new(networkFakes.FakeFilter),
new(fake_iptables_manager.FakeIPTablesManager),
new(fake_network_statisticser.FakeNetworkStatisticser),
fakeOomWatcher,
lagertest.NewTestLogger("linux-container-limits-test"),
)
})
Describe("Limiting bandwidth", func() {
limits := garden.BandwidthLimits{
RateInBytesPerSecond: 128,
BurstRateInBytesPerSecond: 256,
}
It("sets the limit via the bandwidth manager with the new limits", func() {
err := container.LimitBandwidth(limits)
Expect(err).ToNot(HaveOccurred())
Expect(fakeBandwidthManager.EnforcedLimits).To(ContainElement(limits))
})
Context("when setting the limit fails", func() {
disaster := errors.New("oh no!")
BeforeEach(func() {
fakeBandwidthManager.SetLimitsError = disaster
})
It("returns the error", func() {
err := container.LimitBandwidth(limits)
Expect(err).To(Equal(disaster))
JustBeforeEach(func() {
fakeOomWatcher.WatchStub = func(onOom func()) error {
onOom()
return nil
}
err := container.LimitMemory(memoryLimits)
Expect(err).ToNot(HaveOccurred())
Eventually(container.Events).Should(ContainElement("out of memory"))
Eventually(container.State).Should(Equal(linux_backend.StateStopped))
err = container.LimitDisk(diskLimits)
Expect(err).ToNot(HaveOccurred())
err = container.LimitBandwidth(bandwidthLimits)
Expect(err).ToNot(HaveOccurred())
err = container.LimitCPU(cpuLimits)
Expect(err).ToNot(HaveOccurred())
})
It("saves them", func() {
out := new(bytes.Buffer)
err := container.Snapshot(out)
Expect(err).ToNot(HaveOccurred())
var snapshot linux_backend.LinuxContainerSpec
err = json.NewDecoder(out).Decode(&snapshot)