135 lines
3.3 KiB
Go
135 lines
3.3 KiB
Go
/*
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* Copyright 2026 Oleg Borodin <onborodin@gmail.com>
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*/
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package imageoper
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import (
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"context"
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"fmt"
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"net/http"
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"mstore/pkg/descr"
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ocidigest "github.com/opencontainers/go-digest"
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)
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type DeleteManifestParams struct {
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Name string
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Reference string
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}
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type DeleteManifestResult struct{}
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func (oper *Operator) DeleteManifest(ctx context.Context, params *DeleteManifestParams) (*DeleteManifestResult, int, error) {
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var err error
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res := &DeleteManifestResult{}
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if params.Name == "" {
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err = fmt.Errorf("Empty name")
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return res, http.StatusBadRequest, err
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}
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if params.Reference == "" {
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err = fmt.Errorf("Empty reference")
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return res, http.StatusBadRequest, err
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}
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resName := params.Name
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oper.iLock.WaitAndLock(resName)
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defer oper.iLock.Done(resName)
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var exists bool
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var reference string
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mandescr := descr.Manifest{}
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// Check manifest by digest as name
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digobj, err := ocidigest.Parse(params.Reference)
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if err == nil {
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exists, mandescr, err = oper.mdb.GetManifestByDigest(ctx, params.Name, digobj.String())
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if err != nil {
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return res, http.StatusInternalServerError, err
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}
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if !exists {
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return res, http.StatusNotFound, err
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}
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reference = mandescr.Reference
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err = oper.deleteManifestObjects(ctx, params.Name, reference)
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if err != nil {
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return res, http.StatusInternalServerError, err
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}
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} else {
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/*
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// Check manifest by name and reference
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exists, mandescrs, err := oper.mdb.GetManifestsByReference(ctx, params.Name, params.Reference)
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if err != nil {
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return res, http.StatusInternalServerError, err
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}
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if !exists {
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return res, http.StatusNotFound, err
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}
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reference = params.Reference
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for _, mandescr := range mandescrs {
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reference = mandescr.Reference
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err = oper.deleteManifestObjects(ctx, params.Name, reference)
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if err != nil {
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return res, http.StatusInternalServerError, err
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}
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}
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*/
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// Check manifest by name and reference
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exists, mandescr, err := oper.mdb.GetManifestByReference(ctx, params.Name, params.Reference)
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if err != nil {
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return res, http.StatusInternalServerError, err
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}
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if !exists {
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return res, http.StatusNotFound, err
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}
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err = oper.deleteManifestObjects(ctx, mandescr.Name, mandescr.Reference)
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if err != nil {
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return res, http.StatusInternalServerError, err
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}
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}
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// Get blobs associated with the name
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return res, http.StatusAccepted, err
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}
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func (oper *Operator) deleteManifestObjects(ctx context.Context, name, reference string) error {
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var err error
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// Get blobs associated with the name
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layers, err := oper.mdb.GetBlobsByReferense(ctx, name, reference)
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if err != nil {
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return err
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}
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for _, blob := range layers {
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// Delete descr record
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err = oper.mdb.DeleteBlobByNameDigest(ctx, blob.Name, blob.Digest)
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if err != nil {
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return err
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}
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// Check blob file
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exists, _, err := oper.store.BlobExists(name, blob.Digest)
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if err != nil {
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return err
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}
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if exists {
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// Check blob usage
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blobUsage, err := oper.mdb.GetBlobUsage(ctx, blob.Name, blob.Digest)
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if err != nil {
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return err
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}
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// Delete if blob useless
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if blobUsage == 0 {
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err = oper.store.DeleteBlob(name, blob.Digest)
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if err != nil {
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return err
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}
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}
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}
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}
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err = oper.mdb.DeleteManifest(ctx, name, reference)
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if err != nil {
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return err
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}
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return err
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}
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