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nixos/tests/prometheus-exporters: split into single tests

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Generates a set of tests, rather than one large test for all exporters.
This commit is contained in:
WilliButz 2019-05-31 22:01:27 +02:00
parent 6c7586228c
commit 7884354c0f
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GPG Key ID: 92582A10F1179CB2
1 changed files with 43 additions and 40 deletions
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83
nixos/tests/prometheus-exporters.nix
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@ -1,6 +1,13 @@
import ./make-test.nix ({ lib, pkgs, ... }:
{ system ? builtins.currentSystem
, config ? {}
, pkgs ? import ../.. { inherit system config; }
}:
with pkgs.lib;
with import ../lib/testing.nix { inherit system pkgs; };
let
escape' = str: lib.replaceChars [''"'' "$" "\n"] [''\\\"'' "\\$" ""] str;
escape' = str: replaceChars [''"'' "$" "\n"] [''\\\"'' "\\$" ""] str;
/*
* The attrset `exporterTests` contains one attribute
@ -51,6 +58,25 @@ let
exporterTests = {
bind = {
exporterConfig = {
enable = true;
};
metricProvider = {
services.bind.enable = true;
services.bind.extraConfig = ''
statistics-channels {
inet 127.0.0.1 port 8053 allow { localhost; };
};
'';
};
exporterTest = ''
waitForUnit("prometheus-bind-exporter.service");
waitForOpenPort(9119);
succeed("curl -sSf http://localhost:9119/metrics" | grep -q 'bind_query_recursions_total 0');
'';
};
blackbox = {
exporterConfig = {
enable = true;
@ -106,25 +132,6 @@ let
'';
};
bind = {
exporterConfig = {
enable = true;
};
metricProvider = {
services.bind.enable = true;
services.bind.extraConfig = ''
statistics-channels {
inet 127.0.0.1 port 8053 allow { localhost; };
};
'';
};
exporterTest = ''
waitForUnit("prometheus-bind-exporter.service");
waitForOpenPort(9119);
succeed("curl -sSf http://localhost:9119/metrics" | grep -q 'bind_query_recursions_total 0');
'';
};
dovecot = {
exporterConfig = {
enable = true;
@ -309,27 +316,23 @@ let
'';
};
};
nodes = lib.mapAttrs (exporter: testConfig: lib.mkMerge [{
services.prometheus.exporters.${exporter} = testConfig.exporterConfig;
} testConfig.metricProvider or {}]) exporterTests;
testScript = lib.concatStrings (lib.mapAttrsToList (exporter: testConfig: (''
subtest "${exporter}", sub {
${"$"+exporter}->start();
${lib.concatStringsSep " " (map (line: ''
${"$"+exporter}->${line};
'') (lib.splitString "\n" (lib.removeSuffix "\n" testConfig.exporterTest)))}
${"$"+exporter}->shutdown();
};
'')) exporterTests);
in
{
name = "prometheus-exporters";
mapAttrs (exporter: testConfig: (makeTest {
name = "prometheus-${exporter}-exporter";
inherit nodes testScript;
nodes.${exporter} = mkMerge [{
services.prometheus.exporters.${exporter} = testConfig.exporterConfig;
} testConfig.metricProvider or {}];
meta = with lib.maintainers; {
testScript = ''
${"$"+exporter}->start();
${concatStringsSep " " (map (line: ''
${"$"+exporter}->${line};
'') (splitString "\n" (removeSuffix "\n" testConfig.exporterTest)))}
${"$"+exporter}->shutdown();
'';
meta = with maintainers; {
maintainers = [ willibutz ];
};
})
})) exporterTests