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Public AVL List GmbH (Headquarters) Patrick Koch Common Cloud Migration Pain Points and how to overcome them based on practical experience

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Public Introduction

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Patrick Koch | | 22 June 2023 | / 3 Public

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Patrick Koch | | 22 June 2023 | / 4 Public Today’s Agenda 3 What happened before the cloud? Once upon a time ... and it‘s still 1 The company, the legacy software application 2 Introduction Omg, what do we need to do? Why do we need to migrate to the cloud? Conclusion 5 The pain points Of course, we didn‘t avoid making embarrassing mistakes ;) 4 Q&A 6

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Patrick Koch | | 22 June 2023 | / 5 Public AVL List GmbH Founded 1948 More than 11,000 worldwide 4,000 in Graz (headquarters) 45 affiliates worldwide Export quota of 97% AVL List GmbH (“AVL”) is the world’s largest independent company for development, simulation and testing in the automotive industry, and in other sectors. Drawing on its pioneering spirit, the company provides concepts, solutions and methodologies to shape future mobility trends.”

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Patrick Koch | | 22 June 2023 | / 6 Public Evolved to platform product Container, K8s Automation Framework Web components Started > 25 years ago Python support REST interface 2014 New Generation (unmanaged legacy (C++) and managed (C#) code). Windows® application (component & full integration in internal products) 2018 ~ 8200 files ~ 2,9 Mio LOC Linux components (data, Python) 2022 ... “A legacy system is outdated computing software and/or hardware that is still in use. ” ~ 800 customers ~ 23000 users The application to migrate in the cloud: AVL CONCERTO

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Public Once upon a time ... What happened before the cloud?

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Patrick Koch | | 22 June 2023 | / 8 Public Traditional use case: the engine test bed

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Patrick Koch | | 22 June 2023 | / 9 Public Data processing with AVL CONCERTO

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Public The cloud migration journey starts…

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Patrick Koch | | 22 June 2023 | / 11 Public An evolution happens – why even more automation, and more data? 2021 .. Huge testbed for single unit under test (UUT) 1 Operator per testbed Very high costs Exchanging of unit is labour-intesive One testing unit for multiple UUTs (Battery Cells) 1 Operator for whole lab Costs per UUT are much lower UUT exchange works automated 2021 ..

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Public The Pain Points

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Patrick Koch | | 22 June 2023 | / 13 Public Cloud Migration Strategy Pain Point 1

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Patrick Koch | | 22 June 2023 | / 14 Public Cloud Migration Strategy Decide for a strategy before starting the implementation Lift & Shift (Rehost) Whole application is taken and pushed into container not possible / would cause to much costs Refactoring Rebuild

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Patrick Koch | | 22 June 2023 | / 15 Public Pain Point 2 Starting with a too complex implementation

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Patrick Koch | | 22 June 2023 | / 16 Public Lift and shift to container using Azure Kubernetes Service Source: https://docs.microsoft.com/de-de/azure/architecture/solution-ideas/articles/migrate-existing-applications-with-aks “Easily migrate existing application to container(s) and run within the Azure managed Kubernetes service (AKS)”

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Patrick Koch | | 22 June 2023 | / 17 Public The goal of the first implementation Azure Container Registry Azure Kubernetes Service Azure Virtual Machine Azure File Share Container 1 2 3 4

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Patrick Koch | | 22 June 2023 | / 18 Public The faults 1. ACR not properly attached with AKS 2. Missing statements in Workload 3. Wrong Firewall Settings

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Patrick Koch | | 22 June 2023 | / 19 Public The faults 1. ACR not properly attached with AKS 2. Missing statements in Workload 3. Wrong Firewall Settings nodeSelector: kubernetes.io/os: windows tolerations: - key: "kubernetes.io/os" operator: "Equal" value: "windows" effect: "NoSchedule" restartPolicy: Never backoffLimit: 4

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Patrick Koch | | 22 June 2023 | / 20 Public The faults 1. ACR not properly attached with AKS 2. Missing statements in Workload 3. Wrong Firewall Settings

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Patrick Koch | | 22 June 2023 | / 21 Public Start lightweight: use e.g. a Serverless Service Azure Container Instance

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Patrick Koch | | 22 June 2023 | / 22 Public Pain Point 3 Manual Provisioning

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Patrick Koch | | 22 June 2023 | / 23 Public Manual Provisioning of the resources e.g.: Creating a Kubernetes Cluster in Azure Can you reproduce your environment after the destruction?

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Patrick Koch | | 22 June 2023 | / 24 Public Use Infrastructure as Code Approach Terraform Configuration File Azure Kubernetes Service

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Patrick Koch | | 22 June 2023 | / 25 Public Pain Point 4 Costs

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Patrick Koch | | 22 June 2023 | / 26 Public

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Estimate the costs using tools

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Patrick Koch | | 22 June 2023 | / 28 Public Automation – Establish Pipelines Terraform Configurations Azure Azure DevOps Pipeline • Create pipelines for conducting the Terraform commands • Controlled way of provisioning/destroying the resources • Everyone can trigger the pipeline

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Patrick Koch | | 22 June 2023 | / 29 Public Automation – Establish Pipelines • Create pipelines for conducting the Terraform commands • Controlled way of provisioning/destroying the resources • Everyone can trigger the pipeline Video source: Azure Portal

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Patrick Koch | | 22 June 2023 | / 30 Public The result of the first implementation

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Patrick Koch | | 22 June 2023 | / 31 Public Conclusion Decide for a cloud migration strategy first Start lightweight with your first implementation Use an Infrastructure as Code approach Increase your automation

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www.avl.com Public Thank you Change is the Essence of Innovation.

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Patrick Koch | | 22 June 2023 | / 33 Public Picture Sources https://www.genardmethod.com/blog/ your-speechs-introduction-how-to- make-it-powerful https://www.devtalks.ro https://www.avl.com Slide 1 Slide 2 https://www.avl.com Slide 5

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Patrick Koch | | 22 June 2023 | / 34 Public https://pixabay.com/de/photos/geb%C 3%A4ude-kran-baustelle- ger%C3%BCstbau-1804030/ https://pixabay.com/photos/car- citroen-france-vintage-vehicle- 2184905/ Windows: https://commons.wikimedia.org/wiki/File:Windows_ Logo_(1992-2001).svg PCs: https://www.impulse.de/wp- content/uploads/2015/10/gebrauchte- hardware_fotolia620-620x340.jpg Python: https://www.python.org/ Linux: https://upload.wikimedia.org/wikipedia/commons/d /dd/Linux_logo.jpg Slide 6 Slide 7 Slide 10 Picture Sources www.avl.com Slide 8 Engine Test Bed: avl.com Battery Cell: https://www.avl.com/en/testing- solutions/e-mobility-testing/battery-testing/avl- battery-cell-ts Slide 11

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Patrick Koch | | 22 June 2023 | / 35 Public Picture Sources https://learn.microsoft.com/de- de/azure/cloud-adoption- framework/migrate/ https://www.pexels.com/photo/man- jumping-on-intermodal-container- 379964/ https://pixabay.com/de/photos/kaktee n-garten-mallorca-2462159/ Slide 12 Slide 14 Slide 16

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Patrick Koch | | 22 June 2023 | / 36 Public Picture Sources AKS Icon: https://learn.microsoft.com/en- us/azure/architecture/icons/ Azure Container Instance Icon: https://learn.microsoft.com/en- us/azure/architecture/icons/ Screenshot: Microsoft - Azure Portal https://portal.azure.com Azure VM Icon: https://learn.microsoft.com/en- us/azure/architecture/icons/ AKS Icon: https://learn.microsoft.com/en- us/azure/architecture/icons/ Azure Share Icon: https://learn.microsoft.com/en- us/azure/architecture/icons/ ACR Icon: https://learn.microsoft.com/en- us/azure/architecture/icons/ Container Icon: https://icons8.de/icons/set/container Screenshot: Microsoft - Azure Portal https://portal.azure.com Slide 17, 18, 19, 20 Slide 21 Slide 24 Screenhots: Microsoft - Azure Portal https://portal.azure.com Slide 23 and Slide 26 Screenhot: https://azure.microsoft.com/en- us/pricing/calculator/ Slide 27

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Patrick Koch | | 22 June 2023 | / 37 Public Picture Sources Terraform Icon: https://registry.terraform.io/providers/hashicorp/tfe/latest Azure DevOps Icon: https://learn.microsoft.com/en-us/azure/architecture/icons/ Azure Icon: https://de.m.wikipedia.org/wiki/Datei:Microsoft_Azure_Logo.svg Slide 28