Expose Prometheus metrics at /metrics

[?]

Jun 10, 2021, 9:45 PM

QOV7KWRH2W7X2SC23A7FPXHUQHAAVAQ22TC4C3MBPDACZT73DAOQC

Dependencies

[2] 2SP37OH2 Send ETag and Expires headers
[3] 2G37UFZF flake: add TestPostgreSQL for per-test DBs
[4] MQLCUSZL Test the fake derivations channel, asserting nested packages are properly represented.
[5] S66BOMVU * Added authentication.
[6] U2ZK6LZ7 Fix some warnings
[7] YUND3DAA Disable access log
[8] XJRJ4J7M Add user registration
[*] RWNXH3H2 lastModified -> lastModifiedDate
[*] J5UVLXOK * Start of a basic Catalyst web interface.

Change contents

edit in flake.nix at line 69

[3.1481]

[3.1481]

license = with final.lib.licenses; [ artistic1 gpl1Plus ];
};
};

CatalystPluginPrometheusTiny = final.buildPerlPackage {
pname = "Catalyst-Plugin-PrometheusTiny";
version = "0.005";
src = final.fetchurl {
url = "mirror://cpan/authors/id/S/SY/SYSPETE/Catalyst-Plugin-PrometheusTiny-0.005.tar.gz";
sha256 = "a42ef09efdc3053899ae007c41220d3ed7207582cc86e491b4f534539c992c5a";
};
buildInputs = with final.perlPackages; [ HTTPMessage Plack SubOverride TestDeep ];
propagatedBuildInputs = with final.perlPackages; [ CatalystRuntime Moose PrometheusTiny PrometheusTinyShared ];
meta = {
description = "Prometheus metrics for Catalyst";
edit in flake.nix at line 376

[10.1574]

[10.1574]

CatalystPluginPrometheusTiny
replacement in src/lib/Hydra.pm at line 19

[5.3637]→[5.3637:3663](∅→∅)

Captcha/,

[5.4331]

[5.1473]

Captcha
PrometheusTiny/,
edit in src/lib/Hydra.pm at line 51

[2.7]

[2.7]

'Plugin::PrometheusTiny' => {
include_action_labels => 1,
},
file addition: metrics.t (----------)

[4.451]

use feature 'unicode_strings';
use strict;
use Setup;
use JSON qw(decode_json encode_json);

my %ctx = test_init();

require Hydra::Schema;
require Hydra::Model::DB;
require Hydra::Helper::Nix;
use HTTP::Request::Common;

use Test2::V0;
require Catalyst::Test;
Catalyst::Test->import('Hydra');

my $db = Hydra::Model::DB->new;
hydra_setup($db);

request(GET '/');
my $metrics = request(GET '/metrics');
ok($metrics->is_success);

like(
$metrics->content,
qr/http_requests_total\{action="index",code="200",controller="Hydra::Controller::Root",method="GET"\} 1/,
"Metrics are collected"
);

done_testing;