Saltstack搭建http，nginx，haproxy服务

搭建httpd

（1）

pwd
mkdir apache
mv apache.sls apache
cd apache/
mkdir files

cd files/
scp server3:/etc/httpd/conf/httpd.conf . --> ls

pwd
/srv/salt/apache

（2）vim apache.sls

apache-install:
  pkg.installed:   ##安装httpd
    - pkgs:
      - httpd
      - httpd-tools

  file.managed:   ##拷贝文件到server3
    - name: /etc/httpd/conf/httpd.conf  ##目的路径
    - source: salt://apache/files/httpd.conf  ##源文件

  service.running:  ##启动服务
    - name: httpd   ##服务名httpd
    - watch:        ##监控第一行apache-install下的file模块内容
      - file: apache-install
salt server3 state.sls apache.apache   (apache.apache=apache/apache.yml)

server3: 查看80端口
netstat -antlp

（3）更改端口

server1: 修改监控端口为8080

vim files/httpd.conf
42 Listen 8080

salt server3 state.sls apache.apache

##可以看到,将原来的删除，添加了新的
-Listen 172.25.78.3:80
+Listen 8080

server3查看8080端口
netstat -antlp

搭建nginx

(1)创建目录，获取nginx包

[root@server1 salt]# pwd
/srv/salt
[root@server1 salt]# mkdir nginx/ ##创建nginx服务部署目录
[root@server1 salt]# cd nginx/
[root@server1 nginx]# ls
[root@server1 nginx]# mkdir files
[root@server1 nginx]# cd files/ 
[root@server1 files]# scp [email protected]:/mnt/nginx/nginx-1.17.4.tar.gz .
[root@server1 files]# ls
nginx-1.17.4.tar.gz 

[root@server1 nginx]# pwd
/srv/salt/nginx

(2)拷贝nginx包

vim install.sls 

nginx-install:
  file.managed:
    - name: /mnt/nginx-1.17.4.tar.gz
    - source: salt://nginx/files/nginx-1.17.4.tar.gz

salt server2 state.sls nginx.install

(3)关闭debug，可以先在server2试一试

测试:server2
cd /mnt
tar zxf nginx-1.17.4.tar.gz
cd nginx-1.17.4

sed -i.bak 's/CFLAGS="$CFLAGS -g"/#CFLAGS="$CFLAGS -g"/g' auto/cc/gcc 

vim auto/cc/gcc ##查看是否成功关闭debug

成功以后再将解压后的包删除

rm -fr nginx-1.17.4

server1:
pwd:
/srv/salt/nginx

vim install.sls  

nginx-install:
  pkg.installed: ##安装nginx编译所需要的包
    - pkgs:
      - gcc
      - pcre-devel
      - openssl-devel

  file.managed:   ##拷贝文件
    - name: /mnt/nginx-1.17.4.tar.gz
    - source: salt://nginx/files/nginx-1.17.4.tar.gz

  cmd.run:  ##源码编译
    - name: cd /mnt && tar zxf  nginx-1.17.4.tar.gz && cd nginx-1.17.4 && sed -i.bak 's/CFLAGS="$CFLAGS -g"/#CFLAGS="$CFLAGS -g"/g' auto/cc/gcc && ./configure --prefix=/usr/local/nginx --with-http_ssl_module &> /dev/null && make &> /dev/null && make install &> /dev/null
    - creates: /usr/local/nginx  ##表示当系统已经有了nginx文件不进行重复编译安装
##- creates:判断语句，没有这个语句的话，每次都会执行上面的步骤

salt server2 state.sls nginx.install

(4)编写启动命令文件

重新编写脚本保证一个脚本内容不要繁多不然不好管理

vim nginx/files/nginx.service

[Unit]
Description=The NGINX HTTP and reverse proxy server
After=syslog.target network.target remote-fs.target nss-lookup.target  ##网络组件

[Service]
Type=forking
PIDFile=/usr/local/nginx/logs/nginx.pid
ExecStartPre=/usr/local/nginx/sbin/nginx -t
ExecStart=/usr/local/nginx/sbin/nginx
ExecReload=/usr/local/nginx/sbin/nginx -s reload
ExecStop=/bin/kill -s QUIT $MAINPID
PrivateTmp=true

[Install]
WantedBy=multi-user.target

[root@server1 files]# pwd
/srv/salt/nginx/files 
[root@server1 files]# ls
nginx-1.17.4.tar.gz  nginx.conf
[root@server1 files]# vim nginx.conf 
worker_processes  auto;

（5）启动nginx

pwd
/srv/salt/nginx

vim  service.sls
include:   ##调用install.sls文件
  - nginx.install

/usr/local/nginx/conf/nginx.conf:
  file.managed:
    - source: salt://nginx/files/nginx.conf

nginx-service:
  file.managed:   ##拷贝启动命令文件
    - name: /usr/lib/systemd/system/nginx.service
    - source: salt://nginx/files/nginx.service

  service.running:   ##启动nginx服务
    - name: nginx
    - reload: true
    - watch:
      - file: /usr/local/nginx/conf/nginx.conf

salt server2 state.sls nginx.service 
pwd
ls

server2查看:
ps ax | grep nginx
systemctl  status nginx

servre1:

[root@server1 apache]# pwd
/srv/salt/apache
[root@server1 apache]# ls
apache.sls  files
[root@server1 apache]# mv apache.sls install.sls
[root@server1 apache]# ls
files  install.sls
[root@server1 apache]# cd ..

vim top.sls

base:   
  'server2':
    - nginx.service

  'server3':
    - apache.install

同时推多个节点:

salt ‘*’ state.highstate ##高级状态

state.highstate:全局的所有的环境的所有的状态生效 
state.sls 用来指定特定sls进行处理

server2: 关闭nginx
systemctl stop nginx

在server1重新推，server2会重新开启nginx
server1:

salt ‘*’ state.highstate

server2:

systemctl status nginx

haproxy负载均衡

(1)搭建server4环境

在server1将yum文件scp给server4
server1:
cd /etc/yum.repos.d/

 scp salt.repo [email protected]:/etc/yum.repos.d/  

server4:

server4: 
cd /etc/yum.repos.d/ --> ls 
yum clean all  
yum repolist

获取4.0包 
scp -r  [email protected]:/mnt/zabbix/4.0 . cd 4.0/ --> ls

(2)安装salt-minion

yum install salt-minion -y

vim /etc/salt/minion
16 master: 172.25.78.1

systemctl start salt-minion

（3）server1进行授权:

salt-key -A
salt-key -L

srever1:编写文件
[root@server1 salt]# pwd
/srv/salt
[root@server1 salt]# mkdir haproxy
[root@server1 salt]# cd haproxy/ 
[root@server1 haproxy]# ls
[root@server1 haproxy]# mkdir files 

server1编写文件，给server4安装 haproxy

cd /srv/salt/haproxy
vim haproxy.sls

haproxy-install:   
  pkg.installed:
   - name: haproxy

ls
salt server4 state.sls haproxy.haproxy
##安装成功后server4会生成配置文件/etc/haproxy/haproxy.cfg

将文件拷贝到本地
cd /srv/salt/haproxy/files
scp server4:/etc/haproxy/haproxy.cfg .

vim haproxy.cfg

 60    stat uri /status

 64 frontend  main *:80
 65     default_backend             app

 74 backend app
 75     balance     roundrobin
 76     server  app1 172.25.78.2:80 check
 77     server  app2 172.25.78.3:8080 check

vim  /srv/salt/haproxy/haproxy.sls

haproxy-install:
  pkg.installed:
   - name: haproxy

  file.managed:
   - name: /etc/haproxy/haproxy.cfg
   - source: salt://haproxy/files/haproxy.cfg

  service.running:
   - name: haproxy
   - reload: true
   - watch:
     - file: haproxy-install


salt server4 state.sls haproxy.haproxy

未完。。。。。。。。

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