Gonçalo Pereira created CAMEL-16346:
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Summary: camel-main fails to load component properties from
Enviroment variables
Key: CAMEL-16346
URL: https://issues.apache.org/jira/browse/CAMEL-16346
Project: Camel
Issue Type: Bug
Components: camel-main
Affects Versions: 3.8.0
Reporter: Gonçalo Pereira
This bug was originally reported in
[camel.zulipchat.com|[https://camel.zulipchat.com/#narrow/stream/257302-camel-quarkus/topic/Components.20configuration.20via.20environment.20variables].]
When trying to configure camel components using environment variables like
{{CAMEL_COMPONENT_AWS2_S3_ACCESSKEY}}, camel fails to configure with the
following error:
{code:java}
Failed to start application: java.lang.IllegalArgumentException: Error
configuring property: camel.component.aws2.s3.overrideendpoint because cannot
find component with name aws2. Make sure you have the component on the classpath
at
org.apache.camel.main.BaseMainSupport.lambda$autoConfigurationFromProperties$24(BaseMainSupport.java:1216)
at
org.apache.camel.main.MainHelper.computeProperties(MainHelper.java:266)
at
org.apache.camel.main.BaseMainSupport.autoConfigurationFromProperties(BaseMainSupport.java:1212)
at
org.apache.camel.main.BaseMainSupport.autoconfigure(BaseMainSupport.java:400)
at
org.apache.camel.main.BaseMainSupport.postProcessCamelContext(BaseMainSupport.java:528)
at
org.apache.camel.quarkus.main.CamelMain.initCamelContext(CamelMain.java:108)
at org.apache.camel.quarkus.main.CamelMain.doInit(CamelMain.java:78)
at
org.apache.camel.support.service.BaseService.init(BaseService.java:83)
at
org.apache.camel.quarkus.main.CamelMain.startEngine(CamelMain.java:129)
at
org.apache.camel.quarkus.main.CamelMainRuntime.start(CamelMainRuntime.java:49)
at
org.apache.camel.quarkus.core.CamelBootstrapRecorder.start(CamelBootstrapRecorder.java:45)
...
{code}
Also using {{CAMEL_COMPONENT_AWS2-S3_ACCESSKEY}} is not an option as it won't
work and uses non-allowed characters for environment variables.
In the thread the following suggestions where made by [[email protected]]:
* _we could make the ENV only be able to configure 1 level deep, and count the
_ then we know if its part of component name or not_
* _some magic word, like _DASH_ eg so you do AWS2_DASH_SQS_SECRET_TOKEN = 123_
* _make a known list of component names via camel-catalog, and source code
generate it into camel-main so it knows that AWS2_SQS is the component name_
The issue was pinpointed to the following line:
https://github.com/apache/camel/blob/690d64b19d813ee429857557f28c82f8d755d402/core/camel-main/src/main/java/org/apache/camel/main/MainHelper.java#L59
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