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feat: add memory cache backend (#7048)
Signed-off-by: knqyf263 <knqyf263@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| package cache | ||
|
|
||
| import ( | ||
| "sync" | ||
|
|
||
| "golang.org/x/xerrors" | ||
|
|
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| "github.com/aquasecurity/trivy/pkg/fanal/types" | ||
| ) | ||
|
|
||
| var _ Cache = &MemoryCache{} | ||
|
|
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| type MemoryCache struct { | ||
| artifacts sync.Map // Map to store artifact information | ||
| blobs sync.Map // Map to store blob information | ||
| } | ||
|
|
||
| func NewMemoryCache() *MemoryCache { | ||
| return &MemoryCache{} | ||
| } | ||
|
|
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| // PutArtifact stores the artifact information in the memory cache | ||
| func (c *MemoryCache) PutArtifact(artifactID string, artifactInfo types.ArtifactInfo) error { | ||
| c.artifacts.Store(artifactID, artifactInfo) | ||
| return nil | ||
| } | ||
|
|
||
| // PutBlob stores the blob information in the memory cache | ||
| func (c *MemoryCache) PutBlob(blobID string, blobInfo types.BlobInfo) error { | ||
| c.blobs.Store(blobID, blobInfo) | ||
| return nil | ||
| } | ||
|
|
||
| // DeleteBlobs removes the specified blobs from the memory cache | ||
| func (c *MemoryCache) DeleteBlobs(blobIDs []string) error { | ||
| for _, blobID := range blobIDs { | ||
| c.blobs.Delete(blobID) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| // GetArtifact retrieves the artifact information from the memory cache | ||
| func (c *MemoryCache) GetArtifact(artifactID string) (types.ArtifactInfo, error) { | ||
| info, ok := c.artifacts.Load(artifactID) | ||
| if !ok { | ||
| return types.ArtifactInfo{}, xerrors.Errorf("artifact (%s) not found in memory cache", artifactID) | ||
| } | ||
| artifactInfo, ok := info.(types.ArtifactInfo) | ||
| if !ok { | ||
| return types.ArtifactInfo{}, xerrors.Errorf("invalid type for artifact (%s) in memory cache", artifactID) | ||
| } | ||
| return artifactInfo, nil | ||
| } | ||
|
|
||
| // GetBlob retrieves the blob information from the memory cache | ||
| func (c *MemoryCache) GetBlob(blobID string) (types.BlobInfo, error) { | ||
| info, ok := c.blobs.Load(blobID) | ||
| if !ok { | ||
| return types.BlobInfo{}, xerrors.Errorf("blob (%s) not found in memory cache", blobID) | ||
| } | ||
| blobInfo, ok := info.(types.BlobInfo) | ||
| if !ok { | ||
| return types.BlobInfo{}, xerrors.Errorf("invalid type for blob (%s) in memory cache", blobID) | ||
| } | ||
| return blobInfo, nil | ||
| } | ||
|
|
||
| // MissingBlobs determines the missing artifact and blob information in the memory cache | ||
| func (c *MemoryCache) MissingBlobs(artifactID string, blobIDs []string) (bool, []string, error) { | ||
| var missingArtifact bool | ||
| var missingBlobIDs []string | ||
|
|
||
| if _, err := c.GetArtifact(artifactID); err != nil { | ||
| missingArtifact = true | ||
| } | ||
|
|
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| for _, blobID := range blobIDs { | ||
| if _, err := c.GetBlob(blobID); err != nil { | ||
| missingBlobIDs = append(missingBlobIDs, blobID) | ||
| } | ||
| } | ||
|
|
||
| return missingArtifact, missingBlobIDs, nil | ||
| } | ||
|
|
||
| // Close clears the artifact and blob information from the memory cache | ||
| func (c *MemoryCache) Close() error { | ||
| c.artifacts = sync.Map{} | ||
| c.blobs = sync.Map{} | ||
| return nil | ||
| } | ||
|
|
||
| // Clear clears the artifact and blob information from the memory cache | ||
| func (c *MemoryCache) Clear() error { | ||
| c.artifacts = sync.Map{} | ||
| c.blobs = sync.Map{} | ||
| return nil | ||
| } |
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