updates

server/remote-health-json

@@ -62,7 +62,26 @@ for directory in ('/', '/backup'):
 systemctl = run(['systemctl', '--failed', '--no-legend', '--plain'])
 if systemctl is not None:
     failed = [line for line in systemctl.stdout.splitlines() if line.strip()]
-    check('Services', 'Failed systemd units', 'fail' if failed else 'ok',
+    # Firmware metadata refresh is noncritical.
+    # Any other failed systemd unit remains critical.
+    optional_units = {'fwupd-refresh.service'}
+
+    failed_names = [
+        line.split()[0].lstrip('●')
+        for line in failed
+        if line.split()
+    ]
+
+    if not failed:
+        severity = 'ok'
+    elif failed_names and all(
+        unit in optional_units for unit in failed_names
+    ):
+        severity = 'warn'
+    else:
+        severity = 'fail'
+
+    check('Services', 'Failed systemd units', severity,
           ', '.join(failed[:5]) if failed else 'None')
 
 if shutil.which('docker'):