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Kevin Smokowski (ks6305@att.com) created a great wiki on Directed Graphs for use by SDNC developers at AT&T. We have published those pages to the ONAP Wiki so that it is available to the community. Many thanks to Kevin for a great set of documentation on the topic.
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What is a Directed Graph?
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Installing DG builder locally
Follow the page Install Install Directed Graph Builder on Ubuntu Desktop (fill in link) .
Accessing DG builder in an ONAP OOM Installation
A Docker container for DG builder is created when installing SDNC in an OOM installation, and the container exposes a NodePort at port 30203 (in the master branch on Dec. 5, 2018). When browsing to <host>:30203, you will be prompted for credentials, which are dguser:test123.
Introduction to the DG builder GUI
Hitting this button causes current DG to be backed up to the database connected to DG builder.
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This button updates the JSON not the XML. The XML is what is used at run-time.
To the left of start is a beige rectangle. This is actually a button, when clicked a menu will appear.
Validate XML - makes sure the XML is valid. Generally I find this isn't as helpful as other XML validating tools because it doesn't have line highlighting. Sometimes it is easier to get the XML version of the DG and use another tool to perform this function. This option does not validate the XML against any schema.
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Close - closes the current pop-up menu
Service Logic Nodes
This page (fill in link)The page Service Logic Interpreter Nodes gives a brief description of each node, but does not cover the plugins.
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Continue the tutorial by creating Your First Graph