marathon application requests for seed and regular nodes

gistfile1.txt

# SEED NODE
{
  "id": "/mycoolenv/cassandra-seed",
  "cmd": "chown -R cassandra /var/lib/cassandra && start $SEED",
  "cpus": 0.5,
  "mem": 400,
  "disk": 0,
  "instances": 1,
  "constraints": [
    [
      "hostname",
      "UNIQUE"
    ]
  ],
  "container": {
    "type": "DOCKER",
    "volumes": [],
    "docker": {
      "image": "poklet/cassandra",
      "network": "HOST",
      "privileged": true,
      "parameters": [],
      "forcePullImage": false
    }
  },
  "env": {
    "SEED": ""
  },
  "labels": {
    "_tonomi_application": "cassandra",
    "_tonomi_environment": "test",
    "_environment_node_type": "cassandra-seed"
  },
  "portDefinitions": [
    {
      "port": 10012,
      "protocol": "tcp",
      "labels": {}
    }
  ]
}

# REGULAR NODE
{
  "id": "/mycoolenv/cassandra-node",
  "cmd": "chown -R cassandra /var/lib/cassandra && start $SEED",
  "cpus": 0.5,
  "mem": 400,
  "disk": 0,
  "instances": 1,
  "container": {
    "type": "DOCKER",
    "volumes": [],
    "docker": {
      "image": "poklet/cassandra",
      "network": "HOST",
      "privileged": true,
      "parameters": [],
      "forcePullImage": false
    }
  },
  "env": {
    "SEED": "172.31.9.194"
  },
  "labels": {
    "_tonomi_application": "cassandra",
    "_tonomi_environment": "test",
    "_environment_node_type": "cassandra-node"
  },
  "portDefinitions": [
    {
      "port": 10000,
      "protocol": "tcp",
      "labels": {}
    }
  ]
}