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refactor(ops): Break out prometheus-fail2ban-exporter module

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Break out the configuration for the prometheus fail2ban exporter, which
is a simple python script that exports stats from fail2ban as a
prometheus-scrapable textfile, from Mugwump into a reusable nixos module
in //ops/nixos/modules.

Change-Id: I5451c9c5de6c7bc4431150ae596a9c758bf1b693
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3136
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
This commit is contained in:
Griffin Smith 2021-05-23 13:58:24 +02:00 • committed by grfn
parent 8587bb5f67
commit 702594ca64
4 changed files with 72 additions and 35 deletions
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17
third_party/prometheus-fail2ban-exporter/default.nix vendored Normal file
View file

@ -0,0 +1,17 @@
{ pkgs, ... }:
let
script = pkgs.fetchurl {
url = "https://raw.githubusercontent.com/jangrewe/prometheus-fail2ban-exporter/11066950b47bb2dbef96ea8544f76e46ed829e81/fail2ban-exporter.py";
sha256 = "049lsvw1nj65bbvp8ygyz3743ayzdawrbjixaxmpm03qbrcfmwc4";
};
python = pkgs.python3.withPackages (p: [
p.prometheus_client
]);
in pkgs.writeShellScriptBin "prometheus-fail2ban-exporter" ''
set -eo pipefail
exec "${python}/bin/python" "${script}"
''