LNMP+zabbix+负载均衡架构图————ansible自动部署-摩杜云开发者社区

架构图：

LNMP+zabbix+负载均衡架构图————ansible自动部署_vim

部署：

环境：

LVS+keepalived 192.168.246.10 192.168.246.20
LNP 192.168.246.30  192.168.246.40
MySQL 192.168.246.50 192.168.246.70 192.168.246.80 
zabbix 192.168.246.60

1.安装ansible

[root@localhost ~]# yum install epel-release.noarch -y 
[root@localhost ~]# yum install -y ansible

2.配置免密登录

ssh-keygen
ssh-copy-id -i 192.168.246.10
ssh-copy-id -i 192.168.246.20
ssh-copy-id -i 192.168.246.30
ssh-copy-id -i 192.168.246.40
ssh-copy-id -i 192.168.246.50
ssh-copy-id -i 192.168.246.60
ssh-copy-id -i 192.168.246.70
ssh-copy-id -i 192.168.246.80
ssh-copy-id -i 192.168.246.90

3.创建角色并编写主机清单文件

mkdir /etc/ansible/playbook
ansible-galaxy init /etc/ansible/roles/host
ansible-galaxy init /etc/ansible/roles/yum_repo
ansible-galaxy init /etc/ansible/roles/LVS
ansible-galaxy init /etc/ansible/roles/keepalived1
ansible-galaxy init /etc/ansible/roles/keepalived2
ansible-galaxy init /etc/ansible/roles/LNP
ansible-galaxy init /etc/ansible/roles/mariadb
ansible-galaxy init /etc/ansible/roles/zabbix-server
ansible-galaxy init /etc/ansible/roles/zabbix-agent
ansible-galaxy init /etc/ansible/roles/master
ansible-galaxy init /etc/ansible/roles/slave
ansible-galaxy init /etc/ansible/roles/MHA-manager
vim /etc/ansible/hosts
[all_ip]
192.168.246.10
192.168.246.20
192.168.246.30
192.168.246.40
192.168.246.50
192.168.246.60

[nginx]
192.168.246.10
192.168.246.20

[LNP]
192.168.246.30
192.168.246.40

[zabbix]
192.168.246.50

[mysql]
192.168.246.60
192.168.246.70
192.168.246.80

[nodes]
192.168.246.20
192.168.246.30
192.168.246.40
192.168.246.10
192.168.246.60

[keepalived1]
192.168.246.10

[keepalived2]
192.168.246.20

[MHA-manager]
192.168.246.90

[slave]
192.168.246.70
192.168.246.80

[master]
192.168.246.60

ansible -m ping all_ip

3.编写host角色

vim /etc/ansible/roles/host/templates/hosts.j2
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

{% for host in groups.all  %}
{ {hostvars[host].ansible_ens33.ipv4.address} } { {hostvars[host].ansible_name} }
{% endfor  %}
vim /etc/ansible/roles/host/tasks/main.yml
- name: copy hosts.j2 to group servers
  template:
    src: hosts.j2
    dest: /etc/hosts

4.编写yum_repo角色

vim /etc/ansible/roles/yum_repo/tasks/main.yml
- name: Find files in yum.repo.d/*
  find:
    paths: /etc/yum.repo.d/
    patterns: '*'
  register: files_to_delete

- name: Remove original yum.repo.d/*
  file:
    path: "{{ item.path }}"
    state: absent
  with_items: "{{ files_to_delete.files }}"

- name: Copy aliyun yum.repo to all nodes
  copy:
    src: yum.repo
    dest: /etc/yum.repo.d/
yum install -y wget
wget -O /etc/ansible/roles/yum_repo/files/yum.repo http://mirrors.aliyun.com/repo/Centos-7.repo
mv Centos-7.repo yum.repo

5.编写LVS角色

vim /etc/ansible/roles/LVS/tasks/main.yml
- name: Insatll net-tools
  yum:
    name: net-tools
    state: present


- name: copy RS.sh to RS
  copy:
    src: RS.sh
    dest: /root/

- name: Config RS
  shell: sh /root/RS.sh

vim /etc/ansible/roles/LVS/files/RS.sh
#!/bin/bash
vip="192.168.246.100"
mask="255.255.255.255"
ifconfig lo:0 $vip broadcast $vip netmask $mask up
echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce
echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore
echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce

6.编写keppalived1角色

vim /etc/ansible/roles/keepalived1/tasks/main.yml
- name: Install Keepalived
  yum:
    name: keepalived
    state: present

- name: move keepalived.conf
  shell: "mv /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.back"
- name: Copy Config Keepalived
  copy:
    src: keepalived.conf
    dest: /etc/keepalived/

- name: Strat keepalived
  service:
    name: keepalived
    state: started
    enabled: yes
vim /etc/ansible/roles/keepalived1/files/keepalived.conf
! Configuration File for keepalived 
global_defs { 
router_id node1 # 设置lvs的id，一个网络中应该唯一 
}
vrrp_instance VI_1 { 
  state MASTER # 指定Keepalived的角色 
  interface ens33 # 网卡 
  virtual_router_id 10 # 虚拟路由器ID，主备需要一样 
  priority 100 # 优先级越大越优，backup路由器需要设置比这小！ 
  advert_int 1 # 检查间隔1s 
  authentication { 
    auth_type PASS 
    auth_pass 1111 
  }
  virtual_ipaddress { 
    192.168.246.100 # 定义虚拟IP地址，可以定义多个 
  } 
}
# 定义虚拟主机，对外服务的IP和port 
virtual_server 192.168.246.100 80 { 
  delay_loop 6 # 设置健康检查时间，单位是秒 
  lb_algo wrr # 负责调度算法 
  lb_kind DR # LVS负载均衡机制 
  persistence_timeout 0 
  protocol TCP 
  # 指定RS主机IP和port 
  real_server 192.168.246.30 80 { 
    weight 2 
    # 定义TCP健康检查 
      TCP_CHECK { 
        connect_timeout 10 
        nb_get_retry 3 
        delay_before_retry 3 
        connect_port 80 
      } 
    }
    real_server 192.168.246.40 80 { 
      weight 1 
      TCP_CHECK { 
        connect_timeout 10 
        nb_get_retry 3 
        delay_before_retry 3 
        connect_port 80 
      }
    } 
}

7.编写keppalived2角色

vim /etc/ansible/roles/keepalived2/tasks/main.yml
- name: Install Keepalived
  yum:
    name: keepalived
    state: present

- name: move keepalived.conf
  shell: "mv /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.back"
- name: Copy Config Keepalived
  copy:
    src: keepalived.conf
    dest: /etc/keepalived/

- name: Strat keepalived
  service:
    name: keepalived
    state: started
    enabled: yes
vim /etc/ansible/roles/keepalived2/files/keepalived.conf
! Configuration File for keepalived 
global_defs { 
router_id node2 # 设置lvs的id，一个网络中应该唯一 
}
vrrp_instance VI_1 { 
  state BACKUP # 指定Keepalived的角色 
  interface ens33 # 网卡 
  virtual_router_id 10 # 虚拟路由器ID，主备需要一样 
  priority 99 # 优先级越大越优，backup路由器需要设置比这小！ 
  advert_int 1 # 检查间隔1s 
  authentication { 
    auth_type PASS 
    auth_pass 1111 
  }
  virtual_ipaddress { 
    192.168.246.100 # 定义虚拟IP地址，可以定义多个 
  } 
}
# 定义虚拟主机，对外服务的IP和port 
virtual_server 192.168.246.100 80 { 
  delay_loop 6 # 设置健康检查时间，单位是秒 
  lb_algo wrr # 负责调度算法 
  lb_kind DR # LVS负载均衡机制 
  persistence_timeout 0 
  protocol TCP 
  # 指定RS主机IP和port 
  real_server 192.168.246.30 80 { 
    weight 2 
    # 定义TCP健康检查 
      TCP_CHECK { 
        connect_timeout 10 
        nb_get_retry 3 
        delay_before_retry 3 
        connect_port 80 
      } 
    }
    real_server 192.168.246.40 80 { 
      weight 1 
      TCP_CHECK { 
        connect_timeout 10 
        nb_get_retry 3 
        delay_before_retry 3 
        connect_port 80 
      }
    } 
}

8.编写LNP角色

vim /etc/ansible/roles/LNP/tasks/main.yml
- name: Install nginx
  yum:
    name: "{{ item }}"
    state: present
  loop:
    - epel-release
    - nginx
    - wget

- name: Config nginx Service
  service:
    name: nginx
    state: started
    enabled: yes

- name: create group www
  group:
    name: www
    gid: 666

- name: create user www
  user:
    name: www
    uid: 666
    groups: 666
    shell: /sbin/nologin

- name: change nginx_user to www
  shell: "sed -i '/^user/c user www;' /etc/nginx/nginx.conf"

- name: Download  php
  shell: "rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm"

- name: Install php
  shell: "yum -y install php71w-*  --skip-broken php71w-mysqlnd"

- name: change php_user
  shell: "sed -i '/^user/c user = www' /etc/php-fpm.d/www.conf" 

- name: change php_group
  shell: "sed -i '/^group/c group = www' /etc/php-fpm.d/www.conf"

- name: Start php
  service:
    name: php-fpm
    state: started
    enabled: yes

- name: create typecho conf
  copy:
    src: typecho.conf
    dest: /etc/nginx/conf.d/

- name: Restart nginx service
  service:
    name: nginx
    state: restarted

- name: mkdir file typecho
  file:
    path: /typecho/
    state: directory

- name: download typecho
  shell: "wget http://typecho.org/downloads/1.1-17.10.30-release.tar.gz"

- name: tar typecho
  shell: "tar xzvf 1.1-17.10.30-release.tar.gz -C /typecho"

- name: change typecho name
  shell: "mv /typecho/build /typecho/typecho"

vim /etc/ansible/roles/LNP/files/typecho.conf
server {
listen 80; 
server_name blog.iproute.cn; 
root /typecho/typecho; 
index index.php index.html; 
location ~ .*\.php(\/.*)*$ { 
root /typecho/typecho; 
fastcgi_pass 127.0.0.1:9000; 
fastcgi_index index.php; 
fastcgi_param SCRIPT_FILENAME 
$document_root$fastcgi_script_name; 
include fastcgi_params; 
} 
}

9.编写mariadb角色

vim /etc/ansible/roles/mariadb/tasks/main.yml
- name: Install tool
  yum:
    name: wget
    state: present

- name: Install Mariadb
  yum:
    name: mariadb-server
    state: present

- name: Start mariadb
  service:
    name: mariadb
    state: started
    enabled: yes

- name: copy mariadb_config
  copy:
    src: config.sh
    dest: /root/

- name: Config service
  shell: "sh /root/config.sh"

- name: Restart mariadb
  service:
    name: mariadb
    state: restarted

- name: Download MHA-node
  shell: "wget -c --referer=https://pan.baidu.com/s/18tciTp1W2S466Usxeiv5IQ?pwd=w5qw -O mha4mysql-node-0.56-0.el6.noarch.rpm 'https://bdbl-cm01.baidupcs.com/file/67615a789828acc4e89801d61547344a?bkt=en-43ea5360a23c0e2039c06550cb90891c5fcdc201446d2825085213fc02b79c58aadb3fed9c3bff3d4916a205e27284149708f56ab6db988cf57703d145e872b7&fid=1837172481-250528-920387790047370&time=1665380024&sign=FDTAXUbGERLQlBHSKfWqiu-DCb740ccc5511e5e8fedcff06b081203-KFUmON%2F98HnnXSP%2BVZaiiqKcPiY%3D&to=401&size=36326&sta_dx=36326&sta_cs=4227&sta_ft=rpm&sta_ct=7&sta_mt=0&fm2=MH%2CBaoding%2CAnywhere%2C%2Cjiangsu%2Ccmnet&ctime=1529295035&mtime=1665304348&resv0=0&resv1=0&resv2=rlim&resv3=5&resv4=36326&vuk=1837172481&iv=0&htype=&randtype=&tkbind_id=0&newver=1&newfm=1&secfm=1&flow_ver=3&pkey=en-abfeb0f660fbae15dd7f751fef55a1a38bf2d1292bf94b4030019887580498fe7060230995a44bddc834793db5de188e52b9d7fa0743e233305a5e1275657320&sl=68616270&expires=8h&rt=sh&r=563541612&vbdid=384965884&fin=mha4mysql-node-0.56-0.el6.noarch.rpm&fn=mha4mysql-node-0.56-0.el6.noarch.rpm&rtype=1&dp-logid=8859325313021416060&dp-callid=0.1&hps=1&tsl=200&csl=200&fsl=0&csign=2TTYjB5dlpPthm1ZRF3sWWfyzKY%3D&so=0&ut=6&uter=4&serv=0&uc=1499419338&ti=5e666840c78f1973033b5cb2864c1fa0339192ca6e28a8a7305a5e1275657320&hflag=30&from_type=3&adg=c_4cbfa5fff088e55cae69bc58eb6a5c35&reqlabel=250528_f_afeab346d70254f377eca63ca8b513f7_-1_37457d3bb5a63f7aa0215148ba0b5a9f&by=themis&resvsflag=1-0-0-1-1-1'"

- name: Install MHA-node
  yum:
    name: mha4mysql-node-0.56-0.el6.noarch.rpm
    state: present
  
vim /etc/ansible/roles/mariadb/files/config.sh
#!/bin/bash
mysqladmin password '1'
mysql -uroot -p1 -e 'create database blog;show databases;' 
mysql -uroot -p1 -e "grant all on *.* to root@'192.168.246.%' identified by '1';"
mysql -uroot -p1 -e "install plugin rpl_semi_sync_master soname 'semisync_master.so';"
mysql -uroot -p1 -e "install plugin rpl_semi_sync_slave soname 'semisync_slave.so';"
mysql -uroot -p1 -e "set global rpl_semi_sync_master_enabled = 1;"
mysql -uroot -p1 -e "set global rpl_semi_sync_slave_enabled = 1;"
mysql -uroot -p1 -e "grant replication slave on *.* to 'master'@'192.168.246.%' identified by '1';"
mysql -uroot -p1 -e "flush privileges;"
id=`ip a | grep  "noprefixroute ens33" | awk -F ' ' 'NR==1{print $2};' | awk -F '.' '{print $4}' | awk -F '/' '{print $1}'`
sed -i "3a server_id = $id" /etc/my.cnf
sed -i "4a log_bin = mysql_bin" /etc/my.cnf
sed -i "5a rpl_semi_sync_master_enabled = 1" /etc/my.cnf
sed -i "6a rpl_semi_sync_master_timeout = 3000" /etc/my.cnf
sed -i "6a rpl_semi_sync_slave_enabled = 1" /etc/my.cnf
sed -i "7a relay_log_purge = 0" /etc/my.cnf

10.编写zabbix-server角色

vim /etc/ansible/roles/zabbix-server/tasks/main.yml
- name: Download zabbix package
  shell: "rpm -Uvh https://repo.zabbix.com/zabbix/4.0/rhel/7/x86_64/zabbix-release-4.0-2.el7.noarch.rpm"
  
- name: Install zabbix-server-mysql zabbix-web-mysql zabbix-agent mariadb
  yum:
    name: "{{ item }}"
    state: present
  loop:
    - zabbix-server-mysql
    - zabbix-web-mysql
    - zabbix-agent
    - mariadb-server

- name: Config mariadb service
  service:
    name: mariadb
    state: started
    enabled: yes
- name: set password for mariadb
  shell: "mysqladmin password '1'"
- name: copy mariadb.sh to server
  copy:
    src: mariadb.sh
    dest: /root/

- name: create zabbix for mariadb
  shell: "sh /root/mariadb.sh"


- name: Configure the database for zabbix
  shell: "sed -i '/# DBPassword=/c DBPassword=1'  /etc/zabbix/zabbix_server.conf"

- name:  Configure PHP for the Zabbix frontend 
  shell: "sed -i '/ # php_value date.timezone/c php_value date.timezone Asia/Shanghai ' /etc/httpd/conf.d/zabbix.conf"

- name: Start zabbix-server zabbox-agent service
  service:
    name: "{{ item }}"
    state: started
    enabled: yes
  loop:
    - zabbix-server
    - zabbix-agent
    - httpd
vim /etc/ansible/roles/zabbix-server/files/mariadb.sh
#!/bin/bash
#创建数据库
a=`mysql -uroot -p1  -e "show databases;" | grep "zabbix"`
if [[ $a != "zabbix" ]];then
        mysql -uroot -p1 -e "create database zabbix character set utf8 collate utf8_bin;"
fi
#创建用户
b=`mysql -uroot -p1 -e "select user,host from mysql.user;" | grep -o "zabbix"`
if [[ $b != "zabbix" ]];then
        mysql -uroot -p1 -e "grant all on zabbix.* to zabbix@localhost identified by '1';"
fi
#倒数数据库
zcat /usr/share/doc/zabbix-server-mysql*/create.sql.gz | mysql -uzabbix -D zabbix -p1

11.编写zabbix-agent角色

vim /etc/ansible/roles/zabbix-agent/templates/zabbix_agentd.conf.j2
PidFile=/var/run/zabbix/zabbix_agentd.pid
LogFile=/var/log/zabbix/zabbix_agentd.log
LogFileSize=0
Server=192.168.246.50
ServerActive=192.168.246.50
Hostname={{ ansible_fqdn }}
vim /etc/ansible/roles/zabbix-agent/tasks/main.yml
- name: Install zabbix-agent package 
  shell: "rpm -Uvh https://repo.zabbix.com/zabbix/4.0/rhel/7/x86_64/zabbix-release-4.0-2.el7.noarch.rpm" 

- name: install zabbix-agent 
  yum: 
    name: zabbix-agent 
    state: present 
      
- name: delete /etc/zabbix_agentd.conf
  shell: "mv  /etc/zabbix/zabbix_agentd.conf{,.back}"
- name: copy
  template:
      src: zabbix_agentd.conf.j2
      dest: /etc/zabbix/zabbix_agentd.conf
  notify: server zabbix-agent
- name: systemctl
  service:
      name: zabbix-agent
      state: started
vim /etc/ansible/roles/zabbix-agent/handlers/main.yml
- name: server zabbix-agent
  service:
      name: zabbix-agent
      state: restarted

12.编写slave角色

vim /etc/ansible/roles/slave/tasks/main.yml
- name: copy slave.sh
  copy:
    src: slave.sh
    dest: /root/

- name: Configure master slave replication
  shell: "sh /root/slave.sh"
  
vim /etc/ansible/roles/slave/files/slave.sh
#!/bin/bash
log=`mysql -uroot -p1 -h 192.168.246.60 -e "show master status\G;" | grep File | awk -F ':' '{gsub (" ", "", $0);print $2}'`
positinotallow=`mysql -uroot -p1 -h 192.168.246.60  -e "show master status\G;" | grep Position | awk -F ':' '{gsub (" ", "", $0);print $2}'`
mysql -uroot -p1 -e "change master to master_host='192.168.246.60',master_user='master',master_password='1',master_log_file='$log',master_log_pos=$position;"
mysql -uroot -p1 -e "start slave;"

13.编写master角色

vim /etc/ansible/roles/master/tasks/main.yml
- name: copy
  copy:
    src: grant.sh
    dest: /root/

- name: Authorized  mhauser user
  shell: "sh /root/grant.sh"

vim /etc/ansible/roles/master/files/grant.sh
#!/bin/bash
mysql -uroot -p1 -e "grant all on *.* to mhauser@'192.168.246.%' identified by '1';flush privileges;"
mysql -uroot -p1 -e "grant all on *.* to mhauser@server1 identified by '1';flush privileges;"

14.编写MHA-manager角色

vim /etc/ansible/roles/MHA-manager/tasks/main.yml 
- name: Install tool
  yum:
    name: wget
    state: present

- name: Download manager
  shell: "wget -c --referer=https://pan.baidu.com/s/1xpnbMayLlw4fmb9CC7MzBw?pwd=gpxr -O mha4mysql-manager-0.56-0.el6.noarch.rpm 'https://bdbl-cm01.baidupcs.com/file/bfd2603244cbe64f088c70f502d46629?bkt=en-660aa7a193f4106dad4b8b70a9f790600769e87fa62168f29c7ab1a450711c0110d887937ae2a7644f7c07e8720baadef6f00832b1912434476e7e4deeddf0fd&fid=1837172481-250528-946789936136925&time=1665392242&sign=FDTAXUbGERLQlBHSKfWqiu-DCb740ccc5511e5e8fedcff06b081203-jreBu2W94CeFgFuQEbNilBOxEbc%3D&to=401&size=87119&sta_dx=87119&sta_cs=3&sta_ft=rpm&sta_ct=7&sta_mt=1&fm2=MH%2CBaoding%2CAnywhere%2C%2Cjiangsu%2Ccmnet&ctime=1529295034&mtime=1665304348&resv0=0&resv1=0&resv2=rlim&resv3=5&resv4=87119&vuk=1837172481&iv=0&htype=&randtype=&tkbind_id=0&newver=1&newfm=1&secfm=1&flow_ver=3&pkey=en-e86209ee5f05f1d272ca3877a8727a3755c2e07c65b860596b0b4d6acf8819ef75be95342b682d8c6c5fb5de4c1044edb1afd2572e19ee65305a5e1275657320&sl=68616270&expires=8h&rt=sh&r=275990381&vbdid=384965884&fin=mha4mysql-manager-0.56-0.el6.noarch.rpm&fn=mha4mysql-manager-0.56-0.el6.noarch.rpm&rtype=1&dp-logid=8862605096816399425&dp-callid=0.1&hps=1&tsl=200&csl=200&fsl=0&csign=2TTYjB5dlpPthm1ZRF3sWWfyzKY%3D&so=0&ut=6&uter=4&serv=0&uc=1499419338&ti=a3dba1a35b3557e7692d933e0c749103d7161a89779a33c7&hflag=30&from_type=3&adg=c_4cbfa5fff088e55cae69bc58eb6a5c35&reqlabel=250528_f_afeab346d70254f377eca63ca8b513f7_-1_37457d3bb5a63f7aa0215148ba0b5a9f&by=themis&resvsflag=1-0-0-1-1-1'"

- name: Down node
  shell: "wget -c --referer=https://pan.baidu.com/s/18tciTp1W2S466Usxeiv5IQ?pwd=w5qw -O mha4mysql-node-0.56-0.el6.noarch.rpm 'https://bdbl-cm01.baidupcs.com/file/67615a789828acc4e89801d61547344a?bkt=en-43ea5360a23c0e2039c06550cb90891c5fcdc201446d2825085213fc02b79c58aadb3fed9c3bff3d4916a205e27284149708f56ab6db988cf57703d145e872b7&fid=1837172481-250528-920387790047370&time=1665380024&sign=FDTAXUbGERLQlBHSKfWqiu-DCb740ccc5511e5e8fedcff06b081203-KFUmON%2F98HnnXSP%2BVZaiiqKcPiY%3D&to=401&size=36326&sta_dx=36326&sta_cs=4227&sta_ft=rpm&sta_ct=7&sta_mt=0&fm2=MH%2CBaoding%2CAnywhere%2C%2Cjiangsu%2Ccmnet&ctime=1529295035&mtime=1665304348&resv0=0&resv1=0&resv2=rlim&resv3=5&resv4=36326&vuk=1837172481&iv=0&htype=&randtype=&tkbind_id=0&newver=1&newfm=1&secfm=1&flow_ver=3&pkey=en-abfeb0f660fbae15dd7f751fef55a1a38bf2d1292bf94b4030019887580498fe7060230995a44bddc834793db5de188e52b9d7fa0743e233305a5e1275657320&sl=68616270&expires=8h&rt=sh&r=563541612&vbdid=384965884&fin=mha4mysql-node-0.56-0.el6.noarch.rpm&fn=mha4mysql-node-0.56-0.el6.noarch.rpm&rtype=1&dp-logid=8859325313021416060&dp-callid=0.1&hps=1&tsl=200&csl=200&fsl=0&csign=2TTYjB5dlpPthm1ZRF3sWWfyzKY%3D&so=0&ut=6&uter=4&serv=0&uc=1499419338&ti=5e666840c78f1973033b5cb2864c1fa0339192ca6e28a8a7305a5e1275657320&hflag=30&from_type=3&adg=c_4cbfa5fff088e55cae69bc58eb6a5c35&reqlabel=250528_f_afeab346d70254f377eca63ca8b513f7_-1_37457d3bb5a63f7aa0215148ba0b5a9f&by=themis&resvsflag=1-0-0-1-1-1'"

- name: Install MHA
  yum:
    name: "{{ item }}"
    state: present
  loop:
    - mha4mysql-node-0.56-0.el6.noarch.rpm
    - mha4mysql-manager-0.56-0.el6.noarch.rpm

- name: creaet directory for mha
  file:
    path: /etc/mha
    state: directory

- name: creaet directory for mha_log
  file:
    path: /usr/local/mha
    state: directory

- name: copy config to MHA-manager
  copy:
    src: default.conf
    dest: /etc/mha/

- name: grant mha config
  shell: "chmod +x /etc/mha/default.conf"

- name: Check whether ssh can be connected
  shell: "masterha_check_ssh --cnotallow=/etc/mha/default.conf"

- name: Check whether MHA switches successfully
  shell: "masterha_check_repl --cnotallow=/etc/mha/default.conf"

- name: Start MHA
  shell: "masterha_manager --cnotallow=/etc/mha/default.conf  2>&1 &"

vim /etc/ansible/roles/MHA-manager/files/default.conf
[server default]
#设置具有spuer的用户
user=mhauser
#设置对应的密码
password=1
#设置ssh登录的用户名
ssh_user=root

#设置实例mysql的二进制文件目录
master_binlog_dir=/var/lib/mysql
#远端mysql发生切换时保存的二进制文件
remote_workdir=/data/log/masterha
#工作日志文件
manager_workdir=/usr/local/mha
#日志文件
manager_log=/etc/mha/manager.log

#设置监控主机的间隔时间，默认3秒
ping_interval=1
#设置复制环境中的复制用户名
repl_user=master
#设置复制用户名密码
repl_password=1

[server1]
hostname=192.168.246.60

[server2]
hostname=192.168.246.70
candidate_master=1

[server3]
hostname=192.168.246.80
#设置此库不成为master
no_master=1

15.编写汇总任务

vim /etc/ansible/playbook/site.yml
- name: Config hosts file
  hosts: all_ip
  roles:
    - host
      
- name: Update all node yum.repo.file
  hosts: all_ip
  roles:
  - yum_repo
 
- name: Config LVS service
  hosts: LNP
  roles:
    - LVS

- name: Config keepalived
  hosts: keepalived1
  roles:
    - keepalived1


- name: Config keepalived
  hosts: keepalived2
  roles:
    - keepalived2

- name: Install LNMP
  hosts: LNP
  roles:
    - LNP

- name: Install mysql
  hosts: mysql
  roles:
    - mariadb

- name: Config slave
  hosts: slave
  roles:
    - slave

- name: Config master
  hosts: master
  roles:
    - master

- name: Config MHA
  hosts: MHA-manager
  roles:
    - MHA-manager

- name: Install zabbix-server service
  hosts: zabbix
  roles:
    - zabbix-server
    
- name: Install zabbix-agent
  hosts: nodes
  roles:
    - zabbix-agent