containerd/integration/sandbox_run_rollback_test.go
Wei Fu 3c5e80b63e integration: Add injected failpoint testing for RunPodSandbox
Signed-off-by: Wei Fu <fuweid89@gmail.com>
2022-07-22 23:25:40 +08:00

123 lines
3.3 KiB
Go

//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
}
}