adder_and_sidekick's Introduction

adder_and_sidekick

Exploration of minimalistic adder service and a front-end to it.

How It Works?

This is multi-module project, written in about 4 hours and contains minimalistic Dropwizard microservice (adder), wrapper around netty's hexdump proxy example which serves as user-facing client service (sidekick) and parent pom.

There are few Spock's specifications which run these services, they are plugged into Maven build pipeline. To run all tests (for adder, sidekick) simply run

mvn clean verify

This will run these tests and create packages.

Also, applications can be run as standalone, adder via:

java -jar adder/target/adder-<project.version>.jar server

Sidekick via:

java -jar sidekick/target/sidekick-<project.version>.jar

When started, one can send requests to adder directly via curl:

curl -v http://localhost:8080/+/-1/200 ; echo
*   Trying ::1...
* TCP_NODELAY set
* Connected to localhost (::1) port 8080 (#0)
> GET /+/-1/200 HTTP/1.1
> Host: localhost:8080
> User-Agent: curl/7.54.0
> Accept: */*
> 
< HTTP/1.1 200 OK
< Date: Sun, 21 Jan 2018 11:09:39 GMT
< Content-Type: text/plain
< Vary: Accept-Encoding
< Content-Length: 3
< 
* Connection #0 to host localhost left intact
199

Or via client-facing server:

curl -v http://localhost:18080/+/-1/200 ; echo
*   Trying ::1...
* TCP_NODELAY set
* Connected to localhost (::1) port 18080 (#0)
> GET /+/-1/200 HTTP/1.1
> Host: localhost:18080
> User-Agent: curl/7.54.0
> Accept: */*
> 
< HTTP/1.1 200 OK
< Date: Sun, 21 Jan 2018 20:44:55 GMT
< Content-Type: text/plain
< Vary: Accept-Encoding
< Content-Length: 3
< 
* Connection #0 to host localhost left intact
199