sdrweb: use dump1090 json dumps for adsb.html

hosts/containers/sdrweb/adsb.html

@@ -51,7 +51,7 @@
              var maxalt = 40000; /* Max altitude in the average case */
              var selected = (Selected == plane.hex);
 
-             b = 0.5 + (0.5*plane.altitude/maxalt);
+             b = 0.5 + (0.5 * plane.alt_baro / maxalt);
 
              /* As Icon we use the plane emoji, this is a simple solution but
                 is definitely a compromise: we expect the icon to be rotated
@@ -115,10 +115,10 @@
          }
 
          function fetchData() {
-             $.getJSON('/data.json', function(data) {
+             $.getJSON('/aircraft.json', function(data) {
                  var stillhere = {}
-                 for (var j=0; j < data.length; j++) {
-                     var plane = data[j];
+                 for (var j=0; j < data.aircraft.length; j++) {
+                     var plane = data.aircraft[j];
                      var marker = null;
                      stillhere[plane.hex] = true;
                      plane.flight = $.trim(plane.flight);
@@ -157,7 +157,7 @@
                          Planes[plane.hex] = plane;
                      }
                  }
-                 NumPlanes = data.length;
+                 NumPlanes = data.aircraft.length;
 
                  /* Remove idle planes. */
                  for (var p in Planes) {
@@ -171,7 +171,7 @@
                  refreshGeneralInfo();
 
              }).always(function() {
-                 setTimeout(fetchData, 500);
+                 setTimeout(fetchData, 1000);
              });
          }
 

hosts/containers/sdrweb/default.nix

@@ -40,8 +40,8 @@
           index index.html;
           charset utf-8;
         '';
-      locations."/data.json" = {
-        proxyPass = "http://${config.c3d2.hosts.radiobert.ip4}:8080/data.json";
+      locations."/aircraft.json" = {
+        proxyPass = "http://radiobert.serv.zentralwerk.org/aircraft.json";
       };
     };
   };

hosts/radiobert/adsb.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, ... }:
 
 let
   lat = "51.081";
@@ -69,25 +69,6 @@ in {
       verifyPeer = false;
     };
   };
-
-  users.users.sbs2json = {
-    isSystemUser = true;
-    group = "adsb";
-  };
-  systemd.services.sbs2json = {
-    wantedBy = [ "multi-user.target" ];
-    requires = [ "dump1090.service" ];
-    serviceConfig = {
-      ExecStart = "${pkgs.heliwatch.http-json}/bin/http-json";
-      User = "sbs2json";
-      Group = "adsb";
-      ProtectSystem = "full";
-      ProtectHome = true;
-      Restart = "always";
-      RestartSec = "10s";
-    };
-  };
-
   systemd.services.feed-chaos-consulting = {
     wantedBy = [ "multi-user.target" ];
     requires = [ "sbs2json.service" ];
@@ -136,6 +117,19 @@ in {
     Exec "${config.services.collectd.user}" "${pkgs.heliwatch.collectd-stats}/bin/collectd-stats"
   '';
 
+  # serve dump1090 json data via http
+  services.nginx = {
+    enable = true;
+    virtualHosts."radiobert.serv.zentralwerk.org" = {
+      default = true;
+      root = statsDir;
+      extraConfig = ''
+        autoindex on;
+      '';
+    };
+  };
+  systemd.services.nginx.serviceConfig.PrivateTmp = lib.mkForce false;
+
   environment.systemPackages = with pkgs; [
     dump1090
     #dump1090_rs