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gitlab.tests: Improve test performance

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Massively reduce the time it takes running the test by building a
proper root disk image and increasing the virtualized core count to
4. This should make it much easier for the tests to pass even on
weaker systems.

With my laptop (AMD Ryzen 7 PRO 2700U) as the reference system, I see
the following test run times:

- No change:
  Times out after 28 mins

- Building a root image:
  7 mins, 48 secs

- Building a root image and bumping the core count:
  7 mins, 17 secs

The times include the time it takes to build the image
(~1 min, 20 secs).
This commit is contained in:
talyz 2021-10-06 11:41:16 +02:00 committed by Yuka
parent 2781f84bce
commit ed2497b405
1 changed files with 2 additions and 0 deletions
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2
nixos/tests/gitlab.nix
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@ -14,6 +14,8 @@ import ./make-test-python.nix ({ pkgs, lib, ...} : with lib; {
imports = [ common/user-account.nix ];
virtualisation.memorySize = if pkgs.stdenv.is64bit then 4096 else 2047;
virtualisation.cores = 4;
virtualisation.useNixStoreImage = true;
systemd.services.gitlab.serviceConfig.Restart = mkForce "no";
systemd.services.gitlab-workhorse.serviceConfig.Restart = mkForce "no";
systemd.services.gitaly.serviceConfig.Restart = mkForce "no";