Kubernetes 1.4 Update @ DevFest Kansai

by Ian Lewis

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Ian Lewis Developer Advocate, Google Cloud Platform Kubernetes 1.4 Update DevFest Kansai

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Confidential & Proprietary Google Cloud Platform 2 Ian Lewis Developer Advocate - Google Cloud Platform Tokyo, Japan +Ian Lewis @IanMLewis

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Confidential & Proprietary Google Cloud Platform 3 I made this!

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Agenda ● Kubernetes/GKE/GCP Overview ● Kubernetes 1.4 Update ● GKE Update

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Agenda ● Kubernetes/GKE/GCP Overview ● Kubernetes 1.4 Update ● Pokemon Goの話

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Confidential & Proprietary Google Cloud Platform 6 Kubernetes/GKE/GCP Overview

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Container Image Dependencies Application Code Containers encapsulate application code and all dependencies. Applications can be depend less on the infrastructure where it runs. • In traditional IT environments, applications needed specific infrastructure. Dependencies needed to be installed beforehand. • Containers incorporate applications and their dependencies so deployment to development, test, and production can be made easier. • Don’t need to be dependent on on-premise, private or public cloud environments. What are Containers?

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Fast Simple and Fast compared to VMs. Can be started in just a few milliseconds. Portable Can be run in a many environments. Efficiency Low overhead. Resources use by containers can be limited. Why Containers?

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Copyright 2015 Google Inc Container Management Node Node Cluster Node ??? ● How to deploy to multiple nodes? ● How to deal with node failures? ● How to deal with container failures? ● How do you update your applications?

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http://research.google.com/pubs/pub43438.html

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Enter Kubernetes Greek for “Helmsman”; also the root of the word “Governor” • Container orchestrator • Runs containers • Supports multiple cloud and bare-metal environments • Inspired and informed by Google’s experiences and internal systems • Open source, written in Go Manage applications, not machines

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Confidential & Proprietary Google Cloud Platform 13 CNCF(Cloud Native Computing Foundation)

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Confidential & Proprietary Google Cloud Platform 14 Community ● Current stable version: 1.4 ● 930+ contributors ● over 17,000 github stars Project Partners

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Google Cloud Platform UI CLI API users master nodes etcd scheduler controllers master The 10000 Foot View kubelet kubelet kubelet kubelet kubelet kubelet kubelet kubelet kubelet

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Google Cloud Platform UI All you really care about API Container Cluster

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web browsers BorgMaster link shard UI shard BorgMaster link shard UI shard BorgMaster link shard UI shard BorgMaster link shard UI shard Scheduler borgcfg web browsers scheduler Borglet Borglet Borglet Borg Kubernetes Borglet Config file BorgMaster link shard UI shard persistent store (Paxos) manifest.yaml Master Kubelet etcd Kubelet Kubelet Binary Docker Image Docker Hub/Private Repo Kubelet kubernetes-dashboard

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Google Cloud Platform observe diff act Deployments & ReplicaSets

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Google Cloud Platform Deployments ReplicaSet - replicas: 3 - selector: - app: MyApp - version: v1 Deployment - name: MyApp kubectl create ...

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Google Cloud Platform Deployments ReplicaSet - replicas: 4 - selector: - app: MyApp - version: v1 Deployment - name: MyApp kubectl create ...

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Google Cloud Platform Deployments ReplicaSet - replicas: 3 - selector: - app: MyApp - version: v1 Deployment - name: MyApp kubectl create ...

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Google Cloud Platform Deployments ReplicaSet - replicas: 3 - selector: - app: MyApp - version: v1 Deployment - name: MyApp kubectl create ...

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Google Cloud Platform Rolling Updates ReplicaSet - replicas: 3 - selector: - app: MyApp - version: v1 Deployment - name: MyApp kubectl apply ...

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Google Cloud Platform ReplicaSet - replicas: 3 - selector: - app: MyApp - version: v1 Rolling Updates ReplicaSet - replicas: 0 - selector: - app: MyApp - version: v2 Deployment - name: MyApp

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Google Cloud Platform ReplicaSet - replicas: 3 - selector: - app: MyApp - version: v1 ReplicaSet - replicas: 1 - selector: - app: MyApp - version: v2 Rolling Updates Deployment - name: MyApp

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Google Cloud Platform ReplicaSet - replicas: 2 - selector: - app: MyApp - version: v1 ReplicaSet - replicas: 1 - selector: - app: MyApp - version: v2 Rolling Updates Deployment - name: MyApp

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Google Cloud Platform ReplicaSet - replicas: 2 - selector: - app: MyApp - version: v1 ReplicaSet - replicas: 2 - selector: - app: MyApp - version: v2 Rolling Updates Deployment - name: MyApp

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Google Cloud Platform ReplicaSet - replicas: 1 - selector: - app: MyApp - version: v1 ReplicaSet - replicas: 2 - selector: - app: MyApp - version: v2 Rolling Updates Deployment - name: MyApp

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Google Cloud Platform ReplicaSet - replicas: 1 - selector: - app: MyApp - version: v1 ReplicaSet - replicas: 3 - selector: - app: MyApp - version: v2 Rolling Updates Deployment - name: MyApp

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Google Cloud Platform ReplicaSet - replicas: 0 - selector: - app: MyApp - version: v1 ReplicaSet - replicas: 3 - selector: - app: MyApp - version: v2 Rolling Updates Deployment - name: MyApp

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Google confidential │ Do not distribute Services A group of pods that work together • grouped by a selector Defines access policy • “load balanced” or “headless” Gets a stable virtual IP and port • sometimes called the service portal • also a DNS name VIP is managed by kube-proxy • watches all services • updates iptables when backends change Hides complexity - ideal for non-native apps Virtual IP Client

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Monitoring Mobile Development Compute Network Big Data Storage

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Confidential & Proprietary Google Cloud Platform 33 Kubernetes 1.4

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Confidential & Proprietary Google Cloud Platform 34 New Features 1. UX Improvements 2. Stateful Application Support 3. Cluster Federation 4. Security

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Confidential & Proprietary Google Cloud Platform 35 Cluster Creation UX 1. kubeadm 2. API audit logs

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Confidential & Proprietary Google Cloud Platform 36 Application Support 1. StorageClass

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Confidential & Proprietary Google Cloud Platform 37 Federation 1. ReplicaSets 2. Secrets 3. Namespaces 4. Events

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