Deploy OpenTelemetry Demo on a Kind cluster

We're following a slightly amended version of the official OTel Demo App deployment on Kubernetes with the difference of integrating our Cluster with Grafana Cloud using Alloy.

Prerequisites

• Grafana Cloud stack

Deploy

1. Deploy a kind cluster with 3 Control Plane nodes and 3 Worker nodes by using the following config.yaml:

   kind: Cluster
   apiVersion: kind.x-k8s.io/v1alpha4
   nodes:
     - role: control-plane
     - role: control-plane
     - role: control-plane
     - role: worker
     - role: worker
     - role: worker
   

2. Deploy the cluster with

   kind create cluster --config config.yaml --name kind-3cp-3worker
   

3. For the OpenTelemetry Demo create the following values.yaml which disables all kinds of deployments which we don't need because we have Alloy deployed on the cluster already:

   opentelemetry-collector:
     enabled: false
   jaeger:
     enabled: false
   prometheus:
     enabled: false
   grafana:
     enabled: false
   opensearch:
     enabled: false
   

4. Then deploy the demo:

   helm repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts
   helm install otel-demo open-telemetry/opentelemetry-demo --values values.yaml -n otel-demo --create-namespace