classes:
- service.elasticsearch.server.cluster
- service.haproxy.proxy.single
- service.keepalived.cluster.single
- service.java.environment
parameters:
  _param:
    java_environment_version: "8"
    java_environment_platform: openjdk
  linux:
    system:
      sysctl:
        vm.max_map_count: 262144
        vm.swappiness: 0
  java:
    environment:
      headless: true
  elasticsearch:
    server:
      enabled: true
      master: true
      data: true
      mlockall: true
      bind:
        address: ${_param:single_address}
        port: 9200
      index:
        replicas: 2
      threadpool:
        bulk:
         queue_size: 1000
      gateway:
        expected_nodes: 3
        recover_after_nodes: 2
        recover_after_time: 5m
      cluster:
        multicast: false
        minimum_master_nodes: 2
        members:
        - host: ${_param:cluster_node01_address}
        - host: ${_param:cluster_node02_address}
        - host: ${_param:cluster_node03_address}