feat(xo-server/rest-api): expose backup logs (#6711)

CHANGELOG.unreleased.md

@@ -12,6 +12,7 @@
 > Users must be able to say: “I had this issue, happy to know it's fixed”
 
 - [Backup/Restore] Fix restore via a proxy showing as interupted (PR [#6702](https://github.com/vatesfr/xen-orchestra/pull/6702))
+- [REST API] Backup logs are now available at `/rest/v0/backups/logs`
 
 ### Packages to release
 
@@ -30,7 +31,7 @@
 <!--packages-start-->
 
 - @xen-orchestra/backups minor
-- xo-server patch
+- xo-server minor
 - xo-web patch
 
 <!--packages-end-->

packages/xo-server/src/xo-mixins/rest-api.mjs

@@ -119,6 +119,9 @@ export default class RestApi {
       })
     )
 
+    collections.backups = { id: 'backups' }
+    collections.restore = { id: 'restore' }
+
     collections.vms.actions = {
       __proto__: null,
 
@@ -159,6 +162,34 @@ export default class RestApi {
     })
 
     api.get('/', (req, res) => sendObjects(collections, req, res))
+
+    api
+      .get(['/backups', '/restore'], (req, res) => {
+        sendObjects([{ id: 'logs' }], req, res)
+      })
+      .get(
+        '/backups/logs',
+        wrap(async (req, res) => {
+          const logs = await app.getBackupNgLogsSorted({
+            filter: ({ message: m }) => m === 'backup' || m === 'metadata',
+          })
+          sendObjects(logs, req, res)
+        })
+      )
+      .get(
+        '/restore/logs',
+        wrap(async (req, res) => {
+          const logs = await app.getBackupNgLogsSorted({ filter: _ => _.message === 'restore' })
+          sendObjects(logs, req, res)
+        })
+      )
+      .get(
+        ['/backups/logs/:id', '/restore/logs/:id'],
+        wrap(async (req, res) => {
+          res.json(await app.getBackupNgLogs(req.params.id))
+        })
+      )
+
     api.get(
       '/:collection',
       wrap(async (req, res) => {