[Ansible] ad-hoc 명령어 - CentOS 7.x
Ansible 설치
Ansible 설치를 진행하지 않았다면 " Ansible(앤서블) Install - CentOS 7.x " 포스팅을 참조하여 Ansible을 설치하시면 됩니다.
Ansible에는 두가지의 작업방법이 있습니다.
첫번째로는 명령어를 통해 작업하는 Ad-hoc 방법이 있으며, 두번째로는 사전에 작업할 내용을 명시하여 playbook을 통한 작업이 있습니다.
이번 포스팅은 Ansible 명령어를 통해 작업을 하는 Ad-hoc 방법을 알아보도록 하겠습니다.
Ansible ad-hoc을 통한 시스템 정보 확인
[ Hosts의 Uptime 확인 ]
ansible all -m shell -a "uptime" -k
[root@Ansible-Master ~]# ansible all -m shell -a "uptime" -k SSH password: 192.168.0.208 | SUCCESS | rc=0 >> 17:25:04 up 26 min, 1 user, load average: 0.00, 0.01, 0.02 192.168.0.206 | SUCCESS | rc=0 >> 17:25:04 up 28 min, 1 user, load average: 0.00, 0.01, 0.02 192.168.0.207 | SUCCESS | rc=0 >> 17:25:04 up 27 min, 1 user, load average: 0.00, 0.01, 0.04 |
[ Hosts의 메모리 확인 ]
ansible all -m shell -a "free -h" -k
[root@Ansible-Master ~]# ansible all -m shell -a "free -h" -k SSH password: 192.168.0.207 | SUCCESS | rc=0 >> total used free shared buff/cache available Mem: 487M 73M 277M 4.5M 136M 375M Swap: 1.5G 0B 1.5G 192.168.0.208 | SUCCESS | rc=0 >> total used free shared buff/cache available Mem: 487M 73M 276M 4.5M 137M 375M Swap: 1.5G 0B 1.5G 192.168.0.206 | SUCCESS | rc=0 >> total used free shared buff/cache available Mem: 487M 73M 276M 4.5M 137M 375M Swap: 1.5G 0B 1.5G |
[ Hosts의 디스크 용량 확인 ]
ansible all -m shell -a "df -h" -k
[root@Ansible-Master ~]# ansible all -m shell -a "df -h" -k SSH password: 192.168.0.207 | SUCCESS | rc=0 >> Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 38G 675M 37G 2% / devtmpfs 235M 0 235M 0% /dev tmpfs 244M 0 244M 0% /dev/shm tmpfs 244M 4.6M 240M 2% /run tmpfs 244M 0 244M 0% /sys/fs/cgroup /dev/sda2 1014M 63M 952M 7% /boot tmpfs 49M 0 49M 0% /run/user/0 192.168.0.206 | SUCCESS | rc=0 >> Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 38G 675M 37G 2% / devtmpfs 235M 0 235M 0% /dev tmpfs 244M 0 244M 0% /dev/shm tmpfs 244M 4.6M 240M 2% /run tmpfs 244M 0 244M 0% /sys/fs/cgroup /dev/sda2 1014M 63M 952M 7% /boot tmpfs 49M 0 49M 0% /run/user/0 192.168.0.208 | SUCCESS | rc=0 >> Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 38G 675M 37G 2% / devtmpfs 235M 0 235M 0% /dev tmpfs 244M 0 244M 0% /dev/shm tmpfs 244M 4.6M 240M 2% /run tmpfs 244M 0 244M 0% /sys/fs/cgroup /dev/sda2 1014M 63M 952M 7% /boot tmpfs 49M 0 49M 0% /run/user/0 |
Ansible ad-hoc을 통한 파일 전송하기
[ Hosts에 파일 전송하기 ]
ansible all -m copy -a "src=./test.txt dest=./test.txt" -k
[root@Ansible-Master /]# ansible all -m copy -a "src=./test.txt dest=./test.txt" -k SSH password: 192.168.0.206 | SUCCESS => { "changed": true, "checksum": "da39a3ee5e6b4b0d3255bfef95601890afd80709", "dest": "./test.txt", "gid": 0, "group": "root", "md5sum": "d41d8cd98f00b204e9800998ecf8427e", "mode": "0644", "owner": "root", "secontext": "unconfined_u:object_r:admin_home_t:s0", "size": 0, "src": "/root/.ansible/tmp/ansible-tmp-1533576752.86-97284736609756/source", "state": "file", "uid": 0 } 192.168.0.207 | SUCCESS => { "changed": true, "checksum": "da39a3ee5e6b4b0d3255bfef95601890afd80709", "dest": "./test.txt", "gid": 0, "group": "root", "md5sum": "d41d8cd98f00b204e9800998ecf8427e", "mode": "0644", "owner": "root", "secontext": "unconfined_u:object_r:admin_home_t:s0", "size": 0, "src": "/root/.ansible/tmp/ansible-tmp-1533576752.87-259136038018515/source", "state": "file", "uid": 0 } 192.168.0.208 | SUCCESS => { "changed": true, "checksum": "da39a3ee5e6b4b0d3255bfef95601890afd80709", "dest": "./test.txt", "gid": 0, "group": "root", "md5sum": "d41d8cd98f00b204e9800998ecf8427e", "mode": "0644", "owner": "root", "secontext": "unconfined_u:object_r:admin_home_t:s0", "size": 0, "src": "/root/.ansible/tmp/ansible-tmp-1533576752.88-164961029053171/source", "state": "file", "uid": 0 } |
Ansible ad-hoc을 통한 서비스 설치하기
[ Hosts에 서비스 설치하기 ]
ansible all -m yum -a "name=nginx state=present" -k
[root@Ansible-Master /]# ansible all -m yum -a "name=httpd state=present" -k SSH password: 192.168.0.206 | SUCCESS => { "changed": true, "msg": "warning: /var/cache/yum/x86_64/7/base/packages/apr-1.4.8-3.el7...", "rc": 0, "results": [ "Loaded plugins: fastestmirror\nLoading mirror speeds from cached ..." ] } 192.168.0.208 | SUCCESS => { "changed": true, "msg": "warning: /var/cache/yum/x86_64/7/base/packages/apr-1.4.8-3.el7...", "rc": 0, "results": [ "Loaded plugins: fastestmirror\nLoading mirror speeds from cached ..." ] } 192.168.0.207 | SUCCESS => { "changed": true, "msg": "warning: /var/cache/yum/x86_64/7/base/packages/apr-1.4.8-3.el7...", "rc": 0, "results": [ "Loaded plugins: fastestmirror\nLoading mirror speeds from cached ..." ] } |
[ Hosts에 서비스 설치된 서비스 확인하기 ]
ansible all -m rpm -a "rpm -qa | grep httpd" -k
[root@Ansible-Master /]# ansible all -m shell -a "rpm -qa | grep httpd" -k SSH password: 192.168.0.208 | SUCCESS | rc=0 >> httpd-tools-2.4.6-80.el7.centos.1.x86_64 httpd-2.4.6-80.el7.centos.1.x86_64 192.168.0.206 | SUCCESS | rc=0 >> httpd-tools-2.4.6-80.el7.centos.1.x86_64 httpd-2.4.6-80.el7.centos.1.x86_64 192.168.0.207 | SUCCESS | rc=0 >> httpd-tools-2.4.6-80.el7.centos.1.x86_64 httpd-2.4.6-80.el7.centos.1.x86_64 |
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