dev-environment). from __future__ import annotations import sys from typing import Any from google.api_core.extended_operation import ExtendedOperation from google.cloud import https://docs.cloud.google.com/python/docs/reference/compute/latest def wait_for_extended_operation( operation: ExtendedOperation, verbose_name: str = "operation", timeout: int = 300 ) -> Any: """ Waits for the extended (long-running) operation to complete. If the operation is successful, it will return its result. If the operation ends with an error, an exception will be raised. If there were any warnings during the execution of the operation they will be printed to sys.stderr. Args: operation: a long-running operation you want to wait on. verbose_name: (optional) a more verbose name of the operation, used only during error and warning reporting. timeout: how long (in seconds) to wait for operation to finish. If None, wait indefinitely. Returns: Whatever the operation.result() returns. Raises: This method will raise the exception received from `operation.exception()` or RuntimeError if there is no exception set, but there is an `error_code` set for the `operation`. In case of an operation taking longer than `timeout` seconds to complete, a `concurrent.futures.TimeoutError` will be raised. """ result = operation.result(timeout=timeout) if operation.error_code: print( f"Error during {verbose_name}: [Code: {operation.error_code}]: {operation.error_message}", file=sys.stderr, flush=True, ) print(f"Operation ID: {operation.name}", file=sys.stderr, flush=True) raise operation.exception() or RuntimeError(operation.error_message) if operation.warnings: print(f"Warnings during {verbose_name}:\n", file=sys.stderr, flush=True) for warning in operation.warnings: print(f" - {warning.code}: {warning.message}", file=sys.stderr, flush=True) return result def create_route( project_id: str, network: str, route_name: str, destination_range: str, *, next_hop_gateway: str | None = None, next_hop_ip: str | None = None, next_hop_instance: str | None = None, next_hop_vpn_tunnel: str | None = None, next_hop_ilb: str | None = None, ) -> compute_v1.Route: """ Create a new route in selected network by providing a destination and next hop name. Note: The set of {next_hop_gateway, next_hop_ip, next_hop_instance, next_hop_vpn_tunnel, next_hop_ilb} is exclusive, you and only specify one of those parameters. Args: project_id: project ID or project number of the Cloud project you want to use. network: name of the network the route will be created in. Available name formats: * https://www.googleapis.com/compute/v1/projects/{project_id}/global/networks/{network} * projects/{project_id}/global/networks/{network} * global/networks/{network} route_name: name of the new route. destination_range: range of destination IPs this route should be applied to. E.g. 10.0.0.0/16. next_hop_gateway: name of the gateway the traffic should be directed to. next_hop_ip: IP address the traffic should be directed to. next_hop_instance: name of the instance the traffic should be directed to. Name format: "projects/{project}/zones/{zone}/instances/{instance_name}" next_hop_vpn_tunnel: name of the VPN tunnel the traffic should be directed to. Name format: "projects/{project}/regions/{region}/vpnTunnels/{vpn_tunnel_name}" next_hop_ilb: name of a forwarding rule of the Internal Load Balancer the traffic should be directed to. Name format: "projects/{project}/regions/{region}/forwardingRules/{forwarding_rule_region}" Returns: A new compute_v1.Route object. """ excl_args = { next_hop_instance, next_hop_ilb, next_hop_vpn_tunnel, next_hop_gateway, next_hop_ip, } args_set = sum(1 if arg is not None else 0 for arg in excl_args) if args_set != 1: raise RuntimeError("You must specify exactly one next_hop_* parameter.") route = https://docs.cloud.google.com/python/docs/reference/compute/latest.https://docs.cloud.google.com/python/docs/reference/compute/latest/google.cloud.compute_v1.types.Route.html() route.name = route_name route.network = network route.dest_range = destination_range if next_hop_gateway: route.next_hop_gateway = next_hop_gateway elif next_hop_ip: route.next_hop_ip = next_hop_ip elif next_hop_instance: route.next_hop_instance = next_hop_instance elif next_hop_vpn_tunnel: route.next_hop_vpn_tunnel = next_hop_vpn_tunnel elif next_hop_ilb: route.next_hop_ilb = next_hop_ilb route_client = https://docs.cloud.google.com/python/docs/reference/compute/latest.https://docs.cloud.google.com/python/docs/reference/compute/latest/google.cloud.compute_v1.services.routes.RoutesClient.html() operation = route_client.https://docs.cloud.google.com/python/docs/reference/compute/latest/google.cloud.compute_v1.services.routes.RoutesClient.html#google_cloud_compute_v1_services_routes_RoutesClient_insert(project=project_id, route_resource=route) wait_for_extended_operation(operation, "route creation") return route_client.https://docs.cloud.google.com/python/docs/reference/compute/latest/google.cloud.compute_v1.services.routes.RoutesClient.html#google_cloud_compute_v1_services_routes_RoutesClient_get(project=project_id, route=route_name) ## What's next To search and filter code samples for other Google Cloud products, see the [Google Cloud sample browser](https://docs.cloud.google.com/docs/samples?product=computeengine).