Ansible playbook

　　

 

1. install mysql
   
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   --- - hosts: gale   remote_user: root   gather_facts: no     tasks:     - name: install packages       yum: name=libaio,perl     - {name: create group, group: name=mysql system=yes gid=306}     - name: create user       user: name=mysql system=yes group=mysql shell=/sbin/nologin home=/data/mysql uid=306 create_home=no     - name: unarchive mysql       unarchive: src=/data/files/mysql-5.6.46.tar.gz dest=/usr/local owner=mysql group=mysql     - name: make link       file: src=/usr/local/mysql-5.6.46 dest=/usr/local/mysql state=link     - name: create data dir       shell: chdir=/usr/local/mysql mysqld --initialize-insecure --datadir=/data/mysql --user=mysql       tags: data     - name: copy my.cnf       copy: src=/data/my.cnf dest=/etc/my.cnf     - name: enable service       shell: systemctl start mysqld;systemctl enable mysql       tags: service     - name: config PATH       copy: content=PATH=/usr/local/mysql/bin:$PATH dest=/etc/profile.d/mysql.sh     - name: script       script: /data/init.sh       tags: script

   　　

2. notify & handler
   
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   --- - hosts: web-server   remote_user: root     tasks:     - name: install httpd       yum: name=httpd state=present     - name: copy config files       copy: src=/config/httpd.conf dest=/etc/httpd/conf/       notify:         - restart httpd         - check httpd process     - name: config service       service: name=httpd state=started enabled=yes         handlers:     - name: restart httpd       service: name=httpd state=restarted     - name: check httpd process       shell: killall -0 httpd &> /tmp/httpd.log ...

   　　

3.  

   环境变量

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   - hosts: gale   remote_user: root   vars:     - ip: "{{ ansible_default_ipv4['address'] }}"     - username: user1     - groupname: group1     - filename: bbb  # ansible-playbook -e has great priority   vars_files:     - vars.yaml     tasks:     - name: create log file       file: path=/dd/{{ ansible_nodename }}.log state=touch owner=rabid group=rabid mode=7000     - name: create log file       file: path=/dd/{{ ip }}.log state=directory     - name: create group       group: name={{ groupname }} state=present     - name: create user       user: name={{ username }} state=present     - name: create file       file: path=/data/{{ filename }} state=touch     - name: create file       file: path=/mnt/{{ a }} state=directory     - name: create file       file: path=/mnt/{{ b }} state=touch

   　　

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   --- a: aaa b: bbb ...

   　　

4.  template
   

    

    

    

    

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   --- - hosts: gale   remote_user: root     tasks:     - name: install nginx       yum: name=nginx state=present     - name: actualize nginx template       template: src=nginx.conf.j2 dest=/etc/nginx/nginx.conf       notify: reset service     - name: config nginx service       service: name=nginx state=started enabled=yes   handlers:     - name: reset service       service: name=nginx state=restarted

   　　

    

    
   for
   

    

    

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   --- - hosts: gale   remote_user: root   gather_facts: no   vars:     - vhosts:         - listen: 80           server_name: bb.io         - listen: 8080           server_name: pp.io     tasks:     - name: actualize nginx template       template: src=nginx.conf.j2 dest=/mnt/nginx.conf

   　　

    

    
   template:
   
   

    

    yaml
   
   

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   --- - hosts: gale   remote_user: root   gather_facts: no   vars:     - ports: [ 80, 81, 82]     tasks:     - name: actualize nginx template       template: src=nginx.conf.j2 dest=/mnt/nginx.conf

   　　
   

    

    

    

   条件判断
   
   

   

    

    

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   --- - hosts: gale   remote_user: root   gather_facts: no   vars:     - vhosts:         - web1:           listen: 81           root: /var/www/nginx/web1         - web2:           listen: 82           server_name: web2.b.io           root: /var/www/nginx/web2         - web3:           listen: 83           server_name: web3.b.io           root: /var/www/nginx/web3     tasks:     - name: actualize nginx template       template: src=nginx.conf.j2 dest=/mnt/nginx.conf

   　　

    

    

5.  

   条件测试

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   --- - hosts: gale2:u1   remote_user: root     tasks:     - name: shutdown RedHat flavored systems       command: shutdown -h now       when: ansible_os_family == 'RedHat'

   　　
   根据ip地址筛选

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   --- - hosts: gale2:u1   remote_user: root     tasks:     - name: orient copy files       copy: src=/etc/rpc dest=/opt       when: "ansible_default_ipv4['address'] == '192.168.8.12'"

   　　

6. with_items

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   --- - hosts: gale   remote_user: root     tasks:     - name: augment group       group: name={{ item }} state=present       with_items:         - nginx         - mysql         - apache     - name: augment user       user: name={{ item.user }} state=present groups=wheel       with_items:         - user: augment1         - user: augment2     - name: augment user       user: name={{ item.user }} group={{ item.group }} state=present       with_items:         - {name: nginx, group: nginx}         - {name: mysql, group: mysql}         - {name: apache, group: apache}

   　　

7.  roles

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   --- - hosts: all   remote_user: root     roles:     - {role: nginx, username: nginx, when: ansible_distribution_major_version == '7'} --- - hosts: all   remote_user: root     roles:     - {role: nginx, tags: [nginx, web], when: ansible_distribution_major_version == '6'}     - {role: httpd, tags: [httpd, web]}     - {role: mysql, tags: [mysql, db]}     - {role: mariadb, tags: [mariadb, db]}   ansible-playbook --tags=nginx,httpd,mysql nginx-role.yaml

   　　

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   - hosts: gale   remote_user: root       roles:     - {role: httpd, tags: [httpd, web], when: ansible_distribution_major_version == '7'}     - {role: nginx, tags: [nginx, web], when: ansible_distribution_major_version == '8'}