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
2. Yves Brissaud 🐳 Docker 👷 Engineering (Docker Hub) 💬 @_crev_ 2
3. 3 https://www.docker.com/career-openings
4. #DevoxxFR 4 CNAB?
5. #DevoxxFR 5 Cloud Nativ e Applicatio n Bundle
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 »
7. Cloud Native 7
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
9. Cloud Native 9 https://gotocph.com/2018/sessions/612 @holly_cummins
10. Cloud Native 10 Idempotence
11. Cloud Native 11 -Larousse « Idempotence means an operation will have the same result when applied one or multiple times »
12. Cloud Native 12 Idempotence • Infrastructure ‣ AMI, ISO, OVF, … ‣ Packer
13. Cloud Native Application 13
14. Cloud Native Application 14 • n services • VMs, containers, serverless functions, etc • n databases • n managed services • … On top of elastic resources
15. Cloud Native Application 15 ‣ Terraform ‣ Kubernetes fi les, kustomize, Helm ‣ Scripts bash ‣ …
16. Cloud Native Application 16 Source 
 Code CI Service Image Deployment 
 instructions Infrastructure 
 as Code
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. …
18. Cloud Native Application Bundle 18 Images IaC Deployment … Bundle
19. 19 Cloud Native Application Bundle • Immutable • Inside a registry • Self contained ➡ o ff l ine
20. 20 Cloud Native Application Bundle Idempotence • Immutable • Inside a registry • Self contained ➡ o ff l ine
21. #DevoxxFR 21 📋 bundle 
 descriptor 📦 application 
 images 📦 invocation 
 image 📦 📦
22. Application Images 22 Containers you are already using! No change needed to build or distribute them
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
24. Bundle Descriptor 24 • bundle.json • List application and invocation images • Parameters • Credentials • Outputs
25. Artefact fi nal 25 OCI Image
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
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
28. Porter 28 Made by Deis Labs (microsoft) 
 https://deislabs.io The most user friendly
29. Porter 29 ‣ porter.yaml 
 - higher level than bundle.json 
 - mixins ‣ Create bundle.json, then the OCI image
30. Demo Wordpress 30
31. Wordpress 31 • Deploy wordpress and its database • Inside a con fi gurable kubernetes namespace • Using a helm chart
32. Demo Airgap 32
33. Airgap 33 • Embed Helm charts • Embed application images
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
35. #DevoxxFR Merci 🙏 35 Yves Brissaud @_crev_ github.com/eunomie/devoxxfr-2021 speakerdeck.com/eunomie/devoxxfr-2021-cloud-native-application-bundle