README.md

raspberrypi-blue-green-deployment

Enable continous deployment of java services on a cheep hw.

Getting started

1. mvn clean install
2. ./start-nodes.sh
3. ./blue-green-deployment.sh

Blue/Green deployment of two versions

Current MasterStatus

curl -X GET http://localhost:5050/blueGreenService/masterstatus

Result:

{
  "masterstatus": ".."
}

Request Primary

curl -X PUT http://localhost:5050/blueGreenService/masterstatus/requestPrimary

Result:

• 202 OK - the node will drain and assume masterstatus=fallback
• 102 You need to wait
• 412

Warmup

Development

mvn clean install
java -jar target/blueGreenService.jar
curl -X GET http://localhost:5050/blueGreenService/health