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Upload Google Drive files to an InfraNodus graph

InfraNodusInfraNodus
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2/3/2026
n8n
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This template can be used to upload the files in your Google drive to an InfraNodus knowledge graph.

The InfraNodus graph will then reveal the main topics and ideas in your collection of documents and show the content gaps in them. You can also use the built-in AI to converse with the documents.

InfraNodus graph

You can also access the InfraNodus Graphs via its GraphRAG API to re-use them in your other n8n workflows for high-quality content retrieval and knowledge base optimization.

The template showcases the use of multiple n8n nodes and processes:

Note: If you want to Sync your Google drive to an InfraNodus graph, check out our other workflow

How it works

Here's a description of this workflow step by step:

  • Find all the files in a specific Google drive folder
  • For each file found: reiterate the workflow and
  • Identify the type of the file (TXT, PDF, Markdown)
  • For TXT and Markdown files extract the text data
  • For PDF files use a special PDF to Text convertor to extract the text data. (Optional: using ConvertAPI for better quality PDF conversion)
  • Forward everything to the InfraNodus graphAndStatements API endpoint with the name of the new graph, the text field with the text data, the text settings, and doNotSave=false to create a new graph
  • Reiterate through another file.

How to use

You need an InfraNodus GraphRAG API account and key to use this workflow.

  • Create an InfraNodus account
  • Get the API key at https://infranodus.com/api-access and create a Bearer authorization key for the InfraNodus HTTP nodes.
  • Use that API key to set up authorization for the InfraNodus tool in the workflow.
  • If you want to upload the files to an existing graph, you should copy its name from InfraNodus. Otherwise you can specify any name you want.

Requirements

  • An InfraNodus account and API key
  • A Google Drive account and authorization (you will need to set it up via Google Cloud using the n8n instructions provided in the Google Drive node).

Customizing this workflow

You can use Dropbox instead of Google Drive.

You can also modify this workflow slightly to make it Sync with a Google Drive when the new files appear in it.

Check out the complete guide at https://support.noduslabs.com/hc/en-us/articles/20267019838108-Upload-Sync-Your-Google-Drive-Folder-with-InfraNodus-using-n8n

n8n Workflow: Upload Google Drive Files to Infranodus (Conceptual)

This n8n workflow provides a conceptual framework for processing files from Google Drive and preparing them for potential upload to a service like Infranodus, or for further analysis. It demonstrates how to retrieve files, extract their content, and then prepare that content for subsequent actions.

Note: While the directory name suggests "upload Google Drive files to an Infranodus graph," the provided JSON primarily focuses on the extraction and preparation of file content from Google Drive. The actual upload to Infranodus or specific Infranodus API calls are not present in this JSON. This workflow serves as a strong foundation for such an integration.

What it does

This workflow outlines the following steps:

  1. Manual Trigger: Initiates the workflow upon a manual click, allowing for on-demand execution.
  2. Retrieve Files from Google Drive: Connects to Google Drive to list or retrieve files.
  3. Loop Over Items: Processes each retrieved file individually.
  4. Extract Content from File: Attempts to extract the content from the binary data of each file.
  5. Conditional Processing (Switch): Introduces a branching logic to handle different file types or processing outcomes.
  6. Edit Fields (Set): Allows for modification or addition of data fields, likely to structure the extracted content for further use.
  7. HTTP Request: Represents a placeholder for making an API call, which would typically be used to send the processed data to an external service (e.g., Infranodus).
  8. Sticky Note: Provides documentation or comments within the workflow itself.

Prerequisites/Requirements

  • n8n Instance: A running instance of n8n.
  • Google Drive Account: An authenticated Google Drive credential configured in n8n to access your files.
  • Understanding of Infranodus API (for full integration): If you intend to complete the integration with Infranodus, you will need to understand its API for creating or updating graphs.

Setup/Usage

  1. Import the workflow: Import the provided JSON into your n8n instance.
  2. Configure Google Drive Credentials:
    • Locate the "Google Drive" node.
    • Click on the "Credential" field and select an existing Google Drive OAuth2 credential or create a new one. Follow the n8n documentation for setting up Google Drive credentials if needed.
  3. Configure the Google Drive Node:
    • Specify the folder or files you wish to retrieve from Google Drive. You might need to adjust the operation (e.g., "Get All," "Download a File") and parameters based on your specific use case.
  4. Review "Extract from File" Node: Ensure this node is configured to correctly extract content from the types of files you expect (e.g., text, PDF, JSON).
  5. Customize "Switch" Node: Modify the conditions in the "Switch" node to handle different file types or content as required.
  6. Customize "Edit Fields" Node: Adjust this node to format the extracted data into the structure expected by your target service (e.g., Infranodus).
  7. Configure "HTTP Request" Node:
    • This node is a placeholder. You will need to configure it with the specific API endpoint, method (e.g., POST), headers (e.g., API key), and body required by Infranodus or your chosen destination.
    • Map the data from previous nodes (especially the "Edit Fields" node) to the request body.
  8. Activate the Workflow: Once configured, activate the workflow. You can test it by clicking "Execute Workflow" on the "Manual Trigger" node.

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