saltstack

4-saltstack(2)_Grains组件

2017-10-26  本文已影响12人  风逍H

Grains

什么是Grains

salt '192.168.184.129' grains.ls
192.168.184.129:
    - SSDs
    - biosreleasedate
    - biosversion
    - cpu_flags
    - cpu_model
    - cpuarch
    - disks
    - dns
    ……(此处省略)
salt '192.168.184.129' grains.items
192.168.184.129:
    ----------
    SSDs:
    biosreleasedate:
        07/02/2015
    biosversion:
        6.00
    cpu_flags:
        - fpu
        - vme
        - de
        ……(此处省略)
salt '192.168.184.129' grains.item os
192.168.184.129:
    ----------
    os:
        CentOS

通过minion配置文件配置

## vim /etc/salt/minion
#  #打开 default_include: minion.d/*.conf
#注意# 这步尝试过不进行,对grains.item添加无影响

## vim /etc/salt/minion.d/id.conf
grains:
    id: 4727
    user: luohaowen
## wq

/etc/init.d/salt-minion start

## master端
#执行# salt '192.168.184.129' grains.item user
192.168.184.129:
    ----------
    user:
        luohaowen
#执行# salt '192.168.184.129' grains.item id
192.168.184.129:
    ----------
    id:
        4727

通过grains模块自定义item(这样子也是写入到minion端的文件/etc/salt/grains中)

saltstack的模块就像Python中的模块(在这里更像是字典,因为他是字典格式),我们可以调用模块里的方法,对其进行操作。下面是调用grains模块的方法自定义item:

[root@localhost ~]# salt 192.168.184.129 grains.append worktype 'yunwei'
192.168.184.129:
    ----------
    worktype:
        - yunwei
[root@localhost ~]# salt 192.168.184.129 grains.item worktype
192.168.184.129:
    ----------
    worktype:
        - yunwei
[root@localhost ~]# salt 192.168.184.129 grains.setvals "{'id':'4727','department':'huoshanhu'}"
192.168.184.129:
    ----------
    department:
        huoshanhu
    id:
        4727
[root@localhost ~]# salt 192.168.184.129 grains.item id
192.168.184.129:
    ----------
    id:
        4727
[root@localhost ~]# salt 192.168.184.129 grains.item department
192.168.184.129:
    ----------
    department:
        huoshanhu

这样的配置会在minion主机端生成配置文件grains:

[root@localhost ~]# cat /etc/salt/grains 
department: huoshanhu
id: '4727'
worktype:
- yunwei

==这里可以实验下上面两种方法,如果都定义了同一个自定义item会如何?(/etc/salt/minion.d/*.conf优先)==

通过自定义Python脚本来自定义item

mkdir /srv/salt/_grains -p && cd /srv/salt/_grains/
## vim date_time.py
#!/usr/bin/env python
## 如果不是Python3需要指定utf-8编码
from datetime import datetime
def get_server_time():
    grains = {}
    grains['server_time'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
    return grains
## wq

## 推送到minion端
[root@localhost ~]# salt 192.168.184.129 saltutil.sync_grains
192.168.184.129:
    - grains.date_time

## master端执行
[root@localhost ~]# salt 192.168.184.129 grains.item server_time
192.168.184.129:
    ----------
    server_time:
        2017-09-19 07:53:44
上一篇 下一篇

猜你喜欢

热点阅读