Function startGCContext

core/metadata/gc.go:200–414

(ctx context.Context, collectors map[gc.ResourceType]Collector)

}

func startGCContext(ctx context.Context, collectors map[gc.ResourceType]Collector) *gcContext {
	var contexts map[gc.ResourceType]CollectionContext
	labelHandlers := []referenceLabelHandler{
		{
			key: labelGCContainerBackRef,
			bref: func(ns string, k, v []byte, fn func(gc.Node)) {
				if ks := string(k); ks != string(labelGCContainerBackRef) {
					// Allow reference naming separated by . or /, ignore names
					if ks[len(labelGCContainerBackRef)] != '.' && ks[len(labelGCContainerBackRef)] != '/' {
						return
					}
				}

				fn(gcnode(ResourceContainer, ns, string(v)))
			},
		},
		{
			key: labelGCContentBackRef,
			bref: func(ns string, k, v []byte, fn func(gc.Node)) {
				if ks := string(k); ks != string(labelGCContentBackRef) {
					// Allow reference naming separated by . or /, ignore names
					if ks[len(labelGCContentBackRef)] != '.' && ks[len(labelGCContentBackRef)] != '/' {
						return
					}
				}

				fn(gcnode(ResourceContent, ns, string(v)))
			},
		},
		{
			key: labelGCImageBackRef,
			bref: func(ns string, k, v []byte, fn func(gc.Node)) {
				if ks := string(k); ks != string(labelGCImageBackRef) {
					// Allow reference naming separated by . or /, ignore names
					if ks[len(labelGCImageBackRef)] != '.' && ks[len(labelGCImageBackRef)] != '/' {
						return
					}
				}

				fn(gcnode(ResourceImage, ns, string(v)))
			},
		},
		{
			key: labelGCSnapBackRef,
			bref: func(ns string, k, v []byte, fn func(gc.Node)) {
				snapshotter := k[len(labelGCSnapBackRef):]
				if i := bytes.IndexByte(snapshotter, '/'); i >= 0 {
					snapshotter = snapshotter[:i]
				}
				fn(gcnode(ResourceSnapshot, ns, fmt.Sprintf("%s/%s", snapshotter, v)))
			},
		},
		{
			key: labelGCContentRef,
			fn: func(ns string, k, v []byte, fn func(gc.Node)) {
				if ks := string(k); ks != string(labelGCContentRef) {
					// Allow reference naming separated by . or /, ignore names
					if ks[len(labelGCContentRef)] != '.' && ks[len(labelGCContentRef)] != '/' {