Prometheus monitoring

K8s

• create namespace kubectl create ns monitoring
• Prometheus Operator kubectl apply -n monitoring -f /kubernetes/prometheus-operator/
• Prometheus cluster monitoring instance kubectl apply -n monitoring -f /kubernetes/prometheus-cluster-monitoring/
• Node-exporter(creates deamon sets) port 9100 kubectl apply -n monitoring -f /kubernetes/node-exporter/
• Grafana port 3000 kubectl apply -n monitoring -f /kubernetes/grafana/
• Port forward to Grafana kubectl -n monitoring port-forward your-grafana-pod-name 3000
• Import Grafana Dashboard Id 1860 for node-exported-all
• APIserver monitoring kubectl apply -n monitoring -f /kubernetes/cluster-monitoring-api-kubelet/apiserver.servicemonitor.yaml
• Kubelet monitoring kubectl apply -n monitoring -f /kubernetes/cluster-monitoring-api-kubelet/kubelet.servicemonitor.yaml
• Kube-state-metric kubectl apply -n monitoring -f /kubernetes/kube-state-metrics/
• Alert-manager port 9093 kubectl apply -n monitoring -f /kubernetes/alertmanager/
• Alert Rule kubectl apply -n monitoring -f /kubernetes/Prometheus-Rules/prometheus-alerts.yaml

Python webapp

docker-compose build docker-compose up

• Go to localhost:3000 for grafana localhost:9090 for prometheus