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nixosTests.earlyoom: handleTest -> runTest

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Sizhe Zhao 2025-06-07 21:21:10 +08:00
parent a72c8b8f69
commit 7ea4b7c71a
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GPG Key ID: ED1807251A7DA08F
2 changed files with 34 additions and 38 deletions
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2
nixos/tests/all-tests.nix
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@ -434,7 +434,7 @@ in
drbd-driver = runTest ./drbd-driver.nix;
dublin-traceroute = runTest ./dublin-traceroute.nix;
dwl = runTestOn [ "x86_64-linux" "aarch64-linux" ] ./dwl.nix;
earlyoom = handleTestOn [ "x86_64-linux" ] ./earlyoom.nix { };
earlyoom = runTestOn [ "x86_64-linux" ] ./earlyoom.nix;
early-mount-options = handleTest ./early-mount-options.nix { };
ec2-config = (handleTestOn [ "x86_64-linux" ] ./ec2.nix { }).boot-ec2-config or { };
ec2-nixops = (handleTestOn [ "x86_64-linux" ] ./ec2.nix { }).boot-ec2-nixops or { };

70
nixos/tests/earlyoom.nix
View File

@ -1,42 +1,38 @@
import ./make-test-python.nix (
{ lib, ... }:
{
name = "earlyoom";
meta = {
maintainers = with lib.maintainers; [
ncfavier
oxalica
];
};
{ lib, ... }:
{
name = "earlyoom";
meta.maintainers = with lib.maintainers; [
ncfavier
oxalica
];
nodes.machine =
{ pkgs, ... }:
{
# Limit VM resource usage.
virtualisation.memorySize = 1024;
nodes.machine =
{ pkgs, ... }:
{
# Limit VM resource usage.
virtualisation.memorySize = 1024;
services.earlyoom = {
enable = true;
# Use SIGKILL, or `tail` will catch SIGTERM and exit successfully.
freeMemKillThreshold = 90;
};
systemd.services.testbloat = {
description = "Create a lot of memory pressure";
serviceConfig = {
ExecStart = "${pkgs.coreutils}/bin/tail /dev/zero";
};
};
services.earlyoom = {
enable = true;
# Use SIGKILL, or `tail` will catch SIGTERM and exit successfully.
freeMemKillThreshold = 90;
};
testScript = ''
machine.wait_for_unit("earlyoom.service")
systemd.services.testbloat = {
description = "Create a lot of memory pressure";
serviceConfig = {
ExecStart = "${pkgs.coreutils}/bin/tail /dev/zero";
};
};
};
with subtest("earlyoom should kill the bad service"):
machine.fail("systemctl start --wait testbloat.service")
assert machine.get_unit_info("testbloat.service")["Result"] == "signal"
output = machine.succeed('journalctl -u earlyoom.service -b0')
assert 'low memory! at or below SIGKILL limits' in output
'';
}
)
testScript = ''
machine.wait_for_unit("earlyoom.service")
with subtest("earlyoom should kill the bad service"):
machine.fail("systemctl start --wait testbloat.service")
assert machine.get_unit_info("testbloat.service")["Result"] == "signal"
output = machine.succeed('journalctl -u earlyoom.service -b0')
assert 'low memory! at or below SIGKILL limits' in output
'';
}