golang

Example project to collect metrics from clients over gRPC.

Build

1. Requires: go, gcc, make, podman

2. make setup to install the build tools

3. make builder to build the builder image

4. make build to build

5. make check to run the checkers

6. make images to build the images

Deploy

1. cd deploy

2. Install ingress-nginx

    kubectl create namespace ingress-nginx
    helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
    helm install ingress-nginx ingress-nginx/ingress-nginx -n ingress-nginx
   

3. Install prometheus

    helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
    helm install prometheus prometheus-community/prometheus -f prometheus-values.yaml
    kubectl apply -f prometheus-ingress.yaml
   

4. Install grafana

    helm repo add grafana https://grafana.github.io/helm-charts
    helm install grafana grafana/grafana -f grafana-values.yaml \
    --set-file dashboards.default.client-metrics.json=client-metrics.json
    kubectl apply -f grafana-ingress.yaml
    kubectl get secret grafana -o jsonpath="{.data.admin-password}" | base64 --decode; echo
   

5. Deploy http service

    kubectl apply -f http-deployment.yaml
    kubectl apply -f http-service.yaml
    kubectl apply -f http-ingress.yaml
   

6. Deploy grpc service

    kubectl apply -f server-deployment.yaml
    kubectl apply -f server-service.yaml
   

Collect metrics

1. ./bin/client | jq .msg to run the client

2. Navigate to /grafana and open the Client Metrics dashboard