Linux之自动化运维工具ansible、ansible模块（1）

[root@sc-master ~]# ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/root/.ssh/id_rsa): 
/root/.ssh/id_rsa already exists.
Overwrite (y/n)? y
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in /root/.ssh/id_rsa.
Your public key has been saved in /root/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:YgRssTONWSCv0/JgvN//oI54fJL8bTClAP4oqHjg1Ws root@sc-master
The key's randomart image is:
+---[RSA 2048]----+
|  ..+o.          |
|  .ooB           |
| . oB o          |
| ..o.+  .        |
|. Boo.ooS        |
|+..B.o+.         |
|+ooo...o.        |
|o..o*E.o..       |
| ...+==oo..      |
+----[SHA256]-----+
[root@sc-master ~]# cd /root/.ssh
[root@sc-master .ssh]# ls
authorized_keys  config  id_rsa  id_rsa.pub  known_hosts

[root@sc-master .ssh]# ssh-copy-id -p 22 -i id_rsa.pub root@192.168.2.132
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "id_rsa.pub"
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out an are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now to install the new keys
root@192.168.2.132's password: 
Number of key(s) added: 1
Now try logging into the machine, with:   "ssh -p '22' 'root@192.168.2.132'"
and check to make sure that only the key(s) you wanted were added.

[root@sc-master .ssh]# ssh -p '22' 'root@192.168.2.132'
Last login: Sat Aug 20 11:00:50 2022 from 192.168.2.116

[root@sc-slave .ssh]# ls
authorized_keys  id_rsa  id_rsa.pub  known_hosts
[root@sc-slave .ssh]# cat id_rsa.pub

[root@sc-master .ssh]# ssh-copy-id -p 22 -i id_rsa.pub root@192.168.2.137
/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "id_rsa.pub"
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out an are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now to install the new keys
root@192.168.2.137's password: 
Number of key(s) added: 1
Now try logging into the machine, with:   "ssh -p '22' 'root@192.168.2.137'"
and check to make sure that only the key(s) you wanted were added.

[root@sc-master .ssh]# ssh -p '22' 'root@192.168.2.137'
Last login: Sat Aug 20 11:01:11 2022 from 192.168.2.116
[root@nginx-kafka03 ~]# exit
登出
Connection to 192.168.2.137 closed.
[root@sc-master .ssh]# ssh -p '22' 'root@192.168.2.137'
Last login: Sat Aug 20 11:05:18 2022 from nginx-kafka01
[root@nginx-kafka03 ~]# exit
登出
Connection to 192.168.2.137 closed.

[root@a .ssh]# yum install epel-release
[root@b ansible]# yum install ansible

[root@sc-master ansible]# cp hosts hosts.bak

[root@b ansible]# cat hosts
[webser]
192.168.2.132:22    
192.168.2.137:22

[root@sc-master ansible]# ansible all -m shell -a "mkdir /tmp/sc"
[WARNING]: Consider using the file module with state=directory rather than running
'mkdir'.  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.
192.168.2.132 | CHANGED | rc=0 >>
192.168.2.137 | CHANGED | rc=0 >>

[root@sc-master ansible]# pssh -h hosts "mkdir /tmp/sc2"
[1] 11:44:55 [FAILURE] [webser] Exited with error code 255
[2] 11:44:56 [SUCCESS] 192.168.2.132:22
[3] 11:44:56 [SUCCESS] 192.168.2.137:22

[root@sc-master ansible]# ps -ef|grep ansible
root       8411   7979  0 11:47 pts/0    00:00:00 grep --color=auto ansible

[root@b lianxi]# ansible all -m copy -a "src=/lianxi/ansible-copy dest=/lianxi/ansible mode=777 owner=sanchuang group=sanchuang"

[root@b copy_dir]# ansible webser -m copy -a "src=/etc/passwd  dest=/tmp mode=777"

[root@sc-master ansible]# ansible webser -m copy -a "src=/lianxi/aa dest=/tmp/sc/aa.txt"
192.168.2.137 | CHANGED => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python"
    }, 
    "changed": true, 
    "checksum": "6dbdec21eba690a18d6fada6e33744c34d826b39", 
    "dest": "/tmp/sc/aa.txt", 
    "gid": 0, 
    "group": "root", 
    "md5sum": "dfd35885c2b6d0c25a7ba699b6ced4f7", 
    "mode": "0644", 
    "owner": "root", 
    "size": 452, 
    "src": "/root/.ansible/tmp/ansible-tmp-1660967660.93-8472-73428149734911/source", 
    "state": "file", 
    "uid": 0
}

[root@b copy_dir]# ansible all -m copy -a "src=/lianxi/copy_dir dest=/lianxi/ansible"
192.168.0.48 | CHANGED => {
    "changed": true, 
    "dest": "/lianxi/ansible/", 
    "src": "/lianxi/copy_dir"
}

[root@sc-master lianxi]# ansible all -m copy -a "src=/lianxi/myproject dest=/lianxi/ansible"

[root@sc-slave .ssh]# cd /lianxi
-bash: cd: /lianxi: 没有那个文件或目录
[root@sc-slave .ssh]# cd /
[root@sc-slave /]# cd /lianxi
-bash: cd: /lianxi: 没有那个文件或目录

[root@sc-slave /]# ls
backup  boot  dev  home    lib    media  opt   root  sbin  sys  usr
bin     data  etc  lianxi  lib64  mnt    proc  run   srv   tmp  var
[root@sc-slave /]# cd /lianxi
[root@sc-slave lianxi]# ls
ansible
[root@sc-slave lianxi]# cd ansible
[root@sc-slave ansible]# ls
myproject

[root@nginx-kafka03 /]# cd /lianxi
[root@nginx-kafka03 lianxi]# ls
aa  ansible  bb  cc  file_num.sh  lianxi  tongle  xieshan