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Source code of my blog on how to perform Chaos Engineering using

  1. Chaos Monkey for Spring Boot
  2. Consul
  3. Prometheus
  4. Grafana

Card Service APIs

Comprises of business flow which allows consumer of this application to view card based on Id or fetch all the cards

Method Path Description
GET /card/{cardId} Gets Card based on card identifier
GET /cards Fetches all cards stored in database

How to enable monitoring of demo application

Start Consul

  1. Go to home of Consul e.g. "C:\consul.io"
  2. Run below command in powershell

    .\consul.exe agent -dev -node machine

  3. Check whether Consul is up and running by accessing URL (http://localhost:8500/ui/dc1/services
    ) in browser

Start Prometheus

  1. Go to home of Prometheus e.g. "C:\prometheus-2.2.1.windows-amd64"
  2. Run below command in powershell

    .\prometheus.exe --config.file=prometheus.yml

  3. Check whether Prometheus is up and running by accessing URL (http://localhost:9090/service-discovery) in browser

Start Grafana

  1. Go to home of Consul e.g. C:\grafana-5.1.3\bin
  2. Run below command in powershell

    .\grafana-server.exe agent -dev -node machine

  3. Check whether Grafana is up and running by accessing URL (http://localhost:7070) in browser

Running load tests using Apache Bench

  1. Go to Apache Bench's bin directory e.g. C:\Apache24\bin
  2. Run below command in powershell to invoke Fetch Cards API 250 times with 4 concurrent threads

    .\ab.exe -n 250 -c 4 http://localhost:8090/cards

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