apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: fluent-bit
  namespace: kiamol-ch13-logging
  labels:
    kiamol: ch13
spec:
  selector:
    matchLabels:
      app: fluent-bit
  template:
    metadata:
      labels:
        app: fluent-bit
    spec:
      serviceAccountName: fluent-bit
      containers:
      - name: fluent-bit
        image: fluent/fluent-bit:1.8.11
        volumeMounts:
        - name: fluent-bit-config
          mountPath: /fluent-bit/etc/
        - name: varlog
          mountPath: /var/log
        - name: varlibdockercontainers
          mountPath: /var/lib/docker/containers
          readOnly: true
      volumes:
      - name: fluent-bit-config
        configMap:
          name: fluent-bit-config
      - name: varlog
        hostPath:
          path: /var/log
      - name: varlibdockercontainers
        hostPath:
          path: /var/lib/docker/containers
---
# RBAC configuration - ignore this until we get to chapter 17 :)
apiVersion: v1
kind: ServiceAccount
metadata:
  name: fluent-bit
  namespace: kiamol-ch13-logging
  labels:
    kiamol: ch13
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: fluent-bit
  labels:
    kiamol: ch13
rules:
- apiGroups: [""]
  resources:
  - namespaces
  - pods
  verbs: ["get", "list", "watch"]
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: fluent-bit
  labels:
    kiamol: ch13
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: fluent-bit
subjects:
- kind: ServiceAccount
  name: fluent-bit
  namespace: kiamol-ch13-logging