141 lines
4.4 KiB
Go
141 lines
4.4 KiB
Go
// +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 (
|
|
"fmt"
|
|
"os/exec"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
runtime "k8s.io/cri-api/pkg/apis/runtime/v1alpha2"
|
|
)
|
|
|
|
func TestVolumeCopyUp(t *testing.T) {
|
|
const (
|
|
testImage = "gcr.io/k8s-cri-containerd/volume-copy-up:1.0"
|
|
execTimeout = time.Minute
|
|
)
|
|
|
|
t.Logf("Create a sandbox")
|
|
sbConfig := PodSandboxConfig("sandbox", "volume-copy-up")
|
|
sb, err := runtimeService.RunPodSandbox(sbConfig, *runtimeHandler)
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
assert.NoError(t, runtimeService.StopPodSandbox(sb))
|
|
assert.NoError(t, runtimeService.RemovePodSandbox(sb))
|
|
}()
|
|
|
|
t.Logf("Pull test image")
|
|
_, err = imageService.PullImage(&runtime.ImageSpec{Image: testImage}, nil, sbConfig)
|
|
require.NoError(t, err)
|
|
|
|
t.Logf("Create a container with volume-copy-up test image")
|
|
cnConfig := ContainerConfig(
|
|
"container",
|
|
testImage,
|
|
WithCommand("tail", "-f", "/dev/null"),
|
|
)
|
|
cn, err := runtimeService.CreateContainer(sb, cnConfig, sbConfig)
|
|
require.NoError(t, err)
|
|
|
|
t.Logf("Start the container")
|
|
require.NoError(t, runtimeService.StartContainer(cn))
|
|
|
|
// gcr.io/k8s-cri-containerd/volume-copy-up:1.0 contains a test_dir
|
|
// volume, which contains a test_file with content "test_content".
|
|
t.Logf("Check whether volume contains the test file")
|
|
stdout, stderr, err := runtimeService.ExecSync(cn, []string{
|
|
"cat",
|
|
"/test_dir/test_file",
|
|
}, execTimeout)
|
|
require.NoError(t, err)
|
|
assert.Empty(t, stderr)
|
|
assert.Equal(t, "test_content\n", string(stdout))
|
|
|
|
t.Logf("Check host path of the volume")
|
|
hostCmd := fmt.Sprintf("find %s/containers/%s/volumes/*/test_file | xargs cat", *criRoot, cn)
|
|
output, err := exec.Command("sh", "-c", hostCmd).CombinedOutput()
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "test_content\n", string(output))
|
|
|
|
t.Logf("Update volume from inside the container")
|
|
_, _, err = runtimeService.ExecSync(cn, []string{
|
|
"sh",
|
|
"-c",
|
|
"echo new_content > /test_dir/test_file",
|
|
}, execTimeout)
|
|
require.NoError(t, err)
|
|
|
|
t.Logf("Check whether host path of the volume is updated")
|
|
output, err = exec.Command("sh", "-c", hostCmd).CombinedOutput()
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "new_content\n", string(output))
|
|
}
|
|
|
|
func TestVolumeOwnership(t *testing.T) {
|
|
const (
|
|
testImage = "gcr.io/k8s-cri-containerd/volume-ownership:1.0"
|
|
execTimeout = time.Minute
|
|
)
|
|
|
|
t.Logf("Create a sandbox")
|
|
sbConfig := PodSandboxConfig("sandbox", "volume-ownership")
|
|
sb, err := runtimeService.RunPodSandbox(sbConfig, *runtimeHandler)
|
|
require.NoError(t, err)
|
|
defer func() {
|
|
assert.NoError(t, runtimeService.StopPodSandbox(sb))
|
|
assert.NoError(t, runtimeService.RemovePodSandbox(sb))
|
|
}()
|
|
|
|
t.Logf("Pull test image")
|
|
_, err = imageService.PullImage(&runtime.ImageSpec{Image: testImage}, nil, sbConfig)
|
|
require.NoError(t, err)
|
|
|
|
t.Logf("Create a container with volume-ownership test image")
|
|
cnConfig := ContainerConfig(
|
|
"container",
|
|
testImage,
|
|
WithCommand("tail", "-f", "/dev/null"),
|
|
)
|
|
cn, err := runtimeService.CreateContainer(sb, cnConfig, sbConfig)
|
|
require.NoError(t, err)
|
|
|
|
t.Logf("Start the container")
|
|
require.NoError(t, runtimeService.StartContainer(cn))
|
|
|
|
// gcr.io/k8s-cri-containerd/volume-ownership:1.0 contains a test_dir
|
|
// volume, which is owned by nobody:nogroup.
|
|
t.Logf("Check ownership of test directory inside container")
|
|
stdout, stderr, err := runtimeService.ExecSync(cn, []string{
|
|
"stat", "-c", "%U:%G", "/test_dir",
|
|
}, execTimeout)
|
|
require.NoError(t, err)
|
|
assert.Empty(t, stderr)
|
|
assert.Equal(t, "nobody:nogroup\n", string(stdout))
|
|
|
|
t.Logf("Check ownership of test directory on the host")
|
|
hostCmd := fmt.Sprintf("find %s/containers/%s/volumes/* | xargs stat -c %%U:%%G", *criRoot, cn)
|
|
output, err := exec.Command("sh", "-c", hostCmd).CombinedOutput()
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "nobody:nogroup\n", string(output))
|
|
}
|