rebase: update to latest github.com/openshift/api version

Also vendor all dependencies.

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

api/vendor/k8s.io/klog/v2/internal/sloghandler/sloghandler_slog.go

@@ -0,0 +1,96 @@
+//go:build go1.21
+// +build go1.21
+
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package sloghandler
+
+import (
+	"context"
+	"log/slog"
+	"runtime"
+	"strings"
+	"time"
+
+	"k8s.io/klog/v2/internal/severity"
+)
+
+func Handle(_ context.Context, record slog.Record, groups string, printWithInfos func(file string, line int, now time.Time, err error, s severity.Severity, msg string, kvList []interface{})) error {
+	now := record.Time
+	if now.IsZero() {
+		// This format doesn't support printing entries without a time.
+		now = time.Now()
+	}
+
+	// slog has numeric severity levels, with 0 as default "info", negative for debugging, and
+	// positive with some pre-defined levels for more important. Those ranges get mapped to
+	// the corresponding klog levels where possible, with "info" the default that is used
+	// also for negative debug levels.
+	level := record.Level
+	s := severity.InfoLog
+	switch {
+	case level >= slog.LevelError:
+		s = severity.ErrorLog
+	case level >= slog.LevelWarn:
+		s = severity.WarningLog
+	}
+
+	var file string
+	var line int
+	if record.PC != 0 {
+		// Same as https://cs.opensource.google/go/x/exp/+/642cacee:slog/record.go;drc=642cacee5cc05231f45555a333d07f1005ffc287;l=70
+		fs := runtime.CallersFrames([]uintptr{record.PC})
+		f, _ := fs.Next()
+		if f.File != "" {
+			file = f.File
+			if slash := strings.LastIndex(file, "/"); slash >= 0 {
+				file = file[slash+1:]
+			}
+			line = f.Line
+		}
+	} else {
+		file = "???"
+		line = 1
+	}
+
+	kvList := make([]interface{}, 0, 2*record.NumAttrs())
+	record.Attrs(func(attr slog.Attr) bool {
+		kvList = appendAttr(groups, kvList, attr)
+		return true
+	})
+
+	printWithInfos(file, line, now, nil, s, record.Message, kvList)
+	return nil
+}
+
+func Attrs2KVList(groups string, attrs []slog.Attr) []interface{} {
+	kvList := make([]interface{}, 0, 2*len(attrs))
+	for _, attr := range attrs {
+		kvList = appendAttr(groups, kvList, attr)
+	}
+	return kvList
+}
+
+func appendAttr(groups string, kvList []interface{}, attr slog.Attr) []interface{} {
+	var key string
+	if groups != "" {
+		key = groups + "." + attr.Key
+	} else {
+		key = attr.Key
+	}
+	return append(kvList, key, attr.Value)
+}