Further understanding of Saltstack (Basic use)

When executing a command, forget the syntax, you can use the Sys.doc module to query the Salt module related usage.

# salt ' * ' Sys.doc disk

1, when executing the command, find Minion Target (targeting) commonly used in three ways:

Salt ' shell regular ' command example: # Salt ' host* ' cmd.run ' df-h ' #我们主机ID是host加数字的salt –E ' perl regular ' command #--pcre, no Perl language, no example of SA Lt–n Group Command #--nodegroup, the premise is already good group example: # salt-n Web cmd.run ' df-h ' salt–l ' host1,host2 ' command #--list Example: # salt-l ' host1,host2 ' cmd.run ' df-h ' salt–g ' os.ubuntu ' command #--grains

What is grains?

Grains is the minion when the server System Information acquisition, such as hard disk, CPU, memory, network card and other static data.

Grains Related commands:

List Grains related modules

# salt ' * ' grains.ls

List grains static data collected by Minion

# salt ' * ' Grains.items

List A grains information

# salt ' * ' Grains.item OS

Have a preliminary understanding of grains, now will use SALT–G command!

# salt-g ' OS. Ubuntu ' test.ping

2, Nodegroup (Minion Group)

# Vi/etc/salt/master #不用重启salt服务, modified to take effect nodegroups:web: ' host1 ' db: ' Host2 ' #测试分组后效果 # salt-n DB test.pinghost2:t Rue # Salt-n Web Test.pinghost1:True

3. State (status Management)

To enable the configuration management feature, first set up the managed side to allow Minion to accept the primary null management command as root:

# Vi/etc/salt/minionuser:root Open the main terminal configuration management function: # vi/etc/salt/masterfile_roots:base:-/srv/salt/#默认存放管理指令 and file location

Manually creating directories and default portal profiles (TOP.SLS)

# mkdir /srv/salt# vi /srv/salt/top.sls    #使用YAML语言格式定义base:                    #默认的起点配置   ' * ':                    #匹配所有在线minion, specify group directly write group name- web.httpd       #web是默认/srv/salt under Directory, HTTP is the state file name, with SLS end # vi /srv/salt/web/httpd.sls                #创建目录或文件名根据自己情况定义httpd:                  #说明  pkg:                 #包管理     -name: apache2                 #包名称- installed            #包的状态, uninstall is removed 

Note: Indentation is 2 spaces, a colon back door a space

# salt  ' * '  state.highstate          # Execute state command host1:----------         ID: httpd    Function: pkg.installed       Name: apache2      result: true    comment: the following packages  were installed/updated: apache2.    Started: 11:30:40.994840    Duration: 103211.119 ms    Changes:                                 omitted ..... Summary------------succeeded: 1  (changed=1) failed:   0------------total states  run:     1host2:----------         id: httpd   function: pkg.installed        Name: apache2     result: true    comment: the  following packages were installed/updated: apache2.    started:  11:30:41.458100   Duration: 122426.802 ms    Changes:                     omitted ..... Summary------------succeeded: 1  (changed=1) failed:   0------------total states  run:     1

apache is installed and started, then pushes the modified profile to Minion (Apache server), config file modified, location in/srv/salt/web/ httpd.conf, modify the content to add a virtual host and add the file distribution information to the HTTPD.SLS.

# vi httpd.sls           httpd: pkg:     -name: apache2    -installed service:   - name: apache2         #服务脚本名    -running                #运行状态    -reload:  true      #如watch监控项发生变化, reload the configuration    -watch:                 #监控文件变化     - file:  /etc/apache2/httpd.conf/etc/apache2/httpd.conf:        # Distribute to minion locations  file.managed:                  #文件管理操作     -source: salt://web/httpd.conf                  #修改好的配置文件位置     -user: root     -group: root    -mode: 644    -backup: minion

At this point, check the Minion server Apache configuration file for updates:

# salt ' * ' cmd.run ' cat/etc/apache2/httpd.conf '

This article is from the "Penguin" blog, please be sure to keep this source http://lizhenliang.blog.51cto.com/7876557/1638581

Further understanding of Saltstack (Basic use)