SeleniumHQ/docker-selenium

[🚀 Feature]: Allow multiple Hub pods for high availability

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#1,849 创建于 2023年5月15日

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help wanted

描述

Feature and motivation

Currently when running Selenium Grid in Kubernetes via the Helm-chart, the hub becomes unreachable when deploying changes. This is due to there only being one replica.

Given multiple replicas, a rollout will keep the hub reachable during a deploy.

Usage example

Having multiple replicas will make the Grid more robust.

贡献者指南

技术栈
dockerkubernetes
领域
devopsinfrastructure
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
3
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
active
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
Kubernetes basicsHelm chart knowledge
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
50
研究方向
Review the existing Helm chart configuration in the repository, particularly the values.yaml and templates/deployment.yaml files. Look for comments in this issue (#1849) discussing how to implement multiple replicas and any maintainer feedback. Consider the need for leader election or session persistence when running multiple Hub pods. Test with a simple replica count change in your Kubernetes cluster.