ansible lvs mariadb

yum install gcc gcc-c++ glibc glibc-devel pcre pcre-devel openssl openssl-devel systemd-devel net-tools vim iotop bc zip unzip zlib-devel lrzsz tree screen lsof tcpdump wget ntpdate

make ARCH=x86_64 TARGET=linux-glibc USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 USE_SYSTEMD=1 USE_CPU_AFFINITY=1 USE_LUA=1 LUA_INC=/usr/local/src/lua-5.3.5/src/ LUA_LIB=/usr/local/src/lua-5.3.5/src

make ARCH=x86_64 TARGET=linux-glibc USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 USE_SYSTEMD=1 USE_CPU_AFFINITY=1 USE_LUA=1 LUA_INC=/usr/local/src/lua-5.3.5/src/ LUA_LIB=/usr/local/src/lua-5.3.5/src/ PREFIX=/usr/local/haproxy

192.168.37.51 ansible
52 vs1（n+k+l）
53
54 rs1（httpd）
55
56mariadb

[root@an ~]# yum install ansible

[root@an ~]# ssh-keygen -t rsa

[root@an ~]# ssh-copy-id -i .ssh/id_rsa.pub root@192.168.37.52
[root@an ~]# ssh-copy-id -i .ssh/id_rsa.pub root@192.168.37.53
[root@an ~]# ssh-copy-id -i .ssh/id_rsa.pub root@192.168.37.54
[root@an ~]# ssh-copy-id -i .ssh/id_rsa.pub root@192.168.37.55
[root@an ~]# ssh-copy-id -i .ssh/id_rsa.pub root@192.168.37.56

[root@an ~]# ssh 192.168.37.55
[root@an ~]# vim /etc/ansible/hosts

[web]
192.168.37.54
192.168.37.55
[nginx]
192.168.37.52 state=MASTER priority=100
192.168.37.53 state=BACKUP priority=90 keepalived的变量
[mysql]
192.168.37.56

[root@an ~]# ansible all -a date

[root@an ~]# mkdir -pv /etc/ansible/roles/{mysql,web,nginx}/{files,tasks,templates,vars,handlers,meta}

[root@an tasks]# cd /etc/ansible/roles/web/tasks/
[root@an tasks]# vim main.yml

• name: install web pakgs
  yum: name={{ item }}
  with_items:
  • httpd
  • php
  • php-mysql
• name: config web
  copy: src=httpd.conf dest=/etc/httpd/conf/httpd.conf
  notify: restart the service # 注意这里要与handlers里定义的name相同
• name: copy wordpress
  synchronize: src=wordpress dest=/var/www/html/wordpress/
• name: restart the service
  service: name=httpd state=started

[root@an handlers]# cd /etc/ansible/roles/web/handlers/
[root@an handlers]# vim main.yml

• name: restart the service #就这
  service: name=httpd state=restarted
  [root@an handlers]# cd /etc/ansible/roles/web/files/
  [root@an files]# tar xf wordpress-5.0-zh_CN.tar.gz
  [root@an files]# cp /etc/httpd/conf/httpd.conf .
  [root@an files]# cd wordpress
  [root@an wordpress]# cp wp-config-sample.php wp-config.php
  [root@an wordpress]# vim wp-config.php

define(‘DB_NAME’, ‘wp’);

/* MySQL数据库用户名 /
define(‘DB_USER’, ‘wpuser’);

/* MySQL数据库密码 /
define(‘DB_PASSWORD’, ‘centos’);

/* MySQL主机 /
define(‘DB_HOST’, ‘192.168.37.66’);

[root@an wordpress]# cd /etc/ansible
[root@an ansible]# vim web.yml

[root@an ansible]# ansible-playbook -C /etc/ansible/web.yml

[root@an web]# yum install -y rsync

[root@an ~]# vim /etc/ansible/roles/nginx/tasks/main.yml

• name: install package
  yum: name={{ item }}
  with_items:
  • nginx
  • keepalived
• name: config keepalived
  template: src=keepalived.conf.j2 dest=/etc/keepalived/keepalived.conf
  notify: restart keepalived
• name: config nginx
  template: src=nginx.conf.j2 dest=/etc/nginx/nginx.conf
  notify: restart nginx
• name: start service
  service: name={{ item }} state=started enabled=true
  with_items:
  • keepalived
  • nginx

[root@an ~]# vim /etc/ansible/roles/nginx/handlers/main.yml

• name: restart keepalived
  service: name=keepalived state=restarted
• name: restart nginx
  service: name=nginx state=restarted
  [root@an ~]# vim /etc/ansible/roles/nginx/templates/keepalived.conf.j2

global_defs {
notification_email {
acassen@firewall.loc
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id {{ansible_hostname}} #自带变量，通过ansible 主机IP -m setup 查询
vrrp_mcast_group4 224.0.0.43
}

vrrp_instance VI_1 {
state {{ state }} #已通过hosts文件定义变量
interface ens33 #网卡名
virtual_router_id 51
priority {{ priority }}
advert_int 1
authentication {
auth_type PASS
auth_pass lovelinux #设置密码
}
virtual_ipaddress {
172.18.43.88 #虚拟IP
}
}

vim /etc/ansible/roles/nginx/templates/nginx.conf.j2
upstream web { #新增段
server 172.18.43.61;
server 172.18.43.62;
}
server {
listen 80 defaultserver;
listen [::]:80 default_server;
server_name ;
root /usr/share/nginx/html;

# Load configuration files for the default server block.
    include /etc/nginx/default.d/*.conf;
location / {                     #新增段
    proxy_pass    
    }
}

[root@an ~]# vim /etc/ansible/nginx.yml

[root@an ~]# ansible-playbook -C /etc/ansible/nginx.yml

[root@an ~]# vim /etc/ansible/roles/mysql/tasks/main.yml

• name: install mariadb
  yum: name=mariadb-server
• name: copy sql file
  copy: src=mysql.sql dest=/tmp/mysql.sql
• name: start mysql service
  service: name=mariadb state=started
• name: config mysql
  shell: “mysql < /tmp/mysql.sql”
  [root@an ~]# vim /etc/ansible/roles/mysql/files/mysql.sql
  CREATE DATABASE wp;
  GRANT ALL ON wp.* TO ‘wpuser’@’%’ IDENTIFIED BY ‘lovelinux’;

[root@an ~]# vim /etc/ansible/mysql.yml

• hosts: mysql
  remote_user: root
  roles:
  • mysql

[root@an ~]# ansible-playbook -C /etc/ansible/mysql.yml
[root@an ~]# cd /etc/ansible/
[root@an ansible]# tree -L 4

[root@an ansible]# ansible-playbook web.yml

[root@an ansible]# ansible-playbook nginx.yml

[root@an ansible]#ansible-playbook mysql.yml