dgrove-oss edited a comment on issue #443: A tutorial for deploying openwhisk 
on kube without using helm
URL: 
https://github.com/apache/incubator-openwhisk-deploy-kube/issues/443#issuecomment-474506812
 
 
   You'll need some level of privilege to deploy OpenWhisk on Kubernetes 
because the OpenWhisk invokers need to be able to create additional containers 
to execute the user's functions. 
   
   When using the DockerContainerFactory, this is done by mounting several 
Docker-related volumes of the worker node via hostPath mounts into the invoker 
container (see 
https://github.com/apache/incubator-openwhisk-deploy-kube/blob/master/helm/openwhisk/templates/_invoker-helpers.tpl#L5-#L21)
   
   When using the KubernetesContainerFactory, this is done by giving the 
Invoker Pod increased privileges so it can create pods itself (see 
https://github.com/apache/incubator-openwhisk-deploy-kube/blob/master/helm/openwhisk/templates/invoker-role.yaml).
   

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