Multiple Config in JSON for Node.js - node.js

Question

I am not sure what to title my question.
Its been a adventure with node.js and a helpful person pointed me to ioredis. Currently I have:
var Redis = require("ioredis");
const DBConfig = require(__dirname+'/../Config.json');
var cluster = new Redis.Cluster([
{
port: 6001,
host: "10.0.0.6",
},
{
port: 6002,
host: "10.0.0.5",
},
{
port: 6003,
host: "10.0.0.4",
},
{
port: 6004,
host: "10.0.0.3",
},
{
port: 6005,
host: "10.0.0.2",
},
{
port: 6006,
host: "10.0.0.1",
},
]);
But to me this seems it would be better in a json config file like...
Config.json:
{
"configA" : "abc",
"someotherconfigB" : "Stuff",
"foo" : "bar"
}
{
"port": 6001,
"host": "10.0.0.6",
},
{
"port": 6002,
"host": "10.0.0.5",
},
{
"port": 6003,
"host": "10.0.0.4",
},
{
"port": 6004,
"host": "10.0.0.3",
},
{
"port": 6005,
"host": "10.0.0.2",
},
{
"port": 6006,
"host": "10.0.0.1",
},
}
I am so new and this I just not sure how to implement this without syntax errors.
var Redis = require("ioredis");
const DBConfig = require(__dirname+'/../Config.json');
var cluster = new Redis.Cluster([DBConfig.redis]);
I am not sure how to implement "var cluster = new Redis.Cluster([DBConfig.redis]);" properly

Answer 1

You should declare those settings in as an array under a key
{
"configA" : "abc",
"someotherconfigB" : "Stuff",
"foo" : "bar",
"redisCluster": [
{
"port": 6001,
"host": "10.0.0.6"
},
{
"port": 6002,
"host": "10.0.0.5"
},
{
"port": 6003,
"host": "10.0.0.4"
}
]
}
Then use that key to access that value inside the required config file.
const DBConfig = require('../Config.json');
const cluster = new Redis.Cluster(DBConfig.redisCluster);

Answer 2

First, you need to have a proper config file. Your file seems to contain some config information and node information. I would suggest:
Config.json file:
{
"configs": {
"configA": "abc",
"someotherconfigB": "Stuff",
"foo": "bar"
},
"nodes": [
{
"port": 6001,
"host": "10.0.0.6"
},
{
"port": 6002,
"host": "10.0.0.5"
},
{
"port": 6003,
"host": "10.0.0.4"
},
{
"port": 6004,
"host": "10.0.0.3"
},
{
"port": 6005,
"host": "10.0.0.2"
},
{
"port": 6006,
"host": "10.0.0.1"
}
]
}
Then your file should look like:
const Redis = require('ioredis');
const DBConfig = require(__dirname + '/Config.json');
const cluster = new Redis.Cluster(DBConfig.nodes);
Object.entries(DBConfig.configs).map(([key, value]) => {
cluster.set(key, value);
});
DBConfig.nodes it's already an array. No need to put brackets around it
Object.entries(DBConfig.configs) will give you an array of [key, value] pairs of your DBConfig.configs's properties
Resources:
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries