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description=Create reservations of Compute Engine VM instances for a single project.;

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rce based commitment see purchase hardware commitments with attached reservations commitments provide discounts known as committed use discounts cuds on your on demand resource costs in exchange for purchasing a minimum level of resources or for spending a minimum amount note after you create a reservation you are charged for the reserved resources even if they are not used until you delete the reservation if you delete a reservation but don t delete the vms that were using the reserved resources the resources still incur charges for more information see billing before you begin review the requirements and restrictions for reservations if you haven t already set up authentication authentication verifies your identity for access to google cloud services and apis to run code or samples from a local development environment you can authenticate to compute engine by selecting one of the following options select the tab for how you plan to use the samples on this page console when you use the google cloud console to access google cloud services and apis you don t need to set up authentication gcloud install the google cloud cli after installation initialize the google cloud cli by running the following command gcloud init if you re using an external identity provider idp you must first sign in to the gcloud cli with your federated identity note if you installed the gcloud cli previously make sure you have the latest version by running gcloud components update set a default region and zone terraform to use the terraform samples on this page in a local development environment install and initialize the gcloud cli and then set up application default credentials with your user credentials install the google cloud cli if you re using an external identity provider idp you must first sign in to the gcloud cli with your federated identity if you re using a local shell then create local authentication credentials for your user account gcloud auth application default login you don t need to do this if you re using cloud shell if an authentication error is returned and you are using an external identity provider idp confirm that you have signed in to the gcloud cli with your federated identity for more information see set up authentication for a local development environment rest to use the rest api samples on this page in a local development environment you use the credentials you provide to the gcloud cli install the google cloud cli if you re using an external identity provider idp you must first sign in to the gcloud cli with your federated identity for more information see authenticate for using rest in the google cloud authentication documentation required roles to get the permissions that you need to create single project reservations ask your administrator to grant you the compute admin roles compute admin iam role on the project for more information about granting roles see manage access to projects folders and organizations this predefined role contains the permissions required to create single project reservations to see the exact permissions that are required expand the required permissions section required permissions the following permissions are required to create single project reservations compute reservations create on the project to specify an instance template compute instancetemplates usereadonly on the instance template you might also be able to get these permissions with custom roles or other predefined roles create a single project reservation to consume a reservation a vm must have properties that exactly match that reservation to specify the properties of the vms that you want to reserve select one of the following sections in this document recommended specify an instance template this section explains how to use an instance template to define the properties of a reservation by using an instance template you can define the properties of a reservation and the vms that can consume the reservation in the same place specify an existing vm this section explains how to use an existing vm to define the properties of a reservation by using the properties of an existing vm you can consume the reservation by creating vms with properties that match the reference vm specify properties directly this section explains how to directly define the properties of a reservation this method requires you to manually ensure that the properties of your vms and reservations exactly match any mismatched properties prevent consumption by default a reservation can be automatically consumed by any vms with properties that match it if you want to control reservation consumption do one or more of the following create a reservation that can only be consumed by vms that specifically target it as explained in the following sections in this document then configure vms to consume that specific reservation configure vms to not consume reservations additionally you can specify a compact placement policy when creating a single project specific reservation a compact placement policy specifies that vms are to be located as close to each other as possible to reduce network latency specify an instance template to avoid errors when creating a reservation by specifying an instance template make sure of the following create your reservation in the same region and zone as the resources within the instance template any regional or zonal resources specified in an instance template such as a machine type or a persistent disk volume restrict the use of the template to the locations where those resources exist for example if your instance template specifies an existing persistent disk volume in zone us central1 a then you can only create your reservation in the same zone to check if an existing template specifies any resources that bind the template to a specific region or zone view the details of the instance template and look for references to regional or zonal resources inside of it if the instance template specifies a compact placement policy then make sure that the template specifies a supported machine type for compact placement policies otherwise creating the reservation fails to create a single project reservation by specifying an instance template select one of the following options console in the google cloud console go to the reservations page go to reservations click add_box create reservation the create a reservation page appears in the name field enter a name for your reservation in the region and zone lists select where you want to reserve resources optional to let custom training jobs or prediction jobs in vertex ai consume a reservation of gpu vms in the google cloud services section select share reservation in the use with vm instance section select one of the following options to allow matching vms to automatically consume this reservation select use reservation automatically to consume this reservation s resources only when you create matching vms that specifically target the reservation by name select select specific reservation in the resource details section do the following in the number of vm instances field enter the number of vms that you want to reserve to specify vm configurations by using an instance template select use instance template and then in the list that appears select the instance template in the auto delete section you can enable the auto delete option to let compute engine automatically delete the reservation at a specific date and time automatically deleting reservations can be useful to avoid unnecessary charges when you stop consuming the reservation to create the reservation click create the reservations page appears creating the reservation can take up to a minute to complete to verify when compute engine finishes creating it view your reservations gcloud to create a single project reservation use the gcloud compute reservations create command to create a single project reservation by specifying an instance template and without including any optional flags run the following command gcloud compute reservations create reservation_name source instance template instance_template_url vm count number_of_vms zone zone replace the following reservation_name the name of the reservation to create instance_template_url the url of an existing instance template specify one of the following values for a regional instance template projects project_id regions region instancetemplates instance_template_name for a global instance template instance_template_name number_of_vms the number of vms to reserve zone the zone in which to reserve resources for example to create a reservation for ten vms in zone us central1 a by specifying a global instance template run the following command gcloud compute reservations create my reservation source instance template example instance template vm count 10 zone us central1 a optionally you can do one or more of the following to specify that only vms that specifically target this reservation can consume it include the require specific reservation flag gcloud compute reservations create reservation_name source instance template instance_template_url require specific reservation vm count number_of_vms zone zone to allow a reservation of gpu vms to be consumed by custom training jobs or prediction jobs in vertex ai include the reservation sharing policy flag set to allow_all gcloud compute reservations create reservation_name source instance template instance_template_url reservation sharing policy allow_all vm count number_of_vms zone zone to enable compute engine to automatically delete the reservation select one of the following methods preview the delete at time and delete after duration flags this feature is subject to the pre ga offerings terms in the general service terms section of the service specific terms pre ga features are available as is and might have limited support for more information see the launch stage descriptions to delete the reservation at a specific date and time use the gcloud beta compute reservations create command with the delete at time flag gcloud beta compute reservations create reservation_name delete at time delete_at_time source instance template instance_template_url vm count number_of_vms zone zone replace delete_at_time with a date and time formatted as an rfc 3339 timestamp which must be as follows none yyyy mm dd t hh mm ss offset replace the following yyyy mm dd a date formatted as a 4 digit year 2 digit month and a 2 digit day of the month separated by hyphens hh mm ss a time formatted as a 2 digit hour using a 24 hour time 2 digit minutes and 2 digit seconds separated by colons offset the time zone formatted as an offset of coordinated universal time utc for example to use the pacific standard time pst specify 08 00 alternatively to use no offset specify z to delete the reservation after a specific duration use the gcloud beta compute reservations create command with the delete after duration flag gcloud beta compute reservations create reservation_name delete after duration delete_after_duration source instance template instance_template_url vm count number_of_vms zone zone replace delete_after_duration with a duration in days hours minutes or seconds for example specify 30m for 30 minutes or 1d2h3m4s for 1 day 2 hours 3 minutes and 4 seconds go import context fmt io compute cloud google com go compute apiv1 computepb cloud google com go compute apiv1 computepb google golang org protobuf proto creates the reservation from given template in particular zone func createreservation w io writer projectid zone reservationname sourcetemplate string error projectid your_project_id zone us west3 a reservationname your_reservation_name template existing template path following formats are allowed projects project_id global instancetemplates template_name projects project_id regions region instancetemplates template_name https www googleapis com compute v1 projects project_id global instancetemplates instancetemplate https www googleapis com compute v1 projects project_id regions region instancetemplates instancetemplate ctx context background reservationsclient err compute newreservationsrestclient ctx if err nil return err defer reservationsclient close req computepb insertreservationrequest project projectid reservationresource computepb reservation name proto string reservationname zone proto string zone specificreservation computepb allocationspecificskureservation count proto int64 2 sourceinstancetemplate proto string sourcetemplate zone zone op err reservationsclient insert ctx req if err nil return fmt errorf unable to create reservation w err if err op wait ctx err nil return fmt errorf unable to wait for the operation w err fmt fprintf w reservation created n return nil java import com google cloud compute v1 allocationspecificskureservation import com google cloud compute v1 operation import com google cloud compute v1 reservation import com google cloud compute v1 reservationsclient import java io ioexception import java util concurrent executionexception import java util concurrent timeunit import java util concurrent timeoutexception public class createreservationforinstancetemplate 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 name of the zone in which you want to create the reservation string zone us central1 a name of the reservation you want to create string reservationname your_reservation_name the number of virtual machines you want to create int numberofvms 3 the uri of the instance template with global location to be used for creating the reservation string instancetemplateuri projects your_project_id global instancetemplates your_instance_template_name the uri of the instance template with regional location to be used for creating the reservation for us central1 region in this case string instancetemplateuri projects your_project_id regions us central1 instancetemplates your_instance_template_name createreservationforinstancetemplate projectid reservationname instancetemplateuri numberofvms zone creates a reservation in a project for the instance template public static reservation createreservationforinstancetemplate string projectid string reservationname string instancetemplateuri int numberofvms string zone 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 reservationsclient reservationsclient reservationsclient create reservation reservation reservation newbuilder setname reservationname setzone zone setspecificreservation allocationspecificskureservation newbuilder set the number of instances setcount numberofvms set the instance template to be ...