Ansible

1、 What is ansible? Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs. Ansible是一个颠覆性的运维工具，支持云配置、配置管理、应用部署、服务编配等运维工作。 Designed for multi-tier deployments since day one, Ansible models your IT infrastructure by describing how all of your systems inter-relate, rather than just managing one system at a time. Ansible一开始就是为多层架构设计的，因此Ansible通过描述系统内部关系，进行整体建模。 It uses no agents and no additional custom security infrastructure, so it’s easy to deploy - and most importantly, it uses a very simple language (YAML, in the form of Ansible Playbooks) that allow you to describe your automation jobs in a way that approaches plain English. ...