# Vector Agent DaemonSet for collecting benchmark logs
# Runs on each node to collect logs from local pods and forward to Vector Aggregator

apiVersion: v1
kind: ServiceAccount
metadata:
  name: vector
  namespace: argo
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: vector-agent
rules:
  - apiGroups:
      - ""
    resources:
      - namespaces
      - nodes
      - pods
    verbs:
      - list
      - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: vector-agent
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: vector-agent
subjects:
  - kind: ServiceAccount
    name: vector
    namespace: argo
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: vector
  namespace: argo
  labels:
    app.kubernetes.io/name: vector
    app.kubernetes.io/instance: vector
    app.kubernetes.io/component: Agent
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: vector
      app.kubernetes.io/instance: vector
      app.kubernetes.io/component: Agent
  template:
    metadata:
      labels:
        app.kubernetes.io/name: vector
        app.kubernetes.io/instance: vector
        app.kubernetes.io/component: Agent
    spec:
      serviceAccountName: vector
      containers:
        - name: vector
          image: timberio/vector:0.34.0-distroless-libc
          args:
            - --config
            - /etc/vector/vector.yaml
          env:
            - name: VECTOR_SELF_NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: VECTOR_SELF_POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: VECTOR_SELF_POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: VECTOR_LOG
              value: "info"
          volumeMounts:
            - name: config
              mountPath: /etc/vector
              readOnly: true
            - name: data
              mountPath: /vector-data
            - name: var-log
              mountPath: /var/log
              readOnly: true
            - name: var-lib
              mountPath: /var/lib
              readOnly: true
          resources:
            requests:
              cpu: 100m
              memory: 256Mi
            limits:
              cpu: 1000m
              memory: 1Gi
      volumes:
        - name: config
          configMap:
            name: vector-agent-config
        - name: data
          emptyDir: {}
        - name: var-log
          hostPath:
            path: /var/log
        - name: var-lib
          hostPath:
            path: /var/lib