job "telemetry-system" {
  datacenters = ["neptune"]
  type = "system"

  group "elasticsearch" {
    network {
      port "elastic" {
        static = 9200
      }
      port "elastic_internal" {
        static = 9300
      }
    }

    task "elastic" {
      driver = "docker"
      config {
        image = "docker.elastic.co/elasticsearch/elasticsearch:7.17.0"
        network_mode = "host"
        volumes = [
          "/mnt/ssd/telemetry/es_data:/usr/share/elasticsearch/data",
        ]
        ports = [ "elastic", "elastic_internal" ]
        sysctl = {
          #"vm.max_map_count" = "262144",
        }
        ulimit = {
          memlock = "9223372036854775807:9223372036854775807", 
        }
      }

      resources {
        memory = 2500
        cpu = 500
      }

      template {
        data = <<EOH
node.name={{ env "attr.unique.hostname" }}
http.port=9200
transport.port=9300
cluster.name=es-deuxfleurs
cluster.initial_master_nodes=caribou,cariacou,carcajou
discovery.seed_hosts=carcajou,caribou,cariacou
bootstrap.memory_lock=true
xpack.security.enabled=true
xpack.security.authc.api_key.enabled=true
xpack.security.transport.ssl.enabled=true
xpack.security.transport.ssl.verification_mode=certificate
xpack.security.transport.ssl.client_authentication=required
xpack.security.transport.ssl.keystore.path=/usr/share/elasticsearch/data/elastic-certificates.p12
xpack.security.transport.ssl.truststore.path=/usr/share/elasticsearch/data/elastic-certificates.p12
ES_JAVA_OPTS=-Xms512M -Xmx512M
EOH
        destination = "secrets/env"
        env = true
      }
    }
  }
}