Last week, I encountered a strange issue. I modified a YAML file locally, and it worked fine in the simulated environment. I planned to deploy it to the integration environment for formal testing. However, I wanted to conduct a small-scale test myself before the formal testing to minimize the chances of bugs being discovered and … Read more
0. Introduction: Why You Need a “Magic Tool” Instead of “Common Commands” In the daily operations of many people, when faced with dozens or even hundreds of servers, a question often arises—Is there a way to make these machines move simultaneously as if they were listening to a conductor? Ansible is that conductor’s baton. Its … Read more
Introduction in one sentence: Playbooks are the core of Ansible, describing tasks using YAML, making automation repeatable and maintainable. 1. What is a Playbook? A Playbook is like a “script” for Ansible, defining a series of tasks to be executed in a YAML file and specifying on which hosts to execute them. Its characteristics are: … Read more
Introduction in one sentence: Ad-hoc commands are Ansible’s “quick knife”, allowing you to manage servers in bulk with a single command in the command line. 1. What are Ad-hoc Commands? In Ansible, there are two main execution methods: 1.Ad-hoc commands: Execute a single task directly in the command line, suitable for temporary bulk operations. 2.Playbook: … Read more
1. Batch Configuration of SSH Passwordless Login The prerequisite for this operation is to generate a public key on the management machine: # Execute on the management machine (the machine with Ansible installed) to generate RSA key pairssh-keygen -t rsa -b 2048 -f ~/.ssh/id_rsa Add IP addresses and passwords in the relevant files: Modify the … Read more
Ansible Playbooks are written in YAML. They describe the entire process of automation in a human-readable language. This article will delve into the fundamental core of Playbooks, further mastering the clever uses of Ansible scripts. YAML Syntax 1. Indentation Rules <span>YAML</span> uses spaces for indentation to represent hierarchical relationships, which is its most basic syntax … Read more
IntroductionA command-line based API testing tool that supports HTTP response validation and generates test reports in Markdown and other formats. An alternative to Postman!!! API Testing is an open-source interface testing tool based on YAML files, which can run both locally and on the server. When choosing a tool, there are many aspects to consider … Read more
Mastering Python can change your life; using Python effectively can greatly enhance your efficiency!—— Follow me to unlock a world of efficiency with Python.AI has now become an indispensable part of everyone’s life, as essential as water, electricity, and gas. Developing various application tools using large models and sharing them with others is a common … Read more
Introduction Introduction Playbooks record and execute Ansible’s configuration, deployment, and orchestration functions. Using YAML format, files end with .yaml or .yml Official website: https://docs.ansible.com/ansible/latest/user_guide/playbooks.html#working-with-playbooks YAML Language Introduction to Play Syntax Syntax Overview: Almost every YAML file starts with a list. Each item in the list is a key/value pair list, commonly referred to as a … Read more
0. Introduction: Why You Need a “Magic Tool” Instead of “Common Commands” In the daily operations of many people, when faced with dozens or even hundreds of servers, a question often arises—Is there a way to make these machines move simultaneously as if they were listening to a conductor? Ansible is that conductor’s baton. Its … Read more