network: Add sessionStorage event informing about NetworkManager Checkpoint

Resolves: COCKPIT-1417

Author: rvykydal

pkg/networkmanager/interfaces.js

@@ -1667,6 +1667,9 @@ export function with_checkpoint(model, modify, options) {
                     return;
                 }
 
+                // Signal that a checkpoint is active for anaconda-webui
+                window.sessionStorage.setItem("cockpit_has_checkpoint", "true");
+
                 show_curtain();
                 modify()
                         .then(function () {
@@ -1678,7 +1681,12 @@ export function with_checkpoint(model, modify, options) {
                                                 action: syn_click(model, modify)
                                             });
                                         })
-                                        .finally(hide_curtain);
+                                        .finally(function() {
+                                            hide_curtain();
+
+                                            // Clear checkpoint status when done
+                                            window.sessionStorage.setItem("cockpit_has_checkpoint", "false");
+                                        });
                             }, settle_time * 1000);
                         })
                         .catch(function () {
@@ -1698,6 +1706,9 @@ export function with_checkpoint(model, modify, options) {
                                 manager.checkpoint_rollback(cp);
                             else
                                 manager.checkpoint_destroy(cp);
+
+                            // Clear checkpoint status on failure
+                            window.sessionStorage.setItem("cockpit_has_checkpoint", "false");
                         });
             });
 }