// license that can be found in the LICENSE file.

// This file provides an internal debug logging facility. The debug
// log is a lightweight, in-memory, per-M ring buffer. By default, the
// runtime prints the debug log on panic.
//
// To print something to the debug log, call dlog to obtain a dlogger
// and use the methods on that to add values. The values will be
// space-separated in the output (much like println).
//

// license that can be found in the LICENSE file.

// Package tlog implements a tamper-evident log
// used in the Go module go.sum database server.
//
// This package follows the design of Certificate Transparency (RFC 6962)
// and its proofs are compatible with that system.
// See TestCertificateTransparency.
package tlog

import (
	"crypto/sha256"
	"encoding/base64"
	"errors"
	"fmt"
	"math/bits"

// of each logged message.
// Every log message is output on a separate line: if the message being
// printed does not end in a newline, the logger will add one.
// The Fatal functions call [os.Exit](1) after writing the log message.
// The Panic functions call panic after writing the log message.
package log

import (
	"fmt"
	"io"
	"log/internal"
	"os"
	"runtime"
	"sync"
	"sync/atomic"
	"time"

2020-06-29T23:37:27.523826Z	warning	envoy config	[bazel-out/k8-opt/bin/external/envoy/source/common/config/_virtual_includes/grpc_stream_lib/common/config/grpc_stream.h:92] StreamAggregatedResources...

	klog.V(4).Info(log("mounter created successfully"))
	return mounter, nil
}

func (p *csiPlugin) NewUnmounter(specName string, podUID types.UID) (volume.Unmounter, error) {
	klog.V(4).Infof(log("setting up unmounter for [name=%v, podUID=%v]", specName, podUID))

	kvh, ok := p.host.(volume.KubeletVolumeHost)
	if !ok {
		return nil, errors.New(log("cast from VolumeHost to KubeletVolumeHost failed"))

	if _, ok := l.Handler().(*defaultHandler); !ok {
		capturePC := log.Flags()&(log.Lshortfile|log.Llongfile) != 0
		log.SetOutput(&handlerWriter{l.Handler(), &logLoggerLevel, capturePC})
		log.SetFlags(0) // we want just the log message, no time or location
	}
}

// handlerWriter is an io.Writer that calls a Handler.
// It is used to link the default log.Logger to the default slog.Logger.
type handlerWriter struct {
	h         Handler

readonly master_logfiles="kube-apiserver.log kube-apiserver-audit.log kube-scheduler.log kube-controller-manager.log cloud-controller-manager.log etcd.log etcd-events.log glbc.log cluster-autoscaler.log kube-addon-manager.log konnectivity-server.log fluentd.log kubelet.cov"
readonly node_logfiles="kube-proxy.log containers/konnectivity-agent-*.log fluentd.log node-problem-detector.log kubelet.cov kube-network-policies.log"

	cases := []struct {
		log      func()
		expected string
	}{
		{
			func() { klog.Error("foo") },
			"error\tklog\tfoo$",
		},
		{
			func() { klog.Error("foo") },
			"foo$",
		},
		{
			func() { klog.Errorf("fmt %v", "item") },
			"fmt item$",
		},
		{
			func() { klog.Errorf("fmt %v", "item") },
			"fmt item$",
		},
		{
			func() { klog.ErrorS(errors.New("my error"), "info") },

}

func (o *AuditLogOptions) newBackend(w io.Writer) audit.Backend {
	groupVersion, _ := schema.ParseGroupVersion(o.GroupVersionString)
	log := pluginlog.NewBackend(w, o.Format, groupVersion)
	log = o.BatchOptions.wrapBackend(log)
	log = o.TruncateOptions.wrapBackend(log, groupVersion)
	return log
}

func (o *AuditWebhookOptions) AddFlags(fs *pflag.FlagSet) {
	fs.StringVar(&o.ConfigFile, "audit-webhook-config-file", o.ConfigFile,

		}
	}
	if len(invalidIPs) > 0 {
		klog.V(4).InfoS("Service change tracker ignored the following load balancer ingress IPs for given Service as they don't match the IP Family",
			"ipFamily", ipFamily, "loadBalancerIngressIPs", invalidIPs, "service", klog.KObj(service))
	}

	if apiservice.NeedsHealthCheck(service) {
		p := service.Spec.HealthCheckNodePort
		if p == 0 {