SDLC
===========================================================
PLAN -> CODE -> ANA -> Build -> UT -> Pack -> Archive -> Dep2QA
---------------------------------------------------------------
	GIT    SONAR   Maven   ----  ------- Artifactory --> Ansible
==========================================================================

What is Ansible?
------------------------------
	Config mgmt tool
	deployment tool

	From REDHAT
	Writtin in Python
	Release
		cli - free n os == ansible
		gui - paid == ansible tower


What is Config mgmt
---------------------------
	Server(S) config

What is there in Server?
---------------------------------
	file
	dir
	user
	apt
	yum
	group
	
DevOps.war ---> 10 Server
----------------------------
1. install java		=== apt
2. install tomcat	=== wget - tar 
3. install mysql	== apt
4. install app DevOps.war	=== curl from Artifactory
5. Config app to connect to DB	=== file modification

Why ANSIBLE
==============================

How to install ansible?
$ sudo apt update
$ sudo apt install software-properties-common
$ sudo add-apt-repository --yes --update ppa:ansible/ansible
$ sudo apt install ansible

Others tool
-----------------------

Ansible Arch
------------------------------------------------

HUMAN --> ACS ----> ARS
----------------------------------
	LINUX		ANY
	PYTHON		LINuX - python
			windows - DOTNET & PS3.0
	-----------COMMUNCATION----------->
		SSH ----- LINUX
		WINRM(HTTP)	----> WIndows
	
	Ansible			NA -- Agent Less


ACS
=============================
Ansible
	- Executables = 
	- Modules  ==== A py code which would be run ARS
		https://docs.ansible.com/ansible/2.9/modules/modules_by_category.html
	- Plugins ==== A py code which add func of Ansible
	- Configfile	= /etc/ansible/ansible.cfg

Human
	- playbook
	- inventory
	- role
=============================================
Project - setup a web servers
Psucode
---------------------------
S1 - install apache			ansible.builtin.apt	| state
S2 - Copy index.html to /var/www/html	ansible.builtin.copy module
S3 - Start a apache svc			ansible.builtin.service module
==========================================================

IF u want to copy 1 file 1 machine 
----------------------------------
	cmd	= ansible Adhoc == ansible
	script == playbook == ansible-playbook

Ansible Adhoc Command
-------------------------------
ansible localhost -m apt -a"state=present name=apache2" -b 
ansible localhost -m copy -a"dest=/var/www/html src=index.html" -b
ansible localhost -m service -a"name=apache2 state=started" -b	

===================================================================
inventory
------------------------------------
		LIST of IP Address Of ARS
			CMD
			file
			script


ansible all -i inventory -m apt -a"state=present name=apache2" -u ubuntu -k -b
ansible all -i inventory -m copy -a"dest=/var/www/html src=index.html" -u ubuntu -k -b
ansible all -i inventory -m service -a"name=apache2 state=restarted" -u ubuntu -k -b



54.197.84.39
35.175.142.240


----------------------
How to enable and set a password in Ec2 instance?

$ sudo -s
$ vi /etc/ssh/sshd_config
$ Locate "PasswordAuthentication" and uncomment and make it yes. ie. PasswordAuthentication yes
$ systemctl restart sshd
$ passwd ubuntu
	pass
	re-pass

==========================================================
PLAYBOOK
---------------------------
	yaml file
	contians play

	play
	-----------------
	hosts: groupname from the inventory	
	tasks: List of module


---
- name: Update web servers
  hosts: all

  tasks:
  - name: Install Apache in ubuntu
    ansible.builtin.apt:
      name: "apache2"
      state: latest
  - name: Copy index.html
    ansible.builtin.copy:
      src: index.html
      dest: /var/www/html/index.html
  - name: Starting a Apache Server
    ansible.builtin.service:
      name: "apache2"
      state: started


ansible-playbook -i inventory web.yaml -u ubuntu -k -b