81 lines
2.1 KiB
Ruby
81 lines
2.1 KiB
Ruby
require 'spec_helper'
|
|
|
|
describe Gitlab::SidekiqMiddleware::MemoryKiller do
|
|
subject { described_class.new }
|
|
let(:pid) { 999 }
|
|
|
|
let(:worker) { double(:worker, class: ProjectCacheWorker) }
|
|
let(:job) { { 'jid' => 123 } }
|
|
let(:queue) { 'test_queue' }
|
|
|
|
def run
|
|
thread = subject.call(worker, job, queue) { nil }
|
|
thread&.join
|
|
end
|
|
|
|
before do
|
|
allow(subject).to receive(:get_rss).and_return(10.kilobytes)
|
|
allow(subject).to receive(:pid).and_return(pid)
|
|
end
|
|
|
|
context 'when MAX_RSS is set to 0' do
|
|
before do
|
|
stub_const("#{described_class}::MAX_RSS", 0)
|
|
end
|
|
|
|
it 'does nothing' do
|
|
expect(subject).not_to receive(:sleep)
|
|
|
|
run
|
|
end
|
|
end
|
|
|
|
context 'when MAX_RSS is exceeded' do
|
|
before do
|
|
stub_const("#{described_class}::MAX_RSS", 5.kilobytes)
|
|
end
|
|
|
|
it 'sends the TSTP, TERM and KILL signals at expected times' do
|
|
expect(subject).to receive(:sleep).with(15 * 60).ordered
|
|
expect(Process).to receive(:kill).with('SIGTSTP', pid).ordered
|
|
|
|
expect(subject).to receive(:sleep).with(30).ordered
|
|
expect(Process).to receive(:kill).with('SIGTERM', pid).ordered
|
|
|
|
expect(subject).to receive(:sleep).with(10).ordered
|
|
expect(Process).to receive(:kill).with('SIGKILL', pid).ordered
|
|
|
|
expect(Sidekiq.logger)
|
|
.to receive(:warn).with(class: 'ProjectCacheWorker',
|
|
message: anything,
|
|
pid: pid,
|
|
signal: anything).at_least(:once)
|
|
|
|
run
|
|
end
|
|
|
|
it 'sends TSTP and TERM to the pid, but KILL to the pgroup, when running as process leader' do
|
|
allow(Process).to receive(:getpgrp) { pid }
|
|
allow(subject).to receive(:sleep)
|
|
|
|
expect(Process).to receive(:kill).with('SIGTSTP', pid).ordered
|
|
expect(Process).to receive(:kill).with('SIGTERM', pid).ordered
|
|
expect(Process).to receive(:kill).with('SIGKILL', 0).ordered
|
|
|
|
run
|
|
end
|
|
end
|
|
|
|
context 'when MAX_RSS is not exceeded' do
|
|
before do
|
|
stub_const("#{described_class}::MAX_RSS", 15.kilobytes)
|
|
end
|
|
|
|
it 'does nothing' do
|
|
expect(subject).not_to receive(:sleep)
|
|
|
|
run
|
|
end
|
|
end
|
|
end
|