vfarcic

Creating StorageClass with NFS Client Provisioner

We already have an NFS server so the next step is to install NFS client as a StorageClass. We'll use kubernetes nfs-client-provisioner.

Since the provisioner will need to interact with Kube API and we have RBAC enabled, the first step is to create a ServiceAccount.

curl https://raw.githubusercontent.com/kubernetes-incubator/external-storage/master/nfs-client/deploy/auth/serviceaccount.yaml

petitviolet

what is this?

scala.concurrent.Future let asynchronous programming easily. We can process a code block asynchronously by providing it to Future.apply. The timing to start processing is just Future.apply invoked. (also, needs a idling thread.) Therefore, pay attention to the timing to call it.

not in parallel

petitviolet

package net.petitviolet.ex.persistence.task

import akka.NotUsed
import akka.actor._
import akka.pattern.ask
import akka.stream.actor.ActorSubscriberMessage.{ OnComplete, OnNext }
import akka.stream.actor.{ ActorPublisher, ActorSubscriber, OneByOneRequestStrategy, RequestStrategy }
import akka.stream.{ ActorMaterializer, ClosedShape }
import akka.util.Timeout
import org.reactivestreams.Publisher

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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