Kubernestes Observability Demo

This repository will explain how to deploy the various CNCF project to observe properly your Kubernetes cluster .

Documentation

Architecture

Online Boutique is composed of microservices written in different programming languages that talk to each other over gRPC and HTTP; and a load generator which uses Locust to fake user traffic.

graph TD

subgraph Service Diagram
adservice(Ad Service):::java
cache[(Cache<br/>&#40redis&#41)]
cartservice(Cart Service):::dotnet
checkoutservice(Checkout Service):::golang
currencyservice(Currency Service):::cpp
emailservice(Email Service):::ruby
frontend(Frontend):::javascript
loadgenerator([Load Generator]):::python
paymentservice(Payment Service):::javascript
productcatalogservice(ProductCatalog Service):::golang
quoteservice(Quote Service):::php
recommendationservice(Recommendation Service):::python
shippingservice(Shipping Service):::rust
featureflagservice(Feature Flag Service):::erlang
featureflagstore[(Feature Flag Store<br/>&#40PostgreSQL DB&#41)]

Internet -->|HTTP| frontend
loadgenerator -->|HTTP| frontend

checkoutservice --> cartservice --> cache
checkoutservice --> productcatalogservice
checkoutservice --> currencyservice
checkoutservice -->|HTTP| emailservice
checkoutservice --> paymentservice
checkoutservice --> shippingservice

frontend --> adservice
frontend --> cartservice
frontend --> productcatalogservice
frontend --> checkoutservice
frontend --> currencyservice
frontend --> recommendationservice --> productcatalogservice
frontend --> shippingservice -->|HTTP| quoteservice

productcatalogservice --> |evalFlag| featureflagservice

shippingservice --> |evalFlag| featureflagservice

featureflagservice --> featureflagstore

end
classDef java fill:#b07219,color:white;
classDef dotnet fill:#178600,color:white;
classDef golang fill:#00add8,color:black;
classDef cpp fill:#f34b7d,color:white;
classDef ruby fill:#701516,color:white;
classDef python fill:#3572A5,color:white;
classDef javascript fill:#f1e05a,color:black;
classDef rust fill:#dea584,color:black;
classDef erlang fill:#b83998,color:white;
classDef php fill:#4f5d95,color:white;

graph TD
subgraph Service Legend
  javasvc(Java):::java
  dotnetsvc(.NET):::dotnet
  golangsvc(Go):::golang
  cppsvc(C++):::cpp
  rubysvc(Ruby):::ruby
  pythonsvc(Python):::python
  javascriptsvc(JavaScript):::javascript
  rustsvc(Rust):::rust
  erlangsvc(Erlang/Elixir):::erlang
  phpsvc(PHP):::php
end

classDef java fill:#b07219,color:white;
classDef dotnet fill:#178600,color:white;
classDef golang fill:#00add8,color:black;
classDef cpp fill:#f34b7d,color:white;
classDef ruby fill:#701516,color:white;
classDef python fill:#3572A5,color:white;
classDef javascript fill:#f1e05a,color:black;
classDef rust fill:#dea584,color:black;
classDef erlang fill:#b83998,color:white;
classDef php fill:#4f5d95,color:white;

Prerequisite

The following tools need to be install on your machine :

jq
kubectl
git
helm

Getting started locally

Quick Start with k3d

First of all, build the demo image:

make build

Then, run the demo:

make run