Functions-IO

FaaS Micro Framework

work in progress...

Minimalist FaaS framework for node.

Features

• Focus on high performance
• Input/Output with automatic validation
• Openapi/Swagger definition generated automatically

Installation

$ npm install functions-io

Usage

Create a subfolder in functions folder and generate package.json

$ npm init

example package.json

{
  "name": "sum",
  "version": "1.0.0",
  "description": "sum x + y",
  "main": "index.js"
}

create file index.js

module.input = {
    x:{type:"integer", required:true},
    y:{type:"integer", required:true}
};
module.output = {
    value:{type:"integer"}
};

module.exports = function(context, message, callBack){
    callBack(null, {value: message.x + message.y});
};

Start Server

var functionsio = require("functions-io");
var app = functionsio();

app.listen(8080);

swagger.json

http://localhost:8080/swagger.json

Catalog API (Openapi / Swagger)

http://localhost:8080/_admin/catalog

Admin

http://localhost:8080/_admin/stats

Test

http://localhost:8080/_admin/test

Options property

• path (default: functions)
• enableStatistics (default: true)
• enableSecurity (default: false)
• test
• • load (default: true)
• • executeOnStart (default: false)
• scan
• • automatic (default: true)
• • interval (default: 2000)
• cors
• • enable (default: false)
• • fromOrigin (default: *)
• html
• • static (default: static)
• db
• • provider (default: sys.db.provider.mongo)
• functions
• • sys.db.provider.mongo
• • • db
• • • • url (default: mongodb://localhost:27017/sample)

//example
var functionsio = require("functions-io");
var app = functionsio();

app.listen(8080);

• example file config.json

{
    "functions":{
        "sys.db.provider.mongo":{
            "db":{
                "url":"mongodb://localhost:27017/sample"
            }
        }
    }
}

• example file config.json

{
    "unitTest":{
        "load": true,
        "executeOnStart": false
    },
    "functions":{
        "sys.db.provider.mongo":{
            "db":{
                "url":"mongodb://localhost:27017/sample"
            }
        }
    }
}

• example file config.json

{
    "scan":{
        "automatic": true
    },
    "unitTest":{
        "load": true,
        "executeOnStart": false
    },
    "functions":{
        "sys.db.provider.mongo":{
            "db":{
                "url":"mongodb://localhost:27017/sample"
            }
        }
    }
}

• example file config.json

{
    "scan":{
        "automatic": true
    },
    "unitTest":{
        "load": true,
        "executeOnStart": false
    },
    "global":{
        "db":{
            "provider":"sys.db.provider.myprovider"
        }
    }
}

curl -XPOST http://localhost:8080 -H "content-type:application/json" -d '{"jsonrpc":"2.0","method":"security.login","params": {"email":"[email protected]", "password":"123"} }' -v

curl -XPOST http://localhost:8080 -H "content-type:application/json" -H "authorization:bearer " -d '{"jsonrpc":"2.0","scope":"functions-io-labs","method":"math.sum","version":"2.0.0","params": [2,4]}' -v