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.
loki.echo
BETA: This is a beta component. Beta components are subject to breaking changes, and may be replaced with equivalent functionality that cover the same use case.
loki.echo receives log entries from other loki components and prints them
to the process’ standard output (stdout).
Multiple loki.echo components can be specified by giving them
different labels.
Usage
loki.echo "LABEL" {}Arguments
loki.echo accepts no arguments.
Exported fields
The following fields are exported and can be referenced by other components:
| Name | Type | Description |
|---|---|---|
receiver | LogsReceiver | A value that other components can use to send log entries to. |
Component health
loki.echo is only reported as unhealthy if given an invalid configuration.
Debug information
loki.echo does not expose any component-specific debug information.
Example
This example creates a pipeline that reads log files from /var/log and
prints log lines to echo:
local.file_match "varlog" {
path_targets = [{
__path__ = "/var/log/*log",
job = "varlog",
}]
}
loki.source.file "logs" {
targets = local.file_match.varlog.targets
forward_to = [loki.echo.example.receiver]
}
loki.echo "example" { }Compatible components
loki.echo has exports that can be consumed by the following components:
- Components that consume Loki
LogsReceiver
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.



