Java 8, Docker and Maven are required. For the IDE, make sure you have Lombok plugin installed.
mvn clean install
This will create an image named kv-app:1.0 at local repository.
mongodb and rabbitmq are runtime external dependencies.
user docker compose to start key-value microservice cluster, docker compose file is available at src/main/resources/docker-compose.yml
Default profile is set as SPRING_PROFILES_ACTIVE=cache which stores key values in memory which is synched across nodes in cluster.
You can remove this from docker compose to run the key-value service with mongo-db
Please follow start procedure to have clean startup as rabbitmq takes more time to boot
-
docker compose -f docker-compose.yml up -d kv-mongo -
docker compose -f docker-compose.yml up -d rabbitmq -
docker compose -f docker-compose.yml up -d eureka -
docker compose -f docker-compose.yml up -d ribbon -
instance 1 for key-value service running on 8080
docker compose -f docker-compose.yml up kv-app-1instance 2 for key-value service running on 8082
docker compose -f docker-compose.yml up kv-app-2
This cluster will have two instances of key-value service. At the start of service, nodes will have status as STARTING in registry server
Add node to cluster
GET http://localhost:8080/up GET http://localhost:8082/up
Remove node from cluster
GET http://localhost:8080/down GET http://localhost:8082/down
load balancer Ribbon is running on port 80, following are the REST api enddpoints for key-value service
set key-vlaue GET http://localhost/set?k=some-key&v=some-value
get key-vlaue GET http://localhost/get?k=some-key
check if key exists GET http://localhost/is?k=some-key
get all keys GET http://localhost/getKeys?page=0&size=10
get all values GET http://localhost/getValues?page=0&size=10
remove by key GET http://localhost/rm?k=some-key
clear all GET http://localhost/clear
Load test can be run using maven command
`mvn jmeter:jmeter`
results in csv can be seen at target/jmeter/results/-kv-load-test.csv