ninwa/libs/cli.js

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const logger = require('./logger.js');
const spawn = require('child_process').spawn;
const sudo = require('sudo');
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async function execute(command, args, useSudo, returnOnClose) {
if (command === undefined || command.length === 0) {
return;
}
if (returnOnClose === undefined) {
returnOnClose = false;
}
let startTime = new Date().getTime();
let resultData = "";
let resultError = "";
command = command.trim();
let process;
if (useSudo) {
logger.debug('executing sudo command \'' + command + '\' (args: \'' + args + '\')...');
args.unshift(command);
process = sudo(args, { cachePassword: true, prompt: 'sudo password:' });
} else {
logger.debug('executing command \'' + command + '\' (args: \'' + args + '\')...');
process = spawn(command, args);
}
process.stdout.on('data', (data) => {
resultData += data;
});
process.stderr.on('data', (data) => {
resultError += data;
});
process.on('spawn', () => {
logger.info('spawned command \'' + command + '\' (args: \'' + args + '\')');
if (!returnOnClose) {
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return;
}
});
process.on('error', (err) => {
throw new Error(err);
});
process.on('close', (code) => {
let msg = 'command \'' + command + '\' (args: \'' + args + '\') finished with exit code ' + code + ' after ' + (new Date().getTime() - startTime) + 'ms';
if (resultData.length > 0) {
msg += " > data: " + resultData;
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}
if (resultError.length > 0) {
msg += " >>> error: " + resultError;
logger.error(msg)
return;
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}
logger.debug(msg);
if (returnOnClose) {
return;
}
});
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}
module.exports = {
execute
}