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node-red-contrib-mssql-storage-plugin

v0.1.1

Published

Node-RED Storage Plugin For Microsoft SQL Server

Downloads

16

Readme

Node Red Microsoft SQL Server Storage Plugin

This plugin allows you to store your flows and library entries in Microsoft SQL Server. Thanks to adibenmati whose MongoDb storage plugin served as a template to create this one.

Getting Started

For this one, you'll need a separate script to start your Node Red, as per the guide for running a custom Node-Red inside your process:

http://nodered.org/docs/embedding.html

Firstly, require the module:

npm install --save node-red-contrib-mssql-storage-plugin

Then, in your settings, add:

const storageModule = require('node-red-contrib-mssql-storage-plugin');
const sqlConfig = {
  user: 'sa',
  password: 'myPassword',
  server: 'SQL01',
  database: 'NodeRed',
  encrypt: true
};

// Node-RED settings
const settings = {
  ...
  storageModule,
  storageModuleOptions: {
    sqlConfig,
    //optional
    //set the collection name that the module would be using
    tableNames:{
      flows: 'NodeRedFlows',
      sessions: 'NodeRedSessions',
      credentials: 'NodeRedCredentials',
      settings: 'NodeRedSettings',
      library: 'NodeRedLibrary'
    }
  },
  ...
};

Note that for sqlConfig I recommend storing all of the values in your .env file instead of hardcoding them like above. Then your sqlConfig could just look like this:

const sqlConfig = {
  user: process.env.SQL_USER,
  password: process.env.SQL_PASSWORD,
  server: process.env.SQL_SERVER,
  database: process.env.SQL_DATABASE,
  encrypt: true
};

Lastly, you will need to create the tables by running the CreateTables.sql file against your database.

TODO

  1. I do not have the library functions working completely yet - you can save library entires but I haven't figured out what I am missing to recall them. PRs welcome!

Q&A

Q. Why the heck did you break this out into separate tables when you are primarily just deleting and inserting a single row?

A. Good question :) The reason I am doing it this way is because I am ultimately working on a structure here to allow flows to be broken up into pieces and secured by having multiple NodeRedFlows rows as a bit of a repository and use the admin API to overwrite the "working" version via a separate frontend. More to come on that.