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GlobalAzureBootCamp 2018
- 2. Agenda • .Net coreApplication • Containers - Dockerizing .net core application • Kubernetes - Running and scaling the app in ACS • Helm - Deployments using Helm • Service mesh(Istio) - Canary Releases
- 3. .Net Core Release 2.1 •.Net Core (Faster build time) • ASP.NET core (SignalR) • EF core (Use EF with cosmos DB)
- 4. Demo • .Net core2.1 • Self hosting apps
- 5. • What iscontainer?
- 6. Containers Containers = operatingsystem virtualization Traditional virtual machines = hardware virtualization Windows Server containers: maximum speed and density Hyper-V containers: isolation plus performance OS Kernel Applications Container Container Container Hardware Hardware Container Container Container Hyper-V Container Kernel Container Kernel Container Kernel Hardware OS Application VM VM VM App OS App OS App OS
- 7. The Container Advantage Fast iteration Agile delivery ImmutabilityCost savings Elastic bursting Efficient deployment For ITFor developers
- 8. • An opensource container runtime • Mac, Windows & Linux support • Command line tool • “Dockerfile” file format for building container images • The Docker image format with layered filesystem What is Docker?
- 9. Demo • Docker forWindows • Dockerfile • docker build -t myapp . • docker run -it -p 5000:80 myapp
- 10. Elements of Orchestration SchedulingAffinity/anti- affinity Health monitoring Failover Scaling Networking Service discovery Coordinated app upgrades
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- 12. Where to getKubernetes
- 13. Creating kubernetes clusterin azure • Shell script in azure portal • ARM • Portal • CLI • az login • az group create --name K8sResourcegroup --location eastus • az acs create --orchestrator-type kubernetes --resource-group K8sResourceGroup --name K8sCluster --generate-ssh-keys • az acs kubernetes get-credentials --resource-group=K8sResourceGroup -- name=K8sCluster
- 14. Azure container Registry •Creating Azure Container registry (Portal OR ARM OR CLI) • Configured it manually
- 15. Push Container toACR • docker login azurecontainerregistrygirish.azurecr.io -u azurecontainerregistrygirish -p WyJoeWocxInaABWdl=3w+TDvSboc3qmF • docker tag myapp:latest azurecontainerregistrygirish.azurecr.io/aspnetcoreapp:v1 • docker push azurecontainerregistrygirish.azurecr.io/aspnetcoreapp:v1
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- 17. Demo • Create aACR secret in kubernetes cluster • .kubectl.exe create secret docker-registry myregistrykey --docker- server=https://azurecontainerregistrygirish.azurecr.io --docker- username=azurecontainerregistrygirish --docker- password=WyJoeWocxInaABWdl=3w+TDvSboc3qmF --docker-email=ggoudar@xpirit.com • Deployment • .kubectl.exe apply -f D:k8sDeployment.json • Service • .kubectl.exe apply -f D:k8sService.json • Desired state • .kubectl.exe delete pod --all • Scaling apps • .kubectl scale --replicas=4 -f D:k8sDeployment.json
- 19. Setup - Helm •Download Helm on windows • Add the helm path to environment variables
- 21. Demo • helm init– install the Tiller • ./kubectl get pods --namespace kube-system • helm create aspnetcoreapp-chart • helm install .aspnetcoreapp-chart • helm install .aspnetcoreapp-chart --set replicaCount=2 • helm upgrade whopping-zebra .aspnetcoreapp-chart • helm get whopping-zebra --revision 1 • helm rollback whopping-zebra 1 • helm status whopping-zebra
- 22. Service Mesh Code Independent(Polyglot) • Intelligent Routing and Load-Balancing • A/B Tests • Smarter Canary Releases • Dark Launches • Chaos: Fault Injection • Resilience: Circuit Breakers • Observability: Metrics and Tracing • Fleet wide policy enforcement Next Generation Microservices - Service Mesh
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- 24. Setup - Istio •Download Istio on windows • Add the istio path to environment variables • kubectl.exe apply -f C:UsersggoudarDownloadsCompressedistio_0.6.0_winistio- 0.6.0installkubernetesistio.yaml • kubectl.exe get svc -n istio-system • kubectl get pods -n istio-system • Use Helm
- 25. Inject Istio intoKubernetes • .kubectl.exe apply -f D:k8sDeploymentWithoutIstio.yaml • istioctl kube-inject -f D:k8sDeploymentWithoutIstio.yaml > D:k8sinject.yaml • .kubectl.exe apply -f D:k8sinject.yaml
- 26. Canary Releases • istioctlcreate -f D:k8sDeploymentWithIstio.yaml • .kubectl -n istio-system get svc • istioctl delete -n default -f D:k8sDeploymentWithIstio.yaml
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