second checkpoint

docs/source/distributions/k8s/install-prometheus.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+# Script to install prometheus-community/kube-prometheus-stack using Helm
+
+# Exit immediately if a command exits with a non-zero status
+set -e
+
+# Add the Prometheus community Helm repository if it doesn't exist
+if ! helm repo list | grep -q "prometheus-community"; then
+  echo "Adding prometheus-community Helm repository..."
+  helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
+fi
+
+# Update Helm repositories
+echo "Updating Helm repositories..."
+helm repo update
+
+# Create namespace for monitoring if it doesn't exist
+if ! kubectl get namespace monitoring &> /dev/null; then
+  echo "Creating monitoring namespace..."
+  kubectl create namespace monitoring
+fi
+
+# Install kube-prometheus-stack
+echo "Installing kube-prometheus-stack..."
+helm install prometheus prometheus-community/kube-prometheus-stack \
+  --namespace monitoring \
+  --set grafana.enabled=true \
+  --set prometheus.enabled=true \
+  --set alertmanager.enabled=true \
+  --set prometheus.service.type=ClusterIP \
+  --set grafana.service.type=ClusterIP \
+  --set alertmanager.service.type=ClusterIP \
+  --set prometheus.prometheusSpec.serviceMonitorSelectorNilUsesHelmValues=false \
+  --set prometheus.prometheusSpec.podMonitorSelectorNilUsesHelmValues=false
+
+echo "kube-prometheus-stack has been installed successfully!"
+echo "To access Grafana UI, run: kubectl port-forward -n monitoring svc/prometheus-grafana 3000:80"
+echo "Default Grafana credentials - Username: admin, Password: prom-operator"