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JupyterHub

JupyterHub​

介绍 JupyterHub 之前，我们先了解下 Jupyter Notebook。

Jupyter Notebook​

A Jupyter Notebook is nothing more than a Python(&) process which is getting commands from a web browser and displaying the output via that browser. What the process actually sees is roughly like getting commands on standard input(&) and writing to standard output(&). There is nothing intrinsically special about this process

  • it can do anything a normal Python process can do, and nothing more. The Jupyter kernel handles capturing output and converting things such as graphics to a form usable by the browser.

JupyterHub​

直白的讲，Jupyter Notebook 就是一个“交互式的笔记本式编程工具”，那么， JupyterHub 解决的是“多人怎么方便、安全、高效地用 Jupyter Notebook” 的问题。

因此，JupyterHub 更符合 教学/培训、在线服务/公共平台 的使用场景。

最佳实践​

JupyterHub 扩展组件仅将 JupyterHub Helm chart 制作为 KubeSphere 扩展组件，方便用户在 KubeSphere 环境中快速部署 JupyterHub。

部署 JupyterHub 扩展组件​

修改 JupyterHub 扩展组件配置，将 proxy 对外暴露，即可使用暴露地址访问 Jupyter。

jupyterhub:
  proxy:
    # service relates to the proxy-public service
    service:
      type: NodePort
      labels: {}
      annotations: {}
      nodePorts:
        http: 30639
        https:
      disableHttpPort: false
      extraPorts: []
      loadBalancerIP:
      loadBalancerSourceRanges: []

注意，默认部署使用 jupyterhub.auth.DummyAuthenticatorJupyterHub 身份验证器，允许任何人使用任何用户名和密码登录。这仅应用于初始测试目的。如正式使用，可参考 JupyterHub Authentication 配置身份验证器。

更多帮助文档可参考 JupyterHub for Kubernetes。