Delete a backend group

Written by

Yandex Cloud

To delete a backend group:

Management console

CLI

Terraform

In the management console, select the folder where the backend group was created.
Select Application Load Balancer.
On the left-hand panel, select Backend groups.
Click next to the backend group name and select Delete.

To do this with multiple groups, select the groups to delete from the list and click Delete at the bottom of the screen.
Confirm the deletion.

If you don't have the Yandex Cloud command line interface yet, install and initialize it.

The folder specified in the CLI profile is used by default. You can specify a different folder using the --folder-name or --folder-id parameter.

View a description of the CLI command for deleting a backend group:
```
yc alb backend-group delete --help
```
Run the command, specifying the name of the backend group you want to delete:
```
yc alb backend-group delete --name <backend group name>
```
To check the deletion, get a list of backend groups by running the command:
```
yc alb backend-group list
```

With Terraform, you can quickly create a cloud infrastructure in Yandex Cloud and manage it by configuration files. They store the infrastructure description in HashiCorp Configuration Language (HCL). Terraform and its providers are distributed under the Mozilla Public License.

For more information about the provider resources, see the documentation on the Terraform site or mirror site.

If you change the configuration files, Terraform automatically determines which part of your configuration is already deployed and what should be added or removed.

For more information about Terraform, see the documentation.

Open the Terraform configuration file and delete the fragment with the backend group description.

Sample backend group description in the Terraform configuration:

resource "yandex_alb_backend_group" "test-backend-group" {
  name                     = "<backend group name>"

  http_backend {
    name                   = "<backend name>"
    weight                 = 1
    port                   = 80
    target_group_ids       = ["<target group ID>"]
    load_balancing_config {
      panic_threshold      = 90
    }    
    healthcheck {
      timeout              = "10s"
      interval             = "2s"
      healthy_threshold    = 10
      unhealthy_threshold  = 15 
      http_healthcheck {
        path               = "/"
      }
    }
  }
}

For more information about the yandex_alb_backend_group resource parameters, see the Terraform provider documentation.

Apply the changes:
1. In the command line, go to the directory with the Terraform configuration file.
2. Check the configuration using the command:
```
terraform validate
```
  If the configuration is correct, the following message is returned:
```
Success! The configuration is valid.
```
3. Run the command:
```
terraform plan
```
  The terminal will display a list of resources with parameters. No changes are made at this step. If there are errors in the configuration, Terraform points them out.
4. Apply the configuration changes:
```
terraform apply
```
5. Confirm the changes: type yes into the terminal and press Enter.
You can verify the changes to the backend group using the management console or the CLI command below:
```
yc alb backend-group list
```

Delete a backend group

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