1、下载插件放在对应的目录里即可
mcollective-client端
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[root@linuxmaster1poc ~]# mco shell
"cat /etc/passwd | grep puppet"
Do you really want to send
this
command unfiltered? (y/n): y
Discovering hosts using the mc method
for
2
second(s) ....
3
Host: linux58poc
Statuscode:
0
Output:
puppet:x:
52
:
52
:Puppet:/
var
/lib/puppet:/sbin/nologin
Host: linux64poc
Statuscode:
0
Output:
puppet:x:
52
:
52
:Puppet:/
var
/lib/puppet:/sbin/nologin
Host: linux57poc
Statuscode:
0
Output:
puppet:x:
52
:
52
:Puppet:/
var
/lib/puppet:/sbin/nologin
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mcollective-server端
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[root@linux57poc agent]# ll /usr/libexec/mcollective/mcollective/agent/ | grep shell
-rw-r--r--
1
root root
1017
Aug
6
06
:
36
shell.ddl
-rw-r--r--
1
root root
862
Aug
6
06
:
36
shell.rb
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备注：mcollective-server端部署完成之后，记得重启mcollective服务。
2、 查看shell插件是否加载成功
从下面可以看出mcollective-client端shell插件已经有了[root@linuxmaster1poc ~]# mco The Marionette Collective version 2.2.4
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usage: /usr/bin/mco command <options>
Known commands:
completion facts find
help inventory ping
plugin puppet rpc
shell #shell插件加载OK
Type
'/usr/bin/mco help'
for
a detailed list of commands and
'/usr/bin/mco help command'
to
get
detailed help
for
a command
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从下面可以看出mcollective-server端shell插件也加载了
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[root@linuxmaster1poc ~]# mco inventory linux57poc
Inventory
for
linux57poc:
Server Statistics:
Version:
2.2
.
4
Start Time: Fri Dec
13
01
:
14
:
14
+
0800
2013
Config File: /etc/mcollective/server.cfg
Collectives: mcollective
Main Collective: mcollective
Process ID:
23898
Total Messages:
10
Messages Passed Filters:
10
Messages Filtered:
0
Expired Messages:
0
Replies Sent:
9
Total Processor Time:
0.73
seconds
System Time:
0.17
seconds
Agents:
discovery puppet rpcutil
shell #shell插件加载OK
Data Plugins:
agent fstat puppet
resource
Configuration Management Classes:
No classes applied
Facts:
architecture => x86_64
augeasversion =>
0.10
.
0
bios_release_date =>
06
/
22
/
2012
bios_vendor => Phoenix Technologies LTD
bios_version =>
6.00
blockdevice_fd0_size =>
4096
blockdevice_hdc_size =>
3834736640
blockdevice_sda_model => Virtual disk
blockdevice_sda_size =>
42949672960
。。。
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3、通过shell插件执行shell命令
mco shell帮助信息
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[root@linuxmaster1poc ~]# mco shell --help
MCollective Distributed Shell
Usage: mco shell <CMD>
The CMD
is
a string
EXAMPLES:
mco shell uptime
--np, --no-progress Do not show the progress bar
-
1
, --one Send request to only one discovered nodes
--batch SIZE Do requests
in
batches
--batch-sleep SECONDS Sleep time between batches
--limit-seed NUMBER Seed value
for
deterministic random batching
--limit-nodes, --ln, --limit COUNT
Send request to only a subset of nodes, can be a percentage
-j, --json Produce JSON output
--display MODE Influence how results are displayed. One of ok, all or failed
-c, --config FILE Load configuratuion from file rather than
default
-v, --verbose Be verbose
-h, --help Display
this
screen
Common Options
-T, --target COLLECTIVE Target messages to a specific sub collective
--dt, --discovery-timeout SECONDS
Timeout
for
doing discovery
-t, --timeout SECONDS Timeout
for
calling remote agents
-q, --quiet Do not be verbose
--ttl TTL Set the message validity period
--reply-to TARGET Set a custom target
for
replies
--dm, --disc-method METHOD Which discovery method to
use
--
do
, --disc-option OPTION Options to pass to the discovery method
--nodes FILE List of nodes to address
Host Filters
-W, --
with
FILTER Combined classes and facts filter
-S, --select FILTER Compound filter combining facts and classes
-F, --wf, --
with
-fact fact=val Match hosts
with
a certain fact
-C, --wc, --
with
-
class
CLASS Match hosts
with
a certain config management
class
-A, --wa, --
with
-agent AGENT Match hosts
with
a certain agent
-I, --wi, --
with
-identity IDENT Match hosts
with
a certain configured identity
The Marionette Collective
2.2
.
4
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显示对端uptime命令负载情况
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[root@linuxmaster1poc ~]# mco shell
"uptime"
Do you really want to send
this
command unfiltered? (y/n): y
Discovering hosts using the mc method
for
2
second(s) ....
3
Host: linux58poc
Statuscode:
0
Output:
02
:
45
:
02
up
21
:
10
,
2
users, load average:
0.00
,
0.00
,
0.00
Host: linux64poc
Statuscode:
0
Output:
02
:
45
:
02
up
20
:
59
,
1
user, load average:
0.00
,
0.00
,
0.00
Host: linux57poc
Statuscode:
0
Output:
02
:
45
:
02
up
21
:
04
,
3
users, load average:
0.00
,
0.00
,
0.00
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显示所有节点/etc/password文件中puppet用户哪一行
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[root@linuxmaster1poc ~]# mco shell
"cat /etc/passwd | grep puppet"
Do you really want to send
this
command unfiltered? (y/n): y
Discovering hosts using the mc method
for
2
second(s) ....
3
Host: linux58poc
Statuscode:
0
Output:
puppet:x:
52
:
52
:Puppet:/
var
/lib/puppet:/sbin/nologin
Host: linux64poc
Statuscode:
0
Output:
puppet:x:
52
:
52
:Puppet:/
var
/lib/puppet:/sbin/nologin
Host: linux57poc
Statuscode:
0
Output:
puppet:x:
52
:
52
:Puppet:/
var
/lib/puppet:/sbin/nologin
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修改其中一台主机的root密码
备注：更多操作步骤可参考mco shell --help帮助。
警告：基于mcollective的shell插件虽然功能很强大，除了动态显示的命令之外，其它root能操作的，它基本上都能操作。所以操作也非常危险，可根据生产环境实际情况而定。
本文转自凌激冰51CTO博客，原文链接：http://blog.51cto.com/dreamfire/1340121，如需转载请自行联系原作者
