[GitHub] [camel-k] astefanutti edited a comment on issue #2693: Expose UDP port using traits and make it accessible outside of the pod

[GitBox]

astefanutti edited a comment on issue #2693:
URL: https://github.com/apache/camel-k/issues/2693#issuecomment-943146900


   As of Camel K version 1.6, the auto-configuration of the container port is 
only available for the HTTP protocol, as reported by the condition:
   
   ```
   Conditions:
     Type              Status  Reason               Message
     ServiceAvailable  False   ServiceNotAvailable  no http service required
   ```
   
   You can achieve it manually, by exposing the container port using the `kamel 
run --pod-template` option, with the following `template.yaml` file:
   
   ```yaml
   containers:
     - name: integration
       ports:
         - containerPort: 8443
           protocol: UDP
   ```
   
   And creating the Service manually, e.g.:
   
   ```sh
   $ cat <<EOF | kubectl apply -f -
   apiVersion: v1
   kind: Service
   metadata:
     name: service
   spec:
     selector:
       camel.apache.org/integration: sys-log-basic
     ports:
       - protocol: UDP
         port: 8443
         targetPort: 8443
   EOF
   ```
   
   Then you can run the integration with:
   
   ```sh
   $ kamel run SysLogBasic.java --pod-template template.yaml -d camel-syslog
   ```
   
   And send a Syslog trace using Netcat, e.g.:
   
   ```sh
   $ kubectl run -i --rm debug --image=busybox --restart=Never --command -- sh 
-c "echo '<34>Oct 11 22:14:15 mymachine su: failed on /dev/pts/8' | nc -u -w1 
service 8443"
   ```
   
   Finally you can check in the integration logs the trace has been processed, 
e.g.:
   
   ```console
   $ kubectl logs -l camel.apache.org/integration=sys-log-basic
   2021-10-14 08:09:36,436 INFO  [io.quarkus] (main) camel-k-integration 
1.7.0-SNAPSHOT on JVM (powered by Quarkus 2.2.0.Final) started in 1.684s. 
   2021-10-14 08:09:36,436 INFO  [io.quarkus] (main) Profile prod activated. 
   2021-10-14 08:09:36,437 INFO  [io.quarkus] (main) Installed features: 
[camel-bean, camel-core, camel-java-joor-dsl, camel-k-core, camel-k-runtime, 
camel-log, camel-netty, camel-syslog, cdi]
   2021-10-14 08:39:06,842 INFO  [info] (Camel (camel-1) thread #1 - 
NettyConsumerExecutorGroup) Exchange[ExchangePattern: InOnly, BodyType: 
org.apache.camel.component.syslog.SyslogMessage, Body: <34>Oct 11 22:14:15 
mymachine su: failed on /dev/pts/8]
   ```
   
   I've re-titled the issue to make it specific to UDP. We'll work on it ASAP.


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