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

Transcript

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

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

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3. @hossambarakat_
   Deployment
   ReplicaSet
   Deployment
   Pod Pod
   

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4. @hossambarakat_
   • RollingUpdate
   • Recreate
   K8s Deployment Strategies
   

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

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

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7. @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
   

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8. @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?
   

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9. @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
   

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10. @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
    

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11. @hossambarakat_
    Rollout
    ReplicaSet
    Deployment
    Pod Pod
    Rollout
    

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12. @hossambarakat_
    

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13. @hossambarakat_
    Blue-Green Rollout
    

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14. @hossambarakat_
    Blue-Green Rollout
    Users
    

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15. @hossambarakat_
    Blue-Green Rollout
    Users
    

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

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

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18. @hossambarakat_
    

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19. @hossambarakat_
    Canary Rollout
    

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20. @hossambarakat_
    Canary Rollout
    Users
    

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21. @hossambarakat_
    Canary Rollout
    Users
    

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22. @hossambarakat_
    Canary Rollout
    Users
    

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23. @hossambarakat_
    Canary Rollout
    Users
    

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24. @hossambarakat_
    Canary Rollout
    Users
    

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25. @hossambarakat_
    Traffic Provider Integrations
    Optional
    

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

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

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

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29. @hossambarakat_
    

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

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31. @hossambarakat_
    Metric Provider Integration
    

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32. @hossambarakat_
    

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33. @hossambarakat_
    Questions?
    

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34. Thanks
    Hossam Barakat
    @hossambarakat_
    www.hossambarakat.net
    

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