karellen-kim/training-ansible

ansible 학습

Shell

Ansible

Install

brew install ansible # for Mac
sudo yum install ansible # for CentOS
sudo apt-get ansible # Ubuntu

Quick Start

ansible localhost -m ping
ansible all -i host/front -m ping
ansible all -i host/front -l first -m ping
ansible all -i host/front -l first,second -m ping
ansible all -i host/front -l first -a "echo hello"
ansible all -i host/front -l first -m shell -a "grep sth /mydir/logs/application.log"
Host Key 체크하지 않도록 설정

// vi ansible.cfg
[defaults]
host_key_checking = False

Option

-i : Inventory
-l : Subset
-m : Module
-a : Arguments

Inventory

INI

[agroup]
test1.com

[bgroup]
test[2:5].com
test[a:c].com ansible_connection=ssh ansible_user=someone http_port=80 maxRequestsPerChild=808

[bgroup:vars]
ntp_server=ntp.atlanta.example.com
proxy=proxy.atlanta.example.com

YAML

all:
  hosts:
    mail.example.com:
  children:
    webservers:
      hosts:
        foo.example.com:
        bar.example.com:
    dbservers:
      hosts:
        one.example.com:
        two.example.com:
        three.example.com:

Playbook

Simple

- name : Quick Start
  hosts : all
  tasks :
    - name : Make temporary directory
      shell : "mkdir -p /home/deploy/tmp"

ansible-playbook playbooks/simple.yml -i host/front ansible-playbook playbooks/simple.yml -i host/front -l first

Copy files

- name : Files
  hosts : all
  tasks :
  - name : Make files
    copy :
      content : 'some content'
      dest : /home/deploy/tmp/content.txt
  - name : Copy files
    copy :
      src : ../templates/example.txt
      dest : /home/deploy/tmp/example.txt