integration: Add injected failpoint testing for RunPodSandbox

Signed-off-by: Wei Fu <fuweid89@gmail.com>

integration/main_test.go

@@ -174,7 +174,8 @@ func PodSandboxConfig(name, ns string, opts ...PodSandboxOpts) *runtime.PodSandb
 			Uid:       util.GenerateID(),
 			Namespace: Randomize(ns),
 		},
-		Linux: &runtime.LinuxPodSandboxConfig{},
+		Linux:       &runtime.LinuxPodSandboxConfig{},
+		Annotations: make(map[string]string),
 	}
 	for _, opt := range opts {
 		opt(config)

integration/sandbox_run_rollback_test.go

@@ -0,0 +1,122 @@
+//go:build linux
+// +build linux
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package integration
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"testing"
+
+	criapiv1 "k8s.io/cri-api/pkg/apis/runtime/v1"
+
+	"github.com/containerd/containerd/pkg/failpoint"
+	"github.com/stretchr/testify/require"
+)
+
+const (
+	failpointRuntimeHandler = "runc-fp"
+
+	failpointShimPrefixKey = "io.containerd.runtime.v2.shim.failpoint."
+
+	failpointCNIStateDirKey = "cniFailpointControlStateDir"
+)
+
+func TestRunPodSandboxWithSetupCNIFailure(t *testing.T) {
+	if runtime.GOOS != "linux" {
+		t.Skip()
+	}
+
+	t.Logf("Inject CNI failpoint")
+	conf := &failpointConf{
+		Add: "1*error(you-shall-not-pass!)",
+	}
+
+	sbConfig := PodSandboxConfig(t.Name(), "failpoint")
+	injectCNIFailpoint(t, sbConfig, conf)
+
+	t.Logf("Create a sandbox")
+	_, err := runtimeService.RunPodSandbox(sbConfig, failpointRuntimeHandler)
+	require.Error(t, err)
+	require.Equal(t, true, strings.Contains(err.Error(), "you-shall-not-pass!"))
+
+	t.Logf("Retry to create sandbox with same config")
+	sb, err := runtimeService.RunPodSandbox(sbConfig, failpointRuntimeHandler)
+	require.NoError(t, err)
+
+	err = runtimeService.StopPodSandbox(sb)
+	require.NoError(t, err)
+
+	err = runtimeService.RemovePodSandbox(sb)
+	require.NoError(t, err)
+}
+
+func TestRunPodSandboxWithShimStartFailure(t *testing.T) {
+	if runtime.GOOS != "linux" {
+		t.Skip()
+	}
+
+	t.Logf("Inject Shim failpoint")
+
+	sbConfig := PodSandboxConfig(t.Name(), "failpoint")
+	injectShimFailpoint(t, sbConfig, map[string]string{
+		"Start": "1*error(no hard feelings)",
+	})
+
+	t.Logf("Create a sandbox")
+	_, err := runtimeService.RunPodSandbox(sbConfig, failpointRuntimeHandler)
+	require.Error(t, err)
+	require.Equal(t, true, strings.Contains(err.Error(), "no hard feelings"))
+}
+
+// failpointConf is used to describe cmdAdd/cmdDel/cmdCheck command's failpoint.
+type failpointConf struct {
+	Add   string `json:"cmdAdd"`
+	Del   string `json:"cmdDel"`
+	Check string `json:"cmdCheck"`
+}
+
+func injectCNIFailpoint(t *testing.T, sbConfig *criapiv1.PodSandboxConfig, conf *failpointConf) {
+	stateDir := t.TempDir()
+
+	metadata := sbConfig.Metadata
+	fpFilename := filepath.Join(stateDir,
+		fmt.Sprintf("%s-%s.json", metadata.Namespace, metadata.Name))
+
+	data, err := json.Marshal(conf)
+	require.NoError(t, err)
+
+	err = os.WriteFile(fpFilename, data, 0666)
+	require.NoError(t, err)
+
+	sbConfig.Annotations[failpointCNIStateDirKey] = stateDir
+}
+
+func injectShimFailpoint(t *testing.T, sbConfig *criapiv1.PodSandboxConfig, methodFps map[string]string) {
+	for method, fp := range methodFps {
+		_, err := failpoint.NewFailpoint(method, fp)
+		require.NoError(t, err, "check failpoint %s for shim method %s", fp, method)
+
+		sbConfig.Annotations[failpointShimPrefixKey+method] = fp
+	}
+}