Supporting files for my blog post on remote jmx Spring Boot debugging

DemoController.java

package com.example.demo;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import reactor.core.publisher.Mono;

@RestController
public class DemoController {

    @GetMapping("/ping")
    public Mono<String> ping() {
        return Mono.just("pong");
    }
}

jmxremote.access

monitorRole readonly
controlRole readwrite

jmxremote.password

monitorRole 123456
controlRole 123456789

run-public.sh

#!/usr/bin/env bash

set -euo pipefail

RMI_HOST=$(wget -q -O - http://169.254.169.254/latest/meta-data/public-hostname)

java -Dcom.sun.management.jmxremote \
	-Djava.net.preferIPv4Stack=true \
	-Djava.rmi.server.hostname=${RMI_HOST} \
	-Dcom.sun.management.jmxremote.local.only=false \
	-Dcom.sun.management.jmxremote.port=9010 \
	-Dcom.sun.management.jmxremote.rmi.port=9010 \
	-Dcom.sun.management.jmxremote.authenticate=true \
	-Dcom.sun.management.jmxremote.password.file=jmxremote.password \
	-Dcom.sun.management.jmxremote.access.file=jmxremote.access \
	-Dcom.sun.management.jmxremote.ssl=false \
	-jar demo-0.0.1-SNAPSHOT.jar

run-tunnel.sh

#!/usr/bin/env bash

set -euo pipefail

java -Dcom.sun.management.jmxremote \
	-Djava.net.preferIPv4Stack=true \
	-Djava.rmi.server.hostname=localhost \
	-Dcom.sun.management.jmxremote.local.only=true \
	-Dcom.sun.management.jmxremote.port=9010 \
	-Dcom.sun.management.jmxremote.rmi.port=9010 \
	-Dcom.sun.management.jmxremote.authenticate=true \
	-Dcom.sun.management.jmxremote.password.file=jmxremote.password \
	-Dcom.sun.management.jmxremote.access.file=jmxremote.access \
	-Dcom.sun.management.jmxremote.ssl=false \
	-jar demo-0.0.1-SNAPSHOT.jar

ssh-config

Host server
    HostName ec2-11-11-111-111.eu-west-1.compute.amazonaws.com
    User ubuntu
    IdentityFile ~/.ssh/key.pem