Add existing monitors into the problem daemon registration hook.

pkg/systemlogmonitor/log_monitor.go

@@ -23,6 +23,7 @@ import (
 
 	"github.com/golang/glog"
 
+	"k8s.io/node-problem-detector/pkg/problemdaemon"
 	"k8s.io/node-problem-detector/pkg/systemlogmonitor/logwatchers"
 	watchertypes "k8s.io/node-problem-detector/pkg/systemlogmonitor/logwatchers/types"
 	logtypes "k8s.io/node-problem-detector/pkg/systemlogmonitor/types"
@@ -32,6 +33,16 @@ import (
 	"k8s.io/node-problem-detector/pkg/util/tomb"
 )
 
+const SystemLogMonitorName = "system-log-monitor"
+
+func init() {
+	problemdaemon.Register(
+		SystemLogMonitorName,
+		types.ProblemDaemonHandler{
+			CreateProblemDaemonOrDie: NewLogMonitorOrDie,
+			CmdOptionDescription:     "Set to config file paths."})
+}
+
 type logMonitor struct {
 	watcher    watchertypes.LogWatcher
 	buffer     LogBuffer

pkg/systemlogmonitor/log_monitor_test.go

@@ -21,6 +21,9 @@ import (
 	"testing"
 	"time"
 
+	"github.com/stretchr/testify/assert"
+
+	"k8s.io/node-problem-detector/pkg/problemdaemon"
 	logtypes "k8s.io/node-problem-detector/pkg/systemlogmonitor/types"
 	"k8s.io/node-problem-detector/pkg/types"
 	"k8s.io/node-problem-detector/pkg/util"
@@ -32,6 +35,12 @@ const (
 	testConditionB = "TestConditionB"
 )
 
+func TestRegistration(t *testing.T) {
+	assert.NotPanics(t,
+		func() { problemdaemon.GetProblemDaemonHandlerOrDie("system-log-monitor") },
+		"System log monitor failed to register itself as a problem daemon.")
+}
+
 func TestGenerateStatus(t *testing.T) {
 	initConditions := []types.Condition{
 		{