Cloud Native Application Bundle - DevoxxFR 2021

Presentation (given in French) of Cloud Native Application Bundle – CNAB – and demos using Porter.

Transcript

1. #DevoxxFR
   Cloud Native Application Bundl
   e
   
   The missing link
   Yves Brissaud @_crev_
   1
   github.com/eunomie/devoxxfr-2021
   speakerdeck.com/eunomie/devoxxfr-2021-cloud-native-application-bundle
   

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2. Yves Brissaud
   🐳 Docker
   
   
   👷 Engineering (Docker Hub)
   
   
   💬 @_crev_
   2
   

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3. 3
   https://www.docker.com/career-openings
   

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4. #DevoxxFR 4
   CNAB?
   

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5. #DevoxxFR 5
   Cloud Nativ
   e
   
   Applicatio
   n
   
   Bundle
   

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6. Application
   6
   -Larousse
   « Program or set of programs to assist the user
   of a computer in the processing of a speci
   fi
   c
   task »
   

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7. Cloud Native
   7
   

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8. Cloud Native
   8
   pzf.fremantle.org/2010/05/cloud-native.html
   « to work well in a cloud environment
   

   on top of an infrastructure as a service »
   ➞ elasticit
   y
   
   ➞ distributed infrastructure
   

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9. Cloud Native
   9
   https://gotocph.com/2018/sessions/612
   @holly_cummins
   

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10. Cloud Native
    10
    Idempotence
    

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11. Cloud Native
    11
    -Larousse
    « Idempotence means an operation will have the
    same result when applied one or multiple times »
    

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12. Cloud Native
    12
    Idempotence
    
    
    • Infrastructure
    
    
    ‣ AMI, ISO, OVF, …
    
    
    ‣ Packer
    

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13. Cloud Native Application
    13
    

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14. Cloud Native Application
    14
    • n services
    
    
    • VMs, containers, serverless functions, etc
    
    
    • n databases
    
    
    • n managed services
    
    
    • …
    
    
    On top of elastic resources
    

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15. Cloud Native Application
    15
    ‣ Terraform
    
    
    ‣ Kubernetes
    fi
    les, kustomize, Helm
    
    
    ‣ Scripts bash
    
    
    ‣ …
    

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16. Cloud Native Application
    16
    Source
    

    Code
    CI Service Image
    Deployment
    

    instructions
    Infrastructure
    

    as Code
    

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17. Cloud Native Application
    17
    Deployment:
    
    
    1. Get source code in right version
    
    
    2. Apply IaC
    
    
    3. Apply deployment instructions
    
    
    4. Download service images
    
    
    5. …
    

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18. Cloud Native Application Bundle
    18
    Images IaC Deployment …
    Bundle
    

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19. 19
    Cloud Native Application Bundle
    • Immutable
    
    
    • Inside a registry
    
    
    • Self contained ➡ o
    ff l
    ine
    

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20. 20
    Cloud Native Application Bundle
    Idempotence
    • Immutable
    
    
    • Inside a registry
    
    
    • Self contained ➡ o
    ff l
    ine
    

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21. #DevoxxFR 21
    📋
    bundle
    

    descriptor
    📦
    application
    

    images
    📦
    invocation
    

    image
    📦
    📦
    

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22. Application Images
    22
    Containers you are already using!
    
    
    No change needed to build or distribute them
    

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23. Invocation Image
    23
    ✦ Contains all needed tools
    
    
    ✦ Con
    fi
    guration, templates, etc
    
    
    ✦ Install / upgrade / uninstall 📦
    Cloud CLIs
    Helm Charts
    Helm CLI
    Terraform CLI
    IaC Code
    Invocation
    

    image
    kubectl
    

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24. Bundle Descriptor
    24
    • bundle.json
    
    
    • List application and invocation images
    
    
    • Parameters
    
    
    • Credentials
    
    
    • Outputs
    

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25. Artefact
    fi
    nal
    25
    OCI Image
    

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26. CNAB
    26
    https://cnab.io/
    
    
    Open speci
    fi
    cations: https://github.com/cnabio/cnab-spec
    

    CNAB Core 1.2.0
    

    CNAB Security 1.0.0
    
    
    

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27. Outils
    27
    cnab-go: CNAB Core implementation
    

    https://github.com/cnabio/cnab-go
    
    
    cnab-to-oci: tool to convert bundles to OCI images
    

    https://github.com/cnabio/cnab-to-oci
    
    
    du
    ffl
    e: cli to interact with bundles
    

    https://du
    ffl
    e.sh
    
    
    porter: higher level tool to create and use bundles
    

    https://github.com/getporter/porter
    

    https://porter.sh
    

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28. Porter
    28
    Made by Deis Labs (microsoft)
    

    https://deislabs.io
    
    
    The most user friendly
    

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29. Porter
    29
    ‣ porter.yaml
    

    - higher level than bundle.json
    

    - mixins
    
    
    ‣ Create bundle.json, then the OCI image
    

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30. Demo Wordpress
    30
    

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31. Wordpress
    31
    • Deploy wordpress and its database
    
    
    • Inside a con
    fi
    gurable kubernetes namespace
    
    
    • Using a helm chart
    

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32. Demo Airgap
    32
    

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33. Airgap
    33
    • Embed Helm charts
    
    
    • Embed application images
    

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34. #DevoxxFR
    Resources
    • https://cnab.io
    
    
    • https://cnab.io/community-meetings
    
    
    • #cnab on https://slack.cncf.io
    
    
    • https://porter.sh
    
    
    • https://porter.sh/community
    34
    

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35. #DevoxxFR
    Merci 🙏
    35
    Yves Brissaud @_crev_
    github.com/eunomie/devoxxfr-2021
    speakerdeck.com/eunomie/devoxxfr-2021-cloud-native-application-bundle
    

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