ansible_all_ipv4_addresses # ipv4的所有地址

ansible_all_ipv6_addresses # ipv6的所有地址

ansible_date_time # 获取到控制节点时间

ansible_default_ipv4 # 默认的ipv4地址

ansible_distribution # 系统

ansible_distribution_major_version # 系统的大版本

ansible_distribution_version # 系统的版本号

ansible_domain #系统所在的域

ansible_env #系统的环境变量

ansible_hostname #系统的主机名

ansible_fqdn #系统的全名

ansible_machine #系统的架构

ansible_memory_mb #系统的内存信息

ansible_os_family # 系统的家族

ansible_pkg_mgr # 系统的包管理工具

ansible_processor_cores #系统的cpu的核数(每颗)

ansible_processor_count #系统cpu的颗数

ansible_processor_vcpus #系统cpu的总个数=cpu的颗数*CPU的核数

ansible_python # 系统上的python

ansible cache -m setup -a 'filter=*processor*' # 用来搜索

- hosts: db

  tasks:

  - name: zzgbgn

    dong: zzdbgn

    when: zhanzhe

  - name: pzhegbgn

    dong: pzhedbgn

    when: pazhe

- hosts: db

  remote_user: root  # 用来执行的用户  默认是root

  tasks:

  - name: createfile

    copy: content="大弦嘈嘈如急雨" dest=/tmp/a.txt

    when: a==""

  - name: cratefile

    copy: content="小弦切切如私语" dest=/tmp/a.txt

    when: a==""

- hosts: db

  tasks:

  - name: wadong

    tieqiao: wadong

  - name: tk

    dong: tk

    tags: tk

- hosts: web

  tasks:

  - name: installnginx

    yum: name=nginx

  - name: copyfile

    copy: src=/etc/nginx/nginx.conf dest=/etc/nginx/nginx.conf

    tags: copyfile

  - name: start

    service: name=nginx state=started

ansible-playbook -t copyfile p7.yml 

- hosts: gb

  tasks:

  - name: gbqc

    dong: {{ item }}

    with_items:

    - qbqc

    - cyf

    - ssfj

- hosts: web

  tasks:

  - name: crateuser

    user: name={{item}}

    with_items:

    - alex20

    - alex21

    - alex22

~

- hosts: web

  tasks:

  - name: crateuser

    user: name={{item}}

    with_items:

    - alex30

    - alex31

    - alex32

  - name: crategroup

    group: name={{item}}

    with_items:

    - wulaoshi20

    - wulaoshi21

    - wulaoshi22

~           

- hosts: web

  tasks:

  - name: crategroup

    group: name={{item}}

    with_items:

    - wulaoshi30

    - wulaoshi31

    - wulaoshi32

  - name: createuser

    user: name={{item.name}} group={{item.group}}

    with_items:

    - {'name':alex40,'group':wulaoshi30}

    - {'name':alex41,'group':wulaoshi31}

    - {'name':alex42,'group':wulaoshi32}
    

- hosts: web

  tasks:

  - name: installredis

    yum: name=redis

  - name: copyfile

    template: src=/etc/redis.conf dest=/etc/redis.conf

  - name: start

    service: name=redis state=started

  配置文件: bind {{ ansible_default_ipv4.address }} 

- hosts: web

  tasks:

  - name: installredis

    yum: name=redis

  - name: copyfile

    template: src=redis.conf dest=/etc/redis.conf

  - name: start

    service: name=redis state=started

- hosts: web

  tasks:

  - name: installredis

    yum: name=redis

  - name: copyfile

    template: src=redis.conf dest=/etc/redis.conf

    tags: copyfile

    notify: restart

  - name: start

    service: name=redis state=started

  handlers:

  - name: restart

    service: name=redis state=restarted

setenforce 0 #用来临时关闭selinux

iptables -F # 临时关闭防火墙

/etc/selinux/config  # 永久关闭

​

yum install -y ntp  # 安装时间有关的

ntpdate time.windows.com  # 调整时间

cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime  # 修改为中国上海时间

date  #查看时间