---
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ .Chart.Name }}-nats-config
data:
  nats.conf: |
    # PID file shared with configuration reloader.
    pid_file: "/var/run/nats/nats.pid"

    ###############
    #             #
    # Monitoring  #
    #             #
    ###############
    http: 8222
    server_name: $POD_NAME

    {{- if .Values.nats.jetstream.enabled }}
    ###################################
    #                                 #
    # NATS JetStream                  #
    #                                 #
    ###################################
    jetstream {
      {{- if .Values.nats.jetstream.memStorage.enabled }}
      max_mem: {{ .Values.nats.jetstream.memStorage.size }}
      {{- end }}

      {{- if .Values.nats.jetstream.fileStorage.enabled }}
      store_dir: {{ .Values.nats.jetstream.fileStorage.storageDirectory }}
      max_file: {{ .Values.nats.jetstream.fileStorage.size }}
      {{- end }}
    }
    {{- end }}

    {{- if .Values.nats.cluster.enabled }}
    ###################################
    #                                 #
    # NATS Full Mesh Clustering Setup #
    #                                 #
    ###################################
    cluster {
      port: 6222
      name: {{ .Chart.Name }}-nats-cluster

      routes = [
        {{- range $i := until (int .Values.nats.cluster.replicas) }}
        nats://{{ $.Chart.Name }}-nats-{{ $i }}.{{ $.Chart.Name }}-nats.{{ $.Release.Namespace }}.svc.cluster.local:6222,
        {{- end }}
      ]
      
      cluster_advertise: $CLUSTER_ADVERTISE
      connect_retries: 120
    }
    {{- end }}

    lame_duck_duration: 120s