Grafana Loki documentation Clients Promtail Stages labeldrop

labeldrop

The labeldrop stage is an action stage that drops labels from the label set that is sent to Loki with the log entry.

Schema

labeldrop:
  - [<string>]
  ...

Examples

For the given pipeline:

- replace:
    expression: "(.*)"
    replace: "pod_name:{{ .kubernetes_pod_name }} {{ .Value }}"
- labeldrop:
    - kubernetes_pod_name

Given the following log line:

log message\n

The first stage would append the value of thekubernetes_pod_name label into the beginning of the log line. The labeldrop stage would drop the label from being sent to Loki, and it would now be part of the log line instead.