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這篇文章給大家介紹集群管理工具ansible常用命令有哪些，內容非常詳細，感興趣的小伙伴們可以參考借鑒，希望對大家能有所幫助。
集群管理工具ansible常用命令
使用ansible過程如下：
主控端：安裝ansible
# install the epel-release RPM if needed on CentOS, RHEL, or Scientific Linux
[root@tidb01 ~]# yum install epel-release [root@tidb01 ~]# yum -y install ansible [root@tidb01 ~]# ansible --version
ansible 2.9.10 config file = /etc/ansible/ansible.cfg configured module search path = [u'/root/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules'] ansible python module location = /usr/lib/python2.7/site-packages/ansible executable location = /usr/bin/ansible python version = 2.7.5 (default, Apr 11 2018, 07:36:10) [GCC 4.8.5 20150623 (Red Hat 4.8.5-28)]
配置hosts，添加被管控的主機
[root@tidb01 ~]# cat /etc/ansible/hosts
[servers] 192.168.30.101 192.168.30.102 #192.168.30.103 #192.168.30.104 192.168.30.105 #192.168.30.106
生成密鑰
[root@tidb01 ~]# ssh-keygen
使用ssh-copy-id命令來復制ansible公鑰到各個節點
[root@tidb01 ~]# ssh-copy-id root@192.168.30.101 [root@tidb01 ~]# ssh-copy-id root@192.168.30.102 [root@tidb01 ~]# ssh-copy-id root@192.168.30.105
執行ping命令
[root@tidb01 ~]# ansible servers -m ping #或：[root@tidb01 ~]# ansible servers -i /etc/ansible/hosts -m ping #或：[root@tidb01 ~]# ansible -m ping servers #或：[root@tidb01 ~]# ansible -m ping all
192.168.30.102 | SUCCESS => {
"ansible_facts": {
"discovered_interpreter_python": "/usr/bin/python"
},
"changed": false,
"ping": "pong"
}
192.168.30.105 | SUCCESS => {
"ansible_facts": {
"discovered_interpreter_python": "/usr/bin/python"
},
"changed": false,
"ping": "pong"
}
192.168.30.101 | SUCCESS => {
"ansible_facts": {
"discovered_interpreter_python": "/usr/bin/python"
},
"changed": false,
"ping": "pong"
}指定用戶，執行ping命令
[root@tidb01 ~]# ssh-copy-id chen@192.168.30.101 [root@tidb01 ~]# ssh-copy-id chen@192.168.30.102 [root@tidb01 ~]# ssh-copy-id chen@192.168.30.105 [root@tidb01 ~]# ansible all -m ping -u chen
192.168.30.105 | SUCCESS => {
"ansible_facts": {
"discovered_interpreter_python": "/usr/bin/python"
},
"changed": false,
"ping": "pong"
}
192.168.30.102 | SUCCESS => {
"ansible_facts": {
"discovered_interpreter_python": "/usr/bin/python"
},
"changed": false,
"ping": "pong"
}
192.168.30.101 | SUCCESS => {
"ansible_facts": {
"discovered_interpreter_python": "/usr/bin/python"
},
"changed": false,
"ping": "pong"
}執行命令echo hello
[root@tidb01 ~]# ansible -a "echo hello" servers 192.168.30.105 | CHANGED | rc=0 >> hello 192.168.30.101 | CHANGED | rc=0 >> hello 192.168.30.102 | CHANGED | rc=0 >> hello
執行命令date -R
[root@tidb01 ~]# ansible -m command -a "date -R" servers 192.168.30.102 | CHANGED | rc=0 >> Sun, 28 Jun 2020 09:15:55 +0800 192.168.30.105 | CHANGED | rc=0 >> Sun, 28 Jun 2020 09:15:54 +0800 192.168.30.101 | CHANGED | rc=0 >> Sun, 28 Jun 2020 09:15:56 +0800
執行命令uptime
[root@tidb01 ~]# ansible -m command -a "uptime" servers 192.168.30.102 | CHANGED | rc=0 >> 09:17:21 up 23 min, 2 users, load average: 0.00, 0.01, 0.05 192.168.30.105 | CHANGED | rc=0 >> 09:17:21 up 22 min, 2 users, load average: 0.24, 0.06, 0.07 192.168.30.101 | CHANGED | rc=0 >> 09:17:22 up 11 min, 2 users, load average: 0.08, 0.09, 0.07
執行命令touch /root/cjc.log
[root@tidb01 ~]# ansible -m command -a "touch /root/cjc.log" servers [WARNING]: Consider using the file module with state=touch rather than running 'touch'. If you need to use command because file is insufficient you can add 'warn: false' to this command task or set 'command_warnings=False' in ansible.cfg to get rid of this message. 192.168.30.102 | CHANGED | rc=0 >> 192.168.30.105 | CHANGED | rc=0 >> 192.168.30.101 | CHANGED | rc=0 >>
執行命令ls /root/cjc.log
[root@tidb01 ~]# ansible -m command -a "ls /root/cjc.log" servers 192.168.30.105 | CHANGED | rc=0 >> /root/cjc.log 192.168.30.102 | CHANGED | rc=0 >> /root/cjc.log 192.168.30.101 | CHANGED | rc=0 >> /root/cjc.log
執行命令getenforce
[root@tidb01 ~]# ansible -m command -a "getenforce" servers 192.168.30.102 | CHANGED | rc=0 >> Disabled 192.168.30.105 | CHANGED | rc=0 >> Disabled 192.168.30.101 | CHANGED | rc=0 >> Disabled
或：
[root@tidb01 ~]# ansible -a "getenforce" servers 192.168.30.105 | CHANGED | rc=0 >> Disabled 192.168.30.102 | CHANGED | rc=0 >> Disabled 192.168.30.101 | CHANGED | rc=0 >> Disabled
指定其中一個主機執行命令
[root@tidb01 ~]# ansible -a "getenforce" 192.168.30.101 192.168.30.101 | CHANGED | rc=0 >> Disabled
執行命令df -h
[root@tidb01 ~]# ansible -a "df -h /" servers 192.168.30.102 | CHANGED | rc=0 >> Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_cjc-lv_root 18G 7.1G 11G 40% / 192.168.30.105 | CHANGED | rc=0 >> Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_cjc-lv_root 18G 7.0G 11G 40% / 192.168.30.101 | CHANGED | rc=0 >> Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_srv-lv_root 25G 8.1G 17G 33% /
執行命令free -m
[root@tidb01 ~]# ansible -a "free -m" servers 192.168.30.105 | CHANGED | rc=0 >> total used free shared buff/cache available Mem: 974 411 116 8 446 350 Swap: 2043 0 2043 192.168.30.102 | CHANGED | rc=0 >> total used free shared buff/cache available Mem: 974 414 156 8 403 350 Swap: 2043 0 2043 192.168.30.101 | CHANGED | rc=0 >> total used free shared buff/cache available Mem: 974 413 98 8 462 367 Swap: 3071 0 3071
執行命令，查看sshd進程
[root@tidb01 ~]# ansible -m shell -a 'ps -ef|grep sshd|grep -v grep' servers 192.168.30.105 | CHANGED | rc=0 >> root 1374 1 0 08:54 ? 00:00:00 /usr/sbin/sshd -D root 2090 1374 0 08:56 ? 00:00:00 sshd: root@pts/0 root 8581 1374 0 10:38 ? 00:00:00 sshd: root@pts/1 192.168.30.102 | CHANGED | rc=0 >> root 1370 1 0 08:54 ? 00:00:00 /usr/sbin/sshd -D root 2089 1370 0 08:56 ? 00:00:00 sshd: root@pts/0 root 9041 1370 0 10:38 ? 00:00:00 sshd: root@pts/2 root 10181 1370 0 10:41 ? 00:00:00 sshd: root@pts/1 192.168.30.101 | CHANGED | rc=0 >> root 1009 1 0 09:06 ? 00:00:00 /usr/sbin/sshd -D root 1242 1009 0 09:06 ? 00:00:00 sshd: root@pts/1 root 8590 1009 0 10:38 ? 00:00:00 sshd: root@pts/2
關于集群管理工具ansible常用命令有哪些就分享到這里了，希望以上內容可以對大家有一定的幫助，可以學到更多知識。如果覺得文章不錯，可以把它分享出去讓更多的人看到。
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