This package has been deprecated in favor of node-red-contrib-openfaas

Node Red OpenFaaS

Call your OpenFaaS function from Node RED

Install

Setup OpenFaas as described on https://www.openfaas.com
add the node to your node-red installation, for example using node-red-admin CLI

node-red-admin install node-red-contrib-openfaas

Usage

Add the openfaas node and set your function name as in OpenFaas

Example: Markdown live viewer

This example will watch a file on your disk and render it with the func_markdown to a webpage at http://127.0.0.1:1880/markdown

Example

editor result

Usage

Change the Watch README.md filepath to a *.md file you want to edit and hit Deploy
Go to http://127.0.0.1:1880/markdown
Open the file you specified at first step and start editing, the webpage will show you the rendered output as you save

Flow source

Use the import tool in node-red to use the flow

[{"id":"c5875ece.dcc13","type":"openfaas","z":"825d97d4.f5a6b","name":"func_markdown","x":540,"y":240,"wires":[["7f9d2e99.7d416"]]},{"id":"d19c27de.ad9ee8","type":"http in","z":"825d97d4.f5a6b","name":"","url":"/markdown","method":"get","upload":false,"swaggerDoc":"","x":300,"y":60,"wires":[["581c020d.c68bac"]]},{"id":"3fd9cf17.fc844","type":"http response","z":"825d97d4.f5a6b","name":"","x":630,"y":60,"wires":[]},{"id":"9a0d4cd0.99fb7","type":"file in","z":"825d97d4.f5a6b","name":"Read file","filename":"","format":"utf8","chunk":false,"sendError":false,"x":400,"y":180,"wires":[["c5875ece.dcc13"]]},{"id":"8a8e7c4a.bb2ee","type":"watch","z":"825d97d4.f5a6b","name":"Watch README.md","files":"./node_modules/node-red-contrib-openfaas/README.md","recursive":"","x":130,"y":180,"wires":[["5c35876e.e82de8"]]},{"id":"7f9d2e99.7d416","type":"websocket out","z":"825d97d4.f5a6b","name":"","server":"a20f695c.ac4078","client":"","x":740,"y":180,"wires":[]},{"id":"581c020d.c68bac","type":"template","z":"825d97d4.f5a6b","name":"web page","field":"payload","fieldType":"msg","format":"html","syntax":"plain","template":"<html>\n <head>\n <title>Markdown live viewer</title>\n <link rel=\"stylesheet\" href=\"https://cdnjs.cloudflare.com/ajax/libs/github-markdown-css/2.9.0/github-markdown.min.css\" />\n </head>\n <body class=\"markdown-body\">\n <div id=\"markdown\">\n <h1>Waiting for updates</h1>\n <p>Start editing your file to see the changes</p>\n </div>\n <div><pre id=\"updated\"></pre></div>\n \n <script>\n var ws = new WebSocket(\"ws://127.0.0.1:1880/watchfile\");\n \n ws.onmessage = function(event) {\n \n var markdown = document.getElementById(\"markdown\");\n var updated = document.getElementById(\"updated\");\n \n var html = event.data;\n var updatedstr = \"Last update: \" + new Date().toLocaleTimeString();\n \n markdown.innerHTML = html\n updated.innerHTML = updatedstr\n \n };\n \n </script>\n </body>\n</html>","output":"str","x":480,"y":60,"wires":[["3fd9cf17.fc844"]]},{"id":"5c35876e.e82de8","type":"function","z":"825d97d4.f5a6b","name":"get filename","func":"\nmsg.filename = msg.payload\n\nreturn msg;","outputs":1,"noerr":0,"x":270,"y":240,"wires":[["9a0d4cd0.99fb7"]]},{"id":"a20f695c.ac4078","type":"websocket-listener","z":"","path":"/watchfile","wholemsg":"false"}]

TODO

Add URL and authentication as a config node
Use node-openfaas
Add a write & fire node to directly spawn function from nodered (implies build & deploy from CLI)

License

See LICENSE file