Mastering Grafana: How to Duplicate a Panel with a Variable in Grafana with InfluxDB Data

• Create multiple panels with similar configurations, but with different variables
• Quickly adapt to changing data sets and requirements
• Streamline your dashboard creation process
• Unlock new insights and perspectives on your data

Prerequisites

Before we begin, make sure you have the following prerequisites in place:

• Grafana installed and configured with InfluxDB as your data source
• A basic understanding of Grafana panels and variables
• An InfluxDB database with data that you’d like to visualize

Step 1: Create a New Variable

The first step in duplicating a panel with a variable is to create a new variable. To do this, follow these steps:

1. Navigate to your Grafana dashboard and click on the “Variables” tab
2. Click the “New” button to create a new variable
3. Choose “InfluxDB” as your data source
4. Select the InfluxDB database and measurement that contains the data you’d like to visualize
5. Choose the field or column that you’d like to use as your variable
6. Click “Apply” to save your new variable

// Example variable query
SELECT 
  "value" AS "value"
FROM 
  "my_database"."my_measurement"
WHERE 
  $timeFilter AND 
  "host" =~ /$host_filter/
GROUP BY 
  "host"
ORDER BY 
  "value" DESC

Step 2: Create a New Panel

Now that you have your variable created, it’s time to create a new panel that uses that variable. To do this, follow these steps:

1. Navigate to your Grafana dashboard and click on the “Panels” tab
2. Click the “New” button to create a new panel
3. Choose the type of panel you’d like to create (e.g. graph, table, etc.)
4. Configure your panel settings as desired (e.g. title, axis labels, etc.)
5. In the “Metrics” section, select the variable you created in Step 1
6. Click “Apply” to save your new panel

// Example panel configuration
{
  "title": "My Variable Panel",
  "type": "graph",
  "datasource": "my_influxdb_datasource",
  "targets": [
    {
      "refId": "A",
      "expr": "my_variable"
    }
  ],
  "legend": {
    "show": true,
    "valuesOrient": "auto"
  }
}

Step 3: Duplicate the Panel with the Variable

Now that you have your panel created, it’s time to duplicate it with the variable. To do this, follow these steps:

1. Navigate to your Grafana dashboard and click on the “Panels” tab
2. Find the panel you created in Step 2 and click the three dots on the right-hand side
3. Click “Duplicate” to create a duplicate of the panel
4. In the duplicate panel, update the variable value to a new value (e.g. a different host or metric)
5. Click “Apply” to save the changes to the duplicate panel

// Example duplicate panel configuration
{
  "title": "My Duplicated Variable Panel",
  "type": "graph",
  "datasource": "my_influxdb_datasource",
  "targets": [
    {
      "refId": "A",
      "expr": "my_variable{host='new_host'}"
    }
  ],
  "legend": {
    "show": true,
    "valuesOrient": "auto"
  }
}

Step 4: Customize and Refine Your Panels

Now that you’ve duplicated your panel with the variable, it’s time to customize and refine your panels to better suit your needs. You can:

• Update the title, axis labels, and other settings to better reflect the data being displayed
• Change the color scheme, font, and other visual elements to match your brand or style
• Add additional metrics or variables to create a more comprehensive view of your data
• Experiment with different panel types, such as tables, heatmaps, or gauges

Conclusion

Duplicating a panel with a variable in Grafana with InfluxDB data is a powerful technique that can unlock new insights and perspectives on your data. By following the steps outlined in this article, you can create multiple panels with similar configurations, but with different variables, and quickly adapt to changing data sets and requirements. Remember to experiment, refine, and customize your panels to better suit your needs, and happy dashboarding!

Remember to check the official Grafana and InfluxDB documentation for more information on variables, panels, and dashboard creation.

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