kube/monitoring/snmp-exporter.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: snmp-exporter
spec:
  replicas: 2
  selector:
    matchLabels:
      app: snmp-exporter
  template:
    metadata:
      labels:
        app: snmp-exporter
    spec:
      containers:
        - image: mirror.gcr.io/prom/snmp-exporter:v0.22.0
          name: snmp-exporter
          imagePullPolicy: IfNotPresent
          securityContext:
            runAsNonRoot: true
            runAsUser: 1000
            readOnlyRootFilesystem: true
          ports:
          - containerPort: 9116
            name: exporter
          livenessProbe:
            httpGet:
              path: /health
              port: exporter
          readinessProbe:
            httpGet:
              path: /health
              port: exporter
          volumeMounts:
          - name: snmp-exporter
            mountPath: /etc/snmp_exporter
      volumes:
        - name: snmp-exporter
          configMap:
            name: snmp-exporter
      nodeSelector:
        dedicated: monitoring
      tolerations:
      - key: dedicated
        operator: Equal
        value: monitoring
        effect: NoSchedule
      topologySpreadConstraints:
        - maxSkew: 1
          topologyKey: topology.kubernetes.io/zone
          whenUnsatisfiable: DoNotSchedule
          labelSelector:
            matchLabels:
              app: snmp-exporter
---
kind: Service
apiVersion: v1
metadata:
  name: snmp-exporter
spec:
  type: ClusterIP
  ports:
    - name: exporter
      port: 9116
      protocol: TCP
  selector:
    app: snmp-exporter
---
kind: Probe
apiVersion: monitoring.coreos.com/v1
metadata:
  name: ups
spec:
  interval: 60s
  module: rfc1628_ups
  prober:
    url: snmp-exporter:9116
    path: /snmp
  metricRelabelings:
    - sourceLabels: [__name__]
      regex: '(.*)'
      replacement: 'snmp_${1}'
      targetLabel: __name__
  targets:
    staticConfig:
      static:
        - ups-4.mgmt.k-space.ee
        - ups-7.mgmt.k-space.ee
        - ups-8.mgmt.k-space.ee
        - ups-9.mgmt.k-space.ee
---
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: ups
spec:
  groups:
  - name: ups
    rules:
    - alert: UPSBatteryLost
      annotations:
        summary: One or more UPS-es have degraded batteries.
      expr: snmp_upsBatteryStatus{upsBatteryStatus!="batteryNormal"} > 0
      for: 1m
      labels:
        severity: critical
    - alert: UPSPowerLost
      annotations:
        summary: One or more UPS-es is not in normal operation mode. This either means
          power is lost or UPS was loaded and it's now in bypass mode.
      expr: sum(snmp_upsOutputSource { upsOutputSource = 'normal' }) != 4
      for: 1m
      labels:
        severity: critical
    - alert: UPSExcessivelyLoaded
      annotations:
        summary: One or more UPS-es is loaded more than 50%. Make sure load on UPS-es
          is balanced and load for no UPS stays above 50%.
      expr: snmp_upsOutputPercentLoad > 80
      for: 1h
      labels:
        severity: critical
---
kind: Probe
apiVersion: monitoring.coreos.com/v1
metadata:
  name: printer
spec:
  interval: 60s
  scrapeTimeout: 50s
  module: printer_mib
  prober:
    url: snmp-exporter:9116
    path: /snmp
  metricRelabelings:
    - sourceLabels: [__name__]
      regex: '(.*)'
      replacement: 'snmp_${1}'
      targetLabel: __name__
  targets:
    staticConfig:
      static:
        - mfp-chaos.pub.k-space.ee
---
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: printer
spec:
  groups:
  - name: printer
    rules:
    - alert: PrinterNeedsAttention
      annotations:
        summary: Printer is in error state. If the underlying reason is 'low on paper'
          make sure there is enough paper near the printer. It not drop a line at
          accounting@k-space.ee to order more office supplies.
      expr: snmp_hrPrinterDetectedErrorState == 1
      for: 0m
      labels:
        severity: warning
---
kind: Probe
apiVersion: monitoring.coreos.com/v1
metadata:
  name: beamer
spec:
  interval: 60s
  module: epson_beamer
  prober:
    url: snmp-exporter:9116
    path: /snmp
  metricRelabelings:
    - sourceLabels: [__name__]
      regex: '(.*)'
      replacement: 'snmp_${1}'
      targetLabel: __name__
  targets:
    staticConfig:
      static:
        - beamer-cyber.sec.k-space.ee