Topology

• Start a HTTP Service user that listen on 8089
• Start a HTTP Service shop that listen on 8090
• Start a HTTP Service promotion that listen on 8091
• Start Kong as a mesh sidecar in the same pod with the service
• Configure Kong and the pod iptables to send all traffic redirect through Kong

Services API

Service user

/api/v6/user/create

create user info
call /api/v6/shop/items in the shop Service
response is {"result":{"userId":"1234", "userName":"vincent"}}

/api/v6/user/accout/query

query account info for the user
call /api/v6/shop/order in the shop Service
response is {"userId":"1234", "detail":{"moneyLeft":52000,"deposit":12000}}

/health

health checking
response is { "status":"UP" }

Service shop

/api/v6/shop/items

return the shop items info
response is {"items": [{"itemId":"001", "itemName":"cloth"}, {"itemId":"002", "itemName":"cloth1"}, {"itemId":"003", "itemName":"cloth2"}]}

/api/v6/shop/order

place a shopping order
call /api/v6/promotion/query in the promotion Service
response is {"userId": "1234", "itemId": "002" }

/api/v6/product/deliver

return the product delivery info
response is {"itemId": "002", "destination": "shenzhen"}

/health

health checking
response is { "status":"UP" }

Service promotion

/api/v6/promotion/query

query the promotion details
response is {"promotions": [{"itemId":"001", "status":"off"}, {"itemId":"002", "status":"on"}, {"itemId":"003", "status":"on"} ]}

/api/v6/promotion/item/discount

query the discount info for a specific item
call /api/v6/product/deliver in the shop Service
response is {"discount": "40", "itemId": "002" }

/health

health checking
response is { "status":"UP" }

Testing

build images

make build-docker-images

run images

make run

call service

we can use the clusterIP to invoke the service API

root@VM-0-14-ubuntu:/home/ubuntu/kong-mesh/kong-mesh-http-demo# curl -v 192.168.255.108:8089/api/v6/user/accout/query
*   Trying 192.168.255.108...
* Connected to 192.168.255.108 (192.168.255.108) port 8089 (#0)
> GET /api/v6/user/accout/query HTTP/1.1
> Host: 192.168.255.108:8089
> User-Agent: curl/7.47.0
> Accept: */*
> 
< HTTP/1.1 200 OK
< Content-Type: application/json
< Transfer-Encoding: chunked
< Connection: keep-alive
< Server: BaseHTTP/0.3 Python/2.7.5
< Date: Tue, 22 Jan 2019 12:51:10 GMT
< localIP: 192.168.0.52
< X-Kong-Upstream-Latency: 30017
< X-Kong-Proxy-Latency: 1
< Via: kong/1.0.0rc3
< 
* Connection #0 to host 192.168.255.108 left intact
{"userId": "1234", "detail": {"deposit": 12000, "moneyLeft": 52000}}