Get backup status (#40)

README.md

@@ -53,6 +53,7 @@ Set the following environment variables directly or by placing them in `.env` fi
 | `UPDATE_STATUS_FILE` | Path to update status file | `/statuses/update-status.json` |
 | `UPDATE_SIGNAL_FILE` | Path to write the update signal file | `/signals/update` |
 | `UPDATE_LOCK_FILE` | Path to the update lock file | `/statuses/update-in-progress` |
+| `BACKUP_STATUS_FILE` | Path to backup status file | `/statuses/backup-status.json` |
 
 ### Step 3. Run manager
 ```sh

logic/disk.js

@@ -126,6 +126,10 @@ function writeUpdateSignalFile() {
   return diskService.writeFile(constants.UPDATE_SIGNAL_FILE, 'true');
 }
 
+function readBackupStatusFile() {
+  return diskService.readJsonFile(constants.BACKUP_STATUS_FILE);
+}
+
 function readJWTPrivateKeyFile() {
   return diskService.readFile(constants.JWT_PRIVATE_KEY_FILE);
 }
@@ -208,6 +212,7 @@ module.exports = {
   writeUpdateSignalFile,
   updateSignalFileExists,
   updateLockFileExists,
+  readBackupStatusFile,
   readJWTPrivateKeyFile,
   readJWTPublicKeyFile,
   writeJWTPrivateKeyFile,

logic/system.js

@@ -136,6 +136,15 @@ async function startUpdate() {
     }
 }
 
+async function getBackupStatus() {
+    try {
+        const status = await diskLogic.readBackupStatusFile()
+        return status;
+    } catch (error) {
+        throw new NodeError('Unable to get backup status');
+    }
+}
+
 async function requestShutdown() {
     try {
         await diskLogic.shutdown();
@@ -163,6 +172,7 @@ module.exports = {
     getAvailableUpdate,
     getUpdateStatus,
     startUpdate,
+    getBackupStatus,
     requestShutdown,
     requestReboot
 };

routes/v1/system.js

@@ -44,6 +44,12 @@ router.post('/update', auth.jwt, safeHandler(async (req, res) => {
     return res.status(constants.STATUS_CODES.OK).json(status);
 }));
 
+router.get('/backup-status', safeHandler(async (req, res) => {
+    const backup = await systemLogic.getBackupStatus();
+
+    return res.status(constants.STATUS_CODES.OK).json(backup);
+}));
+
 router.post('/shutdown', auth.jwt, safeHandler(async (req, res) => {
     const result = await systemLogic.requestShutdown();
 

utils/const.js

@@ -17,6 +17,7 @@ module.exports = {
   UPDATE_STATUS_FILE: process.env.UPDATE_STATUS_FILE || '/statuses/update-status.json',
   UPDATE_SIGNAL_FILE: process.env.UPDATE_SIGNAL_FILE || '/signals/update',
   UPDATE_LOCK_FILE: process.env.UPDATE_LOCK_FILE || '/statuses/update-in-progress',
+  BACKUP_STATUS_FILE: process.env.BACKUP_STATUS_FILE || '/statuses/backup-status.json',
   STATUS_CODES: {
     ACCEPTED: 202,
     BAD_GATEWAY: 502,