[GitHub] [camel-k] evanshortiss commented on issue #1715: Environment Variables from Secrets

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evanshortiss commented on issue #1715:
URL: https://github.com/apache/camel-k/issues/1715#issuecomment-698961863


   Thank you @lburgazzoli, those are both nice options!
   
   My confusion is stemming from the fact that normally I can attach a secret to the environment like so:
   
   ```
   - name: DB_USER
               valueFrom:
                   secretKeyRef:
                     key: DB_USER
                     name: db-login-secret
   ```
   
   Then in properties, for say a Quarkus application, I can do `db.usr=${HOST:DB_USER}`.  It seems like with kamel, the secret must contain a properties format file?
   
   My reasoning for this question is I have my DB info in a pre-existing secret:
   
   ```
   apiVersion: v1
   data:
     POSTGRES_PASSWORD: cGFzc3dvcmQK
     POSTGRES_USER: dXNlcgo=
   kind: Secret
   metadata:
     name: db-login
   type: Opaque
   ```
   
   And I have my properties like so in a config map:
   
   ```
   kafka.host=cluster-kafka-brokers
   kafka.port=9092
   
   kafka.serializerClass=kafka.serializer.StringEncoder
   
   # Kafka meter consumer properties 
   consumer.topic=meters
   consumer.group=CamelMeters
   consumer.maxPollRecords=5000
   consumer.consumersCount=1
   consumer.seekTo=beginning
   
   # Can I pull these from a secret/environment?
   camel.beans.dataSource.username = {{db.usr}}
   camel.beans.dataSource.password = {{db.pwd}}
   ```


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