gcloud-lab/apps/base/osint-dashboard/templates/nats/statefulset.yaml

{{- if .Values.nats.enabled }}
apiVersion: v1
kind: ConfigMap
metadata:
  name: nats-config
  namespace: {{ .Values.namespace }}
  labels:
    {{- include "osint-dashboard.labels" . | nindent 4 }}
data:
  nats-server.conf: |
    port: {{ .Values.nats.ports.client }}
    server_name: "osint-nats-${HOSTNAME}"
    
    # Cluster
    cluster {
      port: {{ .Values.nats.ports.cluster }}
      routes: [
        nats-route://nats-0.nats-cluster.{{ .Values.namespace }}.svc:{{ .Values.nats.ports.cluster }},
        nats-route://nats-1.nats-cluster.{{ .Values.namespace }}.svc:{{ .Values.nats.ports.cluster }},
        nats-route://nats-2.nats-cluster.{{ .Values.namespace }}.svc:{{ .Values.nats.ports.cluster }}
      ]
      cluster_advertise: "nats-${HOSTNAME}.nats-cluster.{{ .Values.namespace }}.svc:{{ .Values.nats.ports.cluster }}"
    }
    
    # JetStream
    jetstream {
      store_dir: "{{ .Values.nats.jetstream.fileStore }}"
      max_mem_store: {{ .Values.nats.jetstream.maxMemory }}
      max_file_store: {{ .Values.nats.storage.size }}
    }
    
    # Monitoring
    monitor: {{ .Values.nats.ports.monitor }}
    
    # WebSocket
    websocket {
      port: {{ .Values.nats.ports.websocket }}
      no_tls: true
    }
    
    # Logging
    logtime: true
    log_file: /var/log/nats/nats.log
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: nats
  namespace: {{ .Values.namespace }}
  labels:
    {{- include "osint-dashboard.labels" . | nindent 4 }}
    app.kubernetes.io/component: message-broker
spec:
  serviceName: nats-cluster
  replicas: {{ .Values.nats.replicaCount }}
  selector:
    matchLabels:
      {{- include "osint-dashboard.selectorLabels" . | nindent 6 }}
      app.kubernetes.io/component: message-broker
  template:
    metadata:
      labels:
        {{- include "osint-dashboard.selectorLabels" . | nindent 8 }}
        app.kubernetes.io/component: message-broker
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "{{ .Values.nats.ports.monitor }}"
    spec:
      securityContext:
        runAsNonRoot: true
        runAsUser: 1000
        fsGroup: 1000
      terminationGracePeriodSeconds: 30
      containers:
        - name: nats
          image: "{{ .Values.nats.image.repository }}:{{ .Values.nats.image.tag }}"
          ports:
            - name: client
              containerPort: {{ .Values.nats.ports.client }}
            - name: cluster
              containerPort: {{ .Values.nats.ports.cluster }}
            - name: monitor
              containerPort: {{ .Values.nats.ports.monitor }}
            - name: websocket
              containerPort: {{ .Values.nats.ports.websocket }}
          resources:
            {{- toYaml .Values.nats.resources | nindent 12 }}
          volumeMounts:
            - name: config
              mountPath: /etc/nats-config
            - name: data
              mountPath: {{ .Values.nats.jetstream.fileStore }}
            - name: logs
              mountPath: /var/log/nats
          args:
            - "-c"
            - "/etc/nats-config/nats-server.conf"
          readinessProbe:
            httpGet:
              path: /healthz
              port: monitor
            initialDelaySeconds: 5
            periodSeconds: 5
          livenessProbe:
            httpGet:
              path: /healthz
              port: monitor
            initialDelaySeconds: 10
            periodSeconds: 10
          securityContext:
            allowPrivilegeEscalation: false
            readOnlyRootFilesystem: true
            capabilities:
              drop: ["ALL"]
      volumes:
        - name: config
          configMap:
            name: nats-config
        - name: logs
          emptyDir: {}
  volumeClaimTemplates:
    - metadata:
        name: data
      spec:
        accessModes: ["ReadWriteOnce"]
        resources:
          requests:
            storage: {{ .Values.nats.storage.size }}
        storageClassName: {{ .Values.nats.storage.storageClass }}
{{- end }}