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Chapter 47. Log Sink

A sink that logs all data that it receives, useful for debugging purposes.

47.1. Configuration Options

The following table summarizes the configuration options available for the log-sink Kamelet:

Property	Name	Description	Type	Default	Example
showHeaders	Show Headers	Show the headers received	boolean	`false`
showStreams	Show Streams	Show the stream bodies (they may not be available in following steps)	boolean	`false`

Note

Fields marked with an asterisk (*) are mandatory.

47.2. Dependencies

At runtime, the log-sink Kamelet relies upon the presence of the following dependencies:

camel:kamelet
camel:log

47.3. Usage

This section describes how you can use the log-sink.

47.3.1. Knative Sink

You can use the log-sink Kamelet as a Knative sink by binding it to a Knative object.

log-sink-binding.yaml

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: log-sink-binding
spec:
  source:
    ref:
      kind: Channel
      apiVersion: messaging.knative.dev/v1
      name: mychannel
  sink:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: log-sink

47.3.1.1. Prerequisite

Make sure you have "Red Hat Integration - Camel K" installed into the OpenShift cluster you’re connected to.

47.3.1.2. Procedure for using the cluster CLI

Save the log-sink-binding.yaml file to your local drive, and then edit it as needed for your configuration.
Run the sink by using the following command:
```
oc apply -f log-sink-binding.yaml
```

47.3.1.3. Procedure for using the Kamel CLI

Configure and run the sink by using the following command:

kamel bind channel:mychannel log-sink

This command creates the KameletBinding in the current namespace on the cluster.

47.3.2. Kafka Sink

You can use the log-sink Kamelet as a Kafka sink by binding it to a Kafka topic.

log-sink-binding.yaml

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: log-sink-binding
spec:
  source:
    ref:
      kind: KafkaTopic
      apiVersion: kafka.strimzi.io/v1beta1
      name: my-topic
  sink:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: log-sink

47.3.2.1. Prerequisites

Ensure that you’ve installed the AMQ Streams operator in your OpenShift cluster and created a topic named my-topic in the current namespace. Make also sure you have "Red Hat Integration - Camel K" installed into the OpenShift cluster you’re connected to.

47.3.2.2. Procedure for using the cluster CLI

Save the log-sink-binding.yaml file to your local drive, and then edit it as needed for your configuration.
Run the sink by using the following command:
```
oc apply -f log-sink-binding.yaml
```

47.3.2.3. Procedure for using the Kamel CLI

Configure and run the sink by using the following command:

kamel bind kafka.strimzi.io/v1beta1:KafkaTopic:my-topic log-sink

This command creates the KameletBinding in the current namespace on the cluster.

47.4. Kamelet source file

https://github.com/openshift-integration/kamelet-catalog/log-sink.kamelet.yaml