add uptime to vps stats

sdbs_infra/dashboard/views.py

@@ -1,6 +1,8 @@
+import time
+
 import psutil
 from django.views.generic import TemplateView
-from humanize import naturalsize
+from humanize import naturalsize, naturaldelta
 
 from sdbs_infra.dashboard.models import Service
 
@@ -31,4 +33,8 @@ class IndexView(TemplateView):
             f"<em>DISK:</em> {naturalsize(disk.used)}/{naturalsize(disk.total)} ({disk.percent}% USED)"
         )
 
+        stats.append(
+            f"<em>UPTIME:</em> {naturaldelta(time.time() - psutil.boot_time())}"
+        )
+
         return " / ".join(stats)