global:
  namespace: monitoring

grafana:
  ingress:
    enabled: true
    annotations:
      cert-manager.io/cluster-issuer: letsencrypt-prod
      traefik.ingress.kubernetes.io/router.entrypoints: websecure
      traefik.ingress.kubernetes.io/router.tls: "true"
      traefik.ingress.kubernetes.io/router.tls.certresolver: "default"
      traefik.ingress.kubernetes.io/redirect-entry-point: https
    hosts:
      - grafana.topkek.cloud
    path: /
    tls:
      - hosts:
          - grafana.topkek.cloud
        secretName: grafana-tls

  resources:
    requests:
      cpu: "100m"
      memory: "128Mi"
    limits:
      cpu: "200m"
      memory: "256Mi"

  datasources:
    datasources.yaml:
      apiVersion: 1
      datasources:
        - name: Prometheus
          type: prometheus
          access: proxy
          url: http://prometheus-server.monitoring.svc.cluster.local
          isDefault: true
        - name: Elasticsearch
          type: elasticsearch
          access: proxy
          url: http://elasticsearch-master.monitoring.svc.cluster.local:9200
          jsonData:
            esVersion: 7
            timeField: "@timestamp"

prometheus:
  alertmanager:
    enabled: true
    resources:
      requests:
        cpu: "100m"
        memory: "128Mi"
      limits:
        cpu: "200m"
        memory: "256Mi"
  pushgateway:
    enabled: true
    resources:
      requests:
        cpu: "50m"
        memory: "64Mi"
      limits:
        cpu: "100m"
        memory: "128Mi"
  server:
    enabled: true
    resources:
      requests:
        cpu: "200m"
        memory: "256Mi"
      limits:
        cpu: "400m"
        memory: "512Mi"
    extraScrapeConfigs:
      - job_name: 'kubernetes-pods'
        kubernetes_sd_configs:
          - role: pod
        relabel_configs:
          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
            action: keep
            regex: true
          - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
            action: replace
            target_label: __metrics_path__
            regex: (.+)
          - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
            action: replace
            target_label: __address__
            regex: ([^:]+)(?::\d+)?;(\d+)
            replacement: $1:$2
          - action: labelmap
            regex: __meta_kubernetes_pod_label_(.+)
          - source_labels: [__meta_kubernetes_namespace]
            action: replace
            target_label: kubernetes_namespace
          - source_labels: [__meta_kubernetes_pod_name]
            action: replace
            target_label: kubernetes_pod_name

      - job_name: 'kubernetes-nodes'
        kubernetes_sd_configs:
          - role: node
        relabel_configs:
          - action: labelmap
            regex: __meta_kubernetes_node_label_(.+)

      - job_name: 'kubernetes-apiservers'
        kubernetes_sd_configs:
          - role: endpoints
            namespaces:
              names:
                - default
        relabel_configs:
          - source_labels: [__meta_kubernetes_namespace, __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name]
            action: keep
            regex: default;kubernetes;https

      - job_name: 'kubernetes-cadvisor'
        kubernetes_sd_configs:
          - role: node
        scheme: https
        tls_config:
          ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
          insecure_skip_verify: true
        bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
        relabel_configs:
          - action: labelmap
            regex: __meta_kubernetes_node_label_(.+)
          - target_label: __address__
            replacement: kubernetes.default.svc.cluster.local:443
          - source_labels: [__meta_kubernetes_node_name]
            regex: (.+)
            target_label: node
          - source_labels: [__meta_kubernetes_node_name]
            regex: (.+)
            target_label: instance
          - target_label: __metrics_path__
            replacement: /api/v1/nodes/${1}/proxy/metrics/cadvisor

      - job_name: 'kubernetes-service-endpoints'
        kubernetes_sd_configs:
          - role: endpoints
        relabel_configs:
          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scrape]
            action: keep
            regex: true
          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_scheme]
            action: replace
            target_label: __scheme__
            regex: (https?)
          - source_labels: [__meta_kubernetes_service_annotation_prometheus_io_path]
            action: replace
            target_label: __metrics_path__
            regex: (.+)
          - source_labels: [__address__, __meta_kubernetes_service_annotation_prometheus_io_port]
            action: replace
            target_label: __address__
            regex: ([^:]+)(?::\d+)?;(\d+)
            replacement: $1:$2
          - action: labelmap
            regex: __meta_kubernetes_service_label_(.+)
          - source_labels: [__meta_kubernetes_namespace]
            action: replace
            target_label: kubernetes_namespace
          - source_labels: [__meta_kubernetes_service_name]
            action: replace
            target_label: kubernetes_name

elasticsearch:
  volumeClaimTemplate:
    accessModes: [ "ReadWriteOnce" ]
    resources:
      requests:
        storage: 5Gi # Reduced storage for resource-limited environments
  master:
    resources:
      requests:
        cpu: "250m"
        memory: "512Mi"
      limits:
        cpu: "500m"
        memory: "1Gi"
    replicas: 1
    persistence:
      enabled: true
      size: 5Gi
    extraEnvs:
      - name: discovery.seed_hosts
        value: "elasticsearch-master-0.elasticsearch-master.monitoring.svc.cluster.local"
      - name: cluster.initial_master_nodes
        value: "elasticsearch-master-0"

  data:
    resources:
      requests:
        cpu: "250m"
        memory: "512Mi"
      limits:
        cpu: "500m"
        memory: "1Gi"
    replicas: 1
    persistence:
      enabled: true
      size: 5Gi

  ingest:
    resources:
      requests:
        cpu: "250m"
        memory: "512Mi"
      limits:
        cpu: "500m"
        memory: "1Gi"
    replicas: 1

opentelemetry-collector:
  mode: deployment
  image:
    repository: otel/opentelemetry-collector
    tag: "latest"
  resources:
    requests:
      cpu: "100m"
      memory: "128Mi"
    limits:
      cpu: "200m"
      memory: "256Mi"
  config:
    receivers:
      otlp:
        protocols:
          grpc: {}
          http: {}
    processors:
      batch: {}
      resource:
        attributes:
          - key: k8s.pod.name
            from_attribute: k8s.pod.uid
          - key: k8s.namespace.name
            from_attribute: k8s.namespace.uid
    exporters:
      prometheusremotewrite:
        endpoint: "http://prometheus-server.monitoring.svc.cluster.local/api/v1/write"
      logging:
        loglevel: debug
    service:
      pipelines:
        metrics:
          receivers: [otlp]
          processors: [batch]
          exporters: [prometheusremotewrite]

logstash:
  enabled: true
  resources:
    requests:
      cpu: "100m"
      memory: "128Mi"
    limits:
      cpu: "200m"
      memory: "256Mi"
  config:
    logstash.yml: |
      http.host: "0.0.0.0"
      xpack.monitoring.enabled: true
      xpack.monitoring.elasticsearch.hosts: [ "http://elasticsearch-master.monitoring.svc.cluster.local:9200" ]
    logstash.conf: |
      input {
        beats {
          port => 5044
        }
      }
      output {
        elasticsearch {
          hosts => ["http://elasticsearch-master.monitoring.svc.cluster.local:9200"]
          index => "%{[@metadata][beat]}-%{+YYYY.MM.dd}"
        }
      }