oauth2-netflixZuul-springFeign-springCloud-eureka

Gateway with eureka balance and oauth2 authentication - microservices

##Technologies

• Spring security
• Oauth2
• Oauth2 client
• Spring Cloud
• Spring Feign
• Netflix Zuul
• Eureka

##Requirements Install JDK 8 Docker Maven

#Start docker

$ docker-compose up

List state

$ docker-compose ps

Datasource URL: jdbc:postgresql://localhost:15432/postgres

##Build and run projects

$ cd eureka
$ mvn clean install
$ mvn spring-boot:run

$ cd auth-service
$ mvn clean install
$ mvn spring-boot:run

$ cd student
$ mvn clean install
$ mvn spring-boot:run

$ cd teacher
$ mvn clean install
$ mvn spring-boot:run

$ cd school-gateway
$ mvn clean install
$ mvn spring-boot:run

Ports:

• eureka: 8761
• auth-service: 8081
• teacher-service: 8801
• gateway: 8080

Create tables student and teacher in H2

Create table and insert rows:

• student/src/main/resources/data.sql
• teacher/src/main/resources/data.sql

Create table to login in postgres (docker image)

CREATE TABLE public.roles (
roleid serial4 NOT NULL,
"name" varchar(45) NOT NULL,
userid int4 NOT NULL,
CONSTRAINT roles_pkey PRIMARY KEY (roleid)
);

CREATE TABLE public.users (
userid serial4 NOT NULL,
dob date NOT NULL,
email varchar(45) NOT NULL,
firstname varchar(45) NOT NULL,
gender varchar(10) NOT NULL,
lastname varchar(45) NOT NULL,
mobilenumber varchar(45) NOT NULL,
"password" varchar(100) NOT NULL,
CONSTRAINT users_pkey PRIMARY KEY (userid)
);

Spring Eureka console: http://localhost:8761/

Curl by direct service:

http://localhost:8801/3/students

[{"id":1,"name":"Maria","classSection":"1A","classTeacherId":3},{"id":3,"name":"Mariana","classSection":"1A","classTeacherId":3},{"id":5,"name":"Isaac","classSection":"1A","classTeacherId":3}]

Curl by gateway:

http://localhost:8080/teacher/3/students

[{"id":1,"name":"Maria","classSection":"1A","classTeacherId":3},{"id":3,"name":"Mariana","classSection":"1A","classTeacherId":3},{"id":5,"name":"Isaac","classSection":"1A","classTeacherId":3}]

GET TOKEN

$ curl --location --request POST 'http://localhost:8080/auth-service/oauth/token' \
--header 'Authorization: Basic d2ViYXBwOndlYnNlY3JldA==' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'username={{user}}' \
--data-urlencode 'password={{password}}' \
--data-urlencode 'grant_type=password' \
--data-urlencode 'scope=read write'

GET TEACHER USING TOKEN

$ curl --location --request GET 'http://localhost:8801/teacher/1' \
--header 'Authorization: Bearer {{token}}'