set-labels: Simple Example #

Overview #

This example demonstrates how to declaratively run set-labels function to upsert labels to the .metadata.labels field on all resources.

Fetch the example package #

Get the example package by running the following commands:

$ kpt pkg get https://github.com/kptdev/krm-functions-catalog/tree/master/examples/set-labels-simple

We use the following Kptfile to configure the function.

apiVersion: kpt.dev/v1
kind: Kptfile
metadata:
  name: example
pipeline:
  mutators:
    - image: ghcr.io/kptdev/krm-functions-catalog/set-labels:latest
      configMap:
        color: orange
        fruit: apple

The desired labels are provided as key-value pairs through ConfigMap.

Function invocation #

Invoke the function by running the following commands:

$ kpt fn render set-labels-simple

Expected result #

Check all resources have 2 labels color: orange and fruit: apple.