prom-tail-config-map.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: promtail-configmap
  namespace: loki
data:
  promtail.yaml: |
    server:
      log_level: info
      http_listen_port: 3101

    clients:
      - url: http://prometheus-kube-prometheus-alertmanager.loki.svc:3100/loki/api/v1/push

    positions:
      filename: /run/promtail/positions.yaml

    scrape_configs:
      # See also https://github.com/grafana/loki/blob/master/production/ksonnet/promtail/scrape_config.libsonnet for reference
      - job_name: kubernetes-pods
        pipeline_stages:
          - cri: {}
        kubernetes_sd_configs:
          - role: pod
        relabel_configs:
          - source_labels:
              - __meta_kubernetes_pod_controller_name
            regex: ([0-9a-z-.]+?)(-[0-9a-f]{8,10})?
            action: replace
            target_label: __tmp_controller_name
          - source_labels:
              - __meta_kubernetes_pod_label_app_kubernetes_io_name
              - __meta_kubernetes_pod_label_app
              - __tmp_controller_name
              - __meta_kubernetes_pod_name
            regex: ^;*([^;]+)(;.*)?$
            action: replace
            target_label: app
          - source_labels:
              - __meta_kubernetes_pod_label_app_kubernetes_io_component
              - __meta_kubernetes_pod_label_component
            regex: ^;*([^;]+)(;.*)?$
            action: replace
            target_label: component
          - action: replace
            source_labels:
            - __meta_kubernetes_pod_node_name
            target_label: node_name
          - action: replace
            source_labels:
            - __meta_kubernetes_namespace
            target_label: namespace
          - action: replace
            replacement: $1
            separator: /
            source_labels:
            - namespace
            - app
            target_label: job
          - action: replace
            source_labels:
            - __meta_kubernetes_pod_name
            target_label: pod
          - action: replace
            source_labels:
            - __meta_kubernetes_pod_container_name
            target_label: container
          - action: replace
            replacement: /var/log/pods/*$1/*.log
            separator: /
            source_labels:
            - __meta_kubernetes_pod_uid
            - __meta_kubernetes_pod_container_name
            target_label: __path__
          - action: replace
            regex: true/(.*)
            replacement: /var/log/pods/*$1/*.log
            separator: /
            source_labels:
            - __meta_kubernetes_pod_annotationpresent_kubernetes_io_config_hash
            - __meta_kubernetes_pod_annotation_kubernetes_io_config_hash
            - __meta_kubernetes_pod_container_name
            target_label: __path__