32 lines
1 KiB
Nix
32 lines
1 KiB
Nix
{ inputs, lib, ... }:
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{
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environment.etc =
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let
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inputsWithDate = lib.filterAttrs (_: input: input ? lastModified) inputs.self.inputs;
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flakeAttrs = input: (lib.mapAttrsToList (n: v: ''${n}="${v}"'')
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(lib.filterAttrs (_: v: (builtins.typeOf v) == "string") input));
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lastModified = name: input: ''
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flake_input_last_modified{input="${name}",${lib.concatStringsSep "," (flakeAttrs input)}} ${toString input.lastModified}'';
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in
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{
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"flake-inputs.prom" = {
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text = builtins.unsafeDiscardStringContext ''
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# HELP flake_registry_last_modified Last modification date of flake input in unixtime
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# TYPE flake_input_last_modified gauge
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${lib.concatStringsSep "\n" (lib.mapAttrsToList lastModified inputsWithDate)}
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'';
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};
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};
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services.telegraf.extraConfig.inputs = {
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file = [
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{
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data_format = "prometheus";
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files = [ "/etc/flake-inputs.prom" ];
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}
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];
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prometheus = {
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metric_version = 2;
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};
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};
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}
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