[GitHub] [camel] davsclaus commented on pull request #5191: Exemple of uber bundle embedding azure in camel component

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davsclaus commented on pull request #5191:
URL: https://github.com/apache/camel/pull/5191#issuecomment-795294607


   I now had a little time to look at this (was busy with core optimizations)
   
   1)
   Overall I think we should make camel-karaf the home for Camel on OSGi. And we can do this by doing like we do for camel-spring-boot or camel-quarkus (or for the matter with camel-kafka-connector). And that is to have this project host the supported Camel components. 
   
   2)
   I would therefore suggest to use this PR as an experiment for starting this work.
   
   This can be done by:
   
   a) creating camel-azure-eventbus-osgi as an component in camel-karaf/components (or maybe better yet a new root folder name for these uber bundles, eg camel-karaf/bundles or camel-karaf/uber-components - or some other better name)
   b) do the uber jar thingy in the pom.xml of this new component
   c) release this component as part of camel-karaf with its own GAV (org.apache.camek.karaf/camel-azure-eventbus-osgi/3.9.0)
   d) add this component to the features.xml file so we can experiment with installing it in Karaf like you can do with all the "classic" components today
   e) and leave this core camel project as-is today
   
   3)
   Get a release out 3.9 with this experiment. For 1 or a few more components. eg maybe try the other azure components.
   
   4)
   Work on automating this more for the future. eg in camel-spring-boot there is maven tooling that generates the camel spring boot starter components. And to add a new component there is a shell script to run that calls this maven tool.
   
   5)
   The manual hand craft of the import,expert OSGi in the pom.xml - lets see if we can automate that. It would be to error prone / manual way to do this by hand for all 200+ components to use in OSGi.
   
   6)
   Also maybe instead of trying to make uber JARs in camel-karaf. Experiment with a new installer in Karaf that can take a plain JAR (eg camel-http) and inside this JAR you can find the maven pom.xml, and then load that, and use to compute the dependency set. And assemble an Uber JAR on-the-fly. 
   
   /Claus
   


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