containerd/integration/volume_copy_up_test.go
Sebastiaan van Stijn f33d38c7cb
integration: align tags of test images
I noticed we were using some different versions of the same test
images, so changing them to be the same (can help with find/replace
if we need to update them).

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2021-12-03 15:14:09 +01:00

128 lines
3.9 KiB
Go

/*
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"
goruntime "runtime"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
exec "golang.org/x/sys/execabs"
)
func TestVolumeCopyUp(t *testing.T) {
var (
testImage = GetImage(VolumeCopyUp)
execTimeout = time.Minute
)
t.Logf("Create a sandbox")
sb, sbConfig := PodSandboxConfigWithCleanup(t, "sandbox", "volume-copy-up")
EnsureImageExists(t, testImage)
t.Logf("Create a container with volume-copy-up test image")
cnConfig := ContainerConfig(
"container",
testImage,
WithCommand("sleep", "150"),
)
cn, err := runtimeService.CreateContainer(sb, cnConfig, sbConfig)
require.NoError(t, err)
t.Logf("Start the container")
require.NoError(t, runtimeService.StartContainer(cn))
// ghcr.io/containerd/volume-copy-up:2.1 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")
// Windows paths might have spaces in them (e.g.: Program Files), which would
// cause issues for this command. This will allow us to bypass them.
hostCmd := fmt.Sprintf("find '%s/containers/%s/volumes/' -type f -print0 | xargs -0 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) {
if goruntime.GOOS == "windows" {
t.Skip("Skipped on Windows.")
}
var (
testImage = GetImage(VolumeOwnership)
execTimeout = time.Minute
)
t.Logf("Create a sandbox")
sb, sbConfig := PodSandboxConfigWithCleanup(t, "sandbox", "volume-ownership")
EnsureImageExists(t, testImage)
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))
// ghcr.io/containerd/volume-ownership:2.1 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))
}