rebase: update replaced k8s.io modules to v0.33.0

Signed-off-by: Niels de Vos <ndevos@ibm.com>

e2e/vendor/github.com/opencontainers/cgroups/systemd/cpuset.go

@@ -0,0 +1,60 @@
+package systemd
+
+import (
+	"errors"
+	"math/big"
+	"strconv"
+	"strings"
+)
+
+// RangeToBits converts a text representation of a CPU mask (as written to
+// or read from cgroups' cpuset.* files, e.g. "1,3-5") to a slice of bytes
+// with the corresponding bits set (as consumed by systemd over dbus as
+// AllowedCPUs/AllowedMemoryNodes unit property value).
+func RangeToBits(str string) ([]byte, error) {
+	bits := new(big.Int)
+
+	for _, r := range strings.Split(str, ",") {
+		// allow extra spaces around
+		r = strings.TrimSpace(r)
+		// allow empty elements (extra commas)
+		if r == "" {
+			continue
+		}
+		startr, endr, ok := strings.Cut(r, "-")
+		if ok {
+			start, err := strconv.ParseUint(startr, 10, 32)
+			if err != nil {
+				return nil, err
+			}
+			end, err := strconv.ParseUint(endr, 10, 32)
+			if err != nil {
+				return nil, err
+			}
+			if start > end {
+				return nil, errors.New("invalid range: " + r)
+			}
+			for i := start; i <= end; i++ {
+				bits.SetBit(bits, int(i), 1)
+			}
+		} else {
+			val, err := strconv.ParseUint(startr, 10, 32)
+			if err != nil {
+				return nil, err
+			}
+			bits.SetBit(bits, int(val), 1)
+		}
+	}
+
+	ret := bits.Bytes()
+	if len(ret) == 0 {
+		// do not allow empty values
+		return nil, errors.New("empty value")
+	}
+
+	// fit cpuset parsing order in systemd
+	for l, r := 0, len(ret)-1; l < r; l, r = l+1, r-1 {
+		ret[l], ret[r] = ret[r], ret[l]
+	}
+	return ret, nil
+}