---
apiVersion: fluentd.fluent.io/v1alpha1
kind: ClusterOutput
metadata:
  name: freeleaps-logging-system-loki
  labels:
    fluentd-default-output: "true"
spec:
  outputs:
    - loki:
        url: http://loki-gateway.freeleaps-logging-system
        lineFormat: json
        insecure: true
        extractKubernetesLabels: true
---
apiVersion: fluentd.fluent.io/v1alpha1
kind: Fluentd
metadata:
  name: fluentd
  namespace: freeleaps-logging-system
spec:
  globalInputs:
    - forward:
        bind: "0.0.0.0"
        port: 24224
  fluentdCfgSelector:
    matchLabels:
      fluentd-default-config: "true"
  replicas: 2
  workers: 1
  image: kubesphere/fluentd:v1.17
  resources:
    requests:
      cpu: 500m
      memory: 1Gi
    limits:
      cpu: 1
      memory: 2Gi
  affinity:
    podAntiAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        - labelSelector:
            matchExpressions:
              - key: app.kubernetes.io/name
                operator: In
                values:
                  - fluentd
          topologyKey: "kubernetes.io/hostname"
  envVars:
    # Node information
    - name: K8S_NODE_NAME
      valueFrom:
        fieldRef:
          fieldPath: spec.nodeName
    - name: K8S_NODE_IP
      valueFrom:
        fieldRef:
          fieldPath: status.hostIP
    # Pod information
    - name: POD_NAME
      valueFrom:
        fieldRef:
          fieldPath: metadata.name
    - name: POD_NAMESPACE
      valueFrom:
        fieldRef:
          fieldPath: metadata.namespace
    - name: POD_IP
      valueFrom:
        fieldRef:
          fieldPath: status.podIP
  buffer:
    disableBufferVolume: true
---
apiVersion: fluentd.fluent.io/v1alpha1
kind: ClusterFilter
metadata:
  name: fluentd-metadata-appender
  labels:
    fluentd-default-filter: "true"
spec:
  filters:
    - recordTransformer:
        enableRuby: true
        records:
          - key: fluentd_pod_name
            value: ${ENV["POD_NAME"] || "unknown"}
          - key: fluentd_pod_ip
            value: ${ENV["POD_IP"] || "unknown"}
          - key: fluentd_pod_namespace
            value: ${ENV["POD_NAMESPACE"] || "unknown"}
          - key: fluentd_node_name
            value: ${ENV["K8S_NODE_NAME"] || "unknown"}
          - key: fluentd_node_ip
            value: ${ENV["K8S_NODE_IP"] || "unknown"}
---
apiVersion: fluentd.fluent.io/v1alpha1
kind: FluentdConfig
metadata:
  name: freeleaps-logging-fluentd-pipeline
  namespace: freeleaps-logging-system
  labels:
    fluentd-default-config: "true"
spec:
  clusterFilterSelector:
    matchLabels:
      fluentd-default-filter: "true"
  clusterOutputSelector:
    matchLabels:
      fluentd-default-output: "true"
---