88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
//go:build !remote
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package libimage
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import (
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"context"
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"testing"
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"time"
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"github.com/containers/common/pkg/config"
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"github.com/containers/storage"
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"github.com/stretchr/testify/require"
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)
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func TestDiskUsage(t *testing.T) {
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runtime := testNewRuntime(t)
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ctx := context.Background()
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const expectedTotalImageSize int64 = 5847966
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name := "quay.io/libpod/alpine:3.10.2"
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pullOptions := &PullOptions{}
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pulledImages, err := runtime.Pull(ctx, name, config.PullPolicyAlways, pullOptions)
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require.NoError(t, err)
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require.Len(t, pulledImages, 1)
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imgID := pulledImages[0].storageImage.ID
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layerID := pulledImages[0].storageImage.TopLayer
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digest := pulledImages[0].storageImage.Digest
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img, err := pulledImages[0].storageReference.NewImageSource(ctx, &runtime.systemContext)
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require.NoError(t, err)
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defer img.Close()
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manifest, _, err := img.GetManifest(ctx, nil)
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require.NoError(t, err)
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expectedImageDiskUsage := ImageDiskUsage{
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ID: imgID,
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Repository: "quay.io/libpod/alpine",
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Tag: "3.10.2",
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SharedSize: 0,
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UniqueSize: expectedTotalImageSize,
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Size: expectedTotalImageSize,
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}
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res, size, err := runtime.DiskUsage(ctx)
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require.NoError(t, err)
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require.Equal(t, expectedTotalImageSize, size)
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require.Len(t, res, 1)
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// intentionally unsetting the time here, we cannot really equal the time
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// because of the local information that is part of the struct and that
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// can differ even when the time is the same
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res[0].Created = time.Time{}
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require.Equal(t, expectedImageDiskUsage, res[0])
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opts := &storage.ImageOptions{
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BigData: []storage.ImageBigDataOption{
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{
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Key: storage.ImageDigestBigDataKey,
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Data: manifest,
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Digest: digest,
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},
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},
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}
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img2, err := runtime.store.CreateImage("", []string{"localhost/test:123"}, layerID, "", opts)
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require.NoError(t, err)
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const sharedSize int64 = 5843968
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// copy the expected and update the expected values
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expectedImageDiskUsage2 := ImageDiskUsage{
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ID: img2.ID,
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Repository: "localhost/test",
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Tag: "123",
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SharedSize: sharedSize,
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UniqueSize: int64(len(manifest)),
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Size: sharedSize + int64(len(manifest)),
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}
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expectedImageDiskUsage.SharedSize = sharedSize
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expectedImageDiskUsage.UniqueSize = expectedImageDiskUsage.Size - sharedSize
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res, size, err = runtime.DiskUsage(ctx)
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require.NoError(t, err)
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require.Equal(t, expectedTotalImageSize+int64(len(manifest)), size)
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require.Len(t, res, 2)
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res[0].Created = time.Time{}
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res[1].Created = time.Time{}
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require.ElementsMatch(t, []ImageDiskUsage{expectedImageDiskUsage, expectedImageDiskUsage2}, res)
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}
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