Add route to list all blockdevices

src/cloudron.js

@@ -21,7 +21,9 @@ exports = module.exports = {
 
     updateDiskUsage,
 
-    runSystemChecks
+    runSystemChecks,
+
+    getBlockDevices
 };
 
 const apps = require('./apps.js'),
@@ -37,6 +39,7 @@ const apps = require('./apps.js'),
     dns = require('./dns.js'),
     dockerProxy = require('./dockerproxy.js'),
     eventlog = require('./eventlog.js'),
+    execSync = require('child_process').execSync,
     fs = require('fs'),
     LogStream = require('./log-stream.js'),
     mail = require('./mail.js'),
@@ -331,3 +334,28 @@ async function updateDiskUsage() {
     tasks.startTask(taskId, {});
     return taskId;
 }
+
+async function getBlockDevices() {
+    let info;
+
+    try {
+        info = JSON.parse(execSync('lsblk --paths --json --list --noempty', { encoding: 'utf8' }));
+    } catch (e) {
+        console.error('Failed to list disks:', e);
+        throw new BoxError(BoxError.INTERNAL_ERROR, e);
+    }
+
+    const devices = info.blockdevices;
+
+    debug(`getBlockDevices: Found ${devices.length} devices. ${devices.map(d => d.name).join(', ')}`);
+
+    // convert to fixed format
+    return devices.map(function (d) {
+        return {
+            path: d.name,
+            size: d.size,
+            type: d.type,
+            mountpoint: d.mountpoints[0] // we only support one mountpoint here
+        };
+    });
+}