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Add --blob-cache-dir arg use to generate raw blob cache and meta
generate blob cache and blob meta through the —-blob-cache-dir parameters, so that nydusd can be started directly from these two files without going to the backend to download. this can improve the performance of data loading in localfs mode. Signed-off-by: zyfjeff <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| package tests | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
| "io/fs" | ||
| "io/ioutil" | ||
| "os" | ||
| "path/filepath" | ||
| "testing" | ||
|
|
||
| "github.com/containerd/containerd/log" | ||
| "github.com/dragonflyoss/image-service/smoke/tests/texture" | ||
| "github.com/dragonflyoss/image-service/smoke/tests/tool" | ||
| "github.com/dragonflyoss/image-service/smoke/tests/tool/test" | ||
| "github.com/opencontainers/go-digest" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
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| type BlobCacheTestSuite struct { | ||
| T *testing.T | ||
| } | ||
|
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| func (a *BlobCacheTestSuite) compareTwoFiles(t *testing.T, left, right string) { | ||
|
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| leftHash := digest.Digest("") | ||
| lf, err := os.Open(left) | ||
| require.NoError(t, err) | ||
| defer lf.Close() | ||
| digester := digest.Canonical.Digester() | ||
| _, err = io.Copy(digester.Hash(), lf) | ||
| require.NoError(t, err) | ||
| leftHash = digester.Digest() | ||
|
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| rightHash := digest.Digest("") | ||
| rf, err := os.Open(right) | ||
| require.NoError(t, err) | ||
| defer rf.Close() | ||
| digester = digest.Canonical.Digester() | ||
| _, err = io.Copy(digester.Hash(), rf) | ||
| require.NoError(t, err) | ||
| rightHash = digester.Digest() | ||
| require.Equal(t, leftHash, rightHash) | ||
| } | ||
|
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| func (a *BlobCacheTestSuite) TestGenerateBlobcache(t *testing.T) { | ||
|
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| ctx := tool.DefaultContext(t) | ||
|
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| ctx.PrepareWorkDir(t) | ||
| defer ctx.Destroy(t) | ||
|
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| rootFs := texture.MakeLowerLayer(t, filepath.Join(ctx.Env.WorkDir, "root-fs")) | ||
|
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| rootfsReader := rootFs.ToOCITar(t); | ||
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| ociBlobDigester := digest.Canonical.Digester() | ||
| ociBlob, err := ioutil.TempFile(ctx.Env.BlobDir, "oci-blob-") | ||
| require.NoError(t, err) | ||
|
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| _, err = io.Copy(io.MultiWriter(ociBlobDigester.Hash(), ociBlob), rootfsReader) | ||
| require.NoError(t, err) | ||
|
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| ociBlobDigest := ociBlobDigester.Digest() | ||
| err = os.Rename(ociBlob.Name(), filepath.Join(ctx.Env.BlobDir, ociBlobDigest.Hex())) | ||
| require.NoError(t, err) | ||
|
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| // use to generate blob.data and blob.meta | ||
| blobcacheDir := filepath.Join(ctx.Env.WorkDir, "blobcache") | ||
| err = os.MkdirAll(blobcacheDir, 0755) | ||
| require.NoError(t, err) | ||
|
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| ctx.Env.BootstrapPath = filepath.Join(ctx.Env.WorkDir, "bootstrap") | ||
|
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|
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| tool.Run(t, fmt.Sprintf("%s create -t targz-ref --bootstrap %s --blob-dir %s --blob-cache-dir %s %s", | ||
| ctx.Binary.Builder, ctx.Env.BootstrapPath, ctx.Env.BlobDir, blobcacheDir, | ||
| filepath.Join(ctx.Env.BlobDir, ociBlobDigest.Hex()))); | ||
|
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| nydusd, err := tool.NewNydusd(tool.NydusdConfig{ | ||
| NydusdPath: ctx.Binary.Nydusd, | ||
| BootstrapPath: ctx.Env.BootstrapPath, | ||
| ConfigPath: filepath.Join(ctx.Env.WorkDir, "nydusd-config.fusedev.json"), | ||
| MountPath: ctx.Env.MountDir, | ||
| APISockPath: filepath.Join(ctx.Env.WorkDir, "nydusd-api.sock"), | ||
| BackendType: "localfs", | ||
| BackendConfig: fmt.Sprintf(`{"dir": "%s"}`, ctx.Env.BlobDir), | ||
| EnablePrefetch: ctx.Runtime.EnablePrefetch, | ||
| BlobCacheDir: ctx.Env.CacheDir, | ||
| CacheType: ctx.Runtime.CacheType, | ||
| CacheCompressed: ctx.Runtime.CacheCompressed, | ||
| RafsMode: ctx.Runtime.RafsMode, | ||
| DigestValidate: false, | ||
| }) | ||
| require.NoError(t, err) | ||
|
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| err = nydusd.Mount() | ||
| require.NoError(t, err) | ||
| defer func() { | ||
| if err := nydusd.Umount(); err != nil { | ||
| log.L.WithError(err).Errorf("umount") | ||
| } | ||
| }() | ||
|
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| // make sure blobcache ready | ||
| err = filepath.WalkDir(ctx.Env.MountDir, func(path string, entry fs.DirEntry, err error) error { | ||
| require.Nil(t, err) | ||
| if entry.Type().IsRegular() { | ||
| targetPath, err := filepath.Rel(ctx.Env.MountDir, path) | ||
| require.NoError(t, err) | ||
| _, _ = os.ReadFile(targetPath) | ||
| } | ||
| return nil | ||
| }) | ||
| require.NoError(t, err) | ||
|
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| a.compareTwoFiles(t, filepath.Join(blobcacheDir,fmt.Sprintf("%s.blob.data", ociBlobDigest.Hex())), filepath.Join(ctx.Env.CacheDir, fmt.Sprintf("%s.blob.data", ociBlobDigest.Hex()))) | ||
| a.compareTwoFiles(t, filepath.Join(blobcacheDir, fmt.Sprintf("%s.blob.meta", ociBlobDigest.Hex())), filepath.Join(ctx.Env.CacheDir, fmt.Sprintf("%s.blob.meta", ociBlobDigest.Hex()))) | ||
| } | ||
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| func TestBlobCache(t *testing.T) { | ||
| os.Setenv("NYDUS_BUILDER_latest", "/root/code/image-service/target/release/nydus-image") | ||
| os.Setenv("NYDUS_NYDUSD_latest", "/root/code/image-service/target/release/nydusd") | ||
| test.Run(t, &BlobCacheTestSuite{T: t}) | ||
| } |
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