more generator wip

flake.nix

@@ -174,6 +174,6 @@
 
       formatter = pkgs.alejandra;
 
-      #packages.snmp-yaml = pkgs.callPackage ./packages/snmp-yaml {};
+      packages.snmp-yaml = pkgs.callPackage ./packages/snmp-yaml {};
     });
 }

packages/snmp-yaml/README.md

@@ -0,0 +1,8 @@
+How to upgrade snmp.yml
+
+1. Extend generator.yml from the upstream generator.yml in snmp_exporter/generator/generator.yml
+2. Generate snmp.yml:
+
+    snmp_exporter/generator$ make mibs
+    packages/snmp-yaml $ MIBDIRS=$HOME/code/snmp_exporter/generator/mibs /nix/store/wmymig1r9jfiaffbdpv1lyaj32rydbzc-snmp_exporter-0.21.0/bin/generator generate
+

packages/snmp-yaml/default.nix

@@ -1,16 +1,19 @@
 {
   stdenv,
   pkgs,
+  prometheus-snmp-exporter,
 }:
 stdenv.mkDerivation {
   name = "snmp-yaml";
+  inherit (prometheus-snmp-exporter) version src;
 
-  buildInputs = [pkgs.prometheus-snmp-exporter];
+  buildInputs = [prometheus-snmp-exporter];
 
-  installPhase = ''
+  buildPhase = ''
     mkdir -p $out
-    ${pkgs.prometheus-snmp-exporter}/bin/generator generate \
-        ${pkgs.prometheus-snmp-exporter}/generator/generator.yaml \
+    set -x
+    cd $src/generator
+    ${prometheus-snmp-exporter}/bin/generator generate \
         --output-path=$out/snmp.yml
   '';
 }

packages/snmp-yaml/generator.yml

@@ -0,0 +1,50 @@
+modules:
+  # Default IF-MIB interfaces table with ifIndex.
+  if_mib:
+    walk: [sysUpTime, interfaces, ifXTable]
+    lookups:
+      - source_indexes: [ifIndex]
+        lookup: ifAlias
+      - source_indexes: [ifIndex]
+        # Uis OID to avoid conflict with PaloAlto PAN-COMMON-MIB.
+        lookup: 1.3.6.1.2.1.2.2.1.2 # ifDescr
+      - source_indexes: [ifIndex]
+        # Use OID to avoid conflict with Netscaler NS-ROOT-MIB.
+        lookup: 1.3.6.1.2.1.31.1.1.1.1 # ifName
+    overrides:
+      ifAlias:
+        ignore: true # Lookup metric
+      ifDescr:
+        ignore: true # Lookup metric
+      ifName:
+        ignore: true # Lookup metric
+      ifType:
+        type: EnumAsInfo
+
+# Mikrotik Router
+#
+# http://download2.mikrotik.com/Mikrotik.mib
+  mikrotik:
+    walk:
+      - interfaces
+      - ifMIB
+      - laIndex
+      - sysUpTime
+      - sysDescr
+      - host
+      - mikrotik
+    lookups:
+      - source_indexes: [ifIndex]
+        lookup: ifName
+      - source_indexes: [mtxrInterfaceStatsIndex]
+        lookup: ifName
+      - source_indexes: [hrStorageIndex]
+        lookup: hrStorageDescr
+      - source_indexes: [laIndex]
+        lookup: laNames
+        drop_source_indexes: true
+    overrides:
+      ifName:
+        ignore: true # Lookup metric
+      ifType:
+        type: EnumAsInfo

packages/snmp-yaml/mibs/default.nix

@@ -1,35 +0,0 @@
-{
-  stdenv,
-  graphicsmagick,
-  runCommand,
-  sunpaper,
-}: let
-  # Upper left corner of rectangle.
-  base.x = 3835;
-  base.y = 35;
-  # Add 720p to the coordinates to find the lower right corner.
-  rect.xy0 = "${toString base.x},${toString base.y}";
-  rect.xy1 = "${toString (base.x + 1280)},${toString (base.y + 720)}";
-  # Add some pixels to the base coordinates to place the text nicely.
-  text.xy = "${toString (base.x + 1115)},${toString (base.y + 60)}";
-in
-  stdenv.mkDerivation {
-    pname = "sway-wallpaper";
-    inherit (sunpaper) version src;
-
-    installPhase = ''
-      mkdir -p $out
-
-      # Resize for normal background
-      ${graphicsmagick}/bin/gm convert -crop 7680x2160+0+375 -resize 5120x1440 ./images/Lakeside/5.jpg $out/default.jpg
-
-      # Resize a darker variation for screen locker
-      ${graphicsmagick}/bin/gm convert -crop 7680x2160+0+375 -resize 5120x1440 ./images/Lakeside/8.jpg $out/dark.jpg
-
-      # Draw a 720p rectangle on top
-      ${graphicsmagick}/bin/gm convert -fill '#FFFFFFBB' -draw 'rectangle ${rect.xy0} ${rect.xy1}' $out/default.jpg 720pfigure.jpg
-
-      # Draw a text on top of this
-      ${graphicsmagick}/bin/gm convert -fill '#FFFFFF' -pointsize 72 -draw 'text ${text.xy} "720p"' 720pfigure.jpg $out/720pfigure.jpg
-    '';
-  }