# when条件语句
https://blog.51cto.com/linuxg/1775166

# Ansible Playbook Roles 实战案例
https://www.jianshu.com/p/157ed21bf47d

# 指定ip执行
ansible-playbook -i /tmp/prod-server-list -v /srv/ansible/ohn/supervisor-monitor.yml -e 'hosts=prod'

# 传变量
https://www.cnblogs.com/f-ck-need-u/p/7571974.html

[root@OP supervisor-monitor]# cat /tmp/prod-server-list-tmp
[prod]
10.104.54.234 instance=上海-mq-cron
10.104.138.126 instance=sht-new

# 把变量传过去使用
ansible prod -i /tmp/prod-server-list-tmp -m shell -a 'echo "{{instance}}" > /tmp/11'

# 指定 key
ansible-playbook deploy_inin_java.yml -e "hosts=dev" --private-key=./new_www.key

# 执行执行结果成功—— 正常退出 
 
- name: check sonar-project.properties exists
  shell: ls /data/server/php/
  register: result
  ignore_errors: yes
  connection: local
- debug: var=result

- meta: end_play
  when: result is succeeded


# 检查端口
- hosts: "{{ deploy_host }}"
  gather_facts: False # 不使用缓存
  serial: "50%" #  可以使用serial关键字定义Ansible一次应管理多少主机
  tasks:
    - name: "restart service"
      shell: "supervisorctl update {{ pj }};supervisorctl restart {{ pj }}"

    - name: "wait for {{ port }}..."
      wait_for: "port={{ port }} timeout=60"
      when: env in ["prod","gray","pre"] and pj != 'socket'

# 判断文件是否存在 不存在创建
- name: Register file
  stat:
  path: "/tmp/test_file"
  register: file_path
 
- name: Create file if it doesn't exists
  file: 
    path: "/tmp/test_file"
    state: touch
  when: file_path.stat.exists == False

- name: Check that if the file devnet.md exists
  debug:
    msg: "File exists."
  when: file_status.stat.exists == True