Running rails console command from nodejs

Question

Is it possible to spawn rails console from nodejs and then execute the script in rails console ?

const { spawn } = require('child_process');

const child_process = spawn('rails c');

child_process.stdout.on('data', function (data) {
  console.log('stdout', data.toString());
});

child_process.stderr.on('data', function (data) {
  console.log('stderr', data);
});

child_process.on('close', function (code) {
  console.log('close', code);
});

Upon opening the console, i wanted to execute this script in the rails console


user_id = 1624522827
Sharding.get_shard(user_id) do
  account = UserList::User.find(user_id).make_user
end

How to achieve this in nodejs. My intention is to create a cli that runs script inside rails console.

Marlin Pierce · Accepted Answer · 2021-07-16 17:22:46Z

2

I think what you want is rails runner instead of console. Either pass it a line of ruby code or a filename. It will run in the rails environment, not just the ruby irb environment.

answered Jul 16, 2021 at 17:22

Marlin Pierce

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nlta · Accepted Answer · 2021-07-16 20:13:18Z

0

The ruby console is for humans. I wouldn't try and pipe input into it.

A better idea is to use a rake task and then call that with

bundle exec rake task:subtask

guide for rake tasks

All your code should go in the rake task and then you can call it from nodejs using just the filepath.

answered Jul 16, 2021 at 20:13

nlta

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