HTTP Source
Provided by: "Apache Software Foundation"
Support Level for this Kamelet is: "Stable"
Periodically fetches an HTTP resource and provides the content as output.
Configuration Options
The following table summarizes the configuration options available for the http-source Kamelet:
| Property | Name | Description | Type | Default | Example |
|---|---|---|---|---|---|
URL | Required The URL to fetch for data. | string | https://gist.githubusercontent.com/nicolaferraro/e3c72ace3c751f9f88273896611ce5fe/raw/3b6f54060bacb56b6719b7386a4645cb59ad6cc1/quote.json | ||
Content Type | The content type accepted for the resource. | string | application/json | ||
Period between Updates | The interval between fetches in milliseconds. | integer | 10000 |
Dependencies
At runtime, the http-source Kamelet relies upon the presence of the following dependencies:
-
camel:http
-
camel:kamelet
-
camel:core
-
camel:timer
Camel JBang usage
Prerequisites
-
You’ve installed JBang.
-
You have executed the following command:
jbang app install camel@apache/camelSupposing you have a file named route.yaml with this content:
- route:
from:
uri: "kamelet:timer-source"
parameters:
period: 10000
message: 'test'
steps:
- to:
uri: "kamelet:log-sink"You can now run it directly through the following command
camel run route.yamlCamel K Environment Usage
This section describes how you can use the http-source.
Knative source
You can use the http-source Kamelet as a Knative source by binding it to a Knative object.
apiVersion: camel.apache.org/v1
kind: Pipe
metadata:
name: http-source-pipe
spec:
source:
ref:
kind: Kamelet
apiVersion: camel.apache.org/v1
name: http-source
properties:
url: https://gist.githubusercontent.com/nicolaferraro/e3c72ace3c751f9f88273896611ce5fe/raw/3b6f54060bacb56b6719b7386a4645cb59ad6cc1/quote.json
sink:
ref:
kind: Channel
apiVersion: messaging.knative.dev/v1
name: mychannelPrerequisite
You have Camel K installed on the cluster.
Procedure for using the cluster CLI
-
Save the
http-source-pipe.yamlfile to your local drive, and then edit it as needed for your configuration. -
Run the source by using the following command:
kubectl apply -f http-source-pipe.yaml
Procedure for using the Kamel CLI
Configure and run the source by using the following command:
kamel bind channel:mychannel -p "source.url=\https://gist.githubusercontent.com/nicolaferraro/e3c72ace3c751f9f88273896611ce5fe/raw/3b6f54060bacb56b6719b7386a4645cb59ad6cc1/quote.json" http-sourceThis command creates the Kamelet Pipe in the current namespace on the cluster.
Kafka source
You can use the http-source Kamelet as a Kafka source by binding it to a Kafka topic.
apiVersion: camel.apache.org/v1
kind: Pipe
metadata:
name: http-source-pipe
spec:
source:
ref:
kind: Kamelet
apiVersion: camel.apache.org/v1
name: http-source
properties:
url: https://gist.githubusercontent.com/nicolaferraro/e3c72ace3c751f9f88273896611ce5fe/raw/3b6f54060bacb56b6719b7386a4645cb59ad6cc1/quote.json
sink:
ref:
kind: KafkaTopic
apiVersion: kafka.strimzi.io/v1beta1
name: my-topicPrerequisites
-
You’ve installed Strimzi.
-
You’ve created a topic named
my-topicin the current namespace. -
You have Camel K installed on the cluster.
Procedure for using the cluster CLI
-
Save the
http-source-pipe.yamlfile to your local drive, and then edit it as needed for your configuration. -
Run the source by using the following command:
kubectl apply -f http-source-pipe.yaml
Procedure for using the Kamel CLI
Configure and run the source by using the following command:
kamel bind kafka.strimzi.io/v1beta1:KafkaTopic:my-topic -p "source.url=\https://gist.githubusercontent.com/nicolaferraro/e3c72ace3c751f9f88273896611ce5fe/raw/3b6f54060bacb56b6719b7386a4645cb59ad6cc1/quote.json" http-sourceThis command creates the Kamelet Pipe in the current namespace on the cluster.