Ansible Modules

Copy
Command
Ansible-doc

setup module : This module is automatically called by the playbooks to gather useful variables about remote hosts that can be used on playbooks .
it can also be executed directly by /usr/bin/ansible to check what variables are available to the host.

ansible centos1 -m setup

ansible centos1 -m setup | more

File Module

This allows you to used for files, symlinks links and directory manupulation

ansible all -m file -a 'path=/tmp/test.txt state=touch' 

ansible all -m file -a 'path=/tmp/test.txt state=touch mode=600' 

COPY Module

touch /temp/x

ansible all -m copy -a 'src=tmp/x dest=/tmp/x'

we can also use copy to copy files from the remote to the remote

ansible all -m copy -a 'remote_src=yes src=/temp/x dest=/temp/x'

COMMAND Module

ansible all -m command -a 'hostname' -o

command module is the default modules in ansible commands the same command can be achieved with mentioning it is command - because it the default command

ansible all -a 'hostname' -o

ansible all -m command -a 'id'   // unix command of id

or 

ansible all -a 'id'

features of the command module it creates and removes variable

ansible all -a 'touch /tmp/test_copy_module creates=/tmp/test_copy_module'

creates=/tmp/test_copy_module' This command tells it what is it creating and it this run again it identifies that the file already exist and skips the action.

For removing

ansible all -a 'rm /tmp/test_copy_module removes= /tmp/test_copy_module'

ansible all -m file -a '/tmp/ansible_modules.txt state=touch mode=600'

Fetching

ansible centos1 -m fetch -a 'src=/tmp/ansible_module.txt dest=/tmp/ansible_module.txt'

ansible-doc file  -- online docs