Caution
Grafana Alloy is the new name for our distribution of the OTel collector. Grafana Agent has been deprecated and is in Long-Term Support (LTS) through October 31, 2025. Grafana Agent will reach an End-of-Life (EOL) on November 1, 2025. Read more about why we recommend migrating to Grafana Alloy.
otelcol.auth.basic
otelcol.auth.basic exposes a handler that can be used by other otelcol
components to authenticate requests using basic authentication.
This extension supports both server and client authentication.
NOTE:
otelcol.auth.basicis a wrapper over the upstream OpenTelemetry Collectorbasicauthextension. Bug reports or feature requests will be redirected to the upstream repository, if necessary.
Multiple otelcol.auth.basic components can be specified by giving them
different labels.
Usage
otelcol.auth.basic "LABEL" {
username = "USERNAME"
password = "PASSWORD"
}Arguments
otelcol.auth.basic supports the following arguments:
| Name | Type | Description | Default | Required |
|---|---|---|---|---|
username | string | Username to use for basic authentication requests. | yes | |
password | secret | Password to use for basic authentication requests. | yes |
Exported fields
The following fields are exported and can be referenced by other components:
| Name | Type | Description |
|---|---|---|
handler | capsule(otelcol.Handler) | A value that other components can use to authenticate requests. |
Component health
otelcol.auth.basic is only reported as unhealthy if given an invalid
configuration.
Debug information
otelcol.auth.basic does not expose any component-specific debug information.
Example
This example configures otelcol.exporter.otlp to use basic authentication:
otelcol.exporter.otlp "example" {
client {
endpoint = "my-otlp-grpc-server:4317"
auth = otelcol.auth.basic.creds.handler
}
}
otelcol.auth.basic "creds" {
username = "demo"
password = env("API_KEY")
}


