Ops - Ansible: Common command for tasks

[joelin109]

vars

    LocalPath: "/Volumes/Mac-TBD/Server/Python/server-api-py"

tasks

• shell

  shell: pip show flask
  register: shell_result
  ignore_errors: True

  
  

• copy

  
  template:
  src: "{{ LocalPath }}/conf/uwsgi.ini"
  dest: "{{ LocalPath }}/www"
  remote_src: yes
  when: shell_result|success     #failed
  notify:
      - handler name

src: 是指该yml文件对应的路径 (本地)

<br>

- file

• name: Delete or create file if already exists file: path: "{{ LocalPath }}/www/uwsgi.ini" state: "absent" # absent - delete, touch - create mode: "u+rw,g-wx,o-rwx" register: file_result ignore_errors: True

create a directory if it doesn't exist

• file: path: /etc/some_directory state: directory mode: 0755

  
  <br>

• service ?

  -a 'name= state={started|stopped|restarted} enabled=(是否开机自动启动) runlevel='
  [root@localhost ~]# ansible all -m service -a 'name=httpd state=started'

  
  

• script ?

  -a '/PATH/TO/SCRIPT'运行脚本
  [root@localhost ~]# ansible all -m script -a '/tmp/a.sh'

  
  

• cron ?

• name: Add cron job for 'storm recovery' cron: name="storm recovery" job="/usr/bin/storm-recovery" minute=*/5 state=present tags: guard

• name : remove 'storm recovery' cron entry cron : name : storm recovery state : absent

  
  <br>

• debug

  - debug: msg="{{ task_register.stdout }}"
  - debug: msg="{{ task_register.stdout_lines }}"

  
  

• with_items

  - debug: msg="item.item={{item}}"
    when: "{{item.find('requirements') >= 0}}"
    ignore_errors: True
    with_items: "{{git_ls.stdout_lines}}"

[joelin109]

ansible-playbook sample-playbook.yml

[joelin109]

• ec2 failed:

service: name=nginx state=started enabled=yes
-"Unable to start service nginx: Job for nginx.service failed because the control process 
exited with error code. See \"systemctl status nginx.service\"