systemd: parse static machines list, render placeholders (step 3)

plugin/src/modules_service.rs

@@ -101,9 +101,10 @@ pub mod qobject {
         #[qproperty(bool, dock_applet_mpris, cxx_name = "dockAppletMpris")]
         #[qproperty(bool, dock_applet_notifications, cxx_name = "dockAppletNotifications")]
         #[qproperty(bool, dock_applet_power, cxx_name = "dockAppletPower")]
-        // Unified systemd bar module (covers local + nspawn containers, and later remotes).
+        // Unified systemd bar module (covers local + nspawn containers + remotes).
         #[qproperty(bool, systemd_enable, cxx_name = "systemdEnable")]
         #[qproperty(i32, systemd_interval, cxx_name = "systemdInterval")]
+        #[qproperty(QList_QString, systemd_machines, cxx_name = "systemdMachines")]
         type ModulesService = super::ModulesServiceRust;
     }
 
@@ -443,6 +444,34 @@ mod data {
         }
     }
 
+    // Systemd-bar group: enable + poll interval + remote SSH targets. Each
+    // `machines` entry is a string like "host" or "user@host"; the local
+    // machine is deduped by hostname even if listed.
+    #[derive(Deserialize, Debug)]
+    #[serde(rename_all = "camelCase")]
+    pub struct Systemd {
+        #[serde(default = "t")]
+        pub enable: bool,
+        #[serde(default = "Systemd::d_interval")]
+        pub interval: i32,
+        #[serde(default)]
+        pub machines: Vec<String>,
+    }
+    impl Systemd {
+        fn d_interval() -> i32 {
+            15_000
+        }
+    }
+    impl Default for Systemd {
+        fn default() -> Self {
+            Self {
+                enable: true,
+                interval: Self::d_interval(),
+                machines: Vec::new(),
+            }
+        }
+    }
+
     #[derive(Deserialize, Debug)]
     #[serde(rename_all = "camelCase")]
     pub struct StatsDaemon {
@@ -518,7 +547,7 @@ mod data {
         #[serde(default)]
         pub dock: Dock,
         #[serde(default)]
-        pub systemd: WithInterval,
+        pub systemd: Systemd,
         #[serde(default)]
         pub stats_daemon: StatsDaemon,
     }
@@ -595,6 +624,7 @@ pub struct ModulesServiceRust {
     dock_applet_power: bool,
     systemd_enable: bool,
     systemd_interval: i32,
+    systemd_machines: QList<QString>,
 }
 
 impl Default for ModulesServiceRust {
@@ -678,6 +708,13 @@ impl ModulesServiceRust {
             dock_applet_power: d.dock.applets.power,
             systemd_enable: d.systemd.enable,
             systemd_interval: d.systemd.interval,
+            systemd_machines: {
+                let mut list = QList::<QString>::default();
+                for s in &d.systemd.machines {
+                    list.append(QString::from(s.as_str()));
+                }
+                list
+            },
         }
     }
 }
@@ -691,6 +728,10 @@ pub(crate) fn config_path(file: &str) -> PathBuf {
     base.join("nova-shell").join(file)
 }
 
+pub(crate) fn load_systemd_machines() -> Vec<String> {
+    load_modules_data().systemd.machines
+}
+
 fn load_modules_data() -> ModulesData {
     let path = config_path("modules.json");
     let raw = match std::fs::read_to_string(&path) {

plugin/src/systemd_service.rs

@@ -6,6 +6,7 @@
 // to require QuickControls2.prl files that nixpkgs strips. Switch to
 // QList<QVariantMap> when a release ships with both fixes.
 
+use crate::modules_service;
 use core::pin::Pin;
 use cxx_qt_lib::QString;
 use serde::Serialize;
@@ -270,6 +271,28 @@ impl qobject::SystemdService {
             });
         }
 
+        // Configured remote machines (placeholders; transport lands in step 4).
+        // Dedup local: drop entries matching the local hostname or `localhost`,
+        // with or without a `user@` prefix.
+        let host = read_hostname();
+        let cfg_machines = modules_service::load_systemd_machines();
+        for target in cfg_machines {
+            let host_part = target.rsplit_once('@').map_or(target.as_str(), |(_, h)| h);
+            if host_part == host || host_part == "localhost" {
+                continue;
+            }
+            all_machines.push(MachineJson {
+                name: target.clone(),
+                is_local: false,
+                marker: String::new(),
+                system_state: "pending".into(),
+                running_count: 0,
+                total_count: 0,
+                failed_units: Vec::new(),
+                running_units: Vec::new(),
+            });
+        }
+
         let machines_json = serde_json::to_string(&all_machines).unwrap_or_else(|_| "[]".into());
 
         self.as_mut().set_failed_count(local_failed_count);

shell/applets/SystemdMachineSection.qml

@@ -91,6 +91,8 @@ Column {
                     return NS.ThemeService.base0B;
                 if (st === "degraded")
                     return NS.ThemeService.base0A;
+                if (st === "pending")
+                    return NS.ThemeService.base04;
                 return NS.ThemeService.base08;
             }
             opacity: 0.85