Leinen los: .NET Core Deployment mit Kubernetes in Azure #netdc18

Deploying .NET Core Services in Azure AKS at https://dotnet-developer-conference.de 2018

Transcript

1. Leinen los: .NET Core Deployment mit Kubernetes in Azure Alexander Zeitler .NET Developer Conference, 28.11.2018
2. Alexander Zeitler CEO / Cloud Solution Architect at PDMLab • Microsoft MVP / ASP.NET 2004 - 2018 • ASP.NET Web API Advisor since 2011 • Microsoft Azure Advisor since 2014 • Organizer of Azure Meetup Karlsruhe • Using Docker since 2013 https://pdmlab.com alexander.zeitler@pdmlab.com @lxztlr Leinen los: .NET Core Deployment mit Kubernetes in Azure 2
3. Agenda • Azure AKS mit Azure DevOps • Kubernetes • Azure AKS • Building Cloud Native .NET Core Services 3 Leinen los: .NET Core Deployment mit Kubernetes in Azure
4. Agenda • Azure AKS mit Azure DevOps • Kubernetes • Azure AKS • Building Cloud Native .NET Core Services 4 Leinen los: .NET Core Deployment mit Kubernetes in Azure
5. Demo 5 Leinen los: .NET Core Deployment mit Kubernetes in Azure
6. Agenda • Azure AKS mit Azure DevOps • Kubernetes • Azure AKS • Building Cloud Native .NET Core Services 6 Leinen los: .NET Core Deployment mit Kubernetes in Azure
7. Kubernetes Greek for "Helmsman" The person who steers a ship 7 Leinen los: .NET Core Deployment mit Kubernetes in Azure
8. Kubernetes Borg Omega 8 Leinen los: .NET Core Deployment mit Kubernetes in Azure
9. Kubernetes == k8s 9 Leinen los: .NET Core Deployment mit Kubernetes in Azure
10. k8s Architecture HTTPS Db Messaging Log Auth KV LB Orders 10 Leinen los: .NET Core Deployment mit Kubernetes in Azure
11. k8s Architecture HTTPS Db Messaging Log Auth KV LB Orders 11 Leinen los: .NET Core Deployment mit Kubernetes in Azure
12. k8s Architecture HTTPS Db Messaging Log Auth KV LB Orders Node 2 Node 3 12 Node 1 Leinen los: .NET Core Deployment mit Kubernetes in Azure
13. k8s Architecture { /* App */ } Master Node Node Node Node Node Pods Pods Pods 13 Leinen los: .NET Core Deployment mit Kubernetes in Azure
14. k8s Architecture Master Node Node Node Linux Linux Linux Linux ENV ENV ENV ENV 14 Leinen los: .NET Core Deployment mit Kubernetes in Azure
15. k8s Masters 15 Leinen los: .NET Core Deployment mit Kubernetes in Azure
16. k8s Masters Master Linux ENV apiserver CM KV kube-apiserver Front end to control plane REST-API JSON (manifest files) KV-Store persistent state config of the cluster Uses etcd Controller Manager Node Controller Endpoints Controller Namespace Controller kube-scheduler watches apiserver Assigns work to nodes 16 Leinen los: .NET Core Deployment mit Kubernetes in Azure
17. k8s Masters Master apiserver KV Node Node Node kubectl Commands (JSON) CM 17 Leinen los: .NET Core Deployment mit Kubernetes in Azure
18. k8s Nodes 18 Leinen los: .NET Core Deployment mit Kubernetes in Azure
19. k8s Nodes Node Linux ENV K Kubelet kubernetes agent registers node with cluster watches apiserver instantiates pods reports to master endpoint at port :10225 /spec /healthz /pods CR P Container Runtime pull images start / stop containers Docker or rkt kube-proxy Networking Assign IP to Pod All containers in a Pod share IP LB across Pods in services 19 Leinen los: .NET Core Deployment mit Kubernetes in Azure
20. k8s Pods 20 Leinen los: .NET Core Deployment mit Kubernetes in Azure
21. k8s Pods Pod Environment Namespaces Network stack ... n Containers trnsprt link net IPC mount 21 Leinen los: .NET Core Deployment mit Kubernetes in Azure
22. Pods are atomic containers not up == pod n/a 22 Leinen los: .NET Core Deployment mit Kubernetes in Azure
23. Pod lifecycle born - alive - dead 23 Leinen los: .NET Core Deployment mit Kubernetes in Azure
24. Pod deployment Manually Manifest file 24 Leinen los: .NET Core Deployment mit Kubernetes in Azure
25. Unit of scale Swarm Pod 25 Leinen los: .NET Core Deployment mit Kubernetes in Azure
26. k8s Desired State 26 Leinen los: .NET Core Deployment mit Kubernetes in Azure
27. Desired State Master apiserver KV Node kubectl Manifest file (YAML) CM 3 x nginx Pod nginx Node Pod nginx Node Pod nginx Desired State: OK 27 Leinen los: .NET Core Deployment mit Kubernetes in Azure
28. Desired State Master apiserver KV Node kubectl Manifest file (YAML) CM 3 x nginx Pod nginx Node Pod nginx Node Pod nginx Desired State: FAILED 28 Leinen los: .NET Core Deployment mit Kubernetes in Azure
29. Desired State Master apiserver KV Node kubectl Manifest file (YAML) CM 3 x nginx Pod nginx Node Pod nginx Desired State: OK Pod nginx 29 Leinen los: .NET Core Deployment mit Kubernetes in Azure
30. k8s Services 30 Leinen los: .NET Core Deployment mit Kubernetes in Azure
31. k8s Services Pod 10.244.2.4 Pod 10.244.2.5 Pod 10.244.2.6 Pod 10.244.2.7 Pod 10.244.2.8 Service 10.244.2.10 DNS: upstream.myapp 31 Leinen los: .NET Core Deployment mit Kubernetes in Azure
32. k8s Labels 32 Leinen los: .NET Core Deployment mit Kubernetes in Azure
33. k8s Labels Pod 10.244.2.4 Pod 10.244.2.5 Pod 10.244.2.6 Pod 10.244.2.7 Pod 10.244.2.8 Service 10.244.2.10 DNS: upstream.myapp p p p p p db db lb p 33 Leinen los: .NET Core Deployment mit Kubernetes in Azure
34. k8s Deployments 34 Leinen los: .NET Core Deployment mit Kubernetes in Azure
35. k8s Deployments • Manifest files (YAML) • Rolling updates + rollbacks • Multiple concurrent versions • blue-green-deployment • Canary releases 35 Leinen los: .NET Core Deployment mit Kubernetes in Azure
36. Agenda • Azure AKS mit Azure DevOps • Kubernetes • Azure AKS • Building Cloud Native .NET Core Services 36 Leinen los: .NET Core Deployment mit Kubernetes in Azure
37. Kubernetes in Azure 37 Leinen los: .NET Core Deployment mit Kubernetes in Azure
38. Azure Container Service (AKS) 38 Leinen los: .NET Core Deployment mit Kubernetes in Azure
39. Demo 39 Leinen los: .NET Core Deployment mit Kubernetes in Azure
40. Agenda • Azure AKS mit Azure DevOps • Kubernetes • Azure AKS • Building Cloud Native .NET Core Services 40 Leinen los: .NET Core Deployment mit Kubernetes in Azure
41. Building Cloud Native .NET Core Services • Resilience and Reliability • Retry-Pattern • Circuit-Breaker • Graceful Shutdown • Monitoring + Logging + Tracing + Healthchecks instead of production debugging • Use correlation • Azure ApplicationInsights • ELK/EFK • Jaeger Tracing • Prometheus • Chaos Engineering: Break things on purpose! • Gremlin 41 Leinen los: .NET Core Deployment mit Kubernetes in Azure
42. Questions? 42 Leinen los: .NET Core Deployment mit Kubernetes in Azure
43. Thanks! 43 Leinen los: .NET Core Deployment mit Kubernetes in Azure
44. Resources Links • Samples/Instructions: https://github.com/PDMLab/aks-netcore-netdc18 • Slides: https://speakerdeck.com/alexzeitler Images • .NET Bot: https://github.com/dotnet/swag/tree/master/dotnet-bot • Pirate Black Icons Vectors: https://www.vecteezy.com/vector-art/87240-pirate-black-icons-vectors 44 Leinen los: .NET Core Deployment mit Kubernetes in Azure