Recap of de code 2019
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The document summarizes the speaker's experience at the de:code 2019 technical conference hosted by Microsoft. It discusses several sessions that were of interest, including Windows containers, Virtual Kubelet which allows Kubernetes to manage non-node resources, Kubernetes-based event-driven autoscaling (KEDA), and NetApp services. It also provides a demo of using Virtual Kubelet to run both Linux and Windows containers on AKS clusters through Azure container instances, showing how the pods are scheduled on virtual nodes.
Recap of de code 2019
- 1. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 1/33 Recap of de:code 2019
- 2. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 2/33 Kyohei Mizumoto(@kyohmizu) C# Software Engineer Interests Docker/Kubernetes Go Security whoami
- 3. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 3/33 de:code 2019 https://www.microsoft.com/ja-jp/events/decode/2019/default.aspx The technical conference for all IT engineers hosted by Microsoft Held on 29th, 30th May
- 4. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 4/33 de:code 2019 Most of sessions are about Microsoft Azure Lots of sessions about AKS The number of introduction examples is increasing Their ervices(cloud services especially) are getting sophisticated More simple, more functional
- 5. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 5/33 What I was interested in Windows Containers Virtual Kubelet Kubernetes-based Event-driven Autoscaling(KEDA) NetApp Services
- 6. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 6/33 Windows Containers
- 7. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 7/33 Windows Containers on k8s https://cloudblogs.microsoft.com/opensource/2019/03/25/windows- server-containers-now-supported-kubernetes/ Single Kubernetes cluster can have both Linux nodes and Windows Server nodes
- 8. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 8/33 Windows Containers on AKS https://docs.microsoft.com/en-us/azure/aks/windows-container-cli Preview feature Multiple nood pools You need to: Install aks-preview CLI extension Add a Windows Server node pool
- 9. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 9/33 Virtual Kubelet
- 10. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 10/33 Virtual Kubelet https://github.com/Virtual-Kubelet/Virtual-Kubelet "Kubernetes API on top, programmable back." Allows the nodes to be backed by other services (ACI, AWS Fargate, IoT Edge etc) Enable the extension of the k8s API into serverless container platforms Denoted to CNCF from Microsoft
- 11. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 11/33 How It Works
- 12. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 12/33 Providers Alibaba Cloud ECI Provider Azure Container Instances Provider AWS Fargate Provider HashiCorp Nomad Provider OpenStack Zun Provider (Adding a New Provider via the Provider Interface)
- 13. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 13/33 Virtual Nodes on Azure Portal
- 14. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 14/33 Virtual Nodes on Azure Portal ACI is added in AKS $ kubectl get node NAME STATUS ROLES AGE -- aks-agentpool-20139558-0 Ready agent 19m aks-agentpool-20139558-1 Ready agent 19m virtual-node-aci-linux Ready agent 17m
- 15. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 15/33 KEDA
- 16. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 16/33 https://github.com/kedacore/keda Kubernetes-based Event-driven Autoscaling 0-1 autoscaling Run on both the Cloud and the Edge
- 17. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 17/33 How It Works
- 18. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 18/33 How It Works KEDA acts as: an agent to activate and deactivate a deployment to scale to/from zero on no events a Kubernetes metrics server to expose rich event data to the HPA to drive scale out
- 19. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 19/33 NetApp Services
- 20. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 20/33 Azure NetApp Files https://cloud.netapp.com/azure-netapp-files/ https://docs.microsoft.com/en-us/azure/azure-netapp-files/
- 21. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 21/33 NetApp Kubernetes Service https://cloud.netapp.com/kubernetes-service
- 22. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 22/33 Demo
- 23. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 23/33 Vertual Kubelet with AKS https://docs.microsoft.com/en-us/azure/aks/virtual-kubelet Install vertual kubelet(Windows + Linux) Deploy Pods on vertual kubelet nodes
- 24. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 24/33 Before You Begin Register Container Instances feature provider Initialize Helm Service account for RBAC-enabled clusters $ helm init --service-account tiller
- 25. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 25/33 Install $az aks install-connector --resource-group myResourceGroup --name myAKSCluster --connector-name virtual-kubelet --os-type Both
- 26. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 26/33 Validate Vertual Kubelet 1 node + 2 virtual kubelet nodes $ kubectl get node NAME STATUS -- aks-agentpool-20139558-0 Ready virtual-kubelet-virtual-kubelet-linux-japaneast Ready virtual-kubelet-virtual-kubelet-windows-japaneast Ready
- 27. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 27/33 Deploy on Vertual Kubelet Pods for virtual kubelet are deployed on the normal node $ kubectl get po -o wide NAME READY STATUS RESTARTS AGE IP NODE -- pod/virtual-kubelet-linux-japaneast-virtual-kubelet-for-aks-87rd2m5 1/1 Running 0 17m 10.244.0.14 aks-agentpool-20139558-0 pod/virtual-kubelet-windows-japaneast-virtual-kubelet-for-aks-9fzw5 1/1 Running 0 17m 10.244.0.15 aks-agentpool-20139558-0
- 28. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 28/33 Run Linux Container apiVersion: apps/v1 kind: Deployment metadata: name: aci-helloworld spec: replicas: 1 selector: matchLabels: app: aci-helloworld template: metadata: labels: app: aci-helloworld spec: containers: - name: aci-helloworld image: microsoft/aci-helloworld ports: - containerPort: 80 nodeSelector: beta.kubernetes.io/os: linux kubernetes.io/role: agent type: virtual-kubelet tolerations: - key: virtual-kubelet.io/provider operator: Equal value: azure effect: NoSchedule
- 29. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 29/33 Run Linux Container The pod is running on the linux virtual kubelet node $ kubectl apply -f vk-linux.yaml deployment.apps/aci-helloworld created $ kubectl get po -o wide NAME READY STATUS RESTARTS AGE IP NODE -- aci-helloworld-657c97d89b-7lnpm 1/1 Running 0 65s 40.81.220.187 virtual-kubelet-virtual-kubelet-linux-japaneast
- 30. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 30/33 Run Windows Container apiVersion: apps/v1 kind: Deployment metadata: name: nanoserver-iis spec: replicas: 1 selector: matchLabels: app: nanoserver-iis template: metadata: labels: app: nanoserver-iis spec: containers: - name: nanoserver-iis image: microsoft/iis:nanoserver ports: - containerPort: 80 nodeSelector: beta.kubernetes.io/os: windows kubernetes.io/role: agent type: virtual-kubelet tolerations: - key: virtual-kubelet.io/provider operator: Equal value: azure effect: NoSchedule
- 31. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 31/33 Run Windows Container The pod is running on the windows virtual kubelet node $ kubectl apply -f vk-windows.yaml deployment.apps/nanoserver-iis created $ kubectl get po -o wide NAME READY STATUS RESTARTS AGE IP NODE -- nanoserver-iis-6465dc649f-v7q2x 1/1 Running 0 53s 20.43.88.185 virtual-kubelet-virtual-kubelet-windows-japaneast
- 32. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 32/33 Access to the Pods Pods on vertual kubelet nodes have public IP address No need to create service resources
- 33. 2019/6/6 Recap of de:code 2019 127.0.0.1:5500/#1 33/33 Thank you!