SaltStack学习系列之自定义grains

vim /etc/salt/master

file_roots:
  base:
    - /srv/salt/

cd /srv/salt
mkdir _grains
cd _grains

cat disk.py
import os
def disk():
    grains = {}
    disk  = os.popen(‘fdisk -l |grep \‘Disk\‘ |grep -v \‘VolGroup\‘ | grep -v \‘label\‘ |awk -F , \‘{print $1}\‘ | sed \‘s/Disk identifier.*//g\‘ |sed \‘s/Disk //g\‘ | sed \‘/^$/d\‘‘).read()
    disk = str(disk)
    #disk = disk.split(‘:‘)
    grains[‘disk‘]  = disk
    return grains

 salt ‘*‘ grains.items

[root@172-16-1-226 _grains]# salt ‘*‘ grains.item disk
172-16-1-225:
    ----------
    disk:
        /dev/vda: 107.4 GB
172-16-1-213:
    ----------
    disk:
        /dev/vda: 107.4 GB
172-16-1-226:
    ----------
    disk:
        /dev/vda: 107.4 GB