feat(api): 集群列表读改走 informer 缓存，审核队列、我的提交与备份列表改为服务端分页筛选并一次批量查构建，面板三页跟进

internal/build/build.go

@@ -198,6 +198,9 @@ type Store interface {
 	CreateBuild(ctx context.Context, b *Build) error
 	// GetBuild loads one build, or ErrNotFound.
 	GetBuild(ctx context.Context, id string) (*Build, error)
+	// GetBuilds loads the builds among ids that exist, in no particular order and
+	// without their Dockerfile — one query for a whole list's worth of lookups.
+	GetBuilds(ctx context.Context, ids []string) ([]Build, error)
 	// SetBuildJob records the Job name and advances status to building.
 	SetBuildJob(ctx context.Context, id, jobName string) error
 	// FinishBuild sets a terminal status, an optional error, and finished_at.
@@ -519,6 +522,24 @@ func (b *Builder) Get(ctx context.Context, id string) (*Build, error) {
 	return b.Store.GetBuild(ctx, id)
 }
 
+// GetMany returns the builds among ids that exist, keyed by id, read as stored
+// (no reconcile) and without their Dockerfile. An id with no row is absent from
+// the map.
+func (b *Builder) GetMany(ctx context.Context, ids []string) (map[string]Build, error) {
+	out := make(map[string]Build, len(ids))
+	if len(ids) == 0 {
+		return out, nil
+	}
+	builds, err := b.Store.GetBuilds(ctx, ids)
+	if err != nil {
+		return nil, err
+	}
+	for _, bld := range builds {
+		out[bld.ID] = bld
+	}
+	return out, nil
+}
+
 // ListBuilds pages the build history for the admin panel, so every admin sees
 // every build (and can cancel a running one) from any browser. It reads rows as
 // stored: reconcileBuilds advances them in the background, and GET

internal/build/build_test.go

@@ -25,6 +25,8 @@ type fakeStore struct {
 	removeErr error
 	createErr error
 	listOpts  ListOpts
+
+	getManyCalls int
 }
 
 func newFakeStore() *fakeStore {
@@ -49,6 +51,17 @@ func (f *fakeStore) GetBuild(_ context.Context, id string) (*Build, error) {
 	return &cp, nil
 }
 
+func (f *fakeStore) GetBuilds(_ context.Context, ids []string) ([]Build, error) {
+	f.getManyCalls++
+	var out []Build
+	for _, id := range ids {
+		if b, ok := f.builds[id]; ok {
+			out = append(out, *b)
+		}
+	}
+	return out, nil
+}
+
 func (f *fakeStore) SetBuildJob(_ context.Context, id, jobName string) error {
 	b, ok := f.builds[id]
 	if !ok {
@@ -776,3 +789,28 @@ func TestListBuildsBoundsThePage(t *testing.T) {
 		}
 	}
 }
+
+// GetMany answers a whole list's lookups with one store read, keys the rows by
+// id, leaves an unknown id out, and asks nothing of the store for an empty list.
+func TestGetManyIsOneRead(t *testing.T) {
+	b, st, _ := newBuilder()
+	st.builds["bld-1"] = &Build{ID: "bld-1", Status: StatusFailed, Error: "scan found a CRITICAL CVE"}
+	st.builds["bld-2"] = &Build{ID: "bld-2", Status: StatusSucceeded}
+	got, err := b.GetMany(context.Background(), []string{"bld-1", "bld-2", "bld-gone"})
+	if err != nil {
+		t.Fatalf("GetMany: %v", err)
+	}
+	if st.getManyCalls != 1 {
+		t.Fatalf("store reads = %d, want 1", st.getManyCalls)
+	}
+	if len(got) != 2 || got["bld-1"].Status != StatusFailed || got["bld-1"].Error != "scan found a CRITICAL CVE" ||
+		got["bld-2"].Status != StatusSucceeded {
+		t.Fatalf("GetMany = %+v, want bld-1 failed and bld-2 succeeded", got)
+	}
+	if _, ok := got["bld-gone"]; ok {
+		t.Fatal("an unknown id must be absent")
+	}
+	if got, err := b.GetMany(context.Background(), nil); err != nil || len(got) != 0 || st.getManyCalls != 1 {
+		t.Fatalf("GetMany(nil) = %v, %v with %d reads; want an empty map and no read", got, err, st.getManyCalls)
+	}
+}

internal/build/pgstore.go

@@ -36,6 +36,16 @@ func (s *PGStore) GetBuild(ctx context.Context, id string) (*Build, error) {
 	return s.scanBuild(s.db.QueryRowContext(ctx, q, id))
 }
 
+func (s *PGStore) GetBuilds(ctx context.Context, ids []string) ([]Build, error) {
+	rows, err := s.db.QueryContext(ctx, `SELECT id, image_ref, status, '', context_ref, base_image,
+			requested_by, job_name, log_ref, error, created_at, finished_at, context_digest
+		FROM image_builds WHERE id = ANY($1::text[])`, ids)
+	if err != nil {
+		return nil, err
+	}
+	return scanBuilds(rows)
+}
+
 func (s *PGStore) scanBuild(row *sql.Row) (*Build, error) {
 	var (
 		b                                   Build