Saltstack系列:Saltstack安装Nginx

    学习了Saltstack,之前也写几篇Saltstack系列,分别是: Saltstack的安装,Saltstack的分组,以及Saltstack的Grains和Pillar,今天牛刀小试,利用Saltstack部署Nginx源码编译安装。

    实现内容:

       (1.nginx源码安装

       (2.实现配置文件、服务、用户、日志切割

1.目录结构

[root@node1 salt]# pwd
/srv/salt
[root@node1 salt]# tree -n .
.
├── nginx
│   ├── conf.sls
│   ├── files
│   │   ├── nginx
│   │   ├── nginx-1.7.12.tar.gz
│   │   ├── nginx.conf
│   │   ├── nginx_log_cut.sh
│   │   └── vhost.conf
│   ├── init.sls
│   └── install.sls
└── top.sls
2 directories, 9 files

2.文件分析

(1.top文件

[root@node1 salt]# cat top.sls 
base:
  'node2':
    - nginx
[root@node1 nginx]# cat init.sls 
include:
  - nginx.install
  - nginx.conf

(2.init.sls文件

[root@node1 nginx]# cat init.sls 
include:
  - nginx.install
  - nginx.conf

(3.install.sls文件

[root@node1 nginx]# cat install.sls 
#nginx.tar.gz
nginx_source:
  file.managed:
    - name: /tmp/nginx-1.7.12.tar.gz
    - unless: test -e /tmp/nginx-1.7.12.tar.gz
    - source: salt://nginx/files/nginx-1.7.12.tar.gz
#extract
extract_nginx:
  cmd.run:
    - cwd: /tmp
    - names:
      - tar zxvf nginx-1.7.12.tar.gz
    - unless: test -d /tmp/nginx-1.7.12
    - require:
      - file: nginx_source
#user
nginx_user:
  user.present:
    - name: nginx
    - createhome: False
    - gid_from_name: True
    - shell: /sbin/nologin
#nginx_pkgs
nginx_pkg:
  pkg.installed:
    - pkgs:
      - openssl-devel
      - pcre-devel
      - zlib-devel
#nginx_compile
nginx_compile:
  cmd.run:
    - cwd: /tmp/nginx-1.7.12
    - names:
      - ./configure --prefix=/home/nginx  --user=nginx  --group=nginx  --with-http_ssl_module --with-http_stub_status_module && make && make install
    - require:
      - cmd: extract_nginx
      - pkg:  nginx_pkg
    - unless: test -d /home/nginx
#cache_dir
cache_dir:
  cmd.run:
    - names:
      - mkdir -p /home/nginx/conf/conf.d && chown -R nginx.nginx /home/nginx/
    - require:
      - cmd: nginx_compile
    - unless: test -d /home/nginx/conf/conf.d/
  #vhosts
  file.managed:
    - name: /home/nginx/conf/conf.d/www.example.com.conf
    - unless: test -e /home/nginx/conf/conf.d/www.example.com.conf
    - source: salt://nginx/files/vhost.conf

(4.nginx启动脚本文件

[root@node1 files]# cat nginx
#! /bin/bash
#
# nginx - this script starts and stops the nginx daemin
#
# chkconfig:   35 86 15 
# description:  Nginx is an HTTP(S) server, HTTP(S) reverse #               proxy and IMAP/POP3 proxy server
# processname: nginx
# config:      /home/nginx/conf/nginx.conf
# pidfile:     /home/nginx/logs/nginx.pid
# Source function library.
. /etc/rc.d/init.d/functions
# Source networking configuration.
. /etc/sysconfig/network
# Check that networking is up.
[ $NETWORKING = no ] && exit 0
nginx=/home/nginx/sbin/nginx
prog=$(basename $nginx)
NGINX_CONF_FILE=/home/nginx/conf/nginx.conf
lockfile=/var/lock/subsys/nginx
start() {
    [ -x $nginx ] || exit 5
    [ -f $NGINX_CONF_FILE ] || exit 6
    echo -n $Starting $prog: 
    daemon $nginx -c $NGINX_CONF_FILE
    retval=$?
    echo
    [ $retval -eq 0 ] && touch $lockfile
    return $retval
}
stop() {
    echo -n $Stopping $prog: 
    killproc $prog -QUIT
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}
restart() {
    configtest || return $?
    stop
    start
}
reload() {
    configtest || return $?
    echo -n $Reloading $prog: 
    killproc $nginx -HUP
    RETVAL=$\?
    echo
}
force_reload() {
    restart
}
configtest() {
  $nginx -t -c $NGINX_CONF_FILE
}
rh_status() {
    status $prog
}
rh_status_q() {
    rh_status >/dev/null 2>&1
}
case $1 in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart|configtest)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
            ;;
    *)
        echo $Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}
        exit 2
esac

(5.nginx配置文件

[root@node1 files]# cat nginx.conf
user  {{ nginx_user }};
worker_processes  {{grains.num_cpus}};
pid        logs/nginx.pid;
worker_rlimit_nofile 204800;
events {
    use epoll;
    worker_connections  65535;
}
http {
    include       mime.types;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for" "$host"';
    include /usr/local/nginx/conf/conf.d/*.conf; 
    default_type  application/octet-stream;
    server_names_hash_bucket_size 128;
    client_header_buffer_size 32k;
    large_client_header_buffers 4 32k;  
    client_max_body_size 300m;
    sendfile on;  
    tcp_nopush     on;
    keepalive_timeout 60;
    tcp_nodelay on;
    server_tokens off;  
    fastcgi_connect_timeout 300;   
    fastcgi_send_timeout 300;  
    fastcgi_read_timeout 300; 
    fastcgi_buffer_size 64k;   
    fastcgi_buffers 4 64k;
    fastcgi_busy_buffers_size 128k;
    fastcgi_temp_file_write_size 128k;
    fastcgi_cache_path /usr/local/nginx/fastcgi_cache levels=1:2 keys_zone=TEST:10m inactive=5m; 
    fastcgi_cache_key $request_method://$host$request_uri;
    fastcgi_cache TEST;
    fastcgi_cache_valid 200 302 1h;
    fastcgi_cache_valid 301 1d;
    fastcgi_cache_valid any 1m;  
    gzip on;
    gzip_min_length  1k;
    gzip_buffers     4 16k;
    gzip_http_version 1.1;   
    gzip_comp_level 2;
    gzip_types       text/plain application/x-javascript text/css application/xml;   
    gzip_vary on;   
    limit_req_log_level warn;
    limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;
}

(6.nginx日志切割脚本文件 [此脚本来自网络为测试]

[root@node1 files]# cat nginx_log_cut.sh  
#!/bin/bash
logs_path=/home/nginx/logs
yesterday=`date -d "yesterday" +%F`
mkdir -p $logs_path/$yesterday
cd $logs_path
for nginx_logs in `ls *log` ;
do
mv $nginx_logs ${yesterday}/${yesterday}-${nginx_logs}
kill -USR1  `cat /home/nginx/logs/nginx.pid`
done

2.运行,查看效果

#刷新缓存
[root@node1 files]# salt 'node2' saltutil.refresh_pillar
#运行
[root@node1 files]# salt 'node2' state.highstate

[root@node1 files]# salt 'node2' cmd.run 'netstat -antup |grep 80' 
node2:
    tcp        0      0 0.0.0.0:80                  0.0.0.0:*                   LISTEN      1668/nginx

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