feat: frontend back to working status

I am unsure about this solution: frontend writes to "additionalConfig"
but reads back from `config.dns` maintained by backend.

backend/services/network.js

@@ -22,13 +22,21 @@ async function getNetworkAdditionalData(data) {
   delete data.remoteTraceLevel;
   delete data.remoteTraceTarget;
 
-  let ad = { ...additionalData.value() };
+  //let ad = { ...additionalData.value() };
+  let ad_ = additionalData.value();
+  let ad = JSON.parse(JSON.stringify(ad_));
   data.dns = {
-    domain: ad.dnsDomain,
-    servers: ["pippo"],
+    domain: ad_.dnsDomain,
+    servers: [],
   };
-  if (ad.dnsIP) data.dns["servers"].push(ad.dnsIP);
-  console.log(`*** dns="${JSON.stringify(ad)}" -> ${JSON.stringify(data.dns)}`);
+  if (ad_.dnsIP) data.dns["servers"].push(ad_.dnsIP);
+  console.log(
+    `*** ad_="${JSON.stringify(ad_, null, 3)}" -> ad="${JSON.stringify(
+      ad,
+      null,
+      3
+    )}" -> ${JSON.stringify(data.dns, null, 3)}`
+  );
   delete ad.dnsIP;
   delete ad.dnsDomain;
   delete ad.dnsEnable;

backend/utils/zns.js

@@ -1,8 +1,8 @@
+const cp = require("child_process");
 const path = require("path");
 const fs = require("fs");
 
 const db = require("../utils/db");
-const cp = require("child_process");
 
 //TODO: does this kind of "optimization" make sense in Node.js?
 let token = null;
@@ -61,7 +61,7 @@ function startDNS(token, nwid, conf) {
               opts.push("-E", e);
               return true;
             } catch (e) {
-              console.warn(`    cannot execute (${e})`);
+              console.warn("    cannot execute");
               return false;
             }
           })
@@ -70,7 +70,7 @@ function startDNS(token, nwid, conf) {
           return;
         }
       }
-      opts.push("start", "-v", "-v");
+      opts.push("start");
       if (conf.hasOwnProperty("dnsWildcard") && conf.dnsWildcard) {
         opts.push("-w");
       }

frontend/src/components/NetworkSettings/NetworkSettings.jsx

@@ -120,7 +120,7 @@ function NetworkSettings({ network, setNetwork }) {
               />
               <Grid item>
                 <TextField
-                  value={network["dnsDomain"]}
+                  value={network["config"]["dns"]["domain"]}
                   onChange={handleChange("dnsDomain")}
                   label="Domain"
                   variant="filled"