Ansible Host Directory Default configuration file: /etc/ansible/hosts # This is the default ansible 'hosts' file. # # It should live in /etc/ansible/hosts # # – Comments begin with the '#' character # – Blank lines are ignored # – Groups of hosts are delimited by [header] elements # – You can enter hostnames or ip … Read more
nginx-role.yml roles/ └── nginx ├── tasks │ ├── group.yml # Create group │ ├── main.yml │ ├── restart.yml # Restart service │ ├── start.yml # Start service │ ├── templ.yml # Copy configuration file │ ├── user.yml # Create user │ └── yum.yml # Install service └── templates └── nginx.conf.j2 # Configuration file group.yml (0 … Read more
Ansible is an open-source automation configuration management tool based on OpenSSH. It can be used to configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployment or zero-downtime updates. The main goals of Ansible are simplicity and ease of use, and it also places a strong emphasis on security and reliability. … Read more
Ansible-navigator exec Common Options and Explanations <span>ansible-navigator exec</span> is equivalent to <span>podman run -it –rm <image> /bin/bash</span> (default is <span>/bin/bash</span>), <span>ansible-navigator exec</span> is commonly used to execute Ansible Ad-Hoc. The available options are as follows: Parameter Meaning Example Default Value <span>exec_command</span> Specifies the command to run in the execution environment (EE) <span>ansible –version</span> <span>/bin/bash</span> <span>–exshell</span>, … Read more
Last time we discussed two subcommands of Ansible-navigator: exec and run. Here, we will introduce five more subcommands of Ansible-navigator (and there are 5 more to write about next time). Ansible-navigator welcome <span>ansible-navigator welcome</span> starts an interactive interface similar to a help document for quickly understanding the usage of <span>ansible-navigator</span>. [root@ansible-controller ansible-navigator]# ansible-navigator welcome \ … Read more
Today, let’s share some common commands of Ansible 1 Basic Commands Command Description <span>ansible –version</span> Check Ansible version <span>ansible all -m ping</span> Test connectivity to all hosts <span>ansible <host group> -m ping</span> Ping specified host group <span>ansible webservers -m command -a "uptime"</span> Execute shell command on target host <span>ansible all -i <ip>, -m ping</span> Temporarily … Read more
📚Best Practices for Ansible Core – (13) Comprehensive Analysis of Playbook Keywords🚀 🚀 Unlock the Secret Weapon of Ansible Playbook: Keywords!📝 🌟 Here comes the popular science notes!Want to write concise, efficient, and elegant Ansible Playbooks? This comprehensive note will help you master Playbook keywords in one go! From play to task, from variables to … Read more
Ansible Variables • Ansible variables are case-sensitive • Ansible variables should not have duplicate names, especially not conflict with built-in variables • Ansible variable names can consist of numbers, letters, and underscores, but must start with a letter Connection Variables Connection variables are built-in variables in Ansible that control how Ansible connects to managed hosts. … Read more
Ansible Playbook Ansible Playbooks use YAML format and have strict indentation requirements. A playbook consists of multiple plays. Playbook Example — – name: init # Define the name of the Playbook hosts: all # Define the range of managed hosts tasks: # Define the tasks to be executed, each – corresponds to one task (a … Read more
Ansible Commands Ansible has multiple commands, each serving different functions. Below are some commonly used commands and their parameters. Common Commands # Set the ansible configuration file ansible-config # View ansible related modules and module documentation ansible-doc # View ansible's inventory ansible-inventory # Execute ad-hoc tasks ansible # Execute ansible playbooks ansible-playbook # Set ansible … Read more