Add backup cronjob

api/cron-job/update-signatures.js

@@ -2,6 +2,7 @@
 
 const cron = require('cron');
 const async = require('async');
+const {exec} = require('child_process');
 const UserModel = require('../models/user');
 const signatureTool = require('../signature-tool/signature-tool');
 
@@ -41,10 +42,28 @@ const createAllSignatures = () => {
 
 };
 
+const createBackup = () => {
+  console.log('\x1b[35m%s\x1b[0m', new Date().toLocaleString()
+    + ': cron job started - CREATE BACKUP');
+  exec(__dirname + '/../../backup/backup.sh', (error, stdout, stderr) => {
+    if (error) {
+      console.log(error);
+    }
+    console.log('\x1b[32m%s\x1b[0m',stderr);
+    console.log('\x1b[35m%s\x1b[0m', new Date().toLocaleString()
+      + ': cron job finished - CREATE BACKUP');
+  })
+};
+
+
 // Execute daily @ 02:30 AM
-const cronJob = cron.job('00 30 02 * * *', createAllSignatures);
+const cronJobSignature = cron.job('00 30 02 * * *', createAllSignatures);
+
+// Execute daily @ 04:00 AM
+const cronJobBackup = cron.job('00 00 04 * * *', createBackup);
 
 module.exports = {
-  cronJob: cronJob,
+  cronJobSignature: cronJobSignature,
+  cronJobBackup: cronJobBackup,
   createAllSignatures: createAllSignatures
 };

api/routes/wars.js

@@ -8,7 +8,7 @@ const express = require('express');
 const multer = require('multer');
 const storage = multer.memoryStorage();
 const upload = multer({storage: storage});
-const logger = require('debug')('cc:squads');
+const logger = require('debug')('cc:wars');
 
 // HTTP status codes by name
 const codes = require('./http-codes');

api/server.js

@@ -15,9 +15,10 @@ const urls = require('./config/api-url');
 const restAPIchecks = require('./middleware/request-checks.js');
 const errorResponseWare = require('./middleware/error-response');
 const apiAuthenticationMiddleware = require('./middleware/auth-middleware');
-const checkSql = require('./middleware/permission-check').checkSql;
 const checkAdmin = require('./middleware/permission-check').checkAdmin;
-const signatureCronJob = require('./cron-job/update-signatures').cronJob;
+const signatureCronJob = require('./cron-job/update-signatures').cronJobSignature;
+const backupCronJob = require('./cron-job/update-signatures').cronJobBackup;
+
 
 // router modules
 const authenticateRouter = require('./routes/authenticate');
@@ -110,6 +111,7 @@ if (process.env.NODE_ENV !== config.test.env) {
     else {
       debug('Listening on port ' + config.port);
       signatureCronJob.start();
+      backupCronJob.start();
     }
   });
 } else {

backup/backup.sh

@@ -1,4 +1,17 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+# execute script in its location folder
+cd $(dirname $0)
+
+deleteOldest() {
+  line_num=0
+  while IFS=  read -r -d $'\0'; do
+      if [ $line_num == 1 ]; then
+        $(rm -rf ${REPLY})
+      fi
+      ((line_num++))
+  done < <(find -maxdepth 1 -type d -print0 | sort -z)
+}
 
 # array of available collection names
 col=(app_user awarding decoration rank squad user promotion player war)
@@ -10,6 +23,9 @@ do
     then
       mongoexport --db cc --collection $i --out $(date '+%Y-%m-%d')/collections/${i}.json;
       cp -R ../api/resource $(date '+%Y-%m-%d')/
+      if [ $(ls -l | grep -c ^d) -gt 5 ]; then
+        deleteOldest
+      fi
     else
       mongoimport --db cc --collection $i --drop --file ${1}/collections/${i}.json
       rm -rf ../api/resource