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/klogr.go

@@ -0,0 +1,105 @@
+/*
+Copyright 2021 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 klog
+
+import (
+	"github.com/go-logr/logr"
+
+	"k8s.io/klog/v2/internal/serialize"
+)
+
+const (
+	// nameKey is used to log the `WithName` values as an additional attribute.
+	nameKey = "logger"
+)
+
+// NewKlogr returns a logger that is functionally identical to
+// klogr.NewWithOptions(klogr.FormatKlog), i.e. it passes through to klog. The
+// difference is that it uses a simpler implementation.
+func NewKlogr() Logger {
+	return New(&klogger{})
+}
+
+// klogger is a subset of klogr/klogr.go. It had to be copied to break an
+// import cycle (klogr wants to use klog, and klog wants to use klogr).
+type klogger struct {
+	callDepth int
+
+	// hasPrefix is true if the first entry in values is the special
+	// nameKey key/value. Such an entry gets added and later updated in
+	// WithName.
+	hasPrefix bool
+
+	values []interface{}
+	groups string
+}
+
+func (l *klogger) Init(info logr.RuntimeInfo) {
+	l.callDepth += info.CallDepth
+}
+
+func (l *klogger) Info(level int, msg string, kvList ...interface{}) {
+	merged := serialize.MergeKVs(l.values, kvList)
+	// Skip this function.
+	VDepth(l.callDepth+1, Level(level)).InfoSDepth(l.callDepth+1, msg, merged...)
+}
+
+func (l *klogger) Enabled(level int) bool {
+	return VDepth(l.callDepth+1, Level(level)).Enabled()
+}
+
+func (l *klogger) Error(err error, msg string, kvList ...interface{}) {
+	merged := serialize.MergeKVs(l.values, kvList)
+	ErrorSDepth(l.callDepth+1, err, msg, merged...)
+}
+
+// WithName returns a new logr.Logger with the specified name appended.  klogr
+// uses '.' characters to separate name elements.  Callers should not pass '.'
+// in the provided name string, but this library does not actually enforce that.
+func (l klogger) WithName(name string) logr.LogSink {
+	if l.hasPrefix {
+		// Copy slice and modify value. No length checks and type
+		// assertions are needed because hasPrefix is only true if the
+		// first two elements exist and are key/value strings.
+		v := make([]interface{}, 0, len(l.values))
+		v = append(v, l.values...)
+		prefix, _ := v[1].(string)
+		v[1] = prefix + "." + name
+		l.values = v
+	} else {
+		// Preprend new key/value pair.
+		v := make([]interface{}, 0, 2+len(l.values))
+		v = append(v, nameKey, name)
+		v = append(v, l.values...)
+		l.values = v
+		l.hasPrefix = true
+	}
+	return &l
+}
+
+func (l klogger) WithValues(kvList ...interface{}) logr.LogSink {
+	l.values = serialize.WithValues(l.values, kvList)
+	return &l
+}
+
+func (l klogger) WithCallDepth(depth int) logr.LogSink {
+	l.callDepth += depth
+	return &l
+}
+
+var _ logr.LogSink = &klogger{}
+var _ logr.CallDepthLogSink = &klogger{}