Demo Istio

This is a Server in order to illustrate service mesh Istio

Func

• Web Server with IP and Version
• API generate 200
• API generate 503 randomly
• API generate custom answer code
• API ping/pong

Demo

Functionalities demo are available in dedicated section

Build

Build docker container:

make build

Launch Container

docker run -d -p 9010:9010 -e MY_VERSION="v.x.x.x" -e MY_TARGET_PING_SVC="xxx" -e MY_TARGET_PING_PORT="80" jsenon/demo-istio:develop

Usage

Generate Health, answer could be 200 or 5xx if MY_ANSWER_CODE is set:

curl -X GET 127.0.0.1:9010/healthz

Generate 503 randomly:

curl -X GET --header "X-Custom-Error: true" 127.0.0.1:9010/healthz

Web Server:

curl -X GET 127.0.0.1:9010

You can generate a ping/pong to another endpoint/server

Target server is set by env MY_TARGET_PING_SVC/MY_TARGET_PING_PORT:

curl -X POST 127.0.0.1:9010/play

Env

• MY_VERSION = Set Application version ie v.0.0.1
• MY_TARGET_PING_SVC = IP of target service for ping ie. 127.0.0.1 or mysvc.mynamespace.svc.cluster.local
• MY_TARGET_PING_PORT = Port of target service for ping ie. 80
• MY_JAEGER_AGENT = Agent Jaeger ie. jaeger-agent.istio-system:5775, do not set if not needed
• MY_SVC_SPAN_NAME = Set Service span name
• MY_ANSWER_CODE = If set, define custom answer code ie. 503 (only 500, 501 and 503 are supported for now)

TIPS

If you receive cannot execute binary file: Exec format error

Compile with CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build demoserver.go

And build docker build -t jsenon/demo-istio:vx.x .