Christoph Deppisch created CAMEL-21336:
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Summary: Allow Kamelets configured by EnvVars only
Key: CAMEL-21336
URL: https://issues.apache.org/jira/browse/CAMEL-21336
Project: Camel
Issue Type: Bug
Components: camel-kamelet
Affects Versions: 4.8.0
Reporter: Christoph Deppisch
Kamelets may be configured via environment variables following the property
component syntax like CAMEL_KAMELET_AWS_S3_SOURCE_BUCKET_NAME_OR_ARN=myArn
Apparently the Kamelet property validation for required parameters raises
exceptions when initializing the Kamelet. This is because the config properties
configured via environment variables are not considered in the validation
process.
The raised exception looks like this:
{noformat}
s3-sink-deployment-7886f69cc-khspt sink Caused by:
java.lang.IllegalArgumentException: Route template aws-s3-sink the following
mandatory parameters must be provided: bucketNameOrArn, region
s3-sink-deployment-7886f69cc-khspt sink at
org.apache.camel.impl.DefaultModel.addRouteFromTemplate(DefaultModel.java:477)
s3-sink-deployment-7886f69cc-khspt sink at
org.apache.camel.impl.DefaultModel.addRouteFromTemplate(DefaultModel.java:416)
s3-sink-deployment-7886f69cc-khspt sink at
org.apache.camel.impl.DefaultCamelContext.addRouteFromTemplate(DefaultCamelContext.java:362)
s3-sink-deployment-7886f69cc-khspt sink at
org.apache.camel.component.kamelet.KameletComponent$LifecycleHandler.createRouteForEndpoint(KameletComponent.java:433)
s3-sink-deployment-7886f69cc-khspt sink ... 28 more
s3-sink-deployment-7886f69cc-khspt sink {noformat}
As a workaround users need to set an empty Kamelet property value e.g.g via
application.properties to pass the Kamelet validation and then overwrite the
value with the environment variable.
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