ansible常用的模块

1. shell: 执行相关命令,支持管道：

- name: Execute the command in remote shell; stdout goes to the specified file on the remote
  ansible.builtin.shell: somescript.sh >> somelog.txt

2. command同shell，但是不支持管道

- name: Run command if /path/to/database does not exist (without 'args')
  ansible.builtin.command: /usr/bin/make_database.sh db_user db_name creates=/path/to/database

3. unarchive： 将本地的压缩包，复制到远程机器上，然后解压

- name: Extract foo.tgz into /var/lib/foo
  ansible.builtin.unarchive:
    src: foo.tgz
    dest: /var/lib/foo

4. copy： 将本地的压缩包，复制到远程机器上

- name: Copy file with owner and permissions
  ansible.builtin.copy:
    src: /srv/myfiles/foo.conf
    dest: /etc/foo.conf
    owner: foo
    group: foo
    mode: '0644'

5. fetch： 将远程的包拉取到本地

- name: Store file into /tmp/fetched/host.example.com/tmp/somefile
  ansible.builtin.fetch:
    src: /tmp/somefile
    dest: /tmp/fetched

6. template： 将jinjia2格式的模板，渲染到远程机器上

- name: Template a file to /etc/file.conf
  ansible.builtin.template:
    src: /mytemplates/foo.j2
    dest: /etc/file.conf
    owner: bin
    group: wheel
    mode: '0644'

7. file: 创建和删除文件或目录

- name: Change file ownership, group and permissions
  ansible.builtin.file:
    path: /etc/foo.conf
    owner: foo
    group: foo
    mode: '0644'

8. fail：失败模块，遇到立即停止运行ansible

- name: Example using fail and when together
  ansible.builtin.fail:
    msg: The system may not be provisioned according to the CMDB status.
  when: cmdb_status != "to-be-staged"

9. wait_for: 等待端口存活

- name: Wait for port 8000 to become open on the host, don't start checking for 10 seconds
  ansible.builtin.wait_for:
    port: 8000
    delay: 10

10. selinux: 启动或者关闭selinux

- name: Enable SELinux
  selinux:
    policy: targeted
    state: enforcing

11. blockinfile：渲染指定内容到某个文件内

- name: Insert/Update "Match User" configuration block in /etc/ssh/sshd_config prepending and appending a new line
  ansible.builtin.blockinfile:
    path: /etc/ssh/sshd_config
    append_newline: true
    prepend_newline: true
    block: |
      Match User ansible-agent
      PasswordAuthentication no

12. yum: rpm包管理模块

- name: Install the latest version of Apache
  ansible.builtin.yum:
    name: httpd
    state: latest

13. user: 创建删除用户

- name: Add the user 'johnd' with a specific uid and a primary group of 'admin'
  ansible.builtin.user:
    name: johnd
    comment: John Doe
    uid: 1040
    group: admin