librnms-helm-charts/charts/librenms/templates/librenms-poller-ss.yml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ .Release.Name }}-poller
spec:
  replicas: {{ .Values.librenms.poller.replicas }}
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ .Release.Name }}
      app.kubernetes.io/instance: {{ .Release.Name }}
  serviceName: "poller"
  template:
    metadata:
      annotations:
        checksum/config: {{ include "librenms.configChecksum" . }}
      labels:
        app.kubernetes.io/name: {{ .Release.Name }}
        app.kubernetes.io/instance: {{ .Release.Name }}
    spec:
      volumes:
      - name: env-volume
        emptyDir: {}
      - name: key
        secret:
          secretName: {{ include "librenms.secretName" . }}
      - name: files
        configMap:
          name: {{ .Release.Name }}-files
      - name: mysql
        secret:
          secretName: {{ .Release.Name }}-mysql
      initContainers:
        - name: init
          image: busybox:1.28
          command: ["/bin/sh","/data/files/init.sh"]
          volumeMounts:
          - name: env-volume
            mountPath: /data/env-volume
          - name: key
            mountPath: /data/key
          - name: files
            mountPath: /data/files
      containers:
      - name: poller
        image: '{{ .Values.librenms.image.repository }}:{{ .Values.librenms.image.tag }}'
        imagePullPolicy: Always
        env:
        - name: SIDECAR_DISPATCHER
          value: "1"
        - name: DB_PASSWORD
          valueFrom:
            secretKeyRef:
              name: {{ .Release.Name }}-mysql
              key: mysql-password
        {{- with .Values.librenms.poller.extraEnvs }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
        envFrom:
        - configMapRef:
            name: {{ .Release.Name }}
        volumeMounts:
        - name: files
          mountPath: /data/config/custom.php
          subPath: custom.php
          readOnly: true
        - name: env-volume
          mountPath: /data/.env
          subPath: env
        - name: mysql
          mountPath: "/opt/secrets/mysql/"
          readOnly: true
        {{- if .Values.librenms.poller.resources }}
        resources: {{ toYaml .Values.librenms.poller.resources | nindent 10 }}
        {{- end }}
        readinessProbe: 
          exec:
            command: ["nc", "-z", "-v", "-w1", "{{ .Release.Name }}-mysql", "3306"]
          initialDelaySeconds: 0
          periodSeconds: 1
          failureThreshold: 3