Create an instance in a specific subnet

import(
"context"
"fmt"
"io"
compute"cloud.google.com/go/compute/apiv1"
computepb"cloud.google.com/go/compute/apiv1/computepb"
"google.golang.org/protobuf/proto"
)
// createInstanceWithSubnet creates a new VM instance with Debian 10 operating system in specified network and subnetwork.
funccreateInstanceWithSubnet(wio.Writer,projectID,zone,instanceName,networkLink,subnetworkLinkstring)error{
// projectID := "your_project_id"
// zone := "europe-central2-b"
// instanceName := "your_instance_name"
// networkLink := "global/networks/default"
// subnetworkLink := "regions/region/subnetworks/subnetwork_name"
ctx:=context.Background()
instancesClient,err:=compute.NewInstancesRESTClient (ctx)
iferr!=nil{
returnfmt.Errorf("NewInstancesRESTClient: %w",err)
}
deferinstancesClient.Close()
imagesClient,err:=compute.NewImagesRESTClient (ctx)
iferr!=nil{
returnfmt.Errorf("NewImagesRESTClient: %w",err)
}
deferimagesClient.Close()
// List of public operating system (OS) images: https://cloud.google.com/compute/docs/images/os-details.
newestDebianReq:=&computepb.GetFromFamilyImageRequest{
Project:"debian-cloud",
Family:"debian-12",
}
newestDebian,err:=imagesClient.GetFromFamily(ctx,newestDebianReq)
iferr!=nil{
returnfmt.Errorf("unable to get image from family: %w",err)
}
req:=&computepb.InsertInstanceRequest{
Project:projectID,
Zone:zone,
InstanceResource:&computepb.Instance{
Name:proto.String(instanceName),
Disks:[]*computepb.AttachedDisk{
{
InitializeParams:&computepb.AttachedDiskInitializeParams{
DiskSizeGb:proto.Int64(10),
SourceImage:newestDebian.SelfLink,
DiskType:proto.String(fmt.Sprintf("zones/%s/diskTypes/pd-standard",zone)),
},
AutoDelete:proto.Bool(true),
Boot:proto.Bool(true),
Type:proto.String(computepb.AttachedDisk_PERSISTENT .String()),
},
},
MachineType:proto.String(fmt.Sprintf("zones/%s/machineTypes/n1-standard-1",zone)),
NetworkInterfaces:[]*computepb.NetworkInterface{
{
Name:proto.String(networkLink),
Subnetwork:proto.String(subnetworkLink),
},
},
},
}
op,err:=instancesClient.Insert(ctx,req)
iferr!=nil{
returnfmt.Errorf("unable to create instance: %w",err)
}
iferr=op.Wait(ctx);err!=nil{
returnfmt.Errorf("unable to wait for the operation: %w",err)
}
fmt.Fprintf(w,"Instance created\n")
returnnil
}

importcom.google.api.gax.longrunning.OperationFuture ;
importcom.google.cloud.compute.v1.AttachedDisk ;
importcom.google.cloud.compute.v1.AttachedDisk.Type;
importcom.google.cloud.compute.v1.AttachedDiskInitializeParams ;
importcom.google.cloud.compute.v1.Image ;
importcom.google.cloud.compute.v1.ImagesClient ;
importcom.google.cloud.compute.v1.InsertInstanceRequest ;
importcom.google.cloud.compute.v1.Instance ;
importcom.google.cloud.compute.v1.InstancesClient ;
importcom.google.cloud.compute.v1.NetworkInterface ;
importcom.google.cloud.compute.v1.Operation ;
importjava.io.IOException;
importjava.util.Vector;
importjava.util.concurrent.ExecutionException;
importjava.util.concurrent.TimeUnit;
importjava.util.concurrent.TimeoutException;
publicclass CreateInstancesAdvanced{
/**
 * Create an AttachedDisk object to be used in VM instance creation. Uses an image as the source
 * for the new disk.
 *
 * @param diskType the type of disk you want to create. This value uses the following format:
 * "zones/{zone}/diskTypes/(pd-standard|pd-ssd|pd-balanced|pd-extreme)". For example:
 * "zones/us-west3-b/diskTypes/pd-ssd"
 * @param diskSizeGb size of the new disk in gigabytes
 * @param boot boolean flag indicating whether this disk should be used as a boot disk of an
 * instance
 * @param sourceImage source image to use when creating this disk. You must have read access to
 * this disk. This can be one of the publicly available images or an image from one of your
 * projects. This value uses the following format:
 * "projects/{project_name}/global/images/{image_name}"
 * @return AttachedDisk object configured to be created using the specified image.
 */
privatestaticAttachedDisk diskFromImage(StringdiskType,intdiskSizeGb,booleanboot,
StringsourceImage){
AttachedDisk disk=
AttachedDisk .newBuilder()
.setBoot(boot)
// Remember to set auto_delete to True if you want the disk to be deleted when
// you delete your VM instance.
.setAutoDelete(true)
.setType(Type.PERSISTENT.toString())
.setInitializeParams (
AttachedDiskInitializeParams .newBuilder()
.setSourceImage(sourceImage)
.setDiskSizeGb(diskSizeGb)
.setDiskType(diskType)
.build())
.build();
returndisk;
}
/**
 * Send an instance creation request to the Compute Engine API and wait for it to complete.
 *
 * @param project project ID or project number of the Cloud project you want to use.
 * @param zone name of the zone to create the instance in. For example: "us-west3-b"
 * @param instanceName name of the new virtual machine (VM) instance.
 * @param disks a list of compute_v1.AttachedDisk objects describing the disks you want to attach
 * to your new instance.
 * @param machineType machine type of the VM being created. This value uses the following format:
 * "zones/{zone}/machineTypes/{type_name}".
 * For example: "zones/europe-west3-c/machineTypes/f1-micro"
 * @param network name of the network you want the new instance to use. For example:
 * "global/networks/default" represents the network named "default", which is created
 * automatically for each project.
 * @param subnetwork name of the subnetwork you want the new instance to use. This value uses the
 * following format: "regions/{region}/subnetworks/{subnetwork_name}"
 * @return Instance object.
 */
privatestaticInstance createWithDisks(Stringproject,Stringzone,StringinstanceName,
Vector<AttachedDisk>disks,StringmachineType,Stringnetwork,Stringsubnetwork)
throwsIOException,InterruptedException,ExecutionException,TimeoutException{
try(InstancesClient instancesClient=InstancesClient .create()){
// Use the network interface provided in the networkName argument.
NetworkInterface networkInterface;
if(subnetwork!=null){
networkInterface=NetworkInterface .newBuilder()
.setName(network).setSubnetwork(subnetwork)
.build();
}else{
networkInterface=NetworkInterface .newBuilder()
.setName(network).build();
}
machineType=String.format("zones/%s/machineTypes/%s",zone,machineType);
// Bind `instanceName`, `machineType`, `disk`, and `networkInterface` to an instance.
Instance instanceResource=
Instance .newBuilder()
.setName(instanceName)
.setMachineType(machineType)
.addAllDisks(disks)
.addNetworkInterfaces(networkInterface)
.build();
System.out.printf("Creating instance: %s at %s ",instanceName,zone);
// Insert the instance in the specified project and zone.
InsertInstanceRequest insertInstanceRequest=InsertInstanceRequest .newBuilder()
.setProject(project)
.setZone(zone)
.setInstanceResource(instanceResource).build();
OperationFuture<Operation,Operation>operation=instancesClient.insertAsync(
insertInstanceRequest);
// Wait for the operation to complete.
Operation response=operation.get(3,TimeUnit.MINUTES);
if(response.hasError ()){
System.out.println("Instance creation failed ! ! "+response);
returnnull;
}
System.out.println("Operation Status: "+response.getStatus ());
returninstancesClient.get(project,zone,instanceName);
}
}

/**
 * TODO(developer): Uncomment and replace these variables before running the sample.
 */
// const projectId = 'YOUR_PROJECT_ID';
// const zone = 'europe-central2-b';
// const instanceName = 'YOUR_INSTANCE_NAME';
// const networkLink = 'global/networks/default';
// const subnetworkLink = 'regions/europe-central2/subnetworks/default';
constcompute=require('@google-cloud/compute');
// Creates a new VM instance with Debian 10 operating system in specified network and subnetwork.
asyncfunctioncreateInstanceWithSubnet(){
constinstancesClient=newcompute.InstancesClient ();
constimagesClient=newcompute.ImagesClient ();
// List of public operating system (OS) images: https://cloud.google.com/compute/docs/images/os-details.
const[newestDebian]=awaitimagesClient.getFromFamily({
project:'debian-cloud',
family:'debian-11',
});
const[response]=awaitinstancesClient.insert({
project:projectId,
zone,
instanceResource:{
name:instanceName,
disks:[
{
initializeParams:{
diskSizeGb:'10',
sourceImage:newestDebian.selfLink,
diskType:`zones/${zone}/diskTypes/pd-standard`,
},
autoDelete:true,
boot:true,
type:'PERSISTENT',
},
],
machineType:`zones/${zone}/machineTypes/n1-standard-1`,
networkInterfaces:[
{
name:networkLink,
subnetwork:subnetworkLink,
},
],
},
});
letoperation=response.latestResponse;
constoperationsClient=newcompute.ZoneOperationsClient ();
// Wait for the create operation to complete.
while(operation.status!=='DONE'){
[operation]=awaitoperationsClient.wait({
operation:operation.name,
project:projectId,
zone:operation.zone.split('/').pop(),
});
}
console.log('Instance created.');
}
createInstanceWithSubnet();

from__future__import annotations
importre
importsys
fromtypingimport Any
importwarnings
fromgoogle.api_core.extended_operationimport ExtendedOperation
fromgoogle.cloudimport compute_v1
defget_image_from_family(project: str, family: str) -> compute_v1.Image:
"""
 Retrieve the newest image that is part of a given family in a project.
 Args:
 project: project ID or project number of the Cloud project you want to get image from.
 family: name of the image family you want to get image from.
 Returns:
 An Image object.
 """
 image_client = compute_v1.ImagesClient()
 # List of public operating system (OS) images: https://cloud.google.com/compute/docs/images/os-details
 newest_image = image_client.get_from_family(project=project, family=family)
 return newest_image
defdisk_from_image(
 disk_type: str,
 disk_size_gb: int,
 boot: bool,
 source_image: str,
 auto_delete: bool = True,
) -> compute_v1.AttachedDisk:
"""
 Create an AttachedDisk object to be used in VM instance creation. Uses an image as the
 source for the new disk.
 Args:
 disk_type: the type of disk you want to create. This value uses the following format:
 "zones/{zone}/diskTypes/(pd-standard|pd-ssd|pd-balanced|pd-extreme)".
 For example: "zones/us-west3-b/diskTypes/pd-ssd"
 disk_size_gb: size of the new disk in gigabytes
 boot: boolean flag indicating whether this disk should be used as a boot disk of an instance
 source_image: source image to use when creating this disk. You must have read access to this disk. This can be one
 of the publicly available images or an image from one of your projects.
 This value uses the following format: "projects/{project_name}/global/images/{image_name}"
 auto_delete: boolean flag indicating whether this disk should be deleted with the VM that uses it
 Returns:
 AttachedDisk object configured to be created using the specified image.
 """
 boot_disk = compute_v1.AttachedDisk()
 initialize_params = compute_v1.AttachedDiskInitializeParams()
 initialize_params.source_image = source_image
 initialize_params.disk_size_gb = disk_size_gb
 initialize_params.disk_type = disk_type
 boot_disk.initialize_params = initialize_params
 # Remember to set auto_delete to True if you want the disk to be deleted when you delete
 # your VM instance.
 boot_disk.auto_delete = auto_delete
 boot_disk.boot = boot
 return boot_disk
defwait_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
defcreate_instance(
 project_id: str,
 zone: str,
 instance_name: str,
 disks: list[compute_v1.AttachedDisk],
 machine_type: str = "n1-standard-1",
 network_link: str = "global/networks/default",
 subnetwork_link: str = None,
 internal_ip: str = None,
 external_access: bool = False,
 external_ipv4: str = None,
 accelerators: list[compute_v1.AcceleratorConfig] = None,
 preemptible: bool = False,
 spot: bool = False,
 instance_termination_action: str = "STOP",
 custom_hostname: str = None,
 delete_protection: bool = False,
) -> compute_v1.Instance:
"""
 Send an instance creation request to the Compute Engine API and wait for it to complete.
 Args:
 project_id: project ID or project number of the Cloud project you want to use.
 zone: name of the zone to create the instance in. For example: "us-west3-b"
 instance_name: name of the new virtual machine (VM) instance.
 disks: a list of compute_v1.AttachedDisk objects describing the disks
 you want to attach to your new instance.
 machine_type: machine type of the VM being created. This value uses the
 following format: "zones/{zone}/machineTypes/{type_name}".
 For example: "zones/europe-west3-c/machineTypes/f1-micro"
 network_link: name of the network you want the new instance to use.
 For example: "global/networks/default" represents the network
 named "default", which is created automatically for each project.
 subnetwork_link: name of the subnetwork you want the new instance to use.
 This value uses the following format:
 "regions/{region}/subnetworks/{subnetwork_name}"
 internal_ip: internal IP address you want to assign to the new instance.
 By default, a free address from the pool of available internal IP addresses of
 used subnet will be used.
 external_access: boolean flag indicating if the instance should have an external IPv4
 address assigned.
 external_ipv4: external IPv4 address to be assigned to this instance. If you specify
 an external IP address, it must live in the same region as the zone of the instance.
 This setting requires `external_access` to be set to True to work.
 accelerators: a list of AcceleratorConfig objects describing the accelerators that will
 be attached to the new instance.
 preemptible: boolean value indicating if the new instance should be preemptible
 or not. Preemptible VMs have been deprecated and you should now use Spot VMs.
 spot: boolean value indicating if the new instance should be a Spot VM or not.
 instance_termination_action: What action should be taken once a Spot VM is terminated.
 Possible values: "STOP", "DELETE"
 custom_hostname: Custom hostname of the new VM instance.
 Custom hostnames must conform to RFC 1035 requirements for valid hostnames.
 delete_protection: boolean value indicating if the new virtual machine should be
 protected against deletion or not.
 Returns:
 Instance object.
 """
 instance_client = compute_v1.InstancesClient()
 # Use the network interface provided in the network_link argument.
 network_interface = compute_v1.NetworkInterface()
 network_interface.network = network_link
 if subnetwork_link:
 network_interface.subnetwork = subnetwork_link
 if internal_ip:
 network_interface.network_i_p = internal_ip
 if external_access:
 access = compute_v1.AccessConfig()
 access.type_ = compute_v1.AccessConfig.Type.ONE_TO_ONE_NAT.name
 access.name = "External NAT"
 access.network_tier = access.NetworkTier.PREMIUM.name
 if external_ipv4:
 access.nat_i_p = external_ipv4
 network_interface.access_configs = [access]
 # Collect information into the Instance object.
 instance = compute_v1.Instance()
 instance.network_interfaces = [network_interface]
 instance.name = instance_name
 instance.disks = disks
 if re.match(r"^zones/[a-z\d\-]+/machineTypes/[a-z\d\-]+$", machine_type):
 instance.machine_type = machine_type
 else:
 instance.machine_type = f"zones/{zone}/machineTypes/{machine_type}"
 instance.scheduling = compute_v1.Scheduling()
 if accelerators:
 instance.guest_accelerators = accelerators
 instance.scheduling.on_host_maintenance = (
 compute_v1.Scheduling.OnHostMaintenance.TERMINATE.name
 )
 if preemptible:
 # Set the preemptible setting
 warnings.warn(
 "Preemptible VMs are being replaced by Spot VMs.", DeprecationWarning
 )
 instance.scheduling = compute_v1.Scheduling()
 instance.scheduling.preemptible = True
 if spot:
 # Set the Spot VM setting
 instance.scheduling.provisioning_model = (
 compute_v1.Scheduling.ProvisioningModel.SPOT.name
 )
 instance.scheduling.instance_termination_action = instance_termination_action
 if custom_hostname is not None:
 # Set the custom hostname for the instance
 instance.hostname = custom_hostname
 if delete_protection:
 # Set the delete protection bit
 instance.deletion_protection = True
 # Prepare the request to insert an instance.
 request = compute_v1.InsertInstanceRequest()
 request.zone = zone
 request.project = project_id
 request.instance_resource = instance
 # Wait for the create operation to complete.
 print(f"Creating the {instance_name} instance in {zone}...")
 operation = instance_client.insert(request=request)
 wait_for_extended_operation(operation, "instance creation")
 print(f"Instance {instance_name} created.")
 return instance_client.get(project=project_id, zone=zone, instance=instance_name)
defcreate_with_subnet(
 project_id: str, zone: str, instance_name: str, network_link: str, subnet_link: str
) -> compute_v1.Instance:
"""
 Create a new VM instance with Debian 10 operating system in specified network and subnetwork.
 Args:
 project_id: project ID or project number of the Cloud project you want to use.
 zone: name of the zone to create the instance in. For example: "us-west3-b"
 instance_name: name of the new virtual machine (VM) instance.
 network_link: name of the network you want the new instance to use.
 For example: "global/networks/default" represents the network
 named "default", which is created automatically for each project.
 subnetwork_link: name of the subnetwork you want the new instance to use.
 This value uses the following format:
 "regions/{region}/subnetworks/{subnetwork_name}"
 Returns:
 Instance object.
 """
 newest_debian = get_image_from_family(project="debian-cloud", family="debian-12")
 disk_type = f"zones/{zone}/diskTypes/pd-standard"
 disks = [disk_from_image(disk_type, 10, True, newest_debian.self_link)]
 instance = create_instance(
 project_id,
 zone,
 instance_name,
 disks,
 network_link=network_link,
 subnetwork_link=subnet_link,
 )
 return instance