fix parallel running issue

Author: jatinkatyal13

src/taskmaster.ts

@@ -5,6 +5,7 @@ import {Connection} from 'amqplib/callback_api'
 import { execute } from './tasks'
 import config = require('../config.js')
 import { SubmitJob, RunJob } from 'tasks/job';
+import { mkdir } from 'shelljs'
 
 // =============== Setup Raven
 Raven.config(config.SENTRY.DSN, {
@@ -17,6 +18,8 @@ Raven.config(config.SENTRY.DSN, {
 let jobQ = 'job_queue'
 let successQ = 'success_queue'
 
+mkdir('-p', config.RUNBOX.DIR)
+
 amqp.connect(`amqp://${config.AMQP.USER}:${config.AMQP.PASS}@${config.AMQP.HOST}:${config.AMQP.PORT}`, (err, connection: Connection) => {
   if (err) throw err
 

src/tasks/index.ts

@@ -11,8 +11,6 @@ export function execute(job: RunJob): Promise<RunResult>
 export function execute(job: SubmitJob): Promise<SubmissionResult>
 export async function execute (job: Job) {
   // Create RUNBOX  
-  rm('-rf', config.RUNBOX.DIR)
-  mkdir('-p', config.RUNBOX.DIR)
   const currentJobDir = path.join(config.RUNBOX.DIR, job.id.toString())
   mkdir('-p', currentJobDir)