nginx-log-fluentbit.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-log-config
data:
  default.conf: |
    server {
        listen       80;
        server_name  localhost;
        access_log  /var/log/nginx/host.access.log  main;
        location / {
            root   /usr/share/nginx/html;
            index  index.html index.htm;
        }
    }

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-log-fluentbit-config
data:
  fluent-bit.conf: |
    [SERVICE]
        Flush 5
        Daemon off
        Log_Level error
        Log_File /fluent-bit/log/fluent-bit.log

    [INPUT]
        Name tail
        Path /log/*
        Key message
        Tag nginx.access
        Refresh_Interval 10
        DB /fluent-bit/fluent-bit.db
        
    [FILTER]
        Name modify
        Match *
        Add_if_not_present k8s-app nginx-log-fluentbit
        
    [OUTPUT]
        Name forward
        Match *
        Host fluentd-shipper.logging
        Port 24224

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-log-fluentbit
  labels:
    k8s-app: nginx-log-fluentbit
spec:
  replicas: 1
  selector:
    matchLabels:
      k8s-app: nginx-log-fluentbit
  template:
    metadata:
      labels:
        k8s-app: nginx-log-fluentbit
    spec:
      terminationGracePeriodSeconds: 30
      containers:
      - name: nginx-log-fluentbit
        image: nginx:alpine
        ports:
        - containerPort: 80
        volumeMounts:
        - name: app-logs
          mountPath: /var/log/nginx
        - name: nginx-log-config
          mountPath: /etc/nginx/conf.d/
      - name: fluentbit-logging
        image: fluent/fluent-bit:0.13
        volumeMounts:
        - name: app-logs
          mountPath: /log
        - name: nginx-log-fluentbit-config
          mountPath: /fluent-bit/etc/
      volumes:
      - name: app-logs
        emptyDir: {}
      - name: nginx-log-config
        configMap:
          name: nginx-log-config
      - name: nginx-log-fluentbit-config
        configMap:
          name: nginx-log-fluentbit-config

---
kind: Service
apiVersion: v1
metadata:
  name: nginx-log-fluentbit
  labels:
    k8s-app: nginx-log-fluentbit
spec:
  selector:
    k8s-app: nginx-log-fluentbit
  ports:
    - name: http
      port: 80