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Use the tidbcloud_serverless_cluster Resource

This document describes how to manage a TiDB Cloud Starter cluster with the tidbcloud_serverless_cluster resource.

You will also learn how to get the necessary information with the tidbcloud_projects data source.

The features of the tidbcloud_serverless_cluster resource include the following:

  • Create TiDB Cloud Starter clusters.
  • Modify TiDB Cloud Starter clusters.
  • Import TiDB Cloud Starter clusters.
  • Delete TiDB Cloud Starter clusters.

Prerequisites

Get project IDs using the tidbcloud_projects data source

Each TiDB cluster belongs to a project. Before creating a TiDB Cloud Starter cluster, you need to obtain the ID of the project where you want to create the cluster. If no project_id is specified, the default project will be used.

To retrieve the information about all available projects, use the tidbcloud_projects data source as follows:

  1. In the main.tf file created when you Get TiDB Cloud Terraform Provider, add the data and output blocks as follows:

    terraform {
  required_providers {
    tidbcloud = {
      source = "tidbcloud/tidbcloud"
    }
  }
}

provider "tidbcloud" {
  public_key = "your_public_key"
  private_key = "your_private_key"
}

data "tidbcloud_projects" "example_project" {
  page      = 1
  page_size = 10
}

output "projects" {
  value = data.tidbcloud_projects.example_project.items
}

    • Use the data block to define the data source of TiDB Cloud, including the data source type and the data source name.

      • To use the projects data source, set the data source type as tidbcloud_projects.
      • For the data source name, you can define it as needed. For example, "example_project".
      • For the tidbcloud_projects data source, you can use the page and page_size attributes to limit the maximum number of projects you want to check.

    • Use the output block to define the data source information to be displayed in the output, and expose the information for other Terraform configurations to use.

      The output block works similarly to returned values in programming languages. See Terraform documentation for more details.

    To get all the available configurations for the resources and data sources, see the Terraform provider configuration documentation.

  2. Run the terraform apply command to apply the configurations. You need to type yes at the confirmation prompt to proceed.

    To skip the prompt, use terraform apply --auto-approve:

    $ terraform apply --auto-approve

Changes to Outputs:
  + projects = [
      + {
          + cluster_count    = 0
          + create_timestamp = "1649154426"
          + id               = "1372813089191000000"
          + name             = "test1"
          + org_id           = "1372813089189000000"
          + user_count       = 1
        },
      + {
          + cluster_count    = 1
          + create_timestamp = "1640602740"
          + id               = "1372813089189000000"
          + name             = "default project"
          + org_id           = "1372813089189000000"
          + user_count       = 1
        },
    ]

You can apply this plan to save these new output values to the Terraform state, without changing any real infrastructure.

Apply complete! Resources: 0 added, 0 changed, 0 destroyed.

Outputs:

projects = tolist([
  {
    "cluster_count" = 0
    "create_timestamp" = "1649154426"
    "id" = "1372813089100000000"
    "name" = "test1"
    "org_id" = "1372813089100000000"
    "user_count" = 1
  },
  {
    "cluster_count" = 1
    "create_timestamp" = "1640602740"
    "id" = "1372813089100000001"
    "name" = "default project"
    "org_id" = "1372813089100000000"
    "user_count" = 1
  },
])

Now, you can get all the available projects from the output. Copy one of the project IDs that you need.

Create a TiDB Cloud Starter cluster

You can create a TiDB Cloud Starter cluster using the tidbcloud_serverless_cluster resource.

  1. Create a directory for the cluster and enter it.

  2. Create a cluster.tf file.

    The following is an example of the cluster.tf file:

    terraform {
  required_providers {
    tidbcloud = {
      source = "tidbcloud/tidbcloud"
    }
  }
}

provider "tidbcloud" {
  public_key = "your_public_key"
  private_key = "your_private_key"
}

resource "tidbcloud_serverless_cluster" "example" {
  project_id = "1372813089454000000"
  display_name = "test-tf"
  spending_limit = {
    monthly = 1
  }
  region = {
    name = "regions/aws-us-east-1"
  }
}

    Use the resource block to define the resource of TiDB Cloud, including the resource type, resource name, and resource details.

    • To use the tidbcloud_serverless_cluster resource, set the resource type as tidbcloud_serverless_cluster.
    • For the resource name, you can define it as needed. For example, example.
    • For resource details, you can configure them according to the Project ID and the tidbcloud_serverless_cluster specification.

  3. Run the terraform apply command. It is not recommended to use terraform apply --auto-approve when you apply a resource.

    $ terraform apply

Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

    # tidbcloud_serverless_cluster.example will be created
    + resource "tidbcloud_serverless_cluster" "example" {
        + annotations             = (known after apply)
        + automated_backup_policy = (known after apply)
        + cluster_id              = (known after apply)
        + create_time             = (known after apply)
        + created_by              = (known after apply)
        + display_name            = "test-tf"
        + encryption_config       = (known after apply)
        + endpoints               = (known after apply)
        + labels                  = (known after apply)
        + project_id              = "1372813089454000000"
        + region                  = {
            + cloud_provider = (known after apply)
            + display_name   = (known after apply)
            + name           = "regions/aws-us-east-1"
            + region_id      = (known after apply)
        }
        + spending_limit          = {
            + monthly = 1
        }
        + state                   = (known after apply)
        + update_time             = (known after apply)
        + user_prefix             = (known after apply)
        + version                 = (known after apply)
    }

Plan: 1 to add, 0 to change, 0 to destroy.

Do you want to perform these actions?
    Terraform will perform the actions described above.
    Only 'yes' will be accepted to approve.

    Enter a value:

    In the preceding result, Terraform generates an execution plan for you, which describes the actions that Terraform will take:

    • You can check the differences between the configurations and the states.
    • You can also see the results of this apply. It will add a new resource, and no resource will be changed or destroyed.
    • known after apply indicates that you will get the corresponding value after apply.

  4. If everything in your plan looks fine, type yes to continue:

    Do you want to perform these actions?
  Terraform will perform the actions described above.
  Only 'yes' will be accepted to approve.

  Enter a value: yes

tidbcloud_serverless_cluster.example: Creating...
tidbcloud_serverless_cluster.example: Still creating... [10s elapsed]

Apply complete! Resources: 1 added, 0 changed, 0 destroyed.

  5. Use the terraform show or terraform state show tidbcloud_serverless_cluster.${resource-name} command to inspect the state of your resource. The former command shows the states of all resources and data sources.

    $ terraform state show tidbcloud_serverless_cluster.example

# tidbcloud_serverless_cluster.example:
resource "tidbcloud_serverless_cluster" "example" {
    annotations             = {
        "tidb.cloud/available-features" = "DISABLE_PUBLIC_LB,DELEGATE_USER"
        "tidb.cloud/has-set-password"   = "false"
    }
    automated_backup_policy = {
        retention_days = 14
        start_time     = "07:00"
    }
    cluster_id              = "10145794214536000000"
    create_time             = "2025-06-16T07:04:41Z"
    created_by              = "apikey-S2000000"
    display_name            = "test-tf"
    encryption_config       = {
        enhanced_encryption_enabled = false
    }
    endpoints               = {
        private = {
            aws  = {
                availability_zone = [
                    "use1-az6",
                ]
                service_name      = "com.amazonaws.vpce.us-east-1.vpce-svc-0062ecf0683000000"
            }
            host = "gateway01-privatelink.us-east-1.prod.aws.tidbcloud.com"
            port = 4000
        }
        public  = {
            disabled = false
            host     = "gateway01.us-east-1.prod.aws.tidbcloud.com"
            port     = 4000
        }
    }
    labels                  = {
        "tidb.cloud/organization" = "1372813089187000000"
        "tidb.cloud/project"      = "1372813089454000000"
    }
    project_id              = "1372813089454000000"
    region                  = {
        cloud_provider = "aws"
        display_name   = "N. Virginia (us-east-1)"
        name           = "regions/aws-us-east-1"
        region_id      = "us-east-1"
    }
    spending_limit          = {
        monthly = 1
    }
    state                   = "ACTIVE"
    update_time             = "2025-06-16T07:04:48Z"
    user_prefix             = "KhSDGqQ3P000000"
    version                 = "v7.5.2"
}

Modify a TiDB Cloud Starter cluster

For a TiDB Cloud Starter cluster, you can use Terraform to manage resources. The arguments that you can modify include:

  • display_name: The display name of the cluster.
  • spending_limit: The spending limit of the cluster.
  • endpoints.public.disabled: Whether to disable the public endpoint.
  • automated_backup_policy.start_time: The UTC time of day in HH:mm format when the automated backup starts.

To modify a TiDB Cloud Starter cluster, you can modify the configuration of the tidbcloud_serverless_cluster resource, then use the terraform apply command to apply the changes. For example, you can modify the display_name and spending_limit as follows:

resource "tidbcloud_serverless_cluster" "example" {
  project_id = "1372813089454000000"
  display_name = "test-tf-modified"
  spending_limit = {
    monthly = 2
  }
  region = {
    name = "regions/aws-us-east-1"
  }
}

Then, run the terraform apply command to apply the changes:

$ terraform apply

tidbcloud_serverless_cluster.example: Refreshing state...

Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  ~ update in-place

Terraform will perform the following actions:

  # tidbcloud_serverless_cluster.example will be updated in-place
  ~ resource "tidbcloud_serverless_cluster" "example" {
      ~ annotations             = {
          - "tidb.cloud/available-features" = "DISABLE_PUBLIC_LB,DELEGATE_USER"
          - "tidb.cloud/has-set-password"   = "false"
        } -> (known after apply)
      ~ display_name            = "test-tf" -> "test-tf-modified"
      ~ labels                  = {
          - "tidb.cloud/organization" = "1372813089187041280"
          - "tidb.cloud/project"      = "1372813089454543324"
        } -> (known after apply)
      ~ spending_limit          = {
          ~ monthly = 1 -> 2
        }
      ~ state                   = "ACTIVE" -> (known after apply)
      ~ update_time             = "2025-06-16T07:04:57Z" -> (known after apply)
      ~ version                 = "v7.5.2" -> (known after apply)
        # (9 unchanged attributes hidden)
    }

Plan: 0 to add, 1 to change, 0 to destroy.

Do you want to perform these actions?
  Terraform will perform the actions described above.
  Only 'yes' will be accepted to approve.

  Enter a value: yes

tidbcloud_serverless_cluster.example: Modifying...
tidbcloud_serverless_cluster.example: Modifications complete after 8s

Apply complete! Resources: 0 added, 1 changed, 0 destroyed.

Then, you can use the terraform show or terraform state show tidbcloud_serverless_cluster.${resource-name} command to inspect the state of your resource. The former command shows the states of all resources and data sources.

$ terraform state show tidbcloud_serverless_cluster.example
# tidbcloud_serverless_cluster.example:
resource "tidbcloud_serverless_cluster" "example" {
    annotations             = {
        "tidb.cloud/available-features" = "DISABLE_PUBLIC_LB,DELEGATE_USER"
        "tidb.cloud/has-set-password"   = "false"
    }
    automated_backup_policy = {
        retention_days = 14
        start_time     = "07:00"
    }
    cluster_id              = "10145794214536000000"
    create_time             = "2025-06-16T07:04:41Z"
    created_by              = "apikey-S2000000"
    display_name            = "test-tf-modified"
    encryption_config       = {
        enhanced_encryption_enabled = false
    }
    endpoints               = {
        private = {
            aws  = {
                availability_zone = [
                    "use1-az6",
                ]
                service_name      = "com.amazonaws.vpce.us-east-1.vpce-svc-0062ecf0683000000"
            }
            host = "gateway01-privatelink.us-east-1.prod.aws.tidbcloud.com"
            port = 4000
        }
        public  = {
            disabled = false
            host     = "gateway01.us-east-1.prod.aws.tidbcloud.com"
            port     = 4000
        }
    }
    labels                  = {
        "tidb.cloud/organization" = "1372813089187000000"
        "tidb.cloud/project"      = "1372813089454000000"
    }
    project_id              = "1372813089454000000"
    region                  = {
        cloud_provider = "aws"
        display_name   = "N. Virginia (us-east-1)"
        name           = "regions/aws-us-east-1"
        region_id      = "us-east-1"
    }
    spending_limit          = {
        monthly = 2
    }
    state                   = "ACTIVE"
    update_time             = "2025-06-16T07:04:57Z"
    user_prefix             = "KhSDGqQ3P000000"
    version                 = "v7.5.2"
}

Import a TiDB Cloud Starter cluster

For a TiDB Cloud Starter cluster that is not managed by Terraform, you can bring it under Terraform management by importing it.

  1. Add an import block for the new tidbcloud_serverless_cluster resource.

    Add the following import block to your .tf file, replace example with a desired resource name, and replace ${id} with the cluster ID:

    import {
  to = tidbcloud_serverless_cluster.example
  id = "${id}"
}

  2. Generate the new configuration file.

    Generate the new configuration file for the new tidbcloud_serverless_cluster resource according to the import block:

    terraform plan -generate-config-out=generated.tf

    Do not specify an existing .tf filename in the preceding command. Otherwise, Terraform will return an error.

  3. Review and apply the generated configuration.

    Review the generated configuration file to ensure that it meets your needs. Optionally, you can move the contents of this file to your preferred location.

    Then, run terraform apply to import your infrastructure. After applying, the example output is as follows: 

    tidbcloud_serverless_cluster.example: Importing... 
tidbcloud_serverless_cluster.example: Import complete 

Apply complete! Resources: 1 imported, 0 added, 0 changed, 0 destroyed.

Now you can manage the imported cluster with Terraform.

Delete a TiDB Cloud Starter cluster

To delete a TiDB Cloud Starter cluster, you can delete the configuration of the tidbcloud_serverless_cluster resource, then use the terraform apply command to destroy the resource:

$ terraform apply
tidbcloud_serverless_cluster.example: Refreshing state...

Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  - destroy

Terraform will perform the following actions:

  # tidbcloud_serverless_cluster.example will be destroyed
  # (because tidbcloud_serverless_cluster.example is not in configuration)
  - resource "tidbcloud_serverless_cluster" "example" {
      - annotations             = {
          - "tidb.cloud/available-features" = "DISABLE_PUBLIC_LB,DELEGATE_USER"
          - "tidb.cloud/has-set-password"   = "false"
        } -> null
      - automated_backup_policy = {
          - retention_days = 14 -> null
          - start_time     = "07:00" -> null
        } -> null
      - cluster_id              = "10145794214536000000" -> null
      - create_time             = "2025-06-16T07:04:41Z" -> null
      - created_by              = "apikey-S2000000" -> null
      - display_name            = "test-tf-modified" -> null
      - encryption_config       = {
          - enhanced_encryption_enabled = false -> null
        } -> null
      - endpoints               = {
          - private = {
              - aws  = {
                  - availability_zone = [
                      - "use1-az6",
                    ] -> null
                  - service_name      = "com.amazonaws.vpce.us-east-1.vpce-svc-0062ecf0683000000" -> null
                } -> null
              - host = "gateway01-privatelink.us-east-1.prod.aws.tidbcloud.com" -> null
              - port = 4000 -> null
            } -> null
          - public  = {
              - disabled = false -> null
              - host     = "gateway01.us-east-1.prod.aws.tidbcloud.com" -> null
              - port     = 4000 -> null
            } -> null
        } -> null
      - labels                  = {
          - "tidb.cloud/organization" = "1372813089187000000"
          - "tidb.cloud/project"      = "1372813089454000000"
        } -> null
      - project_id              = "1372813089454000000" -> null
      - region                  = {
          - cloud_provider = "aws" -> null
          - display_name   = "N. Virginia (us-east-1)" -> null
          - name           = "regions/aws-us-east-1" -> null
          - region_id      = "us-east-1" -> null
        } -> null
      - spending_limit          = {
          - monthly = 2 -> null
        } -> null
      - state                   = "ACTIVE" -> null
      - update_time             = "2025-06-16T07:04:57Z" -> null
      - user_prefix             = "KhSDGqQ3P000000" -> null
      - version                 = "v7.5.2" -> null
    }

Plan: 0 to add, 0 to change, 1 to destroy.

Do you want to perform these actions?
  Terraform will perform the actions described above.
  Only 'yes' will be accepted to approve.

  Enter a value: yes

tidbcloud_serverless_cluster.example: Destroying...
tidbcloud_serverless_cluster.example: Destruction complete after 1s

Apply complete! Resources: 0 added, 0 changed, 1 destroyed.

Now, if you run the terraform show command, it will show no managed resources because the resource has been destroyed:

$ terraform show

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