Azure ACS and Kubernetes at Imagine Conference 2017

Azure ACS/AKS Talk at Imagine Conference at Microsoft Munich 2017/11/27

Transcript

1. Azure ACS and Kubernetes Alexander Zeitler Imagine Conference 2017, 27.11.2017 1
2. Alexander Zeitler CEO / Cloud Solution Architect at PDMLab • Microsoft MVP / ASP.NET since 2004 • 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 @alexzeitler_ Azure ACS and Kubernetes 2
3. Agenda • Deployments/Containers • Containers in Azure • Azure ACS / Kubernetes • Azure AKS Azure ACS and Kubernetes 3
4. Challenge: Deployment Azure ACS and Kubernetes 4
5. • Fast • Reliable • Repeatable Azure ACS and Kubernetes Deployment 5
6. Azure ACS and Kubernetes The perfect deployment? 6
7. Azure ACS and Kubernetes Build, ship and run any application anywhere 7
8. Azure ACS and Kubernetes Docker ecosystem Engine Compose Hub Registry Machine Swarm Cloud 8
9. Containers in Azure Azure ACS and Kubernetes 9
10. Microsoft Azure kostenfrei ausprobieren! 30 Tage Test-Account mit einem Guthaben von 170€ https://azure.microsoft.com/de-de/free/ (Voraussetzung: Kreditkarte als Authentifizierungsmethode) Microsoft Azure Pass - 100$/Monat für 3 Monate Amtsträger sowie Bedienstete des Öffentlichen Dienstes sind ausgeschlossen. Wir bitten darum die Bedingungen zur Nutzung auf dem Pass zu beachten sowie den Pass nur bei wirklichem Interesse und Nutzung bei dem Counter der Teilnehmerregistrierung abzuholen. Es ist nur eine begrenzte Anzahl vorhanden. (Voraussetzung: Microsoft Account der noch nicht mit Azure verknüpft ist.) Azure ACS and Kubernetes: Microservices On Steroids 10
11. Azure ACS and Kubernetes Azure Container Service (ACS) 11
12. Azure ACS and Kubernetes ACS Orchestrators Docker Swarm Mesos / DC/OS Kubernetes 12
13. Kubernetes Azure ACS and Kubernetes Greek for "Helmsman" The person who steers a ship 13
14. Azure ACS and Kubernetes Kubernetes Borg Omega 14
15. Azure ACS and Kubernetes Kubernetes == k8s 15
16. Azure ACS and Kubernetes k8s Architecture HTTPS Db Messaging Log Auth KV LB Orders 16
17. Azure ACS and Kubernetes k8s Architecture HTTPS Db Messaging Log Auth KV LB Orders 17
18. Azure ACS and Kubernetes k8s Architecture HTTPS Db Messaging Log Auth KV LB Orders Node 3 Node 2 18 Node 1
19. Azure ACS and Kubernetes k8s Architecture { /* App */ } Master Node Node Node Node Node Pods Pods Pods 19
20. Azure ACS and Kubernetes k8s Architecture Master Node Node Node Linux Linux/Win Linux/Win Linux/Win ENV ENV ENV ENV 20
21. k8s Masters Azure ACS and Kubernetes 21
22. Azure ACS and Kubernetes 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 22
23. Azure ACS and Kubernetes k8s Masters Master apiserver KV Node Node Node kubectl Commands (JSON) CM 23
24. k8s Nodes Azure ACS and Kubernetes 24
25. Azure ACS and Kubernetes k8s Nodes Node Linux/Windows 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 25
26. k8s Desired State Azure ACS and Kubernetes 26
27. Azure ACS and Kubernetes Desired State Master apiserver KV Node kubectl Manifest file (JSON/YAML) CM 3 x nginx Pod nginx Node Pod nginx Node Pod nginx Desired State: OK 27
28. Azure ACS and Kubernetes Desired State Master apiserver KV Node kubectl Manifest file (JSON/YAML) CM 3 x nginx Pod nginx Node Pod nginx Node Pod nginx Desired State: FAILED 28
29. Azure ACS and Kubernetes Desired State Master apiserver KV Node kubectl Manifest file (JSON/YAML) CM 3 x nginx Pod nginx Node Pod nginx Desired State: OK Pod nginx 29
30. k8s Pods Azure ACS and Kubernetes 30
31. Azure ACS and Kubernetes Unit of scale Swarm Pod 31
32. Azure ACS and Kubernetes k8s Pods Pod Environment Namespaces Network stack ... n Containers trnsprt link net IPC mount 32
33. Azure ACS and Kubernetes k8s Pod Coupling Node Pod AI-Log App 33
34. Azure ACS and Kubernetes k8s Scaling Pods Node Pod Node Pod Node Pod Node Pod Pod Pod Do Don’t 34
35. Azure ACS and Kubernetes Pods are atomic containers not up == pod n/a 35
36. Azure ACS and Kubernetes Pod lifecycle born - alive - dead 36
37. Azure ACS and Kubernetes Pod deployment Manually Manifest file 37
38. k8s Services Azure ACS and Kubernetes 38
39. Azure ACS and Kubernetes 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 39
40. k8s Labels Azure ACS and Kubernetes 40
41. Azure ACS and Kubernetes 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 41
42. k8s Deployments Azure ACS and Kubernetes 42
43. Azure ACS and Kubernetes k8s Deployments • Manifest files (YAML/JSON) • Rolling updates + rollbacks • Multiple concurrent versions • blue-green-deployment • Canary releases 43
44. DEMO Azure ACS and Kubernetes 44
45. Azure ACS and Kubernetes Azure Container Service (AKS) 45
46. AKS - Managed Kubernetes in Azure Azure ACS and Kubernetes az aks create –n myCluster –g myResourceGroup 46
47. AKS - Visual Studio Connected Environment Azure ACS and Kubernetes https://www.hanselman.com/blog/AnnouncingVisualStudioAndKubernetesVisualStudioConnectedEnvironment.aspx 47
48. Questions? Azure ACS and Kubernetes 48
49. Thanks! Azure ACS and Kubernetes 49
50. Resources Links • Commands for ACS/ACR/kubectl: https://github.com/PDMLab/acs-kubernetes-talk • Sample App: https://github.com/Azure-Samples/azure-voting-app • Kubernetes: https://kubernetes.io/ • Rolling Updates in k8s: https://kubernetes.io/docs/tutorials/kubernetes-basics/update-intro/ • Creating Secrets using kubectl: https://kubernetes.io/docs/concepts/configuration/secret/#creating-a-secret-using- kubectl-create-secret Azure ACS and Kubernetes 50