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34 lines
1.0 KiB
Nix
34 lines
1.0 KiB
Nix
{ lib }:
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let
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# Default MAC address to station number mapping
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defaultHostmap = {
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"00:e0:4c:46:0b:32" = "1";
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"00:e0:4c:46:07:26" = "2";
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"00:e0:4c:46:05:94" = "3";
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"00:e0:4c:46:07:11" = "4";
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"00:e0:4c:46:08:02" = "5";
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"00:e0:4c:46:08:5c" = "6";
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};
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# macCaseBuilder: builds a shell case statement from a hostmap
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# Parameters:
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# varName: the shell variable to assign
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# prefix: optional string to prepend to the value (default: "")
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# hostmap: optional attribute set to use (default: built-in hostmap)
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#
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# Example:
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# macCaseBuilder { varName = "STATION"; prefix = "nix-"; }
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# # Generates case statements like: 00:e0:4c:46:0b:32) STATION=nix-1 ;;
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builder =
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{
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varName,
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prefix ? "",
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hostmap ? defaultHostmap,
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}:
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lib.concatStringsSep "\n" (
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lib.mapAttrsToList (mac: val: " ${mac}) ${varName}=${prefix}${val} ;;") hostmap
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);
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in
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# Export the builder function with hostmap as an accessible attribute
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lib.setFunctionArgs builder { } // { hostmap = defaultHostmap; }
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