Files
zot/pkg/extensions/sync/sync_internal_test.go
T
2025-10-31 13:55:43 +02:00

997 lines
34 KiB
Go

//go:build sync
// +build sync
package sync
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"os"
"testing"
"time"
godigest "github.com/opencontainers/go-digest"
ispec "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/regclient/regclient/types/ref"
. "github.com/smartystreets/goconvey/convey"
zerr "zotregistry.dev/zot/v2/errors"
"zotregistry.dev/zot/v2/pkg/extensions/config"
syncconf "zotregistry.dev/zot/v2/pkg/extensions/config/sync"
"zotregistry.dev/zot/v2/pkg/extensions/lint"
"zotregistry.dev/zot/v2/pkg/extensions/monitoring"
"zotregistry.dev/zot/v2/pkg/log"
mTypes "zotregistry.dev/zot/v2/pkg/meta/types"
"zotregistry.dev/zot/v2/pkg/storage"
"zotregistry.dev/zot/v2/pkg/storage/cache"
storageConstants "zotregistry.dev/zot/v2/pkg/storage/constants"
"zotregistry.dev/zot/v2/pkg/storage/local"
. "zotregistry.dev/zot/v2/pkg/test/image-utils"
"zotregistry.dev/zot/v2/pkg/test/mocks"
)
func TestService(t *testing.T) {
Convey("trigger fetch tags error", t, func() {
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost"},
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
err = service.SyncRepo(context.Background(), "repo")
So(err, ShouldNotBeNil)
})
Convey("test context cancellation in SyncRepo without mock", t, func() {
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost"},
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
// Create a context that's already cancelled
ctx, cancel := context.WithCancel(context.Background())
cancel() // Cancel immediately
err = service.SyncRepo(ctx, "repo")
So(err, ShouldNotBeNil)
// This will fail at getTags before reaching the cancellation check
})
Convey("test context cancellation in SyncRepo with mock", t, func() {
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost"},
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
// Create a mock remote that returns tags so we can reach the loop
mockRemote := &mocks.SyncRemoteMock{
GetTagsFn: func(ctx context.Context, repo string) ([]string, error) {
return []string{"tag1", "tag2", "tag3"}, nil
},
}
service.remote = mockRemote
// Create a context that's already cancelled
ctx, cancel := context.WithCancel(context.Background())
cancel() // Cancel immediately
err = service.SyncRepo(ctx, "repo")
So(err, ShouldNotBeNil)
So(errors.Is(err, context.Canceled), ShouldBeTrue)
})
Convey("test SyncReferrers ReferrerList error", t, func() {
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost"},
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
// Create a minimal mock remote that only returns tags
mockRemote := &mocks.SyncRemoteMock{
GetTagsFn: func(ctx context.Context, repo string) ([]string, error) {
return []string{"tag1"}, nil
},
}
service.remote = mockRemote
// Set rc to nil to force a panic at ReferrerList call
service.rc = nil
// Use defer to catch the panic - this confirms we reached the ReferrerList call
var panicOccurred bool
defer func() {
if r := recover(); r != nil {
panicOccurred = true
t.Logf("SyncReferrers panic (expected): %v", r)
}
}()
ctx := context.Background()
err = service.SyncReferrers(ctx, "repo", "tag1", []string{"signature"})
// We expect a panic when rc is nil, which confirms we reached the ReferrerList call
So(panicOccurred, ShouldBeTrue)
})
Convey("test syncImage ReferrerList error with OnlySigned", t, func() {
onlySigned := true
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost"},
OnlySigned: &onlySigned,
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
// Create a mock remote that returns an invalid reference to trigger ReferrerList error
mockRemote := &mocks.SyncRemoteMock{
GetImageReferenceFn: func(repo string, tag string) (ref.Ref, error) {
// Return an invalid reference that will cause ReferrerList to fail with "ref is not set" error
return ref.Ref{}, nil
},
GetDigestFn: func(ctx context.Context, repo, tag string) (godigest.Digest, error) {
return godigest.Digest("sha256:abc123"), nil
},
}
service.remote = mockRemote
// Create a mock destination
mockDest := &mocks.SyncDestinationMock{
GetImageReferenceFn: func(repo string, tag string) (ref.Ref, error) {
return ref.New("local/" + repo + ":" + tag)
},
}
service.destination = mockDest
ctx := context.Background()
err = service.syncImage(ctx, "localrepo", "remoterepo", "tag1", []string{}, true)
// We expect an error when ReferrerList fails with "ref is not set" error
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "ref is not set")
})
Convey("test syncReferrers ReferrerList error", t, func() {
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost"},
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
// Create a mock remote that returns valid references
mockRemote := &mocks.SyncRemoteMock{
GetImageReferenceFn: func(repo string, tag string) (ref.Ref, error) {
return ref.New(repo + ":" + tag)
},
GetDigestFn: func(ctx context.Context, repo, tag string) (godigest.Digest, error) {
return godigest.Digest("sha256:abc123"), nil
},
}
service.remote = mockRemote
// Create a mock destination
mockDest := &mocks.SyncDestinationMock{
GetImageReferenceFn: func(repo string, tag string) (ref.Ref, error) {
return ref.New("local/" + repo + ":" + tag)
},
}
service.destination = mockDest
ctx := context.Background()
localImageRef, err := ref.New("local/repo:tag")
So(err, ShouldBeNil)
// Create an invalid remote reference that will cause ReferrerList to fail with "ref is not set" error
remoteImageRef := ref.Ref{}
err = service.syncReferrers(ctx, []string{"tag"}, "localrepo", "remoterepo", localImageRef, remoteImageRef)
// The error should be "ref is not set" as defined in regclient ReferrerList function
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "ref is not set")
})
Convey("test LoadOrStore continue path by pre-populating requestStore", t, func() {
// Strategy: Pre-populate requestStore to force LoadOrStore to return true
maxRetries := 2
retryDelay := 100 * time.Millisecond
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost:32768"}, // Invalid port to force errors
MaxRetries: &maxRetries,
RetryDelay: &retryDelay,
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
onDemand := NewOnDemand(log.NewTestLogger())
onDemand.Add(service)
ctx := context.Background()
// Step 1: Verify empty requestStore initially
initialImageCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
initialImageCount++
return true
})
So(initialImageCount, ShouldEqual, 0)
// Step 2: Pre-populate image background retry request
duplicateImageReq := request{
repo: "test-duplicate-repo",
reference: "test-duplicate-tag",
serviceID: 0,
isBackground: true,
}
onDemand.requestStore.Store(duplicateImageReq, struct{}{})
// Step 3: Verify we now have 1 request
preImageCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
preImageCount++
return true
})
So(preImageCount, ShouldEqual, 1) // Should be 1 after pre-population
// Step 4: Trigger sync - should execute continue path
err = onDemand.SyncImage(ctx, "test-duplicate-repo", "test-duplicate-tag")
So(err, ShouldNotBeNil) // Should still error due to invalid registry
// Step 5: Verify CONTINUE PATH EXECUTED - no new requests created
postImageCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
postImageCount++
return true
})
So(postImageCount, ShouldEqual, preImageCount) // Count unchanged = continue executed
// Step 6: Verify image request unchanged (proves no background goroutine started)
value, exists := onDemand.requestStore.Load(duplicateImageReq)
So(exists, ShouldBeTrue)
So(value, ShouldEqual, struct{}{}) // Should still be pre-populated value
// Step 7: Verify current state before referrer test - we should have 1 request
initialReferrerCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
initialReferrerCount++
return true
})
So(initialReferrerCount, ShouldEqual, 1) // Should have 1 from image test
// Step 8: Pre-populate referrer background retry request
duplicateReferrerReq := request{
repo: "test-duplicate-referrer-repo",
reference: "sha256:duplicate",
serviceID: 0,
isBackground: true,
}
onDemand.requestStore.Store(duplicateReferrerReq, struct{}{})
// Step 9: Verify we now have 2 requests (image + referrer)
preReferrerCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
preReferrerCount++
return true
})
So(preReferrerCount, ShouldEqual, 2) // Should have 2 after referrer pre-population
// Step 10: Trigger referrer sync - should execute continue path
err = onDemand.SyncReferrers(ctx, "test-duplicate-referrer-repo", "sha256:duplicate", []string{"signature"})
So(err, ShouldNotBeNil) // Should still error due to invalid registry
// Step 11: Verify CONTINUE PATH EXECUTED - no new referrer requests created
postReferrerCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
postReferrerCount++
return true
})
So(postReferrerCount, ShouldEqual, preReferrerCount) // Count unchanged = continue executed
// Step 12: Verify referrer request unchanged (proves no background goroutine started)
value, exists = onDemand.requestStore.Load(duplicateReferrerReq)
So(exists, ShouldBeTrue)
So(value, ShouldEqual, struct{}{}) // Should still be pre-populated value
// Step 13: Final verification - exactly 2 requests total (both pre-populated, none deleted)
finalCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
finalCount++
return true
})
So(finalCount, ShouldEqual, 2)
})
Convey("test continue paths for specific error types in on-demand sync", t, func() {
// Strategy: Create multiple services where one returns ErrSyncImageFilteredOut
// This will trigger the continue path when looping through services
ctx := context.Background()
// Create first service with content filtering
maxRetries := 2
retryDelay := 100 * time.Millisecond
conf1 := syncconf.RegistryConfig{
URLs: []string{"http://localhost:32768"}, // Invalid port to force errors
MaxRetries: &maxRetries,
RetryDelay: &retryDelay,
Content: []syncconf.Content{{
Prefix: "different-prefix", // Won't match our test repo
}},
}
service1, err := New(conf1, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
// Create second service for normal processing
conf2 := syncconf.RegistryConfig{
URLs: []string{"http://localhost:32768"}, // Invalid port to force errors
MaxRetries: &maxRetries,
RetryDelay: &retryDelay,
Content: []syncconf.Content{{
Prefix: "test-repo", // Will match our test repo
}},
}
service2, err := New(conf2, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
onDemand := NewOnDemand(log.NewTestLogger())
onDemand.Add(service1) // First service will return ErrSyncImageFilteredOut
onDemand.Add(service2) // Second service will process normally but error on network
// Test ErrSyncImageFilteredOut continue path in SyncImage
// The first service returns ErrSyncImageFilteredOut (causes continue), second service processes but errors
err = onDemand.SyncImage(ctx, "test-filtered-repo", "test-tag")
So(err, ShouldNotBeNil) // Should get error from second service (network error)
// Test ErrSyncImageFilteredOut continue path in SyncReferrers
err = onDemand.SyncReferrers(ctx, "test-filtered-referrer-repo", "sha256:test", []string{"signature"})
So(err, ShouldNotBeNil) // Should get error from second service (network error)
})
Convey("test continue paths in both SyncImage and SyncReferrers", t, func() {
// Helper function to create filter test scenario
createFilteredService := func(prefix string) (*BaseService, *BaseOnDemand) {
maxRetries := 2
retryDelay := 100 * time.Millisecond
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost:32768"}, // Invalid port to force errors
MaxRetries: &maxRetries,
RetryDelay: &retryDelay,
Content: []syncconf.Content{{
Prefix: prefix, // Won't match our test repo
}},
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
onDemand := NewOnDemand(log.NewTestLogger())
onDemand.Add(service)
return service, onDemand
}
ctx := context.Background()
// Test SyncReferrers continue path
Convey("SyncReferrers continue path", func() {
_, onDemand := createFilteredService("different-referrer-prefix")
err := onDemand.SyncReferrers(ctx, "test-unfiltered-referrer-repo", "sha256:test", []string{"signature"})
So(err, ShouldNotBeNil) // Should get error from sync process (filtered out -> continue -> network error)
})
// Test SyncImage continue path
Convey("SyncImage continue path", func() {
_, onDemand := createFilteredService("different-image-prefix")
err := onDemand.SyncImage(ctx, "test-unfiltered-image-repo", "test-tag")
So(err, ShouldNotBeNil) // Should get error from sync process (filtered out -> continue -> network error)
})
})
Convey("test background retry goroutines for both SyncImage and SyncReferrers", t, func() {
// Helper function to create background retry test scenario
createBackgroundRetryService := func(prefix string) (*BaseService, *BaseOnDemand, time.Duration) {
maxRetries := 2
retryDelay := 1 * time.Second
conf := syncconf.RegistryConfig{
URLs: []string{"http://localhost:32768"}, // Invalid port to force errors
MaxRetries: &maxRetries, // Enable retries so CanRetryOnError() returns true
RetryDelay: &retryDelay,
Content: []syncconf.Content{{
Prefix: prefix, // Will match our repo
}},
}
service, err := New(conf, "", nil, os.TempDir(), storage.StoreController{}, mocks.MetaDBMock{}, log.NewTestLogger())
So(err, ShouldBeNil)
onDemand := NewOnDemand(log.NewTestLogger())
onDemand.Add(service)
return service, onDemand, retryDelay
}
// Test SyncReferrers background retry
Convey("SyncReferrers background retry", func() {
_, onDemand, retryDelay := createBackgroundRetryService("test-background-retry")
ctx := context.Background()
// Verify initial requestStore is empty
initialCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
initialCount++
return true
})
So(initialCount, ShouldEqual, 0)
// Call SyncReferrers - should trigger background retry since:
// 1. Network error (not a continue-path error)
// 2. CanRetryOnError() returns true (maxRetries > 0)
// 3. No existing background retry
err := onDemand.SyncReferrers(ctx, "test-background-retry", "sha256:background", []string{"signature"})
So(err, ShouldNotBeNil) // Should get original network error
// Wait for background goroutine to start and store request
time.Sleep(50 * time.Millisecond)
// Verify background retry request was stored
reqBackground := request{
repo: "test-background-retry",
reference: "sha256:background",
serviceID: 0,
isBackground: true,
}
_, existsBackground := onDemand.requestStore.Load(reqBackground)
So(existsBackground, ShouldBeTrue) // Background retry request should exist
// Wait for background retry to complete and cleanup (3x retry delay)
time.Sleep(3 * retryDelay)
// Verify background retry request was cleaned up after completion
_, existsAfterCleanup := onDemand.requestStore.Load(reqBackground)
So(existsAfterCleanup, ShouldBeFalse) // Should be cleaned up by defer function after retry
})
// Test SyncImage background retry
Convey("SyncImage background retry", func() {
_, onDemand, retryDelay := createBackgroundRetryService("test-background-image-retry")
ctx := context.Background()
// Verify initial requestStore is empty
initialCount := 0
onDemand.requestStore.Range(func(key, value interface{}) bool {
initialCount++
return true
})
So(initialCount, ShouldEqual, 0)
// Call SyncImage - should trigger background retry since:
// 1. Network error (not a continue-path error)
// 2. CanRetryOnError() returns true (maxRetries > 0)
// 3. No existing background retry
err := onDemand.SyncImage(ctx, "test-background-image-retry", "background-image-tag")
So(err, ShouldNotBeNil) // Should get original network error
// Wait for background goroutine to start and store request
time.Sleep(50 * time.Millisecond)
// Verify background retry request was stored
reqBackground := request{
repo: "test-background-image-retry",
reference: "background-image-tag",
serviceID: 0,
isBackground: true,
}
_, existsBackground := onDemand.requestStore.Load(reqBackground)
So(existsBackground, ShouldBeTrue) // Background retry request should exist
// Wait for background retry to complete and cleanup (3x retry delay)
time.Sleep(3 * retryDelay)
// Verify background retry request was cleaned up after completion
_, existsAfterCleanup := onDemand.requestStore.Load(reqBackground)
So(existsAfterCleanup, ShouldBeFalse) // Should be cleaned up by defer function after retry
})
})
Convey("test assured channel waiting path", t, func() {
// Strategy: Pre-populate requestStore with a channel to GUARANTEE the channel waiting code path
// This ensures the "waiting on channel" message is logged and the channel receive happens
Convey("SyncImage assured channel waiting", func() {
onDemand := NewOnDemand(log.NewTestLogger())
// Create request and pre-populate with a channel that we control
req := request{
repo: "test-guaranteed-channel-image",
reference: "guaranteed-image-tag",
serviceID: 0,
isBackground: false,
}
// Create a channel that we control completely
pendingChannel := make(chan error, 1)
onDemand.requestStore.Store(req, pendingChannel)
// Start request that will wait on our channel
requestCompleted := make(chan error)
go func() {
err := onDemand.SyncImage(context.Background(), "test-guaranteed-channel-image", "guaranteed-image-tag")
requestCompleted <- err
}()
// Wait a moment for the request to reach the channel waiting code
time.Sleep(50 * time.Millisecond)
// Send error through our controlled channel - this proves channel waiting worked
pendingChannel <- errors.New("guaranteed channel error")
// Verify the request got our controlled error
err := <-requestCompleted
So(err, ShouldNotBeNil)
So(err.Error(), ShouldEqual, "guaranteed channel error")
})
Convey("SyncReferrers assured channel waiting", func() {
onDemand := NewOnDemand(log.NewTestLogger())
// Create request and pre-populate with a channel that we control
req := request{
repo: "test-guaranteed-channel-referrers",
reference: "sha256:guaranteed",
serviceID: 0,
isBackground: false,
}
// Create a channel that we control completely
pendingChannel := make(chan error, 1)
onDemand.requestStore.Store(req, pendingChannel)
// Start request that will wait on our channel
requestCompleted := make(chan error)
go func() {
err := onDemand.SyncReferrers(context.Background(), "test-guaranteed-channel-referrers", "sha256:guaranteed", []string{"signature"})
requestCompleted <- err
}()
// Wait a moment for the request to reach the channel waiting code
time.Sleep(50 * time.Millisecond)
// Send error through our controlled channel - this proves channel waiting worked
pendingChannel <- errors.New("guaranteed referrer channel error")
// Verify the request got our controlled error
err := <-requestCompleted
So(err, ShouldNotBeNil)
So(err.Error(), ShouldEqual, "guaranteed referrer channel error")
})
})
}
func TestDestinationRegistry(t *testing.T) {
Convey("make StoreController", t, func() {
dir := t.TempDir()
log := log.NewTestLogger()
metrics := monitoring.NewMetricsServer(false, log)
defer metrics.Stop() // Clean up metrics server to prevent resource leaks
cacheDriver, _ := storage.Create("boltdb", cache.BoltDBDriverParameters{
RootDir: dir,
Name: "cache",
UseRelPaths: true,
}, log)
syncImgStore := local.NewImageStore(dir, true, true, log, metrics, nil, cacheDriver, nil, nil)
repoName := "repo"
storeController := storage.StoreController{DefaultStore: syncImgStore}
registry := NewDestinationRegistry(storeController, storeController, nil, log)
imageReference, err := registry.GetImageReference(repoName, "1.0")
So(err, ShouldBeNil)
So(imageReference, ShouldNotBeNil)
imgStore := getImageStoreFromImageReference(repoName, imageReference, log)
// create a blob/layer
upload, err := imgStore.NewBlobUpload(repoName)
So(err, ShouldBeNil)
So(upload, ShouldNotBeEmpty)
content := []byte("this is a blob1")
buf := bytes.NewBuffer(content)
buflen := buf.Len()
digest := godigest.FromBytes(content)
So(digest, ShouldNotBeNil)
blob, err := imgStore.PutBlobChunkStreamed(repoName, upload, buf)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
bdgst1 := digest
bsize1 := len(content)
err = imgStore.FinishBlobUpload(repoName, upload, buf, digest)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
// push index image
var index ispec.Index
index.SchemaVersion = 2
index.MediaType = ispec.MediaTypeImageIndex
for i := 0; i < 4; i++ {
// upload image config blob
upload, err := imgStore.NewBlobUpload(repoName)
So(err, ShouldBeNil)
So(upload, ShouldNotBeEmpty)
cblob, cdigest := GetRandomImageConfig()
buf := bytes.NewBuffer(cblob)
buflen := buf.Len()
blob, err := imgStore.PutBlobChunkStreamed(repoName, upload, buf)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
err = imgStore.FinishBlobUpload(repoName, upload, buf, cdigest)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
// create a manifest
manifest := ispec.Manifest{
Config: ispec.Descriptor{
MediaType: ispec.MediaTypeImageConfig,
Digest: cdigest,
Size: int64(len(cblob)),
},
Layers: []ispec.Descriptor{
{
MediaType: ispec.MediaTypeImageLayer,
Digest: bdgst1,
Size: int64(bsize1),
},
},
}
manifest.SchemaVersion = 2
content, err = json.Marshal(manifest)
So(err, ShouldBeNil)
digest = godigest.FromBytes(content)
So(digest, ShouldNotBeNil)
_, _, err = imgStore.PutImageManifest(repoName, digest.String(), ispec.MediaTypeImageManifest, content)
So(err, ShouldBeNil)
index.Manifests = append(index.Manifests, ispec.Descriptor{
Digest: digest,
MediaType: ispec.MediaTypeImageManifest,
Size: int64(len(content)),
})
}
// upload index image
indexContent, err := json.Marshal(index)
So(err, ShouldBeNil)
indexDigest := godigest.FromBytes(indexContent)
So(indexDigest, ShouldNotBeNil)
_, _, err = imgStore.PutImageManifest(repoName, "1.0", ispec.MediaTypeImageIndex, indexContent)
So(err, ShouldBeNil)
Convey("sync index image", func() {
ok, err := registry.CanSkipImage(repoName, "1.0", indexDigest)
So(ok, ShouldBeFalse)
So(err, ShouldBeNil)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldBeNil)
})
Convey("CleanupImage()", func() {
ok, err := registry.CanSkipImage(repoName, "1.0", indexDigest)
So(ok, ShouldBeFalse)
So(err, ShouldBeNil)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldBeNil)
err = registry.CleanupImage(imageReference, repoName)
So(err, ShouldBeNil)
})
Convey("trigger GetImageManifest error in CommitImage()", func() {
err = os.Chmod(imgStore.BlobPath(repoName, indexDigest), 0o000)
So(err, ShouldBeNil)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldNotBeNil)
})
Convey("trigger linter error in CommitImage()", func() {
defaultVal := true
linter := lint.NewLinter(&config.LintConfig{
BaseConfig: config.BaseConfig{
Enable: &defaultVal,
},
MandatoryAnnotations: []string{"annot1"},
}, log)
syncImgStore := local.NewImageStore(dir, true, true, log, metrics, linter, cacheDriver, nil, nil)
repoName := "repo"
storeController := storage.StoreController{DefaultStore: syncImgStore}
registry := NewDestinationRegistry(storeController, storeController, nil, log)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldBeNil)
})
Convey("trigger GetBlobContent on manifest error in CommitImage()", func() {
err = os.Chmod(imgStore.BlobPath(repoName, digest), 0o000)
So(err, ShouldBeNil)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldNotBeNil)
})
Convey("trigger copyBlob() error in CommitImage()", func() {
err = os.Chmod(imgStore.BlobPath(repoName, bdgst1), 0o000)
So(err, ShouldBeNil)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldNotBeNil)
})
Convey("trigger PutImageManifest error on index manifest in CommitImage()", func() {
err = os.MkdirAll(syncImgStore.BlobPath(repoName, indexDigest), storageConstants.DefaultDirPerms)
So(err, ShouldBeNil)
err = os.Chmod(syncImgStore.BlobPath(repoName, indexDigest), 0o000)
So(err, ShouldBeNil)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldNotBeNil)
})
Convey("trigger metaDB error on index manifest in CommitImage()", func() {
storeController := storage.StoreController{DefaultStore: syncImgStore}
registry := NewDestinationRegistry(storeController, storeController, mocks.MetaDBMock{
SetRepoReferenceFn: func(ctx context.Context, repo string, reference string, imageMeta mTypes.ImageMeta) error {
if reference == "1.0" {
return zerr.ErrRepoMetaNotFound
}
return nil
},
}, log)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldNotBeNil)
})
Convey("trigger metaDB error on image manifest in CommitImage()", func() {
storeController := storage.StoreController{DefaultStore: syncImgStore}
registry := NewDestinationRegistry(storeController, storeController, mocks.MetaDBMock{
SetRepoReferenceFn: func(ctx context.Context, repo, reference string, imageMeta mTypes.ImageMeta) error {
return zerr.ErrRepoMetaNotFound
},
}, log)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldNotBeNil)
})
Convey("trigger GetBlobContent error on manifest within image index in copyManifest()", func() {
// This test specifically targets the error where GetBlobContent fails for a manifest
// that is part of an image index.
// Create a destination registry using the existing syncImgStore as temp storage
storeController := storage.StoreController{DefaultStore: syncImgStore}
registry := NewDestinationRegistry(storeController, storeController, nil, log)
// Get an image reference - this will create a temp session directory
imageReference, err := registry.GetImageReference(repoName, "test-index")
So(err, ShouldBeNil)
// Get the temp image store from the image reference
tempImgStore := getImageStoreFromImageReference(repoName, imageReference, log)
// Create an image index with multiple manifests
var index ispec.Index
index.SchemaVersion = 2
index.MediaType = ispec.MediaTypeImageIndex
// Create child manifests
for i := 0; i < 2; i++ {
// Create blob content
content := []byte(fmt.Sprintf("this is blob %d", i))
buf := bytes.NewBuffer(content)
buflen := buf.Len()
digest := godigest.FromBytes(content)
So(digest, ShouldNotBeNil)
// Upload blob
upload, err := tempImgStore.NewBlobUpload(repoName)
So(err, ShouldBeNil)
So(upload, ShouldNotBeEmpty)
blob, err := tempImgStore.PutBlobChunkStreamed(repoName, upload, buf)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
err = tempImgStore.FinishBlobUpload(repoName, upload, buf, digest)
So(err, ShouldBeNil)
// Create config blob
cblob := []byte(fmt.Sprintf(`{"architecture":"amd64","os":"linux","config":{"User":"test%d"}}`, i))
cdigest := godigest.FromBytes(cblob)
So(cdigest, ShouldNotBeNil)
upload, err = tempImgStore.NewBlobUpload(repoName)
So(err, ShouldBeNil)
So(upload, ShouldNotBeEmpty)
cbuf := bytes.NewBuffer(cblob)
blob, err = tempImgStore.PutBlobChunkStreamed(repoName, upload, cbuf)
So(err, ShouldBeNil)
So(blob, ShouldEqual, len(cblob))
err = tempImgStore.FinishBlobUpload(repoName, upload, cbuf, cdigest)
So(err, ShouldBeNil)
// Create a manifest
manifest := ispec.Manifest{
Config: ispec.Descriptor{
MediaType: ispec.MediaTypeImageConfig,
Digest: cdigest,
Size: int64(len(cblob)),
},
Layers: []ispec.Descriptor{
{
MediaType: ispec.MediaTypeImageLayer,
Digest: digest,
Size: int64(buflen),
},
},
}
manifest.SchemaVersion = 2
manifestContent, err := json.Marshal(manifest)
So(err, ShouldBeNil)
manifestDigest := godigest.FromBytes(manifestContent)
So(manifestDigest, ShouldNotBeNil)
// Store the manifest in the temp image store
_, _, err = tempImgStore.PutImageManifest(repoName, manifestDigest.String(), ispec.MediaTypeImageManifest, manifestContent)
So(err, ShouldBeNil)
// Add to index
index.Manifests = append(index.Manifests, ispec.Descriptor{
Digest: manifestDigest,
MediaType: ispec.MediaTypeImageManifest,
Size: int64(len(manifestContent)),
})
}
// Create the index manifest
indexContent, err := json.Marshal(index)
So(err, ShouldBeNil)
indexDigest := godigest.FromBytes(indexContent)
So(indexDigest, ShouldNotBeNil)
// Store the index manifest in the temp image store
_, _, err = tempImgStore.PutImageManifest(repoName, indexDigest.String(), ispec.MediaTypeImageIndex, indexContent)
So(err, ShouldBeNil)
// Now remove one of the child manifest blobs to trigger the error
childManifestDigest := index.Manifests[1].Digest
err = os.Remove(tempImgStore.BlobPath(repoName, childManifestDigest))
So(err, ShouldBeNil)
// Create a descriptor for the index manifest
desc := ispec.Descriptor{
Digest: indexDigest,
MediaType: ispec.MediaTypeImageIndex,
Size: int64(len(indexContent)),
}
// Initialize the seen slice
seen := &[]godigest.Digest{}
// Call copyManifest directly with the index manifest - this should trigger the error path at lines 234-239
// when it tries to get blob content for the child manifest with the removed blob
err = registry.(*DestinationRegistry).copyManifest(repoName, desc, indexDigest.String(), tempImgStore, seen)
// Verify the error is returned and contains the expected message
So(err, ShouldNotBeNil)
So(err.Error(), ShouldContainSubstring, "blob not found")
})
Convey("push image", func() {
imageReference, err := registry.GetImageReference(repoName, "2.0")
So(err, ShouldBeNil)
So(imageReference, ShouldNotBeNil)
imgStore := getImageStoreFromImageReference(repoName, imageReference, log)
// upload image
// create a blob/layer
upload, err := imgStore.NewBlobUpload(repoName)
So(err, ShouldBeNil)
So(upload, ShouldNotBeEmpty)
content := []byte("this is a blob1")
buf := bytes.NewBuffer(content)
buflen := buf.Len()
digest := godigest.FromBytes(content)
So(digest, ShouldNotBeNil)
blob, err := imgStore.PutBlobChunkStreamed(repoName, upload, buf)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
bdgst1 := digest
bsize1 := len(content)
err = imgStore.FinishBlobUpload(repoName, upload, buf, digest)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
// upload image config blob
upload, err = imgStore.NewBlobUpload(repoName)
So(err, ShouldBeNil)
So(upload, ShouldNotBeEmpty)
cblob, cdigest := GetRandomImageConfig()
buf = bytes.NewBuffer(cblob)
buflen = buf.Len()
blob, err = imgStore.PutBlobChunkStreamed(repoName, upload, buf)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
err = imgStore.FinishBlobUpload(repoName, upload, buf, cdigest)
So(err, ShouldBeNil)
So(blob, ShouldEqual, buflen)
// create a manifest
manifest := ispec.Manifest{
Config: ispec.Descriptor{
MediaType: ispec.MediaTypeImageConfig,
Digest: cdigest,
Size: int64(len(cblob)),
},
Layers: []ispec.Descriptor{
{
MediaType: ispec.MediaTypeImageLayer,
Digest: bdgst1,
Size: int64(bsize1),
},
},
}
manifest.SchemaVersion = 2
content, err = json.Marshal(manifest)
So(err, ShouldBeNil)
digest = godigest.FromBytes(content)
So(digest, ShouldNotBeNil)
_, _, err = imgStore.PutImageManifest(repoName, "2.0", ispec.MediaTypeImageManifest, content)
So(err, ShouldBeNil)
Convey("sync image", func() {
ok, err := registry.CanSkipImage(repoName, "2.0", digest)
So(ok, ShouldBeFalse)
So(err, ShouldBeNil)
err = registry.CommitAll(repoName, imageReference)
So(err, ShouldBeNil)
})
})
})
}