just enough

ansible

Frontend

Carts

Catalogue

frontend

catalogue

catalogue-db

carts

carts-db

https://github.com/udbc/bootcamp/tree/master/ansible

[frontend]

```
list of hosts
```
```
type/class/group that host belongs to 
```
```
how to connect to the host
```

inventory

[catalogue]

[carts]

inventory

[frontend]
192.168.61.11 ansible_ssh_pass=xyz

[catalogue]
192.168.61.12 ansible_ssh_pass=xyz

[carts]
192.168.61.13 

[dev:children]
frontend
catalogue
carts

frontend

catalogue

catalogue-db

carts

carts-db

ROLES

common

common

common

common

common

nodejs

catalogue

mongo

mysql

carts

roles

APP

ta1.yml

ta2.yml

tasks

f1

files

f2

vars

main.yml

app1

roles

ta1.yml

ta2.yml

tasks

task1

task2

- user:
    name: xyz
    comment: "Xy Z"
    uid: 5001
    group: devops

- package:
    name: tomcat
    version: 7.0.1

main.yml

user

package

modules

task file

objective

APP

Steps

```
Create User
```
```
Install Apps
```
```
Manage Configs
```
```
Start Service 
```

APP

Steps

```
Create User
```
```
Install Apps
```
```
Manage Configs
```
```
Start Service 
```

Map to Ansible Modules

Modules

user

package

template

service

user

package

template

service

state = present

uid = 5001

home = /home/xyz

pass = xxxx

name = xyz

state = installed

version = 7.0.4

state = running

state = present

source = xyz.j2

owner = root

mode = 0644

name = xyz

Task Definitions

frontend

catalogue

catalogue-db

carts

carts-db

common

common

common

common

nodejs

catalogue

mysql

carts

docker

playbooks

play 1

play 2

play 3

- hosts: db
  remote_user: devops
  become: true
  roles:
     - { role: mysql, tags: 'mysql'  }

- hosts: www
  remote_user: devops
  become: true
  roles:
     - base 
     - java
     - tomcat

- hosts: lb
  remote_user: devops
  become: true
  roles:
     - base 
     - ssl
     - haproxy

host

role1

role2

role3

playbooks

provisioning

installation & 
configurations

application deployment

one server many Playbooks

playbook3

playbook2

playbook1

[frontend]

inventory

[catalogue]

[carts]

[carts]

frontend

catalogue

carts

Properties

group_vars