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Requires opCharts-4.0.9 and Above.

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opCharts can display tabular data from most JSON endpoints which required no authentication or support token / bearer header tokens.

In this example we are showing weather data from the Gold Coast using the openweathermap.org API

Key	Required	Description
Name		Name of the component which is shown under the opCharts data sources when creating a dashboard
data_source_type		remote_json is used for opCharts to know it needs to make this type of request
model_view		opmantek-remote-json name of the component which visually shows the datafor the table view, opmantek-pie to show the data in a pie chart
options.titleText		Title of the component shown on the dashboard
remote_paramaters.url		URL of your endpoint which returns JSON data
remote_paramaters.auth_type
remote_paramaters.data_key
remote_paramaters.pagination		server or client, defaults to server
remote_paramaters.log_request		true or false, omkd_log_level also has to be debug for the web request to written into opCharts.log
private.token		Opmantek Token Auth
table_schema		opCharts - Customising Table Columns
external_url		Hyperlink which displays on the top right of the component
external_url_label		Label for the hyperlink
showLegend		Pie View only, default to true, use false to hide the legen

/usr/local/omk/lib/json/opCharts/components.d

Code Block

language	js
title	example_gold_coast_weather.json

{
  "name": "Weather in Gold Coast, AU",
  "data_source_type" : "remote_json",
  "model_view" : "opmantek-remote-json",
  "options": {
    "titleText": "Weather in Gold Coast, AU"
  },
  "remote_paramaters": {
    "pagination": "client",
    "url": "https://api.openweathermap.org/data/2.5/forecast?id=2165087&APPID=__YOUR__API__KEY__&units=metric",
    "data_key": "list"
  },
  "table_schema": [
    { "name": "dt",
      "label": "Timestamp",
      "cell": "String",
      "formatter": "UnixTime",
      "editable": false
    },
    { "name": "wind.speed",
      "label": "Wind Speed",
      "cell": "ColouredByLevel",
      "levels": ["red", 75, "orange", 50, "yellow", 25, "green", 0],
      "editable": false
    },
    { "name": "main.temp",
      "label": "Temp",
      "cell": "ColouredByLevel",
      "editable": false,
      "levels": ["red", 30, "orange", 25, "yellow", 18, "green", 0]
    },
    { "name": "wind.deg",
      "label": "Wind Direction",
      "cell": "String",
      "editable": false
    },
    { "name": "main.pressure",
      "label": "Pressure",
      "cell": "String",
      "editable": false
    },
    { "name": "main.humidity",
      "label": "Humidity",
      "cell": "ColouredByLevel",
      "levels": ["red", 75, "orange", 50, "yellow", 25, "green", 0],
      "editable": false
    },
    { "name": "weather.0.description",
      "label": "Forcast",
      "cell": "String",
      "editable": false
    }
  ]
}

Pie Chart

Showing your own data in the pie chart

Code Block

language	js
title	Pie Data

{
  "replyData": {
    "data": [{
      "name": "irukandji.opmantek.com:magni.opmantek.com:UDP:32760",
      "y": 56.17
    }, {
      "name": "Other",
      "y": 14.18
    }, {
      "name": "magni.opmantek.com:irukandji.opmantek.com:UDP:32760",
      "y": 10.35
    }, {
      "name": "vgw120-example.com:auto-141.opmantek.com:trivnet1",
      "y": 4.82
    }, {
      "name": "auto-119.opmantek.com:ec2-0.0.0.0.compute-1.amazonaws.com:UDP:45056",
      "y": 3.6
    }, {
      "name": "auto-141.opmantek.com:vgw120-example.com:trivnet1",
      "y": 3.25
    }, {
      "name": "magni.opmantek.com:192.168.1.1:UDP:32760",
      "y": 2.39
    }, {
      "name": "magni.opmantek.com:kraken.opmantek.com:UDP:32760",
      "y": 1.84
    }, {
      "name": "vali.opmantek.com:10.152.0.10:http",
      "y": 1.77
    }, {
      "name": "kraken.opmantek.com:magni.opmantek.com:UDP:32760",
      "y": 1.63
    }]
  }
}

Example component definition to show a pie chart from opFlow

Code Block

language	js
title	asgard_pie.json

{
  "name": "Pie TopN - Agent asgard",
  "data_source_type" : "remote_json",
  "model_view" : "opmantek-pie",
  "options": {
    "titleText": "Pie TopN - Agent asgard"
  },
  "remote_paramaters": {
    "auth_type": "omk_token",
    "url": "http://example.opmantek.com/en/omk/opFlowSP/agent/192.168.88.254/interface/2/data_model_view.json",
    "requestData" : {
      "data_source": "",
      "dataset_id": 0,
      "model": "opFlow_flows_summary",
      "model_group": 1,
      "model_view": "pie",
      "parameters": {
        "agent" : "5db27d6a731c248b9b953e0a",
        "axis": 0,
        "end_date_raw": null,
        "field": null,
        "filter": null,
        "graph_type": null,
        "group_by": ["src_ip", "dst_ip", "application"],
        "groupby": ["dnsname_src_ip", "dnsname_dst_ip", "application"],
        "interfaces" : {
          "out" : [
             "5db27d6a731c248b9b953e1c"
          ],
          "in" : [
             "5db27d6a731c248b9b953e18"
          ]
       },
        "lineType": "line",
        "summarise": 300,
        "summary_field": "octets",
        "topn": 10,
        "value_column": "octets"
      },
      "translations": [{
        "name": "topn",
        "parameters": {
          "key_columns": ["src_ip", "dst_ip", "application", "app_port"],
          "summary_kvps": ["application", 0, "octets", 2, "packets", 2, "flows", 2, "app_port", 0],
          "topn": 10,
          "value_column": "octets"
        }
      }, {
        "name": "apply_dnsname",
        "parameters": {}
      }]
    }
  },
  "private": {
    "token": "whateverSuitsU!"
  }
}

How to use the widget

The first step to create a new component is to add the json descriptor file in the path (A content example can be seen in the example above):

Code Block
omk/libconf/json/opCharts/components.d/new_component.json

Once the file is created it can be used as a component in a Dashboard.

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Key

Pie Chart

How to use the widget