Kubernetes Blue-Green Deployment Made Easy with Argo Rollouts - ADDO

Kubernetes Blue-Green Deployment Made Easy with Argo Rollouts Hossam Barakat
Engineering Manager at Willow @hossambarakat_ | www.hossambarakat.net

@hossambarakat_ • What is Argo Rollouts • Argo Rollouts Concepts
• Blue-Green Deployment • Canary Deployment Agenda

@hossambarakat_ Deployment ReplicaSet Deployment Pod Pod

@hossambarakat_ • RollingUpdate • Recreate K8s Deployment Strategies

@hossambarakat_ Deployment Strategy - RollingUpdate Deployment ReplicaSet V2 Pod Pod
ReplicaSet V1 Pod Pod

@hossambarakat_ Deployment Strategy - Recreate Deployment ReplicaSet V2 Pod Pod
ReplicaSet V1 Pod Pod

@hossambarakat_ • Limited controls over the speed of the rollout
• Inability to control traffic flow to the new version • No ability to query external metrics to verify an update • Unable to automatically abort and rollback the update K8s Deployment Challenges

@hossambarakat_ • Argo Rollouts is a Kubernetes controller and set
of CRDs which provide advanced deployment capabilities such as blue-green, canary, canary analysis, experimentation, and progressive delivery features to Kubernetes. What is Argo Rollouts?

@hossambarakat_ • Controller and Custom Resource Definitions (CRDs) $ kubectl
create namespace argo-rollouts $ kubectl apply -n argo-rollouts -f install.yaml • Kubectl argo rollouts plugin $ brew install argoproj/tap/kubectl-argo-rollouts $ kubectl argo rollouts version Installation

@hossambarakat_ • A drop-in replacement for a Deployment resource. •
Provides additional blue-green and canary update strategies. • Automates promotion and rollback based on analysis results. Rollout

@hossambarakat_ Rollout ReplicaSet Deployment Pod Pod Rollout

@hossambarakat_

@hossambarakat_ Blue-Green Rollout

@hossambarakat_ Blue-Green Rollout Users

@hossambarakat_ Blue-Green Rollout ReplicaSet Rollout Pod Pod Service Ingress

@hossambarakat_ Blue-Green Rollout Rollout ReplicaSet V2 Pod Pod ReplicaSet V1
Pod Pod Active Service Ingress Preview Service

@hossambarakat_

@hossambarakat_ Canary Rollout

@hossambarakat_ Canary Rollout Users

@hossambarakat_ Traffic Provider Integrations Optional

@hossambarakat_ Rollout Canary with NGINX Rollout ReplicaSet V2 Pod Pod
ReplicaSet V1 Pod Pod Stable Service Ingress Canary Service Canary Ingress

@hossambarakat_

@hossambarakat_ • What metrics to measure and its frequency •
What values are considered successful or failed • Continuously run in the background. Analysis

@hossambarakat_ Metric Provider Integration

@hossambarakat_

@hossambarakat_ Questions?

Thanks Hossam Barakat @hossambarakat_ www.hossambarakat.net

Kubernetes Blue-Green Deployment Made Easy with Argo Rollouts - ADDO

Kubernetes Blue-Green Deployment Made Easy with Argo Rollouts - ADDO

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