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nixos/prometheus: add checkConfig

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Workaround for https://github.com/prometheus/prometheus/issues/5222
This commit is contained in:
Andrew Childs 2019-11-17 14:35:33 +09:00 committed by Alyssa Ross
parent e271476a4e
commit 01f03f30db
1 changed files with 21 additions and 6 deletions
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27
nixos/modules/services/monitoring/prometheus/default.nix
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@ -9,12 +9,13 @@ let
# a wrapper that verifies that the configuration is valid # a wrapper that verifies that the configuration is valid
promtoolCheck = what: name: file: promtoolCheck = what: name: file:
pkgs.runCommand if cfg.checkConfig then
"${name}-${replaceStrings [" "] [""] what}-checked" pkgs.runCommand
{ buildInputs = [ cfg.package ]; } '' "${name}-${replaceStrings [" "] [""] what}-checked"
ln -s ${file} $out { buildInputs = [ cfg.package ]; } ''
promtool ${what} $out ln -s ${file} $out
''; promtool ${what} $out
'' else file;
# Pretty-print JSON to a file # Pretty-print JSON to a file
writePrettyJSON = name: x: writePrettyJSON = name: x:
@ -601,6 +602,20 @@ in {
if Prometheus is served via a reverse proxy). if Prometheus is served via a reverse proxy).
''; '';
}; };
checkConfig = mkOption {
type = types.bool;
default = true;
description = ''
Check configuration with <literal>promtool
check</literal>. The call to <literal>promtool</literal> is
subject to sandboxing by Nix. When credentials are stored in
external files (<literal>password_file</literal>,
<literal>bearer_token_file</literal>, etc), they will not be
visible to <literal>promtool</literal> and it will report
errors, despite a correct configuration.
'';
};
}; };
config = mkIf cfg.enable { config = mkIf cfg.enable {