containerd/image_test.go
Derek McGowan 63ceaf877d
Add testing log context
Enables showing debug logs in testing output.
For integration tests the client log output will show
in addition to daemon output, with timestamps for better
correlation.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
2019-07-16 10:31:43 -07:00

138 lines
3.3 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 containerd
import (
"context"
"fmt"
"runtime"
"strings"
"testing"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/platforms"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)
func TestImageIsUnpacked(t *testing.T) {
if runtime.GOOS == "windows" {
t.Skip()
}
const imageName = "docker.io/library/busybox:latest"
ctx, cancel := testContext(t)
defer cancel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
// Cleanup
err = client.ImageService().Delete(ctx, imageName)
if err != nil && !errdefs.IsNotFound(err) {
t.Fatal(err)
}
// By default pull does not unpack an image
image, err := client.Pull(ctx, imageName, WithPlatform("linux/amd64"))
if err != nil {
t.Fatal(err)
}
// Check that image is not unpacked
unpacked, err := image.IsUnpacked(ctx, DefaultSnapshotter)
if err != nil {
t.Fatal(err)
}
if unpacked {
t.Fatalf("image should not be unpacked")
}
// Check that image is unpacked
err = image.Unpack(ctx, DefaultSnapshotter)
if err != nil {
t.Fatal(err)
}
unpacked, err = image.IsUnpacked(ctx, DefaultSnapshotter)
if err != nil {
t.Fatal(err)
}
if !unpacked {
t.Fatalf("image should be unpacked")
}
}
func TestImagePullWithDistSourceLabel(t *testing.T) {
var (
source = "docker.io"
repoName = "library/busybox"
tag = "latest"
)
ctx, cancel := testContext(t)
defer cancel()
client, err := newClient(t, address)
if err != nil {
t.Fatal(err)
}
defer client.Close()
imageName := fmt.Sprintf("%s/%s:%s", source, repoName, tag)
pMatcher := platforms.Default()
// pull content without unpack and add distribution source label
image, err := client.Pull(ctx, imageName,
WithPlatformMatcher(pMatcher),
WithAppendDistributionSourceLabel())
if err != nil {
t.Fatal(err)
}
defer client.ImageService().Delete(ctx, imageName)
cs := client.ContentStore()
key := fmt.Sprintf("containerd.io/distribution.source.%s", source)
// only check the target platform
childrenHandler := images.FilterPlatforms(images.ChildrenHandler(cs), pMatcher)
checkLabelHandler := func(ctx context.Context, desc ocispec.Descriptor) ([]ocispec.Descriptor, error) {
children, err := childrenHandler(ctx, desc)
if err != nil {
return nil, err
}
info, err := cs.Info(ctx, desc.Digest)
if err != nil {
return nil, err
}
// check the label
if got := info.Labels[key]; !strings.Contains(got, repoName) {
return nil, fmt.Errorf("expected to have %s repo name in label, but got %s", repoName, got)
}
return children, nil
}
if err := images.Dispatch(ctx, images.HandlerFunc(checkLabelHandler), nil, image.Target()); err != nil {
t.Fatal(err)
}
}