prom-loki/values.yaml

prometheus:
  enabled: true

  alertmanager:
    enabled: true
  #   baseURL: "http://localhost:9093"
  #   configFileName: alertmanager.yml

  # alertmanagerFiles:
  #   alertmanager.yml:
  #     receivers:
  #       - name: default-receiver

loki:
  enabled: true

grafana:
  enabled: true

  # TODO user existing secret instead
  adminUser: admin
  adminPassword: prom-operator

  ingress:
    enabled: true
    ingressClassName: nginx

    path: /
    pathType: Prefix
    hosts:
      - grafana.ing

  sidecar:
    datasources:
      enabled: true

filebeat:
  enabled: true
  filebeatConfig:
    filebeat.yml: |
      logging.level: debug
      filebeat.inputs:
      - type: container
        paths:
          - /var/log/containers/*.log
        processors:
        - add_kubernetes_metadata:
            host: ${NODE_NAME}
            matchers:
            - logs_path:
                logs_path: "/var/log/containers/"
      output.logstash:
        # TODO make vvv this depend on helm chart name
        hosts: ["loki-stack-logstash:5044"]
 
logstash:
  enabled: true
  image: grafana/logstash-output-loki
  imageTag: 1.0.1

  service:
    type: ClusterIP
    ports:
    - name: beats
      port: 5044
      protocol: TCP
      targetPort: 5044
    - name: http
      port: 8080
      protocol: TCP
      targetPort: 8080

  # readiness probe seems to be failing (connection refused to port 9600)

  filters:
    main: |-
      filter {
        if [kubernetes] {
          mutate {
            add_field => {
              "container_name" => "%{[kubernetes][container][name]}"
              "namespace" => "%{[kubernetes][namespace]}"
              "pod" => "%{[kubernetes][pod][name]}"
            }
            replace => { "host" => "%{[kubernetes][node][name]}"}
          }
        }
        mutate {
          remove_field => ["tags"]
        }
      }

  # TODO drop high cardinality data (https://grafana.com/docs/loki/latest/clients/logstash)
  outputs:
    main: |-
      output {
        loki {
          # TODO this url may be wrong
          url => "http://loki-stack:3100/loki/api/v1/push"
          #username => "test"
          #password => "test"
        }
        # stdout { codec => rubydebug }
      }
 
promtail:
  enabled: false

fluent-bit:
  enabled: false