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.
Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.
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" { }