1. User Scenarios for Hybrid Cloud 1.1 Handling Explosive Business Growth Internet businesses grow exponentially, and it is hard to predict how much infrastructure capacity to reserve. Usually, for a long stretch in the early days of a business, a small colocation footprint of physical machines is enough to meet demand.

1. Basic Concepts master master is where Jenkins is installed and runs; it is responsible for parsing job scripts, handling tasks, and scheduling compute resources. agent agent is responsible for handling tasks dispatched from master; the actual operations are executed through an executor. executor An executor is the compute resource

1. Basic Concepts GitLab-CI: the continuous integration system provided by GitLab. It manages the build status of a project and runs build tasks through GitLab Runner. GitLab-Runner: used to execute build tasks. The script portion of .gitlab-ci.yml is run by GitLab-Runner. .gitlab-ci.yml: a file in the root directory of a git project that records a series of stages and execution rules.

1. Introduction GitLab is an open-source application developed with Ruby on Rails. It implements self-hosted Git project repositories, and public or private projects can be accessed through a web interface. It has features similar to GitHub, and can browse source code, manage defects and comments. It can manage team access

1. Field Meanings 1.1 u, User ID 1 2 3 4 5 6 if cookie.has(gr_user_id){ //使用 cookie 中的 gr_user_id 有效期十年 } else { //按照 "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" 格式，随机生成一个 gr_user_id } 1.2 s, Session