90 lines
2.5 KiB
Go
90 lines
2.5 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package client
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import (
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"testing"
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. "github.com/containerd/containerd"
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"github.com/containerd/containerd/images"
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"github.com/containerd/containerd/images/converter"
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"github.com/containerd/containerd/images/converter/uncompress"
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"github.com/containerd/containerd/platforms"
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ocispec "github.com/opencontainers/image-spec/specs-go/v1"
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"gotest.tools/v3/assert"
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)
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// TestConvert creates an image from testImage, with the following conversion:
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// - Media type: Docker -> OCI
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// - Layer type: tar.gz -> tar
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// - Arch: Multi -> Single
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func TestConvert(t *testing.T) {
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if testing.Short() {
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t.Skip()
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}
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ctx, cancel := testContext(t)
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defer cancel()
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client, err := New(address)
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if err != nil {
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t.Fatal(err)
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}
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defer client.Close()
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_, err = client.Fetch(ctx, testImage)
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if err != nil {
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t.Fatal(err)
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}
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dstRef := testImage + "-testconvert"
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defPlat := platforms.DefaultStrict()
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opts := []converter.Opt{
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converter.WithDockerToOCI(true),
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converter.WithLayerConvertFunc(uncompress.LayerConvertFunc),
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converter.WithPlatform(defPlat),
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}
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dstImg, err := converter.Convert(ctx, client, dstRef, testImage, opts...)
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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if deleteErr := client.ImageService().Delete(ctx, dstRef); deleteErr != nil {
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t.Fatal(deleteErr)
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}
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}()
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cs := client.ContentStore()
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plats, err := images.Platforms(ctx, cs, dstImg.Target)
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if err != nil {
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t.Fatal(err)
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}
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// Assert that the image does not have any extra arch.
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assert.Equal(t, 1, len(plats))
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assert.Check(t, defPlat.Match(plats[0]))
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// Assert that the media type is converted to OCI and also uncompressed
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mani, err := images.Manifest(ctx, cs, dstImg.Target, defPlat)
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if err != nil {
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t.Fatal(err)
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}
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for _, l := range mani.Layers {
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if plats[0].OS == "windows" {
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assert.Equal(t, ocispec.MediaTypeImageLayerNonDistributable, l.MediaType)
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} else {
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assert.Equal(t, ocispec.MediaTypeImageLayer, l.MediaType)
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}
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}
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}
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