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![Don’t panic when you get…
2018-11-01T09:47:00.6770427Z There were errors in your deployment. Error code:
DeploymentFailed.
2018-11-01T09:47:00.6831885Z ##[error]At least one resource deployment operation failed.
Please list deployment operations for details. Please see https://aka.ms/arm-debug for usage
details.
2018-11-01T09:47:00.6841477Z ##[error]Details:
2018-11-01T09:47:00.6842318Z ##[error]Conflict: {
"error": {
"code": "MissingSubscriptionRegistration",
"message": "The subscription is not registered to use namespace 'Microsoft.ContainerRegistry'.
See https://aka.ms/rps-not-found for how to register subscriptions.",](https://image.slidesharecdn.com/demystifyingmicroservicesinsideazureaksitdays2018cluj-napocaraduvunvulea1-181126051025/75/Demystifying-microservices-inside-Azure-AKS-ITDays-Radu-Vunvulea-2018-33-2048.jpg)
![Don’t panic when you get…
2018-11-01T09:47:00.6770427Z There were errors in your deployment. Error code:
DeploymentFailed.
2018-11-01T09:47:00.6831885Z ##[error]At least one resource deployment operation failed.
Please list deployment operations for details. Please see https://aka.ms/arm-debug for usage
details.
2018-11-01T09:47:00.6841477Z ##[error]Details:
2018-11-01T09:47:00.6842318Z ##[error]Conflict: {
"error": {
"code": "MissingSubscriptionRegistration",
"message": "The subscription is not registered to use namespace 'Microsoft.ContainerRegistry'.
See https://aka.ms/rps-not-found for how to register subscriptions.",](https://image.slidesharecdn.com/demystifyingmicroservicesinsideazureaksitdays2018cluj-napocaraduvunvulea1-181126051025/75/Demystifying-microservices-inside-Azure-AKS-ITDays-Radu-Vunvulea-2018-34-2048.jpg)
Uploaded byRadu Vunvulea
Demystifying microservices inside Azure AKS ITDays Radu Vunvulea 2018
The document provides an overview of utilizing Azure Kubernetes Service (AKS) for microservices, covering key concepts such as deployment, scaling, and management of Kubernetes clusters. It emphasizes the benefits of AKS, including automated upgrades, self-healing capabilities, and CI/CD automation using tools like Helm and Azure DevOps. Additionally, the document discusses networking options, load balancers, and common deployment issues, offering guidance on connecting to the Azure Kubernetes portal.
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Demystifying microservices inside Azure AKS ITDays Radu Vunvulea 2018
- 1. Demystifying microservices insideAzure AKS @RaduVunvulea Playing with technology until it breaks
- 2.
- 3. Foundation, core conceptsand values
- 4. Agenda • High leveloverview • Package, Deployment and Lifecycle • Load Balancer • Networking • CI / CD & Automation • Scaling
- 5. Why container orchestration? SchedulingAffinity Health monitoring Failover Scaling Networking Service discovery Coordinated upgrades
- 6. De-factor orchestrator: Kubernetes •Public, Hybrid, Multi-cloud, Private Portable • Pluggable, Modular, Hookable, Composable Extensible • Auto-restart, Auto-scaling, Auto- replacement, Auto-replication Self-healing
- 7. Kubernetes: Empowering us Deploy quickand predictable Scale on the fly Roll out seamlessly Limit hardware usage
- 8. Managed by Azure AzureKubernetes Service Kubernetes cluster
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- 15. Master VMMaster VMMaster VM
- 16. Master VMMaster VMMaster VM You need to manage each node
- 17. Master VMMaster VMMaster VM
- 18. Why to useAKS Easy to use • Fastest path to Kubernetes on Azure • Up and running with 3 simple commands Easy to manage • Automated upgrades and patching • Easily scale the cluster up and down • Self-healing control plane Uses Open APIs • 100% upstream Kubernetes
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- 20. Package & Deploy- Draft Code Application code draft init Create container artifacts Detect language Generate artifacts required by Kubernetes draft create Build container image Build the image Deploy it draft up
- 21. Lifecycle - Helm •Manage the application lifecycle using preconfigured resources – charts • Package manager helm init –upgrade helm repo update helm install stable/nginx-ingress helm list
- 22. Helm In-cluster server Interacts with clientand Kubernetes API Server Interact with server Sends charts and conf values to Tiller Install / Upgrade / Modify Tiller Helm
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- 29. Load Balancer Default: Azure Load Balancer •Public IP: 20 • Outside the cluster Option 1: Application Gateway • Scalable • Runs outside the cluster
- 30. Option 2: LoadBalancer - nginx
- 31. If you haveproblems kubectl get pods -n kube-system kubectl exec -it “nginxcontroller” -n kube-system bash cat /etc/nginx/nginx.conf
- 32.
- 33. Don’t panic whenyou get… 2018-11-01T09:47:00.6770427Z There were errors in your deployment. Error code: DeploymentFailed. 2018-11-01T09:47:00.6831885Z ##[error]At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-debug for usage details. 2018-11-01T09:47:00.6841477Z ##[error]Details: 2018-11-01T09:47:00.6842318Z ##[error]Conflict: { "error": { "code": "MissingSubscriptionRegistration", "message": "The subscription is not registered to use namespace 'Microsoft.ContainerRegistry'. See https://aka.ms/rps-not-found for how to register subscriptions.",
- 34. Don’t panic whenyou get… 2018-11-01T09:47:00.6770427Z There were errors in your deployment. Error code: DeploymentFailed. 2018-11-01T09:47:00.6831885Z ##[error]At least one resource deployment operation failed. Please list deployment operations for details. Please see https://aka.ms/arm-debug for usage details. 2018-11-01T09:47:00.6841477Z ##[error]Details: 2018-11-01T09:47:00.6842318Z ##[error]Conflict: { "error": { "code": "MissingSubscriptionRegistration", "message": "The subscription is not registered to use namespace 'Microsoft.ContainerRegistry'. See https://aka.ms/rps-not-found for how to register subscriptions.",
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- 38. How to connectto Azure Kubernetes Portal? PS> az account set -s f52405d0-ba95-XXXX-XXXXXXXX… PS> $env:path += 'C:Usersradu.vunvulea.azure-kubectl’ PS> az aks install-cli PS> az aks get-credentials --resource-group itcampcluj-rg --name itcampcluj PS> az aks browse --resource-group itcampcluj-rg --name itcampcluj …. 127.0.0.1:8001 ….
- 39. How to connectto Azure Kubernetes Portal? PS> az account set -s f52405d0-ba95-XXXX-XXXXXXXX… PS> $env:path += 'C:Usersradu.vunvulea.azure-kubectl’ PS> az aks install-cli PS> az aks get-credentials --resource-group itcampcluj-rg --name itcampcluj PS> az aks browse --resource-group itcampcluj-rg --name itcampcluj …. 127.0.0.1:8001 rm ~/.kube/config ….
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- 45. Network – Default/ “Basic” Node Pod Pod Node Pod Pod Azure Virtual Network (VNET) Public Internet Azure Load Balancer Expose a Kubernetes service externally or internally Pods can access resources on the public Internet. No control on IP range or subnets
- 46. Network – “Advance” Node Pod Pod Node Pod Pod Azure Virtual Network (VNET) Public Internet StorageDatabase Subnet Node Pod Pod Bridge AzureCNI • User Defined Routes (UDR) support • Direct connection to Azure Services • Each POD has it’s own IP • Direct communication with other resources from VNET • On-premises access over S2S VPN or Express Router
- 47. CI / CD& Automation
- 48. CI/CD – AzureDevOps
- 50. Azure DevOps Create/Remove AKSCluster Out of the box AKS integration Automatic recreation Self-hosted agents Service Hooks SDK Release policy
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- 52. No.ofpods Manual Scale Pod Pod Pod No. ofnodes Nod NodNod
- 53. No.ofpods Horizontal pod autoscaler Pod Pod Pod No.of nodes Nod NodNod Pod Pod Pod Pod
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- 55. No.ofpods Pod Pod Pod Cluster autoscaler NodNodNod Pod PodPod Pod NodNod Latency until new nodes are available
- 56. No.ofpods AKS extends toAzure Container Instances Pod Pod Pod Cluster autoscaler NodNodNew Pod Pod Pod Pod NodNod Virtual Kubelet configures ‘Virtual nodes’ Azure Container Instances
- 57. Time is up… but... this is just the beginning of a long journey
- 58. Things to remember Helm Draft Templates nginx Azure LoadBalancer Azure DevOps Azure Container Instances Cluster autoscaling Horizontal pod scaler VNET Support Azure Monitoring