[GitHub] sven-lange-last commented on issue #4244: Error when deploying: Failed to initialize reactive invoker

[GitBox <gi...@apache.org>]

sven-lange-last commented on issue #4244: Error when deploying: Failed to initialize reactive invoker
URL: https://github.com/apache/incubator-openwhisk/issues/4244#issuecomment-460921382
 
 
   You are running OpenWhisk on Kubernetes and try to use the Docker variant with `whisk.core.containerpool.docker.DockerContainerFactoryProvider`.
   
   Are you sure that your Kubernetes cluster is using Docker under the covers to manage its pods? If there is no Docker daemon running on your cluster's worker nodes, this option won't work.
   
   If you are sure Docker is running, you need to mount the Docker daemon socket into the invoker pod such that the invoker can access it. You likely need these volumes:
   
   ```
         volumes:
           - name: cgroup
             hostPath:
               path: "/sys/fs/cgroup"
           - name: runc
             hostPath:
               path: "/run/runc"
           - name: dockerrootdir
             hostPath:
               path: "/var/lib/docker/containers"
           - name: dockersock
             hostPath:
               path: "/var/run/docker.sock"
           - name: apparmor
             hostPath:
               path: "/usr/lib/x86_64-linux-gnu/libapparmor.so.1"
   ```
   
   If there are problems accessing the docker socket or some of the directories, think about running the invoker as a privileged pod.
   
   If no Docker is running under the covers, you have to use the Kubernetes container factory - see https://github.com/apache/incubator-openwhisk-deploy-kube/blob/master/docs/configurationChoices.md#invoker-container-factory.

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