[jira] [Created] (CAMEL-17726) route controller: allow to mark a route as failed

["Luca Burgazzoli (Jira)" <ji...@apache.org>]

Luca Burgazzoli created CAMEL-17726:
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             Summary: route controller: allow to mark a route as failed
                 Key: CAMEL-17726
                 URL: https://issues.apache.org/jira/browse/CAMEL-17726
             Project: Camel
          Issue Type: New Feature
          Components: camel-controlbus, camel-core
            Reporter: Luca Burgazzoli


The camel-controlbus allow to control routes i.e. you can stop it.

In some circumstances it may be useful to stop a route as pat of the error handling strategy and let the health check report the application as not ready.

As example, one may think to do something like:

{code:java}
from("timer:tick")
        .routeId("main")
        .process(e -> { throw new RuntimeCamelException("error happended")); })
        .errorHandler(deadLetterChannel("controlbus:route?routeId=current&action=stop"))
        .to("log:info?showAll=true");
{code}

This would result in the route being stopped but the health check won't report the application as not ready because:
- the RouteHealthCheck code would report the route as UNKNOWN
- the RouteError is cleared up when the route is stopped.

It may be useful to enrich the control-bus with some additional *failure* attributes, something like:

{code}
controlbus:route?routeId=current&action=stop&fail=true&propagateException=true"
{code}

Where:

# *fail=true* tells the control bus that the route should be stopped but also marked as failed
# *propagateException=true* tells the control bus that if the exchange is failed, the exception need to be propagated to the route



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