resource "google_compute_instance" "custom_hostname_instance" {  name         = "custom-hostname-instance-name"  machine_type = "f1-micro"  zone         = "us-central1-c"  # Set a custom hostname below  hostname = "hashicorptest.com"  boot_disk {    initialize_params {      image = "debian-cloud/debian-11"    }  }  network_interface {    # A default network is created for all GCP projects    network = "default"    access_config {    }  }}

import("context""fmt""io"compute"cloud.google.com/go/compute/apiv1"computepb"cloud.google.com/go/compute/apiv1/computepb""google.golang.org/protobuf/proto")// createInstanceWithCustomHostname creates an instance with custom hostname.funccreateInstanceWithCustomHostname(wio.Writer,projectID,zone,instanceName,hostname,machineType,sourceImage,networkNamestring)error{// projectID := "your_project_id"// zone := "europe-central2-b"// instanceName := "your_instance_name"// hostname := "host.example.com" // Custom hostnames must conform to RFC 1035 requirements for valid hostnames.// machineType := "n1-standard-1"// sourceImage := "projects/debian-cloud/global/images/family/debian-12"// networkName := "global/networks/default"ctx:=context.Background()instancesClient,err:=compute.NewInstancesRESTClient(ctx)iferr!=nil{returnfmt.Errorf("NewInstancesRESTClient: %w",err)}deferinstancesClient.Close()req:=&computepb.InsertInstanceRequest{Project:projectID,Zone:zone,InstanceResource:&computepb.Instance{Name:proto.String(instanceName),// Custom hostnames are not resolved by the automatically created records// provided by Compute Engine internal DNS.// You must manually configure the DNS record for your custom hostname.Hostname:proto.String(hostname),Disks:[]*computepb.AttachedDisk{{// Describe the size and source image of the boot disk to attach to the instance.InitializeParams:&computepb.AttachedDiskInitializeParams{DiskSizeGb:proto.Int64(10),SourceImage:proto.String(sourceImage),},AutoDelete:proto.Bool(true),Boot:proto.Bool(true),Type:proto.String(computepb.AttachedDisk_PERSISTENT.String()),},},MachineType:proto.String(fmt.Sprintf("zones/%s/machineTypes/%s",zone,machineType)),NetworkInterfaces:[]*computepb.NetworkInterface{{// Use the network interface provided in the networkName argument.Name:proto.String(networkName),},},},}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.cloud.compute.v1.AttachedDisk;importcom.google.cloud.compute.v1.AttachedDiskInitializeParams;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.concurrent.ExecutionException;importjava.util.concurrent.TimeUnit;importjava.util.concurrent.TimeoutException;publicclassCreateInstanceWithCustomHostname{publicstaticvoidmain(String[]args)throwsIOException,ExecutionException,InterruptedException,TimeoutException{// TODO(developer): Replace these variables before running the sample.// hostName: Custom hostname of the new VM instance.// *    Custom hostnames must conform to RFC 1035 requirements for valid hostnames.Stringproject="your-project-id";Stringzone="zone-name";// eg: "us-central1-a"StringinstanceName="instance-name";StringhostName="host.example.com";createInstanceWithCustomHostname(project,zone,instanceName,hostName);}// Creates an instance with custom hostname.publicstaticvoidcreateInstanceWithCustomHostname(StringprojectId,Stringzone,StringinstanceName,StringhostName)throwsIOException,ExecutionException,InterruptedException,TimeoutException{//  machineType - Machine type for the VM instance specified in the following format://  *    "zones/{zone}/machineTypes/{type_name}". For example://  *    "zones/europe-west3-c/machineTypes/f1-micro"//  *    You can find the list of available machine types by using this gcloud command://  *    $ gcloud compute machine-types list//  sourceImage - Path of the disk image you want to use for your boot//  *    disk. This image can be one of the public images//  *    eg: "projects/...//  *    or a private image you have access to.//  *    You can check the list of available public images using://  *    $ gcloud compute images list//  networkName - Name of the network you want the new instance to use.//  *    For example: global/networks/default - if you want to use the default network.StringmachineType="n1-standard-1";StringsourceImage=String.format("projects/%s/global/images/family/%s","debian-cloud","debian-11");StringnetworkName="global/networks/default";try(InstancesClientinstancesClient=InstancesClient.create()){System.out.printf("Creating the %s instance in %s with hostname %s...",instanceName,zone,hostName);AttachedDiskdisk=AttachedDisk.newBuilder().setBoot(true).setAutoDelete(true).setType(AttachedDisk.Type.PERSISTENT.toString()).setInitializeParams(// Describe the size and source image of the boot disk to attach to the instance.AttachedDiskInitializeParams.newBuilder().setSourceImage(sourceImage).setDiskSizeGb(10).build()).build();// Use the network interface provided in the networkName argument.NetworkInterfacenetworkInterface=NetworkInterface.newBuilder().setName(networkName).build();InstanceinstanceResource=Instance.newBuilder()// Custom hostnames are not resolved by the automatically created records// provided by Compute Engine internal DNS.// You must manually configure the DNS record for your custom hostname..setName(instanceName).setHostname(hostName).addDisks(disk).setMachineType(String.format("zones/%s/machineTypes/%s",zone,machineType)).addNetworkInterfaces(networkInterface).build();InsertInstanceRequestrequest=InsertInstanceRequest.newBuilder().setProject(projectId).setZone(zone).setInstanceResource(instanceResource).build();// Wait for the create operation to complete.Operationresponse=instancesClient.insertAsync(request).get(3,TimeUnit.MINUTES);;if(response.hasError()){System.out.printf("Instance creation failed for instance: %s ; Response: %s ! ! ",instanceName,response);return;}System.out.printf("Instance created : %s",instanceName);System.out.printf("Operation Status for instance %s is %s: ",instanceName,response.getStatus());}}}

/** * 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 hostname = 'host.example.com'// const machineType = 'n1-standard-1';// const sourceImage = 'projects/debian-cloud/global/images/family/debian-11';// const networkName = 'global/networks/default';constcompute=require('@google-cloud/compute');// Create a new instance with the values provided above in the specified project and zone.asyncfunctioncreateInstanceWithCustomHostname(){constinstancesClient=newcompute.InstancesClient();console.log(`Creating the${instanceName} instance in${zone} with hostname${hostname}...`);const[response]=awaitinstancesClient.insert({instanceResource:{name:instanceName,// Custom hostnames are not resolved by the automatically created records// provided by Compute Engine internal DNS.// You must manually configure the DNS record for your custom hostname.hostname,disks:[{// Describe the size and source image of the boot disk to attach to the instance.initializeParams:{diskSizeGb:'10',sourceImage,},autoDelete:true,boot:true,type:'PERSISTENT',},],machineType:`zones/${zone}/machineTypes/${machineType}`,networkInterfaces:[{// Use the network interface provided in the networkName argument.name:networkName,},],},project:projectId,zone,});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.');}createInstanceWithCustomHostname();

from__future__importannotationsimportreimportsysfromtypingimportAnyimportwarningsfromgoogle.api_core.extended_operationimportExtendedOperationfromgoogle.cloudimportcompute_v1defget_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-detailsnewest_image=image_client.get_from_family(project=project,family=family)returnnewest_imagedefdisk_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_imageinitialize_params.disk_size_gb=disk_size_gbinitialize_params.disk_type=disk_typeboot_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_deleteboot_disk.boot=bootreturnboot_diskdefwait_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)ifoperation.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)raiseoperation.exception()orRuntimeError(operation.error_message)ifoperation.warnings:print(f"Warnings during{verbose_name}:\n",file=sys.stderr,flush=True)forwarninginoperation.warnings:print(f" -{warning.code}:{warning.message}",file=sys.stderr,flush=True)returnresultdefcreate_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_linkifsubnetwork_link:network_interface.subnetwork=subnetwork_linkifinternal_ip:network_interface.network_i_p=internal_ipifexternal_access:access=compute_v1.AccessConfig()access.type_=compute_v1.AccessConfig.Type.ONE_TO_ONE_NAT.nameaccess.name="External NAT"access.network_tier=access.NetworkTier.PREMIUM.nameifexternal_ipv4:access.nat_i_p=external_ipv4network_interface.access_configs=[access]# Collect information into the Instance object.instance=compute_v1.Instance()instance.network_interfaces=[network_interface]instance.name=instance_nameinstance.disks=disksifre.match(r"^zones/[a-z\d\-]+/machineTypes/[a-z\d\-]+$",machine_type):instance.machine_type=machine_typeelse:instance.machine_type=f"zones/{zone}/machineTypes/{machine_type}"instance.scheduling=compute_v1.Scheduling()ifaccelerators:instance.guest_accelerators=acceleratorsinstance.scheduling.on_host_maintenance=(compute_v1.Scheduling.OnHostMaintenance.TERMINATE.name)ifpreemptible:# Set the preemptible settingwarnings.warn("Preemptible VMs are being replaced by Spot VMs.",DeprecationWarning)instance.scheduling=compute_v1.Scheduling()instance.scheduling.preemptible=Trueifspot:# Set the Spot VM settinginstance.scheduling.provisioning_model=(compute_v1.Scheduling.ProvisioningModel.SPOT.name)instance.scheduling.instance_termination_action=instance_termination_actionifcustom_hostnameisnotNone:# Set the custom hostname for the instanceinstance.hostname=custom_hostnameifdelete_protection:# Set the delete protection bitinstance.deletion_protection=True# Prepare the request to insert an instance.request=compute_v1.InsertInstanceRequest()request.zone=zonerequest.project=project_idrequest.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.")returninstance_client.get(project=project_id,zone=zone,instance=instance_name)defcreate_instance_custom_hostname(project_id:str,zone:str,instance_name:str,hostname:str)->compute_v1.Instance:"""    Create a new VM instance with Debian 10 operating system and a custom hostname.    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.        hostname: the hostname you want to use for the new instance.    Returns:        Instance object.    """newest_debian=get_image_from_family(project="debian-cloud",family="debian-11")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,custom_hostname=hostname)returninstance