mirror of https://github.com/k3s-io/k3s
116 lines
3.6 KiB
Go
116 lines
3.6 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kuberuntime
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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utilfeaturetesting "k8s.io/apiserver/pkg/util/feature/testing"
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"k8s.io/kubernetes/pkg/features"
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runtimeapi "k8s.io/kubernetes/pkg/kubelet/apis/cri/runtime/v1alpha2"
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containertest "k8s.io/kubernetes/pkg/kubelet/container/testing"
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"k8s.io/kubernetes/pkg/kubelet/runtimeclass"
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rctest "k8s.io/kubernetes/pkg/kubelet/runtimeclass/testing"
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"k8s.io/utils/pointer"
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)
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// TestCreatePodSandbox tests creating sandbox and its corresponding pod log directory.
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func TestCreatePodSandbox(t *testing.T) {
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fakeRuntime, _, m, err := createTestRuntimeManager()
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require.NoError(t, err)
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pod := newTestPod()
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fakeOS := m.osInterface.(*containertest.FakeOS)
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fakeOS.MkdirAllFn = func(path string, perm os.FileMode) error {
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// Check pod logs root directory is created.
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assert.Equal(t, filepath.Join(podLogsRootDirectory, "12345678"), path)
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assert.Equal(t, os.FileMode(0755), perm)
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return nil
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}
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id, _, err := m.createPodSandbox(pod, 1)
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assert.NoError(t, err)
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assert.Contains(t, fakeRuntime.Called, "RunPodSandbox")
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sandboxes, err := fakeRuntime.ListPodSandbox(&runtimeapi.PodSandboxFilter{Id: id})
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assert.NoError(t, err)
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assert.Equal(t, len(sandboxes), 1)
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// TODO Check pod sandbox configuration
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}
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// TestCreatePodSandbox_RuntimeClass tests creating sandbox with RuntimeClasses enabled.
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func TestCreatePodSandbox_RuntimeClass(t *testing.T) {
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defer utilfeaturetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.RuntimeClass, true)()
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rcm := runtimeclass.NewManager(rctest.NewPopulatedClient())
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defer rctest.StartManagerSync(rcm)()
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fakeRuntime, _, m, err := createTestRuntimeManager()
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require.NoError(t, err)
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m.runtimeClassManager = rcm
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tests := map[string]struct {
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rcn *string
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expectedHandler string
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expectError bool
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}{
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"unspecified RuntimeClass": {rcn: nil, expectedHandler: ""},
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"valid RuntimeClass": {rcn: pointer.StringPtr(rctest.SandboxRuntimeClass), expectedHandler: rctest.SandboxRuntimeHandler},
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"missing RuntimeClass": {rcn: pointer.StringPtr("phantom"), expectError: true},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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fakeRuntime.Called = []string{}
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pod := newTestPod()
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pod.Spec.RuntimeClassName = test.rcn
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id, _, err := m.createPodSandbox(pod, 1)
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if test.expectError {
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assert.Error(t, err)
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} else {
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assert.NoError(t, err)
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assert.Contains(t, fakeRuntime.Called, "RunPodSandbox")
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assert.Equal(t, test.expectedHandler, fakeRuntime.Sandboxes[id].RuntimeHandler)
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}
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})
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}
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}
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func newTestPod() *v1.Pod {
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return &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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UID: "12345678",
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Name: "bar",
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Namespace: "new",
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "foo",
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Image: "busybox",
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ImagePullPolicy: v1.PullIfNotPresent,
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},
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},
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},
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}
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}
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