什么情况下才使用salt-ssh，有一些比较老的红帽服务器，也有一些不方便安装salt-minion客户端。总会有一些服务器比较难安装上salt-minion的。
好了，下面来说说简单配置
默认使用roster配置文件
vim /etc/salt/roster
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# Sample salt-ssh config file
#web1:
# host: 192.168.42.1 # The IP addr or DNS hostname
# user: fred # Remote executions will be executed as user fred
# passwd: foobarbaz # The password to use for login, if omitted, keys are used
# sudo: True # Whether to sudo to root, not enabled by default
#web2:
# host: 192.168.42.2
hdd:
//ID
名字可以随便定义
host: 10.0.0.221
user: hdd
passwd
: 66666
sudo
: Ture
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已经完成配置！下面直接使用salt-ssh
第一次运行没有添加-i，未能如期运行。
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root@salt-master ~]
# salt-ssh "*" -r 'free -m'
hdd:
----------
retcode:
254
stderr:
stdout:
The host key needs to be accepted, to auto accept run salt-
ssh
with the -i flag:
The authenticity of host
'10.0.0.221 (10.0.0.221)'
can't be established.
ECDSA key fingerprint is b9:36:f5:d8:3a:88:94:93:43:78:8e:cb:43:78:8e:cb.
Are you sure you want to
continue
connecting (
yes
/no
)?
[root@salt-master ~]
#
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添加-i参数继续执行命令
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[root@salt-master ~]
# salt-ssh "*" -r 'free -m' -i
hdd:
----------
retcode:
0
stderr:
Warning: Permanently added
'10.0.0.221'
(ECDSA) to the list of known hosts.
stdout:
hdd@10.0.0.221's password:
total used
free
shared buffers cached
Mem: 7856 6698 1157 18 317 4298
-/+ buffers
/cache
: 2082 5773
Swap: 8061 0 8061
[root@salt-master ~]
#
[root@salt-master ~]
# salt-ssh "hdd" -r 'df -h'
hdd:
----------
retcode:
0
stderr:
stdout:
Filesystem Size Used Avail Use% Mounted on
udev 3.9G 4.0K 3.9G 1%
/dev
tmpfs 786M 1.5M 785M 1%
/run
/dev/sda1
910G 454G 410G 53% /
none 4.0K 0 4.0K 0%
/sys/fs/cgroup
none 5.0M 0 5.0M 0%
/run/lock
none 3.9G 84K 3.9G 1%
/run/shm
none 100M 12K 100M 1%
/run/user
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但是我有一个问题，保存的密钥放在哪里呢？暂时我未有发现。
本文转自 yanconggod 51CTO博客，原文链接:http://blog.51cto.com/yanconggod/1876147
