JanusGraph-Visualizer

TLDR:

npm install
npm run build
create a .env file in app directory set USERNAME, PASSWORD, PROTOCOL
npm start
http://localhost:3001

This project is to visualize the graph network corresponding to a gremlin query.

Quick start guide

Below is a quick start guide to start JanusGraph, load the testing graph, and start visualization to show the graph.
Notice, this guide uses Docker image, but it's possible to start JanusGraph and visualization tool without (see Setting Up JanusGraph Visualizer section below).

Start JanusGraph on your host machine: docker run --name janusgraph-default -p 8182:8182 --network=host janusgraph/janusgraph:latest
Open second terminal and start gremlin console: docker run --rm --network=host -e GREMLIN_REMOTE_HOSTS=localhost -it janusgraph/janusgraph:latest ./bin/gremlin.sh
Connect to JanusGraph Server from your running Gremlin Console: :remote connect tinkerpop.server conf/remote.yaml
Instruct Gremlin Console to send all requests to the connected remote server: :remote console
Load JanusGraph testing graph via Gremlin Console: GraphOfTheGodsFactory.load(graph)
Exit Gremlin Console because it's no longer needed: :exit
Start JanusGraph-Visualizer: docker run --rm -d -p 3000:3000 -p 3001:3001 --name=janusgraph-visualizer --network=host janusgraph/janusgraph-visualizer:latest
Open your browser and enter address http://localhost:3001/
Click EXECUTE button. You should see the same graph as the one specified on the image above.

Setting Up JanusGraph Visualizer

To setup JanusGraph visualizer, you need to have node.js and npm installed in your system.

Clone the project

git clone https://github.com/JanusGraph/janusgraph-visualizer.git

Install dependencies

npm install

Run the project

npm start

Open the browser and navigate to

http://localhost:3000

Note - Frontend starts on port 3000 and simple Node.js server also starts on port 3001. If you need to change the ports, configure in package.json, proxy-server.js, src/constants

Setting up with Docker

You can build a Docker image of the JanusGraph visualizer with the included Dockerfile. This will use the current version of the main branch of the source GitHub repository. The Docker image can be built by calling the docker build -f full.Dockerfile command, for example:

docker build --tag=janusgraph-visualizer:latest -f full.Dockerfile .

If you had already built node project on your host then you can create a Docker image faster by using Dockerfile instead of full.Dockerfile:

docker build --tag=janusgraph-visualizer:latest .

The image can also be downloaded from Docker hub: janusgraph/janusgraph-visualizer:latest.

docker pull janusgraph/janusgraph-visualizer:latest

The Docker image can then be run by calling docker run and exposing the necessary ports for communication. See Docker's documentation for more options on how to run the image.

# if you built the image yourself
docker run --rm -d -p 3000:3000 -p 3001:3001 --name=janusgraph-visualizer --network=host janusgraph-visualizer:latest
# if you downloaded from Docker Hub
docker run --rm -d -p 3000:3000 -p 3001:3001 --name=janusgraph-visualizer --network=host janusgraph/janusgraph-visualizer:latest

Note that --network=host is not needed if you don't run your gremlin server in the host machine.

Open the browser and navigate to

http://localhost:3001

The Docker container can be stopped by calling docker stop janusgraph-visualizer.

Supported Environment Variables

GREMLIN_HOST - sets gremlin server hostname for connection. Default is localhost.
GREMLIN_PORT - sets gremlin server port for connection. Default is 8182.
GREMLIN_TRAVERSAL_SOURCE - sets default graph traversal source name to be used for queries. Default is g.
GREMLIN_DEFAULT_QUERY - sets default query to show in visualizer. Default is g.V().

Usage

Start JanusGraph-Visualizer as mentioned above
Start or tunnel a gremlin server
Specify the host and port of the gremlin server
Write a gremlin query to retrieve a set of nodes (eg. g.V())

Features

If you don't clear the graph and execute another gremlin query, results of previous query and new query will be merged and be shown.
Node and edge properties are shown once you click on a node/edge
Change the labels of nodes to any property
View the set of queries executed to generate the graph
Traverse in/out from the selected node

Credits

JanusGraph-Visualizer is based on the original Gremlin-Visualizer that can be found here.
Author of the original Gremlin-Visualizer is: Umesh Jayasinghe.

What is the different in this fork comparing to the origin repo

Added suppport for different graph names
Added GitHub actions to build & push Docker image
Added productions mode to host in Kubernetes
Added ability to override default values (graph host, port, name) via environment variables

Something Missing?

If you have new ideas to improve please create an issue and make a pull request

License

reejh-s1/janusgraph-visualizer

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