ansible playbook输出 ansible playbook常用模块

Ansible Playbook Modules 介绍

Ansible Playbook是一个用于自动化配置，部署和协调多个远程服务器的工具。在Playbook中，模块是最常用的元素之一，它们是Ansible的基本组成部分。使用这些模块可以执行各种任务，例如文件操作，软件包管理，服务管理等等。

以下是一些常见的Ansible Playbook模块及其用法：

copy

该模块用于将文件或目录从控制机复制到远程主机。例子：

- name: Copy a file
  hosts: all
  tasks:
    - name: Copy the file to remote server
      copy:
        src: /path/to/local/file.txt
        dest: /path/to/remote/file.txt

command

该模块用于在远程主机上执行命令。例子：

- name: Run a command
  hosts: all
  tasks:
    - name: Check system uptime
      command: uptime

shell

该模块用于在远程主机上执行shell命令。例子：

- name: Run a shell command
  hosts: all
  tasks:
    - name: Create a new directory
      shell: mkdir /path/to/new/directory

apt

该模块用于管理Debian和Ubuntu系统上的软件包。例子：

- name: Install a package
  hosts: all
  tasks:
    - name: Install nginx package
      apt:
        name: nginx
        state: present

yum

该模块用于管理RedHat和CentOS系统上的软件包。例子：

- name: Install a package
  hosts: all
  tasks:
    - name: Install httpd package
      yum:
        name: httpd
        state: present

service

该模块用于管理系统服务。例子：

- name: Manage a service
  hosts: all
  tasks:
    - name: Start the nginx service
      service:
        name: nginx
        state: started

user

该模块用于管理系统用户。例子：

- name: Manage users
  hosts: all
  tasks:
    - name: Create a new user
      user:
        name: john
        password: 'password'
        groups: wheel
        state: present

file

该模块用于进行文件操作，例如创建、删除或更改文件的权限和所有权等。例子：

- name: Manage files
  hosts: all
  tasks:
    - name: Create a new file
      file:
        path: /path/to/new/file.txt
        state: touch
        owner: john
        group: john
        mode: '0644'

template

该模块用于将模板文件与变量组合在一起并生成新的配置文件。例子：

- name: Manage configuration files
  hosts: all
  tasks:
    - name: Create a new nginx config file
      template:
        src: /path/to/nginx.conf.j2
        dest: /etc/nginx/nginx.conf
        owner: root
        group: root
        mode: '0644'

lineinfile

该模块用于在文件中添加、修改或删除行。例子：

- name: Update configuration files
  hosts: all
  tasks:
    - name: Add a line to the sshd config file
      lineinfile:
        path: /etc/ssh/sshd_config
        line: 'AllowUsers john'
        state: present

cron

该模块用于管理系统上的cron作业。例子：

- name: Manage cron jobs
  hosts: all
  tasks:
    - name: Add a new cron job
      cron:
        name: 'Backup script'
        minute: '0'
        hour: '1'
        job: '/path/to/backup.sh'

debug

该模块用于打印调试信息。例子：

- name: Debug a task
  hosts: all
  tasks:
    - name: Print a message
      debug:  
        msg: 'This is a debug message'

当然可以，以下是更多的Ansible Playbook模块及其用法：

git

该模块用于从Git存储库中获取代码，并在远程主机上进行部署和管理。例子：

- name: Manage Git repositories
  hosts: all
  tasks:
    - name: Clone a Git repository
      git:
        repo: https://github.com/your/repo.git
        dest: /path/to/local/directory

synchronize

该模块用于将本地文件夹同步到远程主机。例子：

- name: Synchronize directories
  hosts: all
  tasks:
    - name: Sync local directory with remote directory
      synchronize:
        src: /path/to/local/directory/
        dest: /path/to/remote/directory/
        archive: true

setup

该模块用于在远程主机上收集系统信息，例如主机名、操作系统、IP地址等等。例子：

- name: Gather facts about remote servers
  hosts: all
  tasks:
    - name: Print system information
      debug:
        var: ansible_facts

assert

该模块用于检查Playbook的执行结果是否符合预期。例子：

- name: Check a configuration file
  hosts: all
  tasks:
    - name: Verify the configuration file
      assert:
        that:
          - "'password' in file('/path/to/config.ini').content"
          - "section_name in file('/path/to/config.ini').content"

好的，以下是更多的Ansible Playbook模块及其用法：

vars

该模块用于定义和使用变量。您可以在Playbook中定义变量，并将它们传递给其他任务或模块。例子：

- name: Define variables
  hosts: all
  vars:
    user_name: john
    user_password: 'password'
  tasks:
    - name: Create a new user
      user:
        name: "{{ user_name }}"
        password: "{{ user_password }}"
        groups: wheel
        state: present

block

该模块用于将多个任务组成一个块，以便更灵活地控制任务的执行顺序，失败行为等。例子：

- name: Run tasks in a block
  hosts: all
  tasks:
    - block:
        - name: Task 1
          command: /path/to/command1
        - name: Task 2
          command: /path/to/command2
      rescue:
        - name: Handle task failure
          command: /path/to/rescue-command
      always:
        - name: Clean up
          command: /path/to/cleanup-command

wait_for

该模块用于等待一些条件达成，例如端口打开、文件存在、服务可用等。例子：

- name: Wait for a service to be available
  hosts: all
  tasks:
    - name: Wait for the service to start
      wait_for:
        host: localhost
        port: 8000
        timeout: 60

notify

该模块允许任务发送通知给其他任务。例如，在服务重启之前，您可能需要执行某些任务。例子：

- name: Restart a service
  hosts: all
  tasks:
    - name: Stop the service
      service:
        name: nginx
        state: stopped
      notify:
        - Start the service again

    - name: Start the service again
      service:
        name: nginx
        state: started

这些是一些更常见的Ansible Playbook模块及其用法。希望这些信息能够对您有所帮助，如果您需要深入了解特定模块的详细信息，请查看官方文档。