fluent-bit.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluent-bit-config
  labels:
    app.kubernetes.io/name: fluentbit
data:
  fluent-bit.conf: |
    [SERVICE]
        Parsers_File  parsers.conf
    [INPUT]
        Name              tail
        Tag               falco.*
        Path              /var/log/containers/falco*.log
        Parser            falco
        DB                /var/log/flb_falco.db
        Mem_Buf_Limit     5MB
        Skip_Long_Lines   On
        Refresh_Interval  10
    [OUTPUT]
        Name cloudwatch
        Match falco.**
        region ap-southeast-1
        log_group_name falco
        log_stream_name alerts
        auto_create_group true
  parsers.conf: |
    [PARSER]
        Name        falco
        Format      json
        Time_Key    time
        Time_Format %Y-%m-%dT%H:%M:%S.%L
        Time_Keep   Off
        # Command      |  Decoder | Field | Optional Action
        # =============|==================|=================
        Decode_Field_As   json    log

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: fluentbit
  labels:
    app.kubernetes.io/name: fluentbit
spec:
  selector:
    matchLabels:
      name: fluentbit
  template:
    metadata:
      labels:
        name: fluentbit
    spec:
      serviceAccountName: fluent-bit
      containers:
      - name: fluent-bit
        image: amazon/aws-for-fluent-bit
        volumeMounts:
        - name: varlog
          mountPath: /var/log
        - name: varlibdockercontainers
          mountPath: /var/lib/docker/containers
          readOnly: true
        - name: fluent-bit-config
          mountPath: /fluent-bit/etc/
        - name: mnt
          mountPath: /mnt
          readOnly: true
        resources:
          limits:
            memory: 500Mi
          requests:
            cpu: 500m
            memory: 100Mi
      volumes:
      - name: varlog
        hostPath:
          path: /var/log
      - name: varlibdockercontainers
        hostPath:
          path: /var/lib/docker/containers
      - name: fluent-bit-config
        configMap:
          name: fluent-bit-config
      - name: mnt
        hostPath:
          path: /mnt

apiVersion: v1
kind: ServiceAccount
metadata:
  name: fluent-bit
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: pod-log-reader
rules:
- apiGroups: [""]
  resources:
  - namespaces
  - pods
  verbs: ["get", "list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: pod-log-crb
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: pod-log-reader
subjects:
- kind: ServiceAccount
  name: fluent-bit
  namespace: default