clustershell

https://clustershell.readthedocs.io/en/latest/tools/index.html

clush nodeset

clustershell安装

yum --enablerepo=extras install epel-release
yum install clustershell python2-clustershell

ClusterShell的Python 3子软件包(非必须)

yum install python34-clustershell

clustershell配置

mkdir /root/.config
cp -a /etc/clustershell /root/.config/

[root@xxx ~]# pwd
/root
[root@xxx ~]# tree .config/
.config/
└── clustershell
    ├── clush.conf
    ├── groups.conf
    ├── groups.conf.d
    │   ├── genders.conf.example
    │   ├── README
    │   └── slurm.conf.example
    ├── groups.d
    │   ├── cluster.yaml
    │   ├── local.cfg
    │   └── README
    └── topology.conf.example

vim /root/.config/clustershell/groups.conf

confdir: /root/.config/clustershell/groups.conf.d $CFGDIR/groups.conf.d

autodir: /root/.config/clustershell/groups.d $CFGDIR/groups.d

vim /root/.config/clustershell/groups.d/cluster.yaml

xxx:
  all.all.all: '172.17.0.[2,5-6,9,12,15]'
  a: '
172.17.0.[2,5,9,12]
'
  a.b: '
172.17.0.2
172.17.0.9
172.17.0.12
'
  a.d: '
172.17.0.2
172.17.0.5
172.17.0.12
'

说明：

all.all.all  a  a.b  a.d 都是自定义

nodeset

查看所有的组

nodeset -LL

查看组下面所有的机器ip

nodeset -e @组名

clush

执行命令

clush -g 组名 "echo ok"
clush -g 组名 "echo 'rd*PHy8K9BcE' |passwd --stdin dev"

clush --hostfile ssh_err.iplist "echo ok"

clush -w 10.127.21.16 "echo ok"

本地拷贝文件到远程节点上

clush -w ops-server4 --copy test.file --dest /root/

将所有节点的/etc/passwd文件拷贝到本机的/tmp目录下

clush -a --rcopy /etc/passwd --dest=/tmp