json_schema: {
      "properties": {
          "linkerd": {
              "properties": {
                  "admin-port": {
                      "default": 9990,
                      "description": "Admin port. Provides an administrative UI for this instance.",
                      "type": "integer"
                  },
                  "cpus": {
                      "default": 0.25,
                      "description": "CPU shares to allocate to each linkerd instance.",
                      "minimum": 0.25,
                      "type": "number"
                  },
                  "instances": {
                      "default": 1,
                      "description": "Number of instances to run.",
                      "minimum": 1,
                      "type": "integer"
                  },
                  "mem": {
                      "default": 256.0,
                      "description": "Memory (MB) to allocate to each linkerd task.",
                      "minimum": 256.0,
                      "type": "number"
                  },
                  "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"
                  },
                  "routing-port": {
                      "default": 4140,
                      "description": "Routing port.",
                      "type": "integer"
                  }
              },
              "required": [
                  "admin-port",
                  "cpus",
                  "instances",
                  "mem",
                  "resource-roles",
                  "routing-port"
              ],
              "type": "object"
          }
      },
      "required": [
          "linkerd"
      ],
      "type": "object"
  }