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Let's begin by writing a very simple graph to get acquainted with directed graph. To follow this tutorial you need to already have you Ubuntu VM setup with SLI. The tutorial to do this is at Install Oracle VM and Ubuntu. (fill in link)have access to an SDNC controller which can be an ONAP SDNC virtual machine with the containers for the controller and dgbuilder.
This graph will use SLI-API execute , if this hasn't been installed yet install it now by following SLI-API:execute-graph#API:execute-graph-InstallingSLI-API (fill in link)which is installed by default by the ONAP SDNC installation scripts.
SLI-API is being used because it allows rapid prototyping of directed graphs without all of the setup required by an MD-SAL project.
You must also can either use the dgbuilder application on your running SDNC controller or install directed graph , the tutorial to do this is at Install builder on your local VM. The tutorial for local install is at Install Directed Graph Builder on Ubuntu Desktop#InstallationInstructions. (fill in link)Desktop
You should be familiar with calling REST APIs with a JSON payload. Postman is a popular and features a GUI. Command line options like curl are fine as well.
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Open your browser and go to your directed graph instance. The default should be http://localhost:3100/# you can check the console you started dgbuilder in to confirm the URL. On the ONAP SDNC controller virtual machine the dgbuilder docker container is on port 3000 (e.g. http://10.0.7.1:3000/# or http://[sdnc_vm_public_id]:3000/#)
Your initial sheet will be blank. On the left hand side of the screen is a palette of nodes.
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