GitOpsCon Europe 2022

At Appsflyer, we have 400 engineers that write software in several programming languages and with an architecture of over 850 micro-services, thousands of cloud resources and dozens of SaaS integrations. We felt a change was needed. Can GitOps be that change? In this talk, Eliran Bivas, AppsFlyer's Cloud Native Leader, will present the challenges the department faced and still faces when adopting GitOps practices. How AppsFlyer’s Engineering Platform organization changed, how AppsFlyer uncovered the unknowns, and how AppsFlyer educated its Platform Group, and later the entire R&D organization to practice GitOps.

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Large scale Cloud Native deployments typically include multiple teams running multiple applications across multiple environments - but how should teams be organized to enable efficient software delivery? How should responsibilities be split between platform, DevOps, and application teams? In this talk we’ll walk through the different approaches teams can adopt for organizing Git repos, handling upstream dependencies, and managing software rollouts. This talk will go in-depth about repo structure and strategies for managing the release process, as well as how to enforce policies across configs and manifests.

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Using a GitOps controller, such as ArgoCD, to deploy applications allows you to deploy more often, execute rollbacks, and avoid configuration drift. However, what if you are an organization beginning to adopt GitOps and are new to Argo? What if you need to deploy hundreds of applications? Manage several clusters? How do you structure your directory? Or apply GitOps at scale for your organization? You can do all of this with Argo CD Autopilot, which provides an opinionated directory structure, allowing you to promote changes across environments with an ApplicationSet Controller for Argo CD applied by the Autopilot bootstrap. Autopilot enables organizations to simplify disaster recovery and quickly set up one-off environments or easily promote changes by leveraging GitOps. This tool works well for teams that are new to Argo CD but want to enable the ApplicationSet's automation and templating abilities to create, modify, and manage multiple applications simultaneously while also targeting numerous clusters with a no-brainer directory structure.

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The cloud has enabled abstractions and automation, but Infrastructure as Code (IaC) doesn't scale. You can use declarative YAML or imperative scripts and still lose control. Infrastructure as Software (IaS) allows you to control and scale infrastructure with the same practices as applications. GitOps is an implementation of IaS with lots of benefits over IaC. We'll look at how it's different, when you should use it, and where it potentially breaks down.

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