apiVersion: v1
kind: ConfigMap
metadata:
  name: process-exporter-config
  namespace: monitoring
data:
  config.yml: |
    process_names:
      # 只暴露虚拟机名，不把完整命令行、PID 或凭据写入标签。
      - name: 'vm:{{.Matches.VM}}'
        comm: [qemu-system-x86]
        cmdline: ['-name\s+guest=(?P<VM>[^,\s]+)']
      - name: netbox
        cmdline: ['/opt/netbox/']
      - name: vscode
        cmdline: ['\.vscode-server/']
      - name: '{{.Comm}}'
        cmdline: ['.+']
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: process-exporter
  namespace: monitoring
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: process-exporter
  template:
    metadata:
      labels:
        app.kubernetes.io/name: process-exporter
    spec:
      nodeSelector:
        kubernetes.io/hostname: laptop
      hostPID: true
      automountServiceAccountToken: false
      tolerations:
        - operator: Exists
      containers:
        - name: process-exporter
          image: ncabatoff/process-exporter:0.8.7
          args:
            - -procfs=/host/proc
            - -config.path=/config/config.yml
            - -gather-smaps=true
            - -threads=false
            - -children=false
          securityContext:
            runAsUser: 0
            readOnlyRootFilesystem: true
            allowPrivilegeEscalation: false
            appArmorProfile:
              type: Localhost
              localhostProfile: homelab-process-exporter
            capabilities:
              drop: [ALL]
              add: [SYS_PTRACE, DAC_READ_SEARCH]
          ports:
            - name: metrics
              containerPort: 9256
          readinessProbe:
            tcpSocket:
              port: metrics
          resources:
            requests:
              cpu: 25m
              memory: 32Mi
            limits:
              cpu: 500m
              memory: 128Mi
          volumeMounts:
            - name: proc
              mountPath: /host/proc
              readOnly: true
            - name: config
              mountPath: /config
              readOnly: true
      volumes:
        - name: proc
          hostPath:
            path: /proc
            type: Directory
        - name: config
          configMap:
            name: process-exporter-config
---
apiVersion: operator.victoriametrics.com/v1beta1
kind: VMPodScrape
metadata:
  name: process-exporter
  namespace: monitoring
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: process-exporter
  podMetricsEndpoints:
    - port: metrics
      interval: 60s
      scrapeTimeout: 30s
      relabelConfigs:
        - targetLabel: job
          replacement: process-exporter
        - sourceLabels: [__meta_kubernetes_pod_node_name]
          targetLabel: node
---
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: process-exporter
  namespace: monitoring
spec:
  podSelector:
    matchLabels:
      app.kubernetes.io/name: process-exporter
  policyTypes: [Ingress]
  ingress:
    - from:
        - podSelector:
            matchLabels:
              app.kubernetes.io/name: vmagent
      ports:
        - protocol: TCP
          port: 9256