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Dashboard API

The dashboard API will support collections of resizable InfluxQL visualizations.

TL; DR

Here are the objects we are thinking about; dashboards contain layouts which contain queries.

Dashboard

{
	"links": {
		"self": "/chronograf/v1/dashboards/myid"
	},
	"id": "myid",
	"cells": [
		{
			"x": 0,
			"y": 0,
			"w": 2,
			"h": 1,
			"label": "Objects/Second",
			"range": {
				"upper": 100,
				"lower": 10
			},
			"queries": ["/chronograf/v1/queries/1"]
		},
		{
			"x": 2,
			"y": 0,
			"w": 2,
			"h": 1,
			"label": "Widgets/Second",
			"range": {
				"upper": 10,
				"lower": 0
			},
			"queries": ["/chronograf/v1/queries/2"]
		}
	],
	"name": "This is my dashboard",
}

Query

{
	"query": "SELECT mean(n_cpu) from cpu GROUP BY time(15m)",
	"db": "telegraf",
	"rp": "",
	"links" : {
		"self": "/chronograf/v1/queries/1"
	}
}

Older Chronograf dashboards

Older chronograf dashboards had the following features:

  • View Dashboard
  • Add new visualization to dashboard
  • Add existing visualization to dashboard
  • Remove visualizatoin from dashboard
  • Naming of dashboards
  • Delete dashboard
  • Edit visualization in dashboard

API

This API supports a user defined grid layout by specifying x, y, w, h. These fields align with the react-grid-layout methodology.

This layout style has:

  • Draggable query cells
  • Resizable query cells
  • Vertical auto-packing

/dashboards

GET /dashboards

Returns a list of dashboards

{
    "dashboards": [
        {
            "links": {
                "self": "/chronograf/v1/dashboards/myid"
            },
            "id": "myid",
            "cells": [
                {
                    "x": 0,
                    "y": 0,
                    "w": 2,
                    "h": 1,
                    "label": "Objects/Second",
                    "range": {
                        "upper": 100,
                        "lower": 10
                    },
                    "queries": ["/chronograf/v1/queries/1"]
                },
                {
                    "x": 2,
                    "y": 0,
                    "w": 2,
                    "h": 1,
                    "label": "Widgets/Second",
                    "range": {
                        "upper": 10,
                        "lower": 0
                    },
                    "queries": ["/chronograf/v1/queries/2"]
                }
            ],
            "name": "This is my dashboard"
        },
        {
            "links": {
                "self": "/chronograf/v1/dashboards/myid"
            },
            "id": "myid",
            "cells": [
                {
                    "x": 0,
                    "y": 0,
                    "w": 2,
                    "h": 1,
                    "label": "Objects/Second",
                    "range": {
                        "upper": 100,
                        "lower": 10
                    },
                    "queries": ["/chronograf/v1/queries/1"]
                },
                {
                    "x": 2,
                    "y": 0,
                    "w": 2,
                    "h": 1,
                    "label": "Widgets/Second",
                    "range": {
                        "upper": 10,
                        "lower": 0
                    },
                    "queries": ["/chronograf/v1/queries/2"]
                }
            ],
            "name": "This is my dashboard"
        }
    ]
}

GET /dashboards/myid

Returns an single dashboard object. The fields x, y, w, h, default to not existing unless a user has modified the particular cell.

{
    "links": {
        "self": "/chronograf/v1/dashboards/myid"
    },
    "id": "myid",
    "cells": [
        {
            "x": 0,
            "y": 0,
            "w": 2,
            "h": 1,
            "label": "Objects/Second",
            "range": {
                "upper": 100,
                "lower": 10
            },
            "queries": ["/chronograf/v1/queries/1"]
        },
        {
            "x": 2,
            "y": 0,
            "w": 2,
            "h": 1,
            "label": "Widgets/Second",
            "range": {
                "upper": 10,
                "lower": 0
            },
            "queries": ["/chronograf/v1/queries/2"]
        }
    ],
    "name": "This is my dashboard"
}

PUT /dashboards/myid

We want complete updates to the dashboards because we don't know if we can actually incrementally update visualization metadata

This endpoint will respond with the dashboard after update.

DELETE

Removes a dashboard but will not remove the queries. This will lead to orphans.

Should we have a page that lists all the queries?

POST

Creating a dashboard from an exploration would need to be a two-step process

  1. Create a query
  2. Create dashboard including query link

/queries

The queries endpoint will be a simple CRUD endpoint storing the raw query:

{
	"query": "SELECT mean(n_cpu) from cpu GROUP BY time(15m)",
	"db": "telegraf",
	"rp": "",
	"links" : {
		"self": "/chronograf/v1/queries/1"
	}
}

Over time I'd like this queries endpoint to support a format parameter to return the query data in different JSON formats such as QueryConfig.