HumanAmplify.AI

GATEWAY API - Ingress is DEAD! Long live Ingress! - Video Insight

That DevOps Guy

Fullscreen

summarize
custom #1

The video explains how the Gateway API enhances Kubernetes networking by providing modularity and governance improvements over the existing Ingress system.

The video provides an in-depth exploration of Kubernetes' new Gateway API, which is anticipated as a more modular solution compared to the traditional Ingress system. The speaker highlights the intricacies of Kubernetes networking, explaining existing challenges faced by users of Ingress objects, such as vendor lock-in, complexities in security management, and the limitations in modularity and governance. Through a detailed breakdown of the Gateway API’s components, including the Gateway Class, Gateway objects, and Routes, the presenter illustrates how this new framework enhances flexibility for organizations, ensuring a clearer separation of responsibilities among developers, infrastructure operators, and security teams. Additionally, through a demonstration, the video emphasizes how developers can define routing without the burden of managing underlying security constructs, thus fostering a collaborative environment where infrastructure governance does not hinder application development.

Content rate: A

The video is highly informative, thoroughly covering the functionalities and benefits of the Gateway API in relation to Ingress, while also providing detailed evidence to substantiate claims. It does not contain filler content, personal opinions are backed by logical reasoning, and practical demonstrations are included to enhance understanding. The content is presented clearly and consistently throughout the video, making it an essential resource for developers and infrastructure teams alike.

Kubernetes API Networking DevOps Infrastructure

Claims:

Claim: The Gateway API solves the challenges faced by Ingress by providing modularity and improved governance.

Evidence: The speaker discusses how the Gateway API separates concerns among various components, allowing for roles such as security governance and infrastructure management, which fosters collaboration without compromising security or functionality.

Counter evidence: Some users may still find the traditional Ingress approach sufficient for smaller implementations, making the need for modularity less pressing in specific use cases.

Claim rating: 8 / 10

Claim: The introduction of Gateway API does not signify the end of Ingress, especially for small to medium businesses.

Evidence: The speaker articulates that Ingress remains effective and easy to manage for small and medium businesses, emphasizing its power and convenience in implementing routing rules in one consolidated place.

Counter evidence: While the Gateway API has many advanced features, some may argue that these features could introduce unnecessary complexity for smaller teams that thrive on simplicity.

Claim rating: 9 / 10

Claim: The Gateway API is designed to handle specific needs for larger organizations with more complex compliance and governance requirements.

Evidence: The presenter points out that larger organizations usually face more complex governance requirements, making the modular design of Gateway API more suited to their needs as it allows for fine-grained permissions across teams.

Counter evidence: However, some larger organizations may already have established solutions using Ingress, leading to inertia and hesitation in adopting a new system despite the advantages of Gateway API.

Claim rating: 8 / 10

Model version: 0.25 ,chatGPT:gpt-4o-mini-2024-07-18

```Extracts knowledge pieces``` --- ### Knowledge Pieces Extracted 1. **Kubernetes Overview**: - Kubernetes uses **Pods**, managed by **Deployments**, **DaemonSets**, or **StatefulSets**. - It employs **Services** for load balancing and organizes infrastructure using **Helm Charts**. 2. **Ingress Definition**: - An **Ingress** in Kubernetes defines how traffic routes from external sources to services within the cluster. - It can manage domain routing, TLS configurations, and paths to services. 3. **Ingress Controller**: - An Ingress Controller handles traffic based on the Ingress rules defined in a Kubernetes cluster. - Popular controllers include **NGINX**, **Traefik**, and managed solutions from cloud providers (e.g., AWS, Azure). 4. **Challenges with Ingress**: - **Vendor Lock-in**: Features and annotations are often specific to the chosen Ingress controller. - **Security Concerns**: TLS secrets must reside within the same namespace, creating governance challenges. - **Traffic Management**: Lack of fine-grained traffic policies and modularity complicates routing for different paths/services. 5. **Gateway API Introduction**: - Announced in 2023 as a new component for traffic management in Kubernetes. - Aims to solve various challenges presented by Ingress by offering more modular components. 6. **Gateway API Components**: - **Gateway Class**: Defines the features and types of API gateway software available to the cluster (similar to Ingress Class). - **Gateway**: A namespaced object that manages TLS certificates and route configurations, allowing cross-namespace usage. - **Routes**: New objects that define how traffic is routed to services without embedding configuration directly in the Gateway, enhancing modularity and management. 7. **Features of Gateway API**: - Allows **weighted load balancing** for canary deployments. - Supports multiple route types: HTTP, TLS, TCP, UDP, gRPC, which were historically limited under Ingress. 8. **Governance and Security in Gateway API**: - Separation of concerns by allowing different teams to manage infrastructure (Gateway Class), traffic (Gateway), and services (Routes). - Improved governance and ARB access controls based on namespaces, reducing exposure risks for sensitive resources. 9. **Comparison with Ingress**: - While Ingress is effective for small to medium teams with simpler needs, Gateway API offers solutions for larger organizations requiring more granular control and governance. - It is suggested that both systems will coexist, with Ingress remaining useful for basic and advanced reverse proxy needs. 10. **Implementation Demonstration**: - Steps include: - Setting up a Kubernetes cluster using kind. - Installing Gateway API CRDs via GitHub. - Deploying a traffic controller (Traefik) configured for Gateway API. - Creating Gateway and Route resources to manage traffic to applications. The discussion reflects the evolving landscape of Kubernetes networking and highlights a transition towards more modular and scalable traffic management solutions through the Gateway API.