embark/lib/processes/storageProcesses/ipfs.js

65 lines
1.8 KiB
JavaScript

const child_process = require('child_process');
const ProcessWrapper = require('../../process/processWrapper');
const constants = require('../../constants');
let ipfsProcess; // eslint-disable-line no-unused-vars
class IPFSProcess extends ProcessWrapper {
constructor(_options) {
super();
this.checkIPFSVersion();
this.startIPFSDaemon();
}
checkIPFSVersion() {
child_process.exec('ipfs --version', {silent: true}, (err, stdout, _stderr) => {
if (err) {
console.error(err);
return;
}
const match = stdout.match(/[0-9]+\.[0-9]+\.[0-9]+/);
if (match[0]) {
const versions = match[0].split('.');
if (versions[0] <= 0 && versions[1] <= 4 && versions[2] <= 14) {
console.error(`You are using IPFS version ${match[0]} which has an issue with processes.`);
console.error(`Please update to IPFS version 0.4.15 or more recent: https://github.com/ipfs/ipfs-update`);
}
}
});
}
startIPFSDaemon() {
const self = this;
const child = child_process.spawn('ipfs', ['daemon']);
child.on('error', (err) => {
err = err.toString();
console.error('IPFS error: ', err);
});
child.stderr.on('data', (data) => {
data = data.toString();
console.log(`IPFS error: ${data}`);
});
child.stdout.on('data', (data) => {
data = data.toString();
if (!self.readyCalled && data.indexOf('Daemon is ready') > -1) {
self.readyCalled = true;
self.send({result: constants.storage.initiated});
}
console.log('IPFS: ' + data);
});
child.on('exit', (code) => {
if (code) {
console.error('IPFS exited with error code ' + code);
}
});
}
}
process.on('message', (msg) => {
if (msg.action === constants.storage.init) {
ipfsProcess = new IPFSProcess(msg.options);
}
});