proxmox-perl-rs/pve-rs/test/resource_scheduling.pl
Fiona Ebner 2246577a5d pve: test: resource scheduling: add test with overcommitted node
which will fail with librust-proxmox-resource-scheduling-dev=0.1.0-1

Reported-by: Dominik Csapak <d.csapak@proxmox.com>
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
2023-03-21 15:03:45 +01:00

94 lines
2.7 KiB
Perl
Executable File

#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
use PVE::RS::ResourceScheduling::Static;
sub test_basic {
my $static = PVE::RS::ResourceScheduling::Static->new();
is(scalar($static->list_nodes()->@*), 0, 'node list empty');
$static->add_node("A", 10, 100_000_000_000);
is(scalar($static->list_nodes()->@*), 1, '1 node added');
$static->add_node("B", 20, 200_000_000_000);
is(scalar($static->list_nodes()->@*), 2, '2nd node');
$static->add_node("C", 30, 300_000_000_000);
is(scalar($static->list_nodes()->@*), 3, '3rd node');
$static->remove_node("C");
is(scalar($static->list_nodes()->@*), 2, '3rd removed should be 2');
ok($static->contains_node("A"), 'should contain a node A');
ok($static->contains_node("B"), 'should contain a node B');
ok(!$static->contains_node("C"), 'should not contain a node C');
}
sub test_balance {
my $static = PVE::RS::ResourceScheduling::Static->new();
$static->add_node("A", 10, 100_000_000_000);
$static->add_node("B", 20, 200_000_000_000);
my $service = {
maxcpu => 4,
maxmem => 20_000_000_000,
};
for (my $i = 0; $i < 15; $i++) {
my $score_list = $static->score_nodes_to_start_service($service);
# imitate HA manager
my $scores = { map { $_->[0] => -$_->[1] } $score_list->@* };
my @nodes = sort {
$scores->{$a} <=> $scores->{$b} || $a cmp $b
} keys $scores->%*;
if ($i % 3 == 2) {
is($nodes[0], "A", 'first should be A');
is($nodes[1], "B", 'second should be A');
} else {
is($nodes[0], "B", 'first should be B');
is($nodes[1], "A", 'second should be A');
}
$static->add_service_usage_to_node($nodes[0], $service);
}
}
sub test_overcommitted {
my $static = PVE::RS::ResourceScheduling::Static->new();
$static->add_node("A", 4, 4_102_062_080);
$static->add_node("B", 4, 4_102_062_080);
$static->add_node("C", 4, 4_102_053_888);
$static->add_node("D", 4, 4_102_053_888);
my $service = {
maxcpu => 1,
maxmem => 536_870_912,
};
$static->add_service_usage_to_node("A", $service);
$static->add_service_usage_to_node("A", $service);
$static->add_service_usage_to_node("A", $service);
$static->add_service_usage_to_node("B", $service);
$static->add_service_usage_to_node("A", $service);
my $score_list = $static->score_nodes_to_start_service($service);
# imitate HA manager
my $scores = { map { $_->[0] => -$_->[1] } $score_list->@* };
my @nodes = sort {
$scores->{$a} <=> $scores->{$b} || $a cmp $b
} keys $scores->%*;
is($nodes[0], "C", 'first should be C');
is($nodes[1], "D", 'second should be D');
is($nodes[2], "B", 'third should be B');
is($nodes[3], "A", 'fourth should be A');
}
test_basic();
test_balance();
test_overcommitted();
done_testing();