Allow a server to be rebooted when a reboot is required

management/daemon.py

@@ -391,7 +391,6 @@ def ssl_provision_certs():
 def web_get_domains():
 	from web_update import get_web_domains_info
 	return json_response(get_web_domains_info(env))
-
 @app.route('/web/update', methods=['POST'])
 @authorized_personnel_only
 def web_update():
@@ -456,6 +455,23 @@ def do_updates():
 		"DEBIAN_FRONTEND": "noninteractive"
 	})
 
+@app.route('/system/reboot', methods=["GET"])
+@authorized_personnel_only
+def needs_reboot():
+	if os.path.isfile("/var/run/reboot-required"):
+		return json_response(True)
+	else:
+		return json_response(False)
+
+@app.route('/system/reboot', methods=["POST"])
+@authorized_personnel_only
+def do_reboot():
+	if os.path.isfile("/var/run/reboot-required"):
+		return utils.shell("check_output", ["/sbin/shutdown", "-r", "now"], capture_stderr=True)
+	else:
+		return "No reboot is required"
+
+
 @app.route('/system/backup/status')
 @authorized_personnel_only
 def backup_status():

management/templates/system-status.html

 <h2>System Status Checks</h2>
 
+<div id="system-reboot-required" style="display: none">
+  <button type="button" class="btn btn-danger" onclick="confirm_reboot(); return false;">Reboot required</button>
+</div>
+
 <style>
 #system-checks .heading td {
   font-weight: bold;
@@ -34,7 +38,10 @@
   font-family: monospace;
   white-space: pre-wrap;
 }
-
+#system-reboot-required {
+  max-width: 20em;
+  margin-bottom: 1em;
+}
 #system-privacy-setting {
   float: right;
   max-width: 20em;
@@ -47,7 +54,6 @@
 	<p style="line-height: 125%"><small>(When enabled, status checks phone-home to check for a new release of Mail-in-a-Box.)</small></p>
 </div>
 
-
 <table id="system-checks" class="table" style="max-width: 60em">
   <thead>
   </thead>
@@ -70,6 +76,14 @@ function show_system_status() {
       $('#system-privacy-setting p').toggle(r);
     });
 
+  api(
+    "/system/reboot",
+    "GET",
+    { },
+    function(r) {
+      $('#system-reboot-required').toggle(r);
+    });
+
   api(
     "/system/status",
     "POST",
@@ -122,4 +136,20 @@ function enable_privacy(status) {
     });
   return false; // disable link
 }
+
+function confirm_reboot() {
+  show_modal_confirm(
+    "Reboot server",
+    $("<p>This will reboot your server, until the server is fully restarted your users will not be able to send and receive email. The reboot can't be cancelled</p>"),
+    "Reboot now",
+    function() {
+      api(
+        "/system/reboot",
+        "POST",
+        { },
+        function(r) {
+          show_modal_error("Reboot", "Please refresh the page after a minute or so." + r);
+        });
+    });
+}
 </script>