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Add integration test.

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Signed-off-by: Lantao Liu <lantaol@google.com>
This commit is contained in:
Lantao Liu
2018-05-04 23:10:32 -07:00
parent 405f57f8e0
commit bf551b9c4c
3 changed files with 186 additions and 30 deletions
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20
integration/container_update_resources_test.go
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@@ -37,7 +37,7 @@ func checkMemoryLimit(t *testing.T, spec *runtimespec.Spec, memLimit int64) {
}
func TestUpdateContainerResources(t *testing.T) {
t.Logf("Create a sandbox")
t.Log("Create a sandbox")
sbConfig := PodSandboxConfig("sandbox", "update-container-resources")
sb, err := runtimeService.RunPodSandbox(sbConfig)
require.NoError(t, err)
@@ -46,7 +46,7 @@ func TestUpdateContainerResources(t *testing.T) {
assert.NoError(t, runtimeService.RemovePodSandbox(sb))
}()
t.Logf("Create a container with memory limit")
t.Log("Create a container with memory limit")
cnConfig := ContainerConfig(
"container",
pauseImage,
@@ -57,48 +57,48 @@ func TestUpdateContainerResources(t *testing.T) {
cn, err := runtimeService.CreateContainer(sb, cnConfig, sbConfig)
require.NoError(t, err)
t.Logf("Check memory limit in container OCI spec")
t.Log("Check memory limit in container OCI spec")
container, err := containerdClient.LoadContainer(context.Background(), cn)
require.NoError(t, err)
spec, err := container.Spec(context.Background())
require.NoError(t, err)
checkMemoryLimit(t, spec, 2*1024*1024)
t.Logf("Update container memory limit after created")
t.Log("Update container memory limit after created")
err = runtimeService.UpdateContainerResources(cn, &runtime.LinuxContainerResources{
MemoryLimitInBytes: 4 * 1024 * 1024,
})
require.NoError(t, err)
t.Logf("Check memory limit in container OCI spec")
t.Log("Check memory limit in container OCI spec")
spec, err = container.Spec(context.Background())
require.NoError(t, err)
checkMemoryLimit(t, spec, 4*1024*1024)
t.Logf("Start the container")
t.Log("Start the container")
require.NoError(t, runtimeService.StartContainer(cn))
task, err := container.Task(context.Background(), nil)
require.NoError(t, err)
t.Logf("Check memory limit in cgroup")
t.Log("Check memory limit in cgroup")
cgroup, err := cgroups.Load(cgroups.V1, cgroups.PidPath(int(task.Pid())))
require.NoError(t, err)
stat, err := cgroup.Stat(cgroups.IgnoreNotExist)
require.NoError(t, err)
assert.Equal(t, uint64(4*1024*1024), stat.Memory.Usage.Limit)
t.Logf("Update container memory limit after started")
t.Log("Update container memory limit after started")
err = runtimeService.UpdateContainerResources(cn, &runtime.LinuxContainerResources{
MemoryLimitInBytes: 8 * 1024 * 1024,
})
require.NoError(t, err)
t.Logf("Check memory limit in container OCI spec")
t.Log("Check memory limit in container OCI spec")
spec, err = container.Spec(context.Background())
require.NoError(t, err)
checkMemoryLimit(t, spec, 8*1024*1024)
t.Logf("Check memory limit in cgroup")
t.Log("Check memory limit in cgroup")
stat, err = cgroup.Stat(cgroups.IgnoreNotExist)
require.NoError(t, err)
assert.Equal(t, uint64(8*1024*1024), stat.Memory.Usage.Limit)