Ansible Simple Application

ansiblebased onPythonDevelopment, the collection of many operations and maintenance toolsthe advantages of the implementation of batch system configuration, batch program deployment, batch Run command and other functions, it realizes configuration management, application deployment, task execution and other functions through SSH, so it is necessary to configure the Ansible side to contact each managed node based on key authentication in advance.

Command format: Ansible

Host-pattern # The address of the destination host, typically the group name in the configuration file

-M module # specifying the application's modules

-a args # Specify parameters for the module

-F #一批并行发出多少请求

Installation:

[email protected] ~]# Yum install ansible

Configuration file:

[Email protected] ansible]# vim/etc/ansible/hosts [frontend][email protected] ansible_ssh_host=marvin.com Ansible_ Ssh_port=6789[email protected] ansible_ssh_host=sherry.com ansible_ssh_port=6789

Test Ping:

[Email protected] ansible]# ansible frontend-m ping[email protected] | SUCCESS = {"Changed": false, "ping": "Pong"}[email protected] | SUCCESS = {"Changed": false, "ping": "Pong"}

Note:The SSH-based authentication mode Ansible only recognizes the public key authorized_keys hereso if you want to operate on this machineWrite your own public key toAuthorized_keysin

List modules:ansible-doc-l

View module: Ansible-doc-s moudle

Here are a few simple command implementations:

Copy: If the directory must have an absolute path, it can be replicated recursively

[[email protected] ansible]# ansible frontend -m copy -a  ' src=/etc/ Hosts dest=/etc/hosts ' [[email protected] ansible]# ansible frontend -m  command -a  ' cat /etc/hosts ' [email protected] | success | rc=0  >>127.0.0.1   localhost localhost.localdomain localhost4  localhost4.localdomain4::1         localhost  localhost.localdomain localhost6 localhost6.localdomain6192.168.1.220 marvin  marvin.com192.168.1.221 sherry sherry.comroot[email protected] | success |  rc=0 >>127.0.0.1   localhost localhost.localdomain localhost4  localhost4.localdomain4::1         localhost  Localhost.localdomain localhost6 localhost6.localdomain6192.168.1.220 maRvin marvin.com192.168.1.221 sherry sherry.com 

crontab Edit Update Time:

[[email protected] ansible]# ansible others -m cron -a  ' name= ' update  time " minute=*/3 hour=* month=* weekday=* job="/usr/sbin/ntpdate marvin  &> /dev/null "' [[email protected] ansible]# ansible others -m  command -a  ' Crontab -l ' [email protected] | success | rc=0 > > #Ansible: update time*/3 * * * * /usr/sbin/ntpdate marvin  &> /dev/null[email protected] | SUCCESS | rc=0 >> #Ansible:  update time*/3 * * * * /usr/sbin/ntpdate marvin &> / Dev/null[email protected] | success | rc=0 >> #Ansible: update  Time*/3 * * * * /usr/sbin/ntpdate marvin &> /dev/null[[email  protected] ansible]# ansible servers -m command -a  ' Date ' [email protected] | success  | rc=0 >>thu may 19 20:19:36 cst 2016[email protected]  | success | rc=0 >>thu may 19 20:19:36 cst 2016[email  protected] | success | rc=0 >>thu may 19 20:19:36 cst  2016[email protected] | SUCCESS | rc=0 >>Thu May 19  20:19:36 cst 2016

group add:

[[email protected] nginx-1.6.3]# ansible frontend  -m group -a  ' Gid=304 system=yes name=nginx ' [email protected] |  success => {     "changed": true,      "GID":  304,      "name":  "Nginx",      "state":  " Present ",     " system ":  true}[email protected] | success = > {     "changed": true,      "GID": 304,       "name":  "Nginx",      "state":  "Present",       "System":  true}[[email protected] nginx-1.6.3]# tail /etc/ groupnginx:x:304: 

Add Users:

[Email protected] home]# ansible frontend-m user-a ' uid=304 system=yes group=nginx createhome=no shell=/sbin/nologin N Ame=nginx '

To delete a user:

[Email protected] home]# ansible frontend-m user-a ' uid=304 state=absent name=nginx remove=yes '

Yum

[Email protected] nginx-1.6.3]# ansible frontend-m yum-a ' Name=openssl-devel state=present '

Ansible Simple Application