Add an ability to enable/disable nscd (#3652)

server/client.js

@@ -147,15 +147,18 @@ async function sendAPIKeyList(socket) {
 async function sendInfo(socket, hideVersion = false) {
     let version;
     let latestVersion;
+    let isContainer;
 
     if (!hideVersion) {
         version = checkVersion.version;
         latestVersion = checkVersion.latestVersion;
+        isContainer = (process.env.UPTIME_KUMA_IS_CONTAINER === "1");
     }
 
     socket.emit("info", {
         version,
         latestVersion,
+        isContainer,
         primaryBaseURL: await setting("primaryBaseURL"),
         serverTimezone: await server.getTimezone(),
         serverTimezoneOffset: server.getTimezoneOffset(),

server/server.js

@@ -1194,6 +1194,7 @@ let needSetup = false;
                 }
 
                 const previousChromeExecutable = await Settings.get("chromeExecutable");
+                const previousNSCDStatus = await Settings.get("nscd");
 
                 await setSettings("general", data);
                 server.entryPage = data.entryPage;
@@ -1211,6 +1212,15 @@ let needSetup = false;
                     await resetChrome();
                 }
 
+                // Update nscd status
+                if (previousNSCDStatus !== data.nscd) {
+                    if (data.nscd) {
+                        server.startNSCDServices();
+                    } else {
+                        server.stopNSCDServices();
+                    }
+                }
+
                 callback({
                     ok: true,
                     msg: "Saved"

server/uptime-kuma-server.js

@@ -341,7 +341,11 @@ class UptimeKumaServer {
      * @returns {Promise<void>}
      */
     async start() {
-        this.startServices();
+        let enable = await Settings.get("nscd");
+
+        if (enable || enable === null) {
+            this.startNSCDServices();
+        }
     }
 
     /**
@@ -349,14 +353,18 @@ class UptimeKumaServer {
      * @returns {Promise<void>}
      */
     async stop() {
-        this.stopServices();
+        let enable = await Settings.get("nscd");
+
+        if (enable || enable === null) {
+            this.stopNSCDServices();
+        }
     }
 
     /**
      * Start all system services (e.g. nscd)
      * For now, only used in Docker
      */
-    startServices() {
+    startNSCDServices() {
         if (process.env.UPTIME_KUMA_IS_CONTAINER) {
             try {
                 log.info("services", "Starting nscd");
@@ -370,7 +378,7 @@ class UptimeKumaServer {
     /**
      * Stop all system services
      */
-    stopServices() {
+    stopNSCDServices() {
         if (process.env.UPTIME_KUMA_IS_CONTAINER) {
             try {
                 log.info("services", "Stopping nscd");