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layout: "google"
page_title: "Google: google_compute_backend_service_signed_url_key"
sidebar_current: "docs-google-compute-backend-service-signed-url-key"
description: |-
  A key for signing Cloud CDN signed URLs for Backend Services.
---

# google\_compute\_backend\_service\_signed\_url\_key

A key for signing Cloud CDN signed URLs for Backend Services.


To get more information about BackendServiceSignedUrlKey, see:

* [API documentation](https://cloud.google.com/compute/docs/reference/rest/v1/backendServices)
* How-to Guides
    * [Using Signed URLs](https://cloud.google.com/cdn/docs/using-signed-urls/)

~> **Warning:** All arguments including the key's value will be stored in the raw
state as plain-text. [Read more about sensitive data in state](/docs/state/sensitive-data.html).
Because the API does not return the sensitive key value,
we cannot confirm or reverse changes to a key outside of Terraform.

## Example Usage - Backend Service Signed Url Key


```hcl
resource "google_compute_backend_service_signed_url_key" "backend_key" {
  name           = "test-key"
  key_value      = "pPsVemX8GM46QVeezid6Rw=="
  backend_service = "${google_compute_backend_service.example_backend.name}"
}

resource "google_compute_backend_service" "example_backend" {
  name        = "my-backend-service"
  description = "Our company website"
  port_name   = "http"
  protocol    = "HTTP"
  timeout_sec = 10
  enable_cdn  = true

  backend {
    group = "${google_compute_instance_group_manager.webservers.instance_group}"
  }

  health_checks = ["${google_compute_http_health_check.default.self_link}"]
}

resource "google_compute_instance_group_manager" "webservers" {
  name               = "my-webservers"
  instance_template  = "${google_compute_instance_template.webserver.self_link}"
  base_instance_name = "webserver"
  zone               = "us-central1-f"
  target_size        = 1
}

resource "google_compute_instance_template" "webserver" {
  name         = "standard-webserver"
  machine_type = "n1-standard-1"

  network_interface {
    network = "default"
  }

  disk {
    source_image = "debian-cloud/debian-9"
    auto_delete  = true
    boot         = true
  }
}

resource "google_compute_http_health_check" "default" {
  name               = "test"
  request_path       = "/"
  check_interval_sec = 1
  timeout_sec        = 1
}
```

## Argument Reference

The following arguments are supported:


* `name` -
  (Required)
  Name of the signed URL key.

* `key_value` -
  (Required)
  128-bit key value used for signing the URL. The key value must be a
  valid RFC 4648 Section 5 base64url encoded string.

* `backend_service` -
  (Required)
  The backend service this signed URL key belongs.


- - -

* `project` - (Optional) The ID of the project in which the resource belongs.
    If it is not provided, the provider project is used.



## Timeouts

This resource provides the following
[Timeouts](/docs/configuration/resources.html#timeouts) configuration options:

- `create` - Default is 4 minutes.
- `delete` - Default is 4 minutes.

## Import

BackendServiceSignedUrlKey can be imported using any of these accepted formats:

```
$ terraform import google_compute_backend_service_signed_url_key.default projects/{{project}}/global/backendServices/{{backend_service}}/{{name}}
$ terraform import google_compute_backend_service_signed_url_key.default {{project}}/{{backend_service}}/{{name}}
$ terraform import google_compute_backend_service_signed_url_key.default {{backend_service}}/{{name}}
```

-> If you're importing a resource with beta features, make sure to include `-provider=google-beta`
as an argument so that Terraform uses the correct provider to import your resource.