mirror of
https://github.com/project-zot/zot.git
synced 2024-12-23 22:27:35 -05:00
28974e81dc
added support to point multiple storage locations in zot by running multiple instance of zot in background. see examples/config-multiple.json for more info about config. Closes #181
686 lines
18 KiB
Go
686 lines
18 KiB
Go
package storage_test
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import (
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"bytes"
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_ "crypto/sha256"
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"encoding/json"
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"io/ioutil"
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"os"
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"path"
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"strings"
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"sync"
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"testing"
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"github.com/anuvu/zot/pkg/log"
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"github.com/anuvu/zot/pkg/storage"
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godigest "github.com/opencontainers/go-digest"
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ispec "github.com/opencontainers/image-spec/specs-go/v1"
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"github.com/rs/zerolog"
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. "github.com/smartystreets/goconvey/convey"
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)
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func TestAPIs(t *testing.T) {
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dir, err := ioutil.TempDir("", "oci-repo-test")
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if err != nil {
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panic(err)
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}
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defer os.RemoveAll(dir)
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il := storage.NewImageStore(dir, true, true, log.Logger{Logger: zerolog.New(os.Stdout)})
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Convey("Repo layout", t, func(c C) {
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repoName := "test"
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Convey("Validate repo without initialization", func() {
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v, err := il.ValidateRepo(repoName)
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So(v, ShouldEqual, false)
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So(err, ShouldNotBeNil)
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})
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Convey("Initialize repo", func() {
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err := il.InitRepo(repoName)
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So(err, ShouldBeNil)
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})
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Convey("Validate repo", func() {
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v, err := il.ValidateRepo(repoName)
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So(err, ShouldBeNil)
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So(v, ShouldEqual, true)
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})
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Convey("Get repos", func() {
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v, err := il.GetRepositories()
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So(err, ShouldBeNil)
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So(v, ShouldNotBeEmpty)
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})
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Convey("Get image tags", func() {
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v, err := il.GetImageTags("test")
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So(err, ShouldBeNil)
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So(v, ShouldBeEmpty)
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})
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Convey("Full blob upload", func() {
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body := []byte("this is a blob")
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buf := bytes.NewBuffer(body)
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d := godigest.FromBytes(body)
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u, n, err := il.FullBlobUpload("test", buf, d.String())
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So(err, ShouldBeNil)
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So(n, ShouldEqual, len(body))
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So(u, ShouldNotBeEmpty)
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})
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Convey("New blob upload", func() {
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v, err := il.NewBlobUpload("test")
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So(err, ShouldBeNil)
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So(v, ShouldNotBeEmpty)
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Convey("Get blob upload", func() {
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b, err := il.GetBlobUpload("test", "invalid")
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So(err, ShouldNotBeNil)
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So(b, ShouldEqual, -1)
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b, err = il.GetBlobUpload("test", v)
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So(err, ShouldBeNil)
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So(b, ShouldBeGreaterThanOrEqualTo, 0)
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b, err = il.BlobUploadInfo("test", v)
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So(err, ShouldBeNil)
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So(b, ShouldBeGreaterThanOrEqualTo, 0)
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content := []byte("test-data1")
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buf := bytes.NewBuffer(content)
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l := buf.Len()
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d := godigest.FromBytes(content)
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b, err = il.PutBlobChunk("test", v, 0, int64(l), buf)
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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blobDigest := d
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err = il.FinishBlobUpload("test", v, buf, d.String())
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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_, _, err = il.CheckBlob("test", d.String(), "application/vnd.oci.image.layer.v1.tar+gzip")
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So(err, ShouldBeNil)
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_, _, err = il.GetBlob("test", d.String(), "application/vnd.oci.image.layer.v1.tar+gzip")
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So(err, ShouldBeNil)
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m := ispec.Manifest{}
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m.SchemaVersion = 2
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mb, _ := json.Marshal(m)
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Convey("Bad image manifest", func() {
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_, err = il.PutImageManifest("test", d.String(), "application/json", mb)
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So(err, ShouldNotBeNil)
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_, err = il.PutImageManifest("test", d.String(), ispec.MediaTypeImageManifest, []byte{})
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So(err, ShouldNotBeNil)
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_, err = il.PutImageManifest("test", d.String(), ispec.MediaTypeImageManifest, mb)
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So(err, ShouldNotBeNil)
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_, _, _, err = il.GetImageManifest("test", d.String())
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So(err, ShouldNotBeNil)
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})
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Convey("Good image manifest", func() {
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m := ispec.Manifest{
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Config: ispec.Descriptor{
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Digest: d,
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Size: int64(l),
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},
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Layers: []ispec.Descriptor{
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{
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MediaType: "application/vnd.oci.image.layer.v1.tar",
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Digest: d,
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Size: int64(l),
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},
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},
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Annotations: map[string]string{ispec.AnnotationRefName: "1.0"},
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}
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m.SchemaVersion = 2
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mb, _ = json.Marshal(m)
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d := godigest.FromBytes(mb)
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_, err = il.PutImageManifest("test", d.String(), ispec.MediaTypeImageManifest, mb)
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So(err, ShouldBeNil)
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_, err = il.GetImageTags("test")
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So(err, ShouldBeNil)
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_, _, _, err = il.GetImageManifest("test", d.String())
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So(err, ShouldBeNil)
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err = il.DeleteImageManifest("test", "1.0")
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So(err, ShouldNotBeNil)
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err = il.DeleteBlob("test", blobDigest.String())
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So(err, ShouldBeNil)
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err = il.DeleteImageManifest("test", d.String())
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So(err, ShouldBeNil)
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_, _, _, err = il.GetImageManifest("test", d.String())
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So(err, ShouldNotBeNil)
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})
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})
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err = il.DeleteBlobUpload("test", v)
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So(err, ShouldNotBeNil)
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})
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Convey("New blob upload streamed", func() {
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v, err := il.NewBlobUpload("test")
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So(err, ShouldBeNil)
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So(v, ShouldNotBeEmpty)
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Convey("Get blob upload", func() {
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b, err := il.GetBlobUpload("test", "invalid")
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So(err, ShouldNotBeNil)
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So(b, ShouldEqual, -1)
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b, err = il.GetBlobUpload("test", v)
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So(err, ShouldBeNil)
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So(b, ShouldBeGreaterThanOrEqualTo, 0)
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b, err = il.BlobUploadInfo("test", v)
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So(err, ShouldBeNil)
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So(b, ShouldBeGreaterThanOrEqualTo, 0)
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content := []byte("test-data2")
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buf := bytes.NewBuffer(content)
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l := buf.Len()
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d := godigest.FromBytes(content)
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b, err = il.PutBlobChunkStreamed("test", v, buf)
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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err = il.FinishBlobUpload("test", v, buf, d.String())
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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_, _, err = il.CheckBlob("test", d.String(), "application/vnd.oci.image.layer.v1.tar+gzip")
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So(err, ShouldBeNil)
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_, _, err = il.GetBlob("test", d.String(), "application/vnd.oci.image.layer.v1.tar+gzip")
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So(err, ShouldBeNil)
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m := ispec.Manifest{}
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m.SchemaVersion = 2
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mb, _ := json.Marshal(m)
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Convey("Bad image manifest", func() {
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_, err = il.PutImageManifest("test", d.String(), ispec.MediaTypeImageManifest, mb)
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So(err, ShouldNotBeNil)
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_, _, _, err = il.GetImageManifest("test", d.String())
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So(err, ShouldNotBeNil)
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})
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Convey("Good image manifest", func() {
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m := ispec.Manifest{
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Config: ispec.Descriptor{
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Digest: d,
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Size: int64(l),
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},
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Layers: []ispec.Descriptor{
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{
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MediaType: "application/vnd.oci.image.layer.v1.tar",
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Digest: d,
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Size: int64(l),
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},
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},
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}
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m.SchemaVersion = 2
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mb, _ = json.Marshal(m)
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d := godigest.FromBytes(mb)
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_, err = il.PutImageManifest("test", d.String(), ispec.MediaTypeImageManifest, mb)
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So(err, ShouldBeNil)
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_, _, _, err = il.GetImageManifest("test", d.String())
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So(err, ShouldBeNil)
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err = il.DeleteImageManifest("test", "1.0")
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So(err, ShouldNotBeNil)
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err = il.DeleteImageManifest("test", d.String())
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So(err, ShouldBeNil)
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_, _, _, err = il.GetImageManifest("test", d.String())
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So(err, ShouldNotBeNil)
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})
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})
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err = il.DeleteBlobUpload("test", v)
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So(err, ShouldNotBeNil)
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})
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Convey("Modify manifest in-place", func() {
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// original blob
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v, err := il.NewBlobUpload("replace")
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So(err, ShouldBeNil)
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So(v, ShouldNotBeEmpty)
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content := []byte("test-data-replace-1")
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buf := bytes.NewBuffer(content)
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l := buf.Len()
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d := godigest.FromBytes(content)
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b, err := il.PutBlobChunkStreamed("replace", v, buf)
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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blobDigest1 := strings.Split(d.String(), ":")[1]
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So(blobDigest1, ShouldNotBeEmpty)
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err = il.FinishBlobUpload("replace", v, buf, d.String())
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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m := ispec.Manifest{}
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m.SchemaVersion = 2
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m = ispec.Manifest{
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Config: ispec.Descriptor{
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Digest: d,
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Size: int64(l),
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},
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Layers: []ispec.Descriptor{
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{
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MediaType: "application/vnd.oci.image.layer.v1.tar",
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Digest: d,
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Size: int64(l),
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},
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},
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}
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m.SchemaVersion = 2
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mb, _ := json.Marshal(m)
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d = godigest.FromBytes(mb)
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_, err = il.PutImageManifest("replace", "1.0", ispec.MediaTypeImageManifest, mb)
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So(err, ShouldBeNil)
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_, _, _, err = il.GetImageManifest("replace", d.String())
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So(err, ShouldBeNil)
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// new blob to replace
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v, err = il.NewBlobUpload("replace")
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So(err, ShouldBeNil)
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So(v, ShouldNotBeEmpty)
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content = []byte("test-data-replace-2")
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buf = bytes.NewBuffer(content)
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l = buf.Len()
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d = godigest.FromBytes(content)
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b, err = il.PutBlobChunkStreamed("replace", v, buf)
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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blobDigest2 := strings.Split(d.String(), ":")[1]
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So(blobDigest2, ShouldNotBeEmpty)
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err = il.FinishBlobUpload("replace", v, buf, d.String())
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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m = ispec.Manifest{
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Config: ispec.Descriptor{
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Digest: d,
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Size: int64(l),
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},
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Layers: []ispec.Descriptor{
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{
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MediaType: "application/vnd.oci.image.layer.v1.tar",
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Digest: d,
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Size: int64(l),
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},
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},
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}
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m.SchemaVersion = 2
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mb, _ = json.Marshal(m)
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_ = godigest.FromBytes(mb)
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_, err = il.PutImageManifest("replace", "1.0", ispec.MediaTypeImageManifest, mb)
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So(err, ShouldBeNil)
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})
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Convey("Dedupe", func() {
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blobDigest1 := ""
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blobDigest2 := ""
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// manifest1
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v, err := il.NewBlobUpload("dedupe1")
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So(err, ShouldBeNil)
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So(v, ShouldNotBeEmpty)
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content := []byte("test-data3")
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buf := bytes.NewBuffer(content)
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l := buf.Len()
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d := godigest.FromBytes(content)
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b, err := il.PutBlobChunkStreamed("dedupe1", v, buf)
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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blobDigest1 = strings.Split(d.String(), ":")[1]
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So(blobDigest1, ShouldNotBeEmpty)
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err = il.FinishBlobUpload("dedupe1", v, buf, d.String())
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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_, _, err = il.CheckBlob("dedupe1", d.String(), "application/vnd.oci.image.layer.v1.tar+gzip")
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So(err, ShouldBeNil)
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_, _, err = il.GetBlob("dedupe1", d.String(), "application/vnd.oci.image.layer.v1.tar+gzip")
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So(err, ShouldBeNil)
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m := ispec.Manifest{}
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m.SchemaVersion = 2
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m = ispec.Manifest{
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Config: ispec.Descriptor{
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Digest: d,
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Size: int64(l),
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},
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Layers: []ispec.Descriptor{
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{
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MediaType: "application/vnd.oci.image.layer.v1.tar",
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Digest: d,
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Size: int64(l),
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},
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},
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}
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m.SchemaVersion = 2
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mb, _ := json.Marshal(m)
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d = godigest.FromBytes(mb)
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_, err = il.PutImageManifest("dedupe1", d.String(), ispec.MediaTypeImageManifest, mb)
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So(err, ShouldBeNil)
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_, _, _, err = il.GetImageManifest("dedupe1", d.String())
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So(err, ShouldBeNil)
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// manifest2
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v, err = il.NewBlobUpload("dedupe2")
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So(err, ShouldBeNil)
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So(v, ShouldNotBeEmpty)
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content = []byte("test-data3")
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buf = bytes.NewBuffer(content)
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l = buf.Len()
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d = godigest.FromBytes(content)
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b, err = il.PutBlobChunkStreamed("dedupe2", v, buf)
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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blobDigest2 = strings.Split(d.String(), ":")[1]
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So(blobDigest2, ShouldNotBeEmpty)
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err = il.FinishBlobUpload("dedupe2", v, buf, d.String())
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So(err, ShouldBeNil)
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So(b, ShouldEqual, l)
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_, _, err = il.CheckBlob("dedupe2", d.String(), "application/vnd.oci.image.layer.v1.tar+gzip")
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So(err, ShouldBeNil)
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_, _, err = il.GetBlob("dedupe2", d.String(), "application/vnd.oci.image.layer.v1.tar+gzip")
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So(err, ShouldBeNil)
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m = ispec.Manifest{}
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m.SchemaVersion = 2
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m = ispec.Manifest{
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Config: ispec.Descriptor{
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Digest: d,
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Size: int64(l),
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},
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Layers: []ispec.Descriptor{
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{
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MediaType: "application/vnd.oci.image.layer.v1.tar",
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Digest: d,
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Size: int64(l),
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},
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},
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}
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m.SchemaVersion = 2
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mb, _ = json.Marshal(m)
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d = godigest.FromBytes(mb)
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_, err = il.PutImageManifest("dedupe2", "1.0", ispec.MediaTypeImageManifest, mb)
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So(err, ShouldBeNil)
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_, _, _, err = il.GetImageManifest("dedupe2", d.String())
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So(err, ShouldBeNil)
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// verify that dedupe with hard links happened
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fi1, err := os.Stat(path.Join(dir, "dedupe2", "blobs", "sha256", blobDigest1))
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So(err, ShouldBeNil)
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fi2, err := os.Stat(path.Join(dir, "dedupe2", "blobs", "sha256", blobDigest2))
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So(err, ShouldBeNil)
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So(os.SameFile(fi1, fi2), ShouldBeTrue)
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})
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Convey("Locks", func() {
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// in parallel, a mix of read and write locks - mainly for coverage
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var wg sync.WaitGroup
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for i := 0; i < 1000; i++ {
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wg.Add(2)
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go func() {
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defer wg.Done()
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il.Lock()
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func() {}()
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il.Unlock()
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}()
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go func() {
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defer wg.Done()
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il.RLock()
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func() {}()
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il.RUnlock()
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}()
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}
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wg.Wait()
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})
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})
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}
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func TestDedupe(t *testing.T) {
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Convey("Dedupe", t, func(c C) {
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Convey("Nil ImageStore", func() {
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is := &storage.ImageStore{}
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So(func() { _ = is.DedupeBlob("", "", "") }, ShouldPanic)
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})
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Convey("Valid ImageStore", func() {
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dir, err := ioutil.TempDir("", "oci-repo-test")
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if err != nil {
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panic(err)
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}
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defer os.RemoveAll(dir)
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is := storage.NewImageStore(dir, true, true, log.Logger{Logger: zerolog.New(os.Stdout)})
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So(is.DedupeBlob("", "", ""), ShouldNotBeNil)
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})
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})
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}
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func TestNegativeCases(t *testing.T) {
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Convey("Invalid root dir", t, func(c C) {
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dir, err := ioutil.TempDir("", "oci-repo-test")
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if err != nil {
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panic(err)
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}
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os.RemoveAll(dir)
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So(storage.NewImageStore(dir, true, true, log.Logger{Logger: zerolog.New(os.Stdout)}), ShouldNotBeNil)
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if os.Geteuid() != 0 {
|
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So(storage.NewImageStore("/deadBEEF", true, true, log.Logger{Logger: zerolog.New(os.Stdout)}), ShouldBeNil)
|
|
}
|
|
})
|
|
|
|
Convey("Invalid init repo", t, func(c C) {
|
|
dir, err := ioutil.TempDir("", "oci-repo-test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer os.RemoveAll(dir)
|
|
il := storage.NewImageStore(dir, true, true, log.Logger{Logger: zerolog.New(os.Stdout)})
|
|
err = os.Chmod(dir, 0000) // remove all perms
|
|
So(err, ShouldBeNil)
|
|
if os.Geteuid() != 0 {
|
|
err = il.InitRepo("test")
|
|
So(err, ShouldNotBeNil)
|
|
}
|
|
})
|
|
|
|
Convey("Invalid validate repo", t, func(c C) {
|
|
dir, err := ioutil.TempDir("", "oci-repo-test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer os.RemoveAll(dir)
|
|
il := storage.NewImageStore(dir, true, true, log.Logger{Logger: zerolog.New(os.Stdout)})
|
|
So(il, ShouldNotBeNil)
|
|
So(il.InitRepo("test"), ShouldBeNil)
|
|
files, err := ioutil.ReadDir(path.Join(dir, "test"))
|
|
So(err, ShouldBeNil)
|
|
for _, f := range files {
|
|
os.Remove(path.Join(dir, "test", f.Name()))
|
|
}
|
|
_, err = il.ValidateRepo("test")
|
|
So(err, ShouldNotBeNil)
|
|
os.RemoveAll(path.Join(dir, "test"))
|
|
_, err = il.ValidateRepo("test")
|
|
So(err, ShouldNotBeNil)
|
|
err = os.Chmod(dir, 0000) // remove all perms
|
|
So(err, ShouldBeNil)
|
|
if os.Geteuid() != 0 {
|
|
So(func() { _, _ = il.ValidateRepo("test") }, ShouldPanic)
|
|
}
|
|
os.RemoveAll(dir)
|
|
_, err = il.GetRepositories()
|
|
So(err, ShouldNotBeNil)
|
|
})
|
|
|
|
Convey("Invalid get image tags", t, func(c C) {
|
|
il := &storage.ImageStore{}
|
|
_, err := il.GetImageTags("test")
|
|
So(err, ShouldNotBeNil)
|
|
|
|
dir, err := ioutil.TempDir("", "oci-repo-test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer os.RemoveAll(dir)
|
|
il = storage.NewImageStore(dir, true, true, log.Logger{Logger: zerolog.New(os.Stdout)})
|
|
So(il, ShouldNotBeNil)
|
|
So(il.InitRepo("test"), ShouldBeNil)
|
|
So(os.Remove(path.Join(dir, "test", "index.json")), ShouldBeNil)
|
|
_, err = il.GetImageTags("test")
|
|
So(err, ShouldNotBeNil)
|
|
So(os.RemoveAll(path.Join(dir, "test")), ShouldBeNil)
|
|
So(il.InitRepo("test"), ShouldBeNil)
|
|
So(ioutil.WriteFile(path.Join(dir, "test", "index.json"), []byte{}, 0600), ShouldBeNil)
|
|
_, err = il.GetImageTags("test")
|
|
So(err, ShouldNotBeNil)
|
|
})
|
|
|
|
Convey("Invalid get image manifest", t, func(c C) {
|
|
il := &storage.ImageStore{}
|
|
_, _, _, err := il.GetImageManifest("test", "")
|
|
So(err, ShouldNotBeNil)
|
|
|
|
dir, err := ioutil.TempDir("", "oci-repo-test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer os.RemoveAll(dir)
|
|
il = storage.NewImageStore(dir, true, true, log.Logger{Logger: zerolog.New(os.Stdout)})
|
|
So(il, ShouldNotBeNil)
|
|
So(il.InitRepo("test"), ShouldBeNil)
|
|
So(os.Remove(path.Join(dir, "test", "index.json")), ShouldBeNil)
|
|
_, _, _, err = il.GetImageManifest("test", "")
|
|
So(err, ShouldNotBeNil)
|
|
So(os.RemoveAll(path.Join(dir, "test")), ShouldBeNil)
|
|
So(il.InitRepo("test"), ShouldBeNil)
|
|
So(ioutil.WriteFile(path.Join(dir, "test", "index.json"), []byte{}, 0600), ShouldBeNil)
|
|
_, _, _, err = il.GetImageManifest("test", "")
|
|
So(err, ShouldNotBeNil)
|
|
})
|
|
}
|
|
|
|
func TestHardLink(t *testing.T) {
|
|
Convey("Test if filesystem supports hardlink", t, func() {
|
|
dir, err := ioutil.TempDir("", "storage-hard-test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer os.RemoveAll(dir)
|
|
|
|
err = storage.ValidateHardLink(dir)
|
|
So(err, ShouldBeNil)
|
|
|
|
err = ioutil.WriteFile(path.Join(dir, "hardtest.txt"), []byte("testing hard link code"), 0644) //nolint: gosec
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
err = os.Chmod(dir, 0400)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
err = storage.CheckHardLink(path.Join(dir, "hardtest.txt"), path.Join(dir, "duphardtest.txt"))
|
|
So(err, ShouldNotBeNil)
|
|
|
|
err = os.Chmod(dir, 0644)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestStorageHandler(t *testing.T) {
|
|
Convey("Test storage handler", t, func() {
|
|
// Create temporary directory
|
|
firstRootDir, err := ioutil.TempDir("", "util_test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer os.RemoveAll(firstRootDir)
|
|
|
|
secondRootDir, err := ioutil.TempDir("", "util_test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer os.RemoveAll(secondRootDir)
|
|
|
|
thirdRootDir, err := ioutil.TempDir("", "util_test")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer os.RemoveAll(thirdRootDir)
|
|
|
|
log := log.NewLogger("debug", "")
|
|
|
|
// Create ImageStore
|
|
firstStore := storage.NewImageStore(firstRootDir, false, false, log)
|
|
|
|
secondStore := storage.NewImageStore(secondRootDir, false, false, log)
|
|
|
|
thirdStore := storage.NewImageStore(thirdRootDir, false, false, log)
|
|
|
|
storeController := storage.StoreController{}
|
|
|
|
storeController.DefaultStore = firstStore
|
|
|
|
subStore := make(map[string]*storage.ImageStore)
|
|
|
|
subStore["/a"] = secondStore
|
|
subStore["/b"] = thirdStore
|
|
|
|
storeController.SubStore = subStore
|
|
|
|
is := storeController.GetImageStore("zot-x-test")
|
|
So(is.RootDir(), ShouldEqual, firstRootDir)
|
|
|
|
is = storeController.GetImageStore("a/zot-a-test")
|
|
So(is.RootDir(), ShouldEqual, secondRootDir)
|
|
|
|
is = storeController.GetImageStore("b/zot-b-test")
|
|
So(is.RootDir(), ShouldEqual, thirdRootDir)
|
|
|
|
is = storeController.GetImageStore("c/zot-c-test")
|
|
So(is.RootDir(), ShouldEqual, firstRootDir)
|
|
})
|
|
}
|