feat(topology): add interface port labels

topology/nixos/extractors/services.nix

@@ -5,10 +5,17 @@
 }: let
   inherit
     (lib)
+    attrNames
+    concatLines
     concatStringsSep
+    flatten
+    flip
+    mapAttrsToList
     mkDefault
     mkEnableOption
     mkIf
+    optional
+    replaceStrings
     ;
 in {
   options.topology.extractors.services.enable = mkEnableOption "topology service extractor" // {default = true;};
@@ -42,6 +49,22 @@ in {
     nginx = mkIf config.services.nginx.enable {
       name = "NGINX";
       icon = "services.nginx";
+      details.reverse = let
+        lines = flatten (flip mapAttrsToList config.services.nginx.virtualHosts (
+          server: vh:
+            flip mapAttrsToList vh.locations (
+              path: location: let
+                upstreamName = replaceStrings ["http://" "https://"] ["" ""] location.proxyPass;
+                passTo =
+                  if config.services.nginx.upstreams ? ${upstreamName}
+                  then toString (attrNames config.services.nginx.upstreams.${upstreamName}.servers)
+                  else location.proxyPass;
+              in
+                optional (path == "/" && location.proxyPass != null) "${server} -> ${passTo}"
+            )
+        ));
+      in
+        mkIf (lines != []) {text = concatLines lines;};
     };
 
     radicale = mkIf config.services.radicale.enable {
@@ -57,6 +80,7 @@ in {
     oauth2_proxy = mkIf config.services.oauth2_proxy.enable {
       name = "OAuth2 Proxy";
       icon = "services.oauth2-proxy";
+      info = config.services.oauth2_proxy.httpAddress;
     };
 
     openssh = mkIf config.services.openssh.enable {

topology/topology/renderers/d2/default.nix

@@ -1,25 +0,0 @@
-{
-  lib,
-  pkgs,
-  ...
-} @ args: let
-  inherit
-    (lib)
-    mkOption
-    types
-    ;
-in {
-  options.renderers.d2 = {
-    output = mkOption {
-      description = "The derivation containing the rendered output";
-      type = types.path;
-      readOnly = true;
-    };
-  };
-
-  config.renderers.d2.output = pkgs.runCommand "topology-d2" {} ''
-    mkdir -p $out
-    # cp ${import ./network.nix args} $out/network.d2
-    ln -s ${import ./network.nix args} $out/svgs
-  '';
-}

topology/topology/renderers/d2/network.nix

@@ -1,51 +0,0 @@
-{
-  lib,
-  config,
-  pkgs,
-  ...
-}: let
-  inherit
-    (lib)
-    any
-    attrValues
-    concatLines
-    flip
-    optionalString
-    ;
-
-  netToD2 = net: ''
-    net_${net.id}: ${net.name} {
-      info: |md
-      ${net.cidrv4}
-      ${net.cidrv6}
-      |
-    }
-  '';
-
-  nodeInterfaceToD2 = node: interface:
-    concatLines (flip map interface.physicalConnections (x:
-      optionalString (
-        (!any (y: y.node == node.id && y.interface == interface.id) config.nodes.${x.node}.interfaces.${x.interface}.physicalConnections)
-        || (node.id < x.node)
-      )
-      ''
-        node_${node.id} -- node_${x.node}: "" {
-          source-arrowhead.label: ${interface.id}
-          target-arrowhead.label: ${x.interface}
-        }
-      ''));
-
-  nodeToD2 = node: ''
-    node_${node.id}: "" {
-      shape: image
-      width: 680
-      icon: ${config.lib.renderers.svg.node.mkPreferredRender node}
-    }
-
-    ${concatLines (map (nodeInterfaceToD2 node) (attrValues node.interfaces))}
-  '';
-in
-  pkgs.writeText "network.d2" ''
-    ${concatLines (map netToD2 (attrValues config.networks))}
-    ${concatLines (map nodeToD2 (attrValues config.nodes))}
-  ''

topology/topology/renderers/elk/default.nix

@@ -19,9 +19,10 @@
     mapAttrsToList
     mkOption
     optional
-    optionals
     optionalAttrs
+    optionals
     recursiveUpdate
+    stringLength
     types
     ;
 
@@ -71,16 +72,15 @@
       (optionalAttrs (node.preferredRenderType == "card") {
         children."node:${node.id}".ports."interface:${interface.id}" = {
           properties."port.side" = "WEST";
-          #x = 0;
-          #y = 82 + 42 * lib.lists.findFirstIndex (x: x == interface.id) 0 (builtins.attrNames node.interfaces); # FIXME: just pass index along in function call
           width = 8;
           height = 8;
-          # TODO: FIXME: not shown currently in svg
-          # labels.name = {
-          #   text = interface.id;
-          #   width = 33.0;
-          #   height = 15.0;
-          # };
+          style.stroke = "#70a5eb";
+          style.fill = "#74bee9";
+          labels.name = {
+            height = 12;
+            width = 7.5 * (stringLength interface.id);
+            text = interface.id;
+          };
         };
       })
     ]
@@ -104,6 +104,7 @@
             scale = 0.8;
           };
           properties."portConstraints" = "FIXED_SIDE";
+          properties."portLabels.placement" = "OUTSIDE";
         };
       }
     ]
@@ -112,6 +113,8 @@
         properties."port.side" = "EAST";
         width = 8;
         height = 8;
+        style.stroke = "#49d18d";
+        style.fill = "#78dba9";
       };
       edges."node:${node.parent}.ports.guests-to-node:${node.id}" = {
         sources = ["children.node:${node.parent}.ports.guests"];

topology/topology/renderers/svg/default.nix

@@ -1,15 +1,16 @@
 # TODO:
+# - ip labels on edges
+# - network centric view
+# - better layout for interfaces in svg
+# - sevice infos
 # - disks (from disko) + render
 # - hardware info (image small top and image big bottom and full (no card), maybe just image and render position)
-# - render router and other devices (card with interfaces, card with just image)
-# - render nodes with guests, guests in short form
-# - nginx proxy pass render, with upstream support
 # - more service info
 # - impermanence render?
+# - nixos nftables firewall render?
 # - stable pseudorandom colors from palette with no-reuse until necessary
 # - search todo and do
 # - podman / docker harvesting
-# - adjust device icon based on guest type
 # - nixos-container extractor
 {
   config,
@@ -310,6 +311,7 @@ in {
 
   config = {
     lib.renderers.svg = {
+      # FIXME: networks.mkOverview = renderHtmlToSvg html.networks.mkOverview "networks-overview";
       services.mkOverview = renderHtmlToSvg html.services.mkOverview "services-overview";
 
       node = {