json_schema: {
      "properties": {
          "namerd": {
              "properties": {
                  "admin-port": {
                      "default": 9001,
                      "description": "Admin port. Provides an administrative UI for this instance.",
                      "type": "integer"
                  },
                  "config-filename": {
                      "default": "namerd-dcos-060.yaml",
                      "description": "URI of namerd config file, appends to config-uri. See https://linkerd.io for config docs.",
                      "type": "string"
                  },
                  "config-uri": {
                      "default": "https://s3.amazonaws.com/buoyant-dcos",
                      "description": "URI of namerd config file, prepends to config-filename.",
                      "type": "string"
                  },
                  "cpus": {
                      "default": 0.25,
                      "description": "CPU shares to allocate to each namerd instance.",
                      "minimum": 0.25,
                      "type": "number"
                  },
                  "http-port": {
                      "default": 4180,
                      "description": "httpController port. Provides a REST interface to add/update dtabs.",
                      "type": "integer"
                  },
                  "instances": {
                      "default": 3,
                      "description": "Number of instances to run.",
                      "minimum": 1,
                      "type": "integer"
                  },
                  "mem": {
                      "default": 256.0,
                      "description": "Memory (MB) to allocate to each namerd task.",
                      "minimum": 256.0,
                      "type": "number"
                  },
                  "name": {
                      "default": "namerd",
                      "description": "Name for namerd instance(s).",
                      "type": "string"
                  },
                  "resource-roles": {
                      "default": "\"*\", \"slave_public\"",
                      "description": "The accepted resource roles (e.g. slave_public). By default, this will deploy to any agents with the \"*\" or \"slave_public\" roles.",
                      "type": "string"
                  },
                  "thrift-port": {
                      "default": 4100,
                      "description": "thriftNameInterpreter port. namerd serves name data to linkerd on this port.",
                      "type": "integer"
                  }
              },
              "required": [
                  "admin-port",
                  "config-filename",
                  "config-uri",
                  "cpus",
                  "http-port",
                  "instances",
                  "mem",
                  "name",
                  "resource-roles",
                  "thrift-port"
              ],
              "type": "object"
          }
      },
      "required": [
          "namerd"
      ],
      "type": "object"
  }