python自动化之Ansible的安装教程

[root@localhost dev]# yum install ansible -y

## green.example.com## blue.example.com192.168.0.101192.168.0.102[webservers]## alpha.example.org## beta.example.org192.168.0.101192.168.0.102

[root@localhost ansible]# ansible 192.168.0.101 -m ping -kSSH password:192.168.0.101 | SUCCESS => {  "changed": false,  "ping": "pong"}[root@localhost ansible]# ansible webservers -m ping -kSSH password:192.168.0.102 | FAILED! => {  "msg": "Using a SSH password instead of a key is not possible because Host Key checking is enabled and sshpass does not support this. Please add this host's fingerprint to your known_hosts file to manage this host."}192.168.0.101 | SUCCESS => {  "changed": false,  "ping": "pong"}

[root@localhost home]# ssh-keygen -t rsaGenerating 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)? yEnter 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:SHA256:9/pGNxnQVWAWpss7PYtJcUDyHsCexgYY6NGWy/oOhTg root@localhost.localdomainThe key's randomart image is:+---[RSA 2048]----+|   o.+ .o ..*++||  o = . .=.=. ||  . + . + .=.  ||  ...o  *o +. || E ... So. = .o ||  ...  . ..=+ ||  ..   .=.o. ||   ..  o.+ o ||   ..  .o+ . |+----[SHA256]-----+

[root@localhost ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub root@192.168.0.102/usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub"/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keysKernel /r on an /mroot@192.168.0.102's password:Number of key(s) added: 1Now try logging into the machine, with:  "ssh 'root@192.168.0.102'"and check to make sure that only the key(s) you wanted were added.