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Chapter 50. Slack Source
Receive messages from a Slack channel.
50.1. Configuration Options
The following table summarizes the configuration options available for the slack-source Kamelet:
| Property | Name | Description | Type | Default | Example |
|---|---|---|---|---|---|
| channel * | Channel | The Slack channel to receive messages from | string |
| |
| token * | Token | The token to access Slack. A Slack app is needed. This app needs to have channels:history and channels:read permissions. The Bot User OAuth Access Token is the kind of token needed. | string |
Fields marked with an asterisk (*) are mandatory.
50.2. Dependencies
At runtime, the slack-source Kamelet relies upon the presence of the following dependencies:
- camel:kamelet
- camel:slack
- camel:jackson
50.3. Usage
This section describes how you can use the slack-source.
50.3.1. Knative Source
You can use the slack-source Kamelet as a Knative source by binding it to a Knative object.
slack-source-binding.yaml
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
name: slack-source-binding
spec:
source:
ref:
kind: Kamelet
apiVersion: camel.apache.org/v1alpha1
name: slack-source
properties:
channel: "#myroom"
token: "The Token"
sink:
ref:
kind: Channel
apiVersion: messaging.knative.dev/v1
name: mychannel
50.3.1.1. Prerequisite
Make sure you have "Red Hat Integration - Camel K" installed into the OpenShift cluster you’re connected to.
50.3.1.2. Procedure for using the cluster CLI
-
Save the
slack-source-binding.yamlfile to your local drive, and then edit it as needed for your configuration. Run the source by using the following command:
oc apply -f slack-source-binding.yaml
50.3.1.3. Procedure for using the Kamel CLI
Configure and run the source by using the following command:
kamel bind slack-source -p "source.channel=#myroom" -p "source.token=The Token" channel:mychannel
This command creates the KameletBinding in the current namespace on the cluster.
50.3.2. Kafka Source
You can use the slack-source Kamelet as a Kafka source by binding it to a Kafka topic.
slack-source-binding.yaml
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
name: slack-source-binding
spec:
source:
ref:
kind: Kamelet
apiVersion: camel.apache.org/v1alpha1
name: slack-source
properties:
channel: "#myroom"
token: "The Token"
sink:
ref:
kind: KafkaTopic
apiVersion: kafka.strimzi.io/v1beta1
name: my-topic
50.3.2.1. 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.
50.3.2.2. Procedure for using the cluster CLI
-
Save the
slack-source-binding.yamlfile to your local drive, and then edit it as needed for your configuration. Run the source by using the following command:
oc apply -f slack-source-binding.yaml
50.3.2.3. Procedure for using the Kamel CLI
Configure and run the source by using the following command:
kamel bind slack-source -p "source.channel=#myroom" -p "source.token=The Token" kafka.strimzi.io/v1beta1:KafkaTopic:my-topic
This command creates the KameletBinding in the current namespace on the cluster.
