saltsatck-grains
grains时saltstack组件中非常重要的组件之一，grains时saltstack记录minion的一些静态信息的组件，我们可以理解未grains记录着每台minion的一些常用属性，譬如cpu，内存，磁盘，网络信息等。1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
# salt 'slave' grains.ls //查看grains记录的信息
slave:
- SSDs
- biosreleasedate
- biosversion
- cab_u
- cabinet
- cpu_flags
- cpu_model
- cpuarch
- deployment
- domain
- fqdn
- fqdn_ip4
- fqdn_ip6
- gpus
- host
- hwaddr_interfaces
- id
- init
- ip4_interfaces
- ip6_interfaces
- ip_interfaces
- ipv4
- ipv6
- kernel
- kernelrelease
- locale_info
- localhost
- lsb_distrib_codename
- lsb_distrib_id
- lsb_distrib_release
- machine_id
- manufacturer
- master
- mdadm
- mem_total
- myname
- nodename
- num_cpus
- num_gpus
- os
- os_family
- osarch
- oscodename
- osfinger
- osfullname
- osmajorrelease
- osrelease
- osrelease_info
- path
- productname
- ps
- pythonexecutable
- pythonpath
- pythonversion
- role
- roles
- saltpath
- saltversion
- saltversioninfo
- selinux
- serialnumber
- server_id
- shell
- virtual
- web
- zmqversion
若查看grains记录的具体的值：
# salt 'slave' grains.items
slave:
----------
SSDs:
biosreleasedate:
07/31/2013
..........
biosversion:
Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz
cpuarch:
i686
deployment:
datacenter4
domain:
fq
VMware, Inc.
num_gpus:
1
os:
CentOS
os_family:
RedHat
在实际的应用中，我们可以根据自己的需求定制一些grains，可采用如下的方法：
1：通过minion的设置定义；
这种方法就是修改minion的配置文件，把配置文件“default_include: minion.d/*.conf”前的注释去掉，然后在默认的目录中写入grains脚本。
1
2
3
4
5
6
7
8
# cat /etc/salt/minion.d/grains.conf
grains:
roles:
- webserver
- memcache
deployment: datacenter4
cabinet: 13
cab_u: 14-15
然后在master上运行一下：
1
2
3
4
5
6
7
8
9
10
11
# salt 'slave' grains.item roles
slave:
----------
roles:
- webserver
- memcache
# salt 'slave' grains.item deployment
slave:
----------
deployment:
datacenter4
页:
[1]