---
title: "pyroscope.write | Grafana Agent documentation"
description: "Learn about pyroscope.write"
---

> For a curated documentation index, see [llms.txt](/llms.txt). For the complete documentation index, see [llms-full.txt](/llms-full.txt).

# pyroscope.write

> **BETA**: This is a [beta](/docs/agent/next/stability/#beta) component. Beta components are subject to breaking changes, and may be replaced with equivalent functionality that cover the same use case.

`pyroscope.write` receives performance profiles from other components and forwards them to a series of user-supplied endpoints using [Pyroscope’ Push API](/oss/pyroscope/).

Multiple `pyroscope.write` components can be specified by giving them different labels.

## Usage

Alloy ![Copy code to clipboard](/media/images/icons/icon-copy-small-2.svg) Copy

```alloy
pyroscope.write "LABEL" {
  endpoint {
    url = PYROSCOPE_URL

    ...
  }

  ...
}
```

## Arguments

The following arguments are supported:

Expand table

| Name              | Type          | Description                                      | Default | Required |
|-------------------|---------------|--------------------------------------------------|---------|----------|
| `external_labels` | `map(string)` | Labels to add to profiles sent over the network. |         | no       |

## Blocks

The following blocks are supported inside the definition of `pyroscope.write`:

Expand table

| Hierarchy                             | Block                                 | Description                                               | Required |
|---------------------------------------|---------------------------------------|-----------------------------------------------------------|----------|
| endpoint                              | [endpoint](#endpoint-block)           | Location to send profiles to.                             | no       |
| endpoint &gt; basic\_auth             | [basic\_auth](#basic_auth-block)      | Configure basic\_auth for authenticating to the endpoint. | no       |
| endpoint &gt; authorization           | [authorization](#authorization-block) | Configure generic authorization to the endpoint.          | no       |
| endpoint &gt; oauth2                  | [oauth2](#oauth2-block)               | Configure OAuth2 for authenticating to the endpoint.      | no       |
| endpoint &gt; oauth2 &gt; tls\_config | [tls\_config](#tls_config-block)      | Configure TLS settings for connecting to the endpoint.    | no       |
| endpoint &gt; tls\_config             | [tls\_config](#tls_config-block)      | Configure TLS settings for connecting to the endpoint.    | no       |

The `>` symbol indicates deeper levels of nesting. For example, `endpoint > basic_auth` refers to a `basic_auth` block defined inside an `endpoint` block.

### endpoint block

The `endpoint` block describes a single location to send profiles to. Multiple `endpoint` blocks can be provided to send profiles to multiple locations.

The following arguments are supported:

Expand table

| Name                     | Type                | Description                                                                                      | Default   | Required |
|--------------------------|---------------------|--------------------------------------------------------------------------------------------------|-----------|----------|
| `url`                    | `string`            | Full URL to send metrics to.                                                                     |           | yes      |
| `name`                   | `string`            | Optional name to identify the endpoint in metrics.                                               |           | no       |
| `remote_timeout`         | `duration`          | Timeout for requests made to the URL.                                                            | `"10s"`   | no       |
| `headers`                | `map(string)`       | Extra headers to deliver with the request.                                                       |           | no       |
| `min_backoff_period`     | `duration`          | Initial backoff time between retries.                                                            | `"500ms"` | no       |
| `max_backoff_period`     | `duration`          | Maximum backoff time between retries.                                                            | `"5m"`    | no       |
| `max_backoff_retries`    | `int`               | Maximum number of retries. 0 to retry infinitely.                                                | 10        | no       |
| `bearer_token_file`      | `string`            | File containing a bearer token to authenticate with.                                             |           | no       |
| `bearer_token`           | `secret`            | Bearer token to authenticate with.                                                               |           | no       |
| `enable_http2`           | `bool`              | Whether HTTP2 is supported for requests.                                                         | `true`    | no       |
| `follow_redirects`       | `bool`              | Whether redirects returned by the server should be followed.                                     | `true`    | no       |
| `proxy_url`              | `string`            | HTTP proxy to send requests through.                                                             |           | no       |
| `no_proxy`               | `string`            | Comma-separated list of IP addresses, CIDR notations, and domain names to exclude from proxying. |           | no       |
| `proxy_from_environment` | `bool`              | Use the proxy URL indicated by environment variables.                                            | `false`   | no       |
| `proxy_connect_header`   | `map(list(secret))` | Specifies headers to send to proxies during CONNECT requests.                                    |           | no       |

At most, one of the following can be provided:

- [`bearer_token` argument](#endpoint-block).
- [`bearer_token_file` argument](#endpoint-block).
- [`basic_auth` block](#basic_auth-block).
- [`authorization` block](#authorization-block).
- [`oauth2` block](#oauth2-block).

`no_proxy` can contain IPs, CIDR notations, and domain names. IP and domain names can contain port numbers. `proxy_url` must be configured if `no_proxy` is configured.

`proxy_from_environment` uses the environment variables HTTP\_PROXY, HTTPS\_PROXY and NO\_PROXY (or the lowercase versions thereof). Requests use the proxy from the environment variable matching their scheme, unless excluded by NO\_PROXY. `proxy_url` and `no_proxy` must not be configured if `proxy_from_environment` is configured.

`proxy_connect_header` should only be configured if `proxy_url` or `proxy_from_environment` are configured.

When multiple `endpoint` blocks are provided, profiles are concurrently forwarded to all configured locations.

### basic\_auth block

Expand table

| Name            | Type     | Description                              | Default | Required |
|-----------------|----------|------------------------------------------|---------|----------|
| `password_file` | `string` | File containing the basic auth password. |         | no       |
| `password`      | `secret` | Basic auth password.                     |         | no       |
| `username`      | `string` | Basic auth username.                     |         | no       |

`password` and `password_file` are mutually exclusive, and only one can be provided inside a `basic_auth` block.

### authorization block

Expand table

| Name               | Type     | Description                                | Default | Required |
|--------------------|----------|--------------------------------------------|---------|----------|
| `credentials_file` | `string` | File containing the secret value.          |         | no       |
| `credentials`      | `secret` | Secret value.                              |         | no       |
| `type`             | `string` | Authorization type, for example, “Bearer”. |         | no       |

`credential` and `credentials_file` are mutually exclusive, and only one can be provided inside an `authorization` block.

### oauth2 block

Expand table

| Name                     | Type                | Description                                                                                      | Default | Required |
|--------------------------|---------------------|--------------------------------------------------------------------------------------------------|---------|----------|
| `client_id`              | `string`            | OAuth2 client ID.                                                                                |         | no       |
| `client_secret_file`     | `string`            | File containing the OAuth2 client secret.                                                        |         | no       |
| `client_secret`          | `secret`            | OAuth2 client secret.                                                                            |         | no       |
| `endpoint_params`        | `map(string)`       | Optional parameters to append to the token URL.                                                  |         | no       |
| `proxy_url`              | `string`            | HTTP proxy to send requests through.                                                             |         | no       |
| `no_proxy`               | `string`            | Comma-separated list of IP addresses, CIDR notations, and domain names to exclude from proxying. |         | no       |
| `proxy_from_environment` | `bool`              | Use the proxy URL indicated by environment variables.                                            | `false` | no       |
| `proxy_connect_header`   | `map(list(secret))` | Specifies headers to send to proxies during CONNECT requests.                                    |         | no       |
| `scopes`                 | `list(string)`      | List of scopes to authenticate with.                                                             |         | no       |
| `token_url`              | `string`            | URL to fetch the token from.                                                                     |         | no       |

`client_secret` and `client_secret_file` are mutually exclusive, and only one can be provided inside an `oauth2` block.

The `oauth2` block may also contain a separate `tls_config` sub-block.

`no_proxy` can contain IPs, CIDR notations, and domain names. IP and domain names can contain port numbers. `proxy_url` must be configured if `no_proxy` is configured.

`proxy_from_environment` uses the environment variables HTTP\_PROXY, HTTPS\_PROXY and NO\_PROXY (or the lowercase versions thereof). Requests use the proxy from the environment variable matching their scheme, unless excluded by NO\_PROXY. `proxy_url` and `no_proxy` must not be configured if `proxy_from_environment` is configured.

`proxy_connect_header` should only be configured if `proxy_url` or `proxy_from_environment` are configured.

### tls\_config block

Expand table

| Name                   | Type     | Description                                              | Default | Required |
|------------------------|----------|----------------------------------------------------------|---------|----------|
| `ca_pem`               | `string` | CA PEM-encoded text to validate the server with.         |         | no       |
| `ca_file`              | `string` | CA certificate to validate the server with.              |         | no       |
| `cert_pem`             | `string` | Certificate PEM-encoded text for client authentication.  |         | no       |
| `cert_file`            | `string` | Certificate file for client authentication.              |         | no       |
| `insecure_skip_verify` | `bool`   | Disables validation of the server certificate.           |         | no       |
| `key_file`             | `string` | Key file for client authentication.                      |         | no       |
| `key_pem`              | `secret` | Key PEM-encoded text for client authentication.          |         | no       |
| `min_version`          | `string` | Minimum acceptable TLS version.                          |         | no       |
| `server_name`          | `string` | ServerName extension to indicate the name of the server. |         | no       |

The following pairs of arguments are mutually exclusive and can’t both be set simultaneously:

- `ca_pem` and `ca_file`
- `cert_pem` and `cert_file`
- `key_pem` and `key_file`

When configuring client authentication, both the client certificate (using `cert_pem` or `cert_file`) and the client key (using `key_pem` or `key_file`) must be provided.

When `min_version` is not provided, the minimum acceptable TLS version is inherited from Go’s default minimum version, TLS 1.2. If `min_version` is provided, it must be set to one of the following strings:

- `"TLS10"` (TLS 1.0)
- `"TLS11"` (TLS 1.1)
- `"TLS12"` (TLS 1.2)
- `"TLS13"` (TLS 1.3)

## Exported fields

The following fields are exported and can be referenced by other components:

Expand table

| Name       | Type       | Description                                                |
|------------|------------|------------------------------------------------------------|
| `receiver` | `receiver` | A value that other components can use to send profiles to. |

## Component health

`pyroscope.write` is only reported as unhealthy if given an invalid configuration. In those cases, exported fields are kept at their last healthy values.

## Debug information

`pyroscope.write` does not expose any component-specific debug information.

## Example

Alloy ![Copy code to clipboard](/media/images/icons/icon-copy-small-2.svg) Copy

```alloy
pyroscope.write "staging" {
  // Send metrics to a locally running Pyroscope instance.
  endpoint {
    url = "http://pyroscope:4100"
    headers = {
      "X-Scope-OrgID" = "squad-1",
    }
  }
  external_labels = {
    "env" = "staging",
  }
}


pyroscope.scrape "default" {
  targets = [
    {"__address__" = "pyroscope:4100", "service_name"="pyroscope"},
    {"__address__" = "agent:12345", "service_name"="agent"},
  ]
  forward_to = [pyroscope.write.staging.receiver]
}
```

## Compatible components

`pyroscope.write` has exports that can be consumed by the following components:

- Components that consume [Pyroscope `ProfilesReceiver`](../../compatibility/#pyroscope-profilesreceiver-consumers)

> Note
> 
> Connecting some components may not be sensible or components may require further configuration to make the connection work correctly. Refer to the linked documentation for more details.
