1-5ansibleplaybook条件判断

#when 语句

(jiankong_venv) [yy1s@rbtnode1 playbook]$ cat f6.yml ---- hosts : 144.131.252.144,144.131.252.142 remote_user : root vars :

touch_file : imoocc.file tasks :

- name : touch flag file

command : \"touch /tmp/this_is_{{ansible_distribution}}_system\"

when: (ansible_distribution == \"CentOS\" and ansible_distribution_major_version == \"6\") or (ansible_distribution == \"CentOS\" and ansible_distribution_major_version == \"7\")

(jiankong_venv) [yy1s@rbtnode1 playbook]$ ansible-playbook ./f4.yml

http://www.imooc.com/article/22753 循环语句可以参考

#with_items循环

(jiankong_venv) [yy1s@rbtnode1 playbook]$ cat f8.yml ---- hosts : 144.131.252.162remote_user : roottasks:

- name: add several users

user: name={{ item.name }} state=present groups={{ item.groups }}with_items:

- { name: 'testuser1', groups: 'yy1s' }- { name: 'testuser2', groups: 'yy1s' }

(jiankong_venv) [yy1s@rbtnode1 playbook]$ ansible-playbook ./f8.yml

#字典循环　

(jiankong_venv) [yy1s@rbtnode1 playbook]$ cat f9.yml ---- hosts : 144.131.252.162remote_user : roottasks:

- name: add several users

user: name={{ item.key }} state=present groups={{ item.value }}with_dict:

{ 'testuser3' : 'wheel', 'testuser4' : 'root' }　

(jiankong_venv) [yy1s@rbtnode1 playbook]$ ansible-playbook ./f9.yml

#⽂件copy

(jiankong_venv) [yy1s@rbtnode1 playbook]$ cat f10.yml

---- hosts : 144.131.252.162remote_user : roottasks:

- file: dest=/tmp/bb state=directory

- copy: src={{item}} dest=/tmp/bb owner=root mode=600with_fileglob:- test/*

(jiankong_venv) [yy1s@rbtnode1 playbook]$ ansible-playbook ./f10.yml

#条件结合循环语句

(jiankong_venv) [yy1s@rbtnode1 playbook]$ cat f7.yml ---- hosts : 144.131.252.162remote_user : roottasks:

- debug: msg=\"{{item.key}} is the winner\"

with_dict: {'jeson':{'english':60, 'chinese':30}, 'tom':{'english':30,'chinese':20}}when: item.value.english >=60

(jiankong_venv) [yy1s@rbtnode1 playbook]$ ansible-playbook ./f7.yml