nixos/tests/fluent-bit: add regression test for #395128 (#395625)

This commit is contained in:
Arian van Putten 2025-04-07 19:32:41 +02:00 committed by GitHub
commit a7424febee
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
2 changed files with 53 additions and 37 deletions

View file

@ -505,7 +505,7 @@ in
imports = [ ./firefox.nix ];
_module.args.firefoxPackage = pkgs.floorp;
};
fluent-bit = handleTest ./fluent-bit.nix { };
fluent-bit = runTest ./fluent-bit.nix;
fluentd = handleTest ./fluentd.nix { };
fluidd = handleTest ./fluidd.nix { };
fontconfig-default-fonts = handleTest ./fontconfig-default-fonts.nix { };

View file

@ -1,40 +1,56 @@
import ./make-test-python.nix (
{ lib, pkgs, ... }:
{
name = "fluent-bit";
nodes.machine =
{ config, pkgs, ... }:
{
services.fluent-bit = {
enable = true;
settings = {
pipeline = {
inputs = [
{
name = "systemd";
systemd_filter = "_SYSTEMD_UNIT=fluent-bit.service";
}
];
outputs = [
{
name = "file";
path = "/var/log/fluent-bit";
file = "fluent-bit.out";
}
];
};
};
# Regression test for https://github.com/NixOS/nixpkgs/pull/395128
{
name = "fluent-bit";
nodes.machine = {
services.fluent-bit = {
enable = true;
settings = {
pipeline = {
inputs = [
{
name = "systemd";
systemd_filter = "_SYSTEMD_UNIT=fluent-bit-regression-395128.service";
}
];
outputs = [
{
name = "file";
path = "/var/log/fluent-bit";
file = "fluent-bit.out";
}
];
};
systemd.services.fluent-bit.serviceConfig.LogsDirectory = "fluent-bit";
};
};
systemd.services.fluent-bit.serviceConfig.LogsDirectory = "fluent-bit";
testScript = ''
start_all()
# Logs get compressed when larger than 1024 bytes
# Lets generate some logs that trigger that
# This causes libzstd to be dlopen'd by systemd which breaks fluent-bit 3.2.7+
# https://www.freedesktop.org/software/systemd/man/latest/journald.conf.html#Compress=
systemd.services.fluent-bit-regression-395128 = {
serviceConfig = {
Type = "oneshot";
RemainAfterExit = true;
};
script = ''
for i in {1..20}; do
(head -c 1200 < /dev/zero | tr '\0' 'A') && echo
sleep 1
done
'';
};
};
machine.wait_for_unit("fluent-bit.service")
machine.wait_for_file("/var/log/fluent-bit/fluent-bit.out")
'';
}
)
testScript = ''
start_all()
machine.wait_for_unit("fluent-bit.service")
with subtest("fluent-bit handles zstd-compressed journal logs"):
machine.succeed("systemctl start fluent-bit-regression-395128.service")
machine.succeed("systemctl show -p NRestarts fluent-bit.service | grep -q 'NRestarts=0'")
machine.wait_for_file("/var/log/fluent-bit/fluent-bit.out")
'';
}