> ## Documentation Index > Fetch the complete documentation index at: https://gcore.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Update virtual GPU cluster > Update the name of an existing virtual GPU cluster. Update tags for a virtual GPU cluster (and apply to all its nodes) using JSON Merge Patch semantics (RFC 7386). To add or update tags, provide key-value pairs. To remove a tag, set its value to null. ## OpenAPI ````yaml /api-reference/services_documented/cloud_api.yaml patch /cloud/v3/gpu/virtual/{project_id}/{region_id}/clusters/{cluster_id} openapi: 3.1.0 info: title: Gcore OpenAPI – Cloud API description: >- This OpenAPI is an aggregated OpenAPI specification that unifies all Gcore products into a single file. It covers Cloud, CDN, DNS, WAAP, DDoS Protection, Object Storage, Streaming, and FastEdge services. version: '2026-05-07T20:33:46.548242+00:00' servers: - url: https://api.gcore.com security: - APIKey: [] tags: - name: Bare Metal x-displayName: Bare Metal - name: Container as a Service x-displayName: Container as a Service - name: Cost Reports x-displayName: Cost Reports - name: DDoS Protection x-displayName: DDoS Protection - name: Everywhere Inference x-displayName: Everywhere Inference - name: Everywhere Inference Apps x-displayName: Everywhere Inference Apps - name: File Shares x-displayName: File Shares - name: Floating IPs x-displayName: Floating IPs - name: Function as a Service x-displayName: Function as a Service - name: GPU Bare Metal x-displayName: GPU Bare Metal - name: GPU Virtual x-displayName: GPU Virtual - name: IP Ranges x-displayName: IP Ranges - name: Images x-displayName: Images - name: Instances x-displayName: Instances - name: Load Balancers x-displayName: Load Balancers - name: Logging x-displayName: Logging - name: Managed Kubernetes x-displayName: Managed Kubernetes - name: Managed PostgreSQL x-displayName: Managed PostgreSQL - name: Networks x-displayName: Networks - name: Placement Groups x-displayName: Placement Groups - name: Projects x-displayName: Projects - name: Quotas x-displayName: Quotas - name: Regions x-displayName: Regions - name: Registry x-displayName: Registry - name: Reservations x-displayName: Reservations - name: Reserved IPs x-displayName: Reserved IPs - name: Routers x-displayName: Routers - name: SSH Keys x-displayName: SSH Keys - name: Secrets x-displayName: Secrets - name: Security Groups x-displayName: Security Groups - name: Snapshot Schedules x-displayName: Snapshot Schedules - name: Snapshots x-displayName: Snapshots - name: Tasks x-displayName: Tasks - name: User Actions x-displayName: User Actions - name: User Role Assignments x-displayName: User Role Assignments - name: Volumes x-displayName: Volumes paths: /cloud/v3/gpu/virtual/{project_id}/{region_id}/clusters/{cluster_id}: patch: tags: - GPU Virtual summary: Update virtual GPU cluster description: |- Update the name of an existing virtual GPU cluster. Update tags for a virtual GPU cluster (and apply to all its nodes) using JSON Merge Patch semantics (RFC 7386). To add or update tags, provide key-value pairs. To remove a tag, set its value to null. operationId: VirtualClusterInstance.patch parameters: - in: path name: project_id required: true description: Project ID schema: description: Project ID example: 1 examples: - 1 title: Project Id type: integer - in: path name: region_id required: true description: Region ID schema: description: Region ID example: 7 examples: - 7 title: Region Id type: integer - in: path name: cluster_id required: true description: Cluster unique identifier schema: description: Cluster unique identifier example: 1aaaab48-10d0-46d9-80cc-85209284ceb4 examples: - 1aaaab48-10d0-46d9-80cc-85209284ceb4 format: uuid4 title: Cluster Id type: string requestBody: content: application/json: schema: $ref: '#/components/schemas/UpdateClusterSerializer' responses: '200': description: OK content: application/json: schema: $ref: '#/components/schemas/VirtualClusterSerializer' x-codeSamples: - lang: Python source: |- import os from gcore import Gcore client = Gcore( api_key=os.environ.get("GCORE_API_KEY"), # This is the default and can be omitted ) gpu_virtual_cluster = client.cloud.gpu_virtual.clusters.update( cluster_id="1aaaab48-10d0-46d9-80cc-85209284ceb4", project_id=1, region_id=7, ) print(gpu_virtual_cluster.id) - lang: Go source: "package main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\n\t\"github.com/G-Core/gcore-go\"\n\t\"github.com/G-Core/gcore-go/cloud\"\n\t\"github.com/G-Core/gcore-go/option\"\n)\n\nfunc main() {\n\tclient := gcore.NewClient(\n\t\toption.WithAPIKey(\"My API Key\"),\n\t)\n\tgpuVirtualCluster, err := client.Cloud.GPUVirtual.Clusters.Update(\n\t\tcontext.TODO(),\n\t\t\"1aaaab48-10d0-46d9-80cc-85209284ceb4\",\n\t\tcloud.GPUVirtualClusterUpdateParams{\n\t\t\tProjectID: gcore.Int(1),\n\t\t\tRegionID: gcore.Int(7),\n\t\t},\n\t)\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n\tfmt.Printf(\"%+v\\n\", gpuVirtualCluster.ID)\n}\n" components: schemas: UpdateClusterSerializer: properties: name: description: Cluster name example: gpu-cluster-1 examples: - gpu-cluster-1 maxLength: 63 pattern: ^[a-zA-Z0-9][a-zA-Z 0-9._\-]{1,61}[a-zA-Z0-9._]$ title: Name type: string tags: anyOf: - $ref: '#/components/schemas/UpdateTagsSerializer' - type: 'null' description: >- Update key-value tags using JSON Merge Patch semantics (RFC 7386). Provide key-value pairs to add or update tags. Set tag values to `null` to remove tags. Unspecified tags remain unchanged. Read-only tags are always preserved and cannot be modified. **Examples:** - **Add/update tags:** `{'tags': {'environment': 'production', 'team': 'backend'}}` adds new tags or updates existing ones. - **Delete tags:** `{'tags': {'old_tag': null}}` removes specific tags. - **Remove all tags:** `{'tags': null}` removes all user-managed tags (read-only tags are preserved). - **Partial update:** `{'tags': {'environment': 'staging'}}` only updates specified tags. - **Mixed operations:** `{'tags': {'environment': 'production', 'cost_center': 'engineering', 'deprecated_tag': null}}` adds/updates 'environment' and 'cost_center' while removing 'deprecated_tag', preserving other existing tags. - **Replace all:** first delete existing tags with null values, then add new ones in the same request. examples: - my-tag: my-tag-value my-tag-to-remove: null title: UpdateClusterSerializer type: object VirtualClusterSerializer: properties: created_at: description: Cluster creation date time example: '2024-12-31T23:59:59Z' examples: - '2024-12-31T23:59:59Z' format: date-time title: Created At type: string flavor: description: Cluster flavor name example: g3-ai-32-192-1500-l40s-48-1 examples: - g3-ai-32-192-1500-l40s-48-1 title: Flavor type: string has_pending_changes: description: >- True if any server in the cluster has pending (not yet applied) settings changes example: false examples: - false title: Has Pending Changes type: boolean id: description: Cluster unique identifier example: 1aaaab48-10d0-46d9-80cc-85209284ceb4 examples: - 1aaaab48-10d0-46d9-80cc-85209284ceb4 format: uuid4 title: Id type: string name: description: Cluster name example: my virtual gpu cluster examples: - my virtual gpu cluster title: Name type: string servers_count: description: Cluster servers count example: 2 examples: - 2 title: Servers Count type: integer servers_ids: description: List of cluster nodes example: - b4522653-fbcd-44a0-a949-541570a52281 - e56192de-ed28-452a-b775-eeeacc795e3b examples: - - b4522653-fbcd-44a0-a949-541570a52281 - e56192de-ed28-452a-b775-eeeacc795e3b items: format: uuid4 type: string title: Servers Ids type: array servers_settings: $ref: '#/components/schemas/VirtualServerSettingsOutputSerializer' status: $ref: '#/components/schemas/GPUClusterStatus' description: Cluster status examples: - active tags: description: >- List of key-value tags associated with the resource. A tag is a key-value pair that can be associated with a resource, enabling efficient filtering and grouping for better organization and management. Some tags are read-only and cannot be modified by the user. Tags are also integrated with cost reports, allowing cost data to be filtered based on tag keys or values. example: - key: my-tag read_only: false value: my-tag-value examples: - - key: my-tag read_only: false value: my-tag-value items: $ref: '#/components/schemas/TagSerializer' title: Tags type: array updated_at: anyOf: - format: date-time type: string - type: 'null' description: Cluster update date time examples: - '2025-01-11T23:59:59Z' title: Updated At required: - id - name - status - flavor - tags - servers_count - created_at - updated_at - servers_ids - servers_settings - has_pending_changes title: VirtualClusterSerializer type: object UpdateTagsSerializer: patternProperties: ^[^\s=]+$: anyOf: - maxLength: 255 minLength: 1 pattern: ^[^ \t\n\r\f\v]([^\t\n\r\f\v]*[^ \t\n\r\f\v])?$ type: string - type: 'null' description: >- Tag value. Maximum 255 characters. Cannot contain tabs, newlines, empty string or start/end with whitespace. Set to `null` in order to delete this tag. examples: - my-tag-value propertyNames: description: >- Tag key. Maximum 255 characters. Cannot contain spaces, tabs, newlines, empty string or '=' character. examples: - my-tag maxLength: 255 minLength: 1 title: UpdateTagsSerializer type: object VirtualServerSettingsOutputSerializer: properties: file_shares: description: List of file shares mounted across the cluster. items: $ref: '#/components/schemas/FileShareMountSerializer' title: File Shares type: array interfaces: items: discriminator: mapping: any_subnet: $ref: '#/components/schemas/AnySubnetInterfaceOutputSerializer' external: $ref: '#/components/schemas/ExternalInterfaceOutputSerializer' subnet: $ref: '#/components/schemas/SubnetInterfaceOutputSerializer' propertyName: type oneOf: - $ref: '#/components/schemas/ExternalInterfaceOutputSerializer' - $ref: '#/components/schemas/SubnetInterfaceOutputSerializer' - $ref: '#/components/schemas/AnySubnetInterfaceOutputSerializer' title: Interfaces type: array security_groups: description: Security groups example: - id: ae74714c-c380-48b4-87f8-758d656cdad6 name: default examples: - - id: ae74714c-c380-48b4-87f8-758d656cdad6 name: default items: $ref: '#/components/schemas/GroupSecurityGroupSerializer' title: Security Groups type: array ssh_key_name: anyOf: - type: string - type: 'null' description: SSH key name examples: - my-ssh-key title: Ssh Key Name user_data: anyOf: - type: string - type: 'null' description: Optional custom user data examples: - eyJ0ZXN0IjogImRhdGEifQ== title: User Data volumes: description: List of volumes items: $ref: '#/components/schemas/VolumeOutputSerializer' title: Volumes type: array required: - user_data - ssh_key_name - interfaces - file_shares - security_groups - volumes title: VirtualServerSettingsOutputSerializer type: object GPUClusterStatus: enum: - active - creating - degraded - deleting - error - rebooting - rebuilding - resizing - shutoff title: GPUClusterStatus type: string TagSerializer: description: >- A tag is a key-value pair that can be associated with a resource, enabling efficient filtering and grouping for better organization and management. Some tags are read-only and cannot be modified by the user. Tags are also integrated with cost reports, allowing cost data to be filtered based on tag keys or values. properties: key: description: >- Tag key. Maximum 255 characters. Cannot contain spaces, tabs, newlines, empty string or '=' character. example: my-tag examples: - my-tag title: Key type: string read_only: description: If true, the tag is read-only and cannot be modified by the user example: false examples: - false title: Read Only type: boolean value: description: >- Tag value. Maximum 255 characters. Cannot contain spaces, tabs, newlines, empty string or '=' character. example: my-tag-value examples: - my-tag-value title: Value type: string required: - key - value - read_only title: TagSerializer type: object FileShareMountSerializer: properties: id: description: Unique identifier of the file share in UUID format. example: a3f2d1b8-45e6-4f8a-bb5d-19dbf2cd7e9a examples: - a3f2d1b8-45e6-4f8a-bb5d-19dbf2cd7e9a format: uuid4 title: Id type: string mount_path: description: >- Absolute mount path inside the system where the file share will be mounted. example: /mnt/vast examples: - /mnt/vast title: Mount Path type: string required: - id - mount_path title: FileShareMountSerializer type: object AnySubnetInterfaceOutputSerializer: properties: floating_ip: anyOf: - $ref: '#/components/schemas/NewFloatingIpInterfaceSerializer' - type: 'null' description: Floating IP config for this subnet attachment ip_address: anyOf: - type: string - type: 'null' description: Fixed IP address examples: - 192.168.6.9 title: Ip Address ip_family: description: 'Which subnets should be selected: IPv4, IPv6, or use dual stack' enum: - dual - ipv4 - ipv6 example: ipv4 examples: - ipv4 title: Ip Family type: string name: anyOf: - maxLength: 37 type: string - type: 'null' description: Interface name title: Name network_id: description: >- Network ID the subnet belongs to. Port will be plugged in this network example: 59905c8e-2619-420a-b046-536096473370 examples: - 59905c8e-2619-420a-b046-536096473370 title: Network Id type: string type: const: any_subnet title: Type type: string required: - network_id - name - type - ip_family - ip_address - floating_ip title: AnySubnetInterfaceOutputSerializer type: object ExternalInterfaceOutputSerializer: properties: ip_family: description: 'Which subnets should be selected: IPv4, IPv6, or use dual stack.' enum: - dual - ipv4 - ipv6 example: ipv4 examples: - ipv4 title: Ip Family type: string name: anyOf: - type: string - type: 'null' description: Interface name examples: - eth0 title: Name type: const: external title: Type type: string required: - type - ip_family - name title: ExternalInterfaceOutputSerializer type: object SubnetInterfaceOutputSerializer: properties: floating_ip: anyOf: - $ref: '#/components/schemas/NewFloatingIpInterfaceSerializer' - type: 'null' description: Floating IP config for this subnet attachment name: anyOf: - maxLength: 37 type: string - type: 'null' description: Interface name title: Name network_id: description: >- Network ID the subnet belongs to. Port will be plugged in this network example: 59905c8e-2619-420a-b046-536096473370 examples: - 59905c8e-2619-420a-b046-536096473370 title: Network Id type: string subnet_id: description: Port is assigned an IP address from this subnet example: e3c6ee77-48cb-416b-b204-11b492cc776e3 examples: - e3c6ee77-48cb-416b-b204-11b492cc776e3 format: uuid4 title: Subnet Id type: string type: const: subnet title: Type type: string required: - network_id - name - type - subnet_id - floating_ip title: SubnetInterfaceOutputSerializer type: object GroupSecurityGroupSerializer: properties: id: description: Security group ID example: ae74714c-c380-48b4-87f8-758d656cdad6 examples: - ae74714c-c380-48b4-87f8-758d656cdad6 title: Id type: string name: description: Security group name example: default examples: - default title: Name type: string required: - id - name title: GroupSecurityGroupSerializer type: object VolumeOutputSerializer: properties: boot_index: anyOf: - minimum: 0 type: integer - type: 'null' description: Boot index of the volume examples: - 1 title: Boot Index delete_on_termination: description: >- Flag indicating whether the volume is deleted on instance termination example: true examples: - true title: Delete On Termination type: boolean image_id: anyOf: - type: string - type: 'null' description: Image ID for the volume examples: - 3793c250-0b3b-4678-bab3-e11afbc29657 title: Image Id name: description: Volume name example: my-data-disk examples: - my-data-disk pattern: ^[a-zA-Z0-9][a-zA-Z 0-9._\-]{1,61}[a-zA-Z0-9._]$ title: Name type: string size: description: Volume size in GiB example: 100 examples: - 100 exclusiveMaximum: 102400 exclusiveMinimum: 0 title: Size type: integer tags: description: >- List of key-value tags associated with the resource. A tag is a key-value pair that can be associated with a resource, enabling efficient filtering and grouping for better organization and management. Some tags are read-only and cannot be modified by the user. Tags are also integrated with cost reports, allowing cost data to be filtered based on tag keys or values. example: - key: my-tag read_only: false value: my-tag-value examples: - - key: my-tag read_only: false value: my-tag-value items: $ref: '#/components/schemas/TagSerializer' title: Tags type: array type: $ref: '#/components/schemas/AllVolumeTypeEnum' description: Volume type examples: - ssd required: - size - type - name - tags - delete_on_termination - boot_index - image_id title: VolumeOutputSerializer type: object NewFloatingIpInterfaceSerializer: properties: source: const: new title: Source type: string required: - source title: NewFloatingIpInterfaceSerializer type: object AllVolumeTypeEnum: enum: - cold - ssd_hiiops - ssd_local - ssd_lowlatency - standard - ultra title: AllVolumeTypeEnum type: string securitySchemes: APIKey: description: >- API key for authentication. Make sure to include the word `apikey`, followed by a single space and then your token. Example: `apikey 1234$abcdef` type: apiKey in: header name: Authorization ````