apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
  namespace: monitoring
data:
  prometheus.yml: |
    global:
      scrape_interval: 15s
      evaluation_interval: 15s
    scrape_configs:
      - job_name: 'besu-validators'
        kubernetes_sd_configs:
          - role: pod
            namespaces:
              names:
                - besu-network
        relabel_configs:
          - source_labels: [__meta_kubernetes_pod_label_component]
            action: keep
            regex: validator
          - source_labels: [__meta_kubernetes_pod_ip]
            action: replace
            target_label: __address__
            replacement: $1:9545
      - job_name: 'besu-sentries'
        kubernetes_sd_configs:
          - role: pod
            namespaces:
              names:
                - besu-network
        relabel_configs:
          - source_labels: [__meta_kubernetes_pod_label_component]
            action: keep
            regex: sentry
          - source_labels: [__meta_kubernetes_pod_ip]
            action: replace
            target_label: __address__
            replacement: $1:9545
      - job_name: 'besu-rpc'
        kubernetes_sd_configs:
          - role: pod
            namespaces:
              names:
                - besu-network
        relabel_configs:
          - source_labels: [__meta_kubernetes_pod_label_component]
            action: keep
            regex: rpc
          - source_labels: [__meta_kubernetes_pod_ip]
            action: replace
            target_label: __address__
            replacement: $1:9545
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
  namespace: monitoring
spec:
  replicas: 1
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      containers:
        - name: prometheus
          image: prom/prometheus:v2.45.0
          ports:
            - name: web
              containerPort: 9090
          volumeMounts:
            - name: config
              mountPath: /etc/prometheus
          args:
            - '--config.file=/etc/prometheus/prometheus.yml'
            - '--storage.tsdb.path=/prometheus'
            - '--web.console.libraries=/usr/share/prometheus/console_libraries'
            - '--web.console.templates=/usr/share/prometheus/consoles'
            - '--storage.tsdb.retention.time=30d'
          resources:
            requests:
              cpu: "500m"
              memory: "2Gi"
            limits:
              cpu: "2"
              memory: "4Gi"
      volumes:
        - name: config
          configMap:
            name: prometheus-config
---
apiVersion: v1
kind: Service
metadata:
  name: prometheus
  namespace: monitoring
spec:
  type: ClusterIP
  ports:
    - port: 9090
      targetPort: web
      protocol: TCP
  selector:
    app: prometheus