Filter error log

cmd/main.go

@@ -48,6 +48,7 @@ import (
 	workloadv1beta2 "github.com/project-codeflare/appwrapper/api/v1beta2"
 	"github.com/project-codeflare/appwrapper/pkg/config"
 	"github.com/project-codeflare/appwrapper/pkg/controller"
+	"github.com/project-codeflare/appwrapper/pkg/logger"
 	//+kubebuilder:scaffold:imports
 )
 
@@ -77,7 +78,7 @@ func main() {
 	opts.BindFlags(flag.CommandLine)
 	flag.Parse()
 
-	ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
+	ctrl.SetLogger(logger.FilteredLogger(zap.New(zap.UseFlagOptions(&opts))))
 	setupLog.Info("Build info", "version", BuildVersion, "date", BuildDate)
 
 	namespace, err := getNamespace()

go.mod

@@ -4,6 +4,7 @@ go 1.22.4
 
 require (
 	github.com/distribution/reference v0.5.0
+	github.com/go-logr/logr v1.4.2
 	github.com/golangci/golangci-lint v1.55.2
 	github.com/onsi/ginkgo/v2 v2.19.0
 	github.com/onsi/gomega v1.33.1
@@ -29,7 +30,6 @@ require (
 	github.com/fatih/color v1.16.0 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/go-errors/errors v1.4.2 // indirect
-	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/zapr v1.3.0 // indirect
 	github.com/go-openapi/jsonpointer v0.20.0 // indirect
 	github.com/go-openapi/jsonreference v0.20.2 // indirect

pkg/logger/logger.go

@@ -0,0 +1,61 @@
+/*
+Copyright 2024 IBM Corporation.
+
+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 logger
+
+import (
+	"github.com/go-logr/logr"
+
+	"k8s.io/apimachinery/pkg/api/errors"
+)
+
+// logSink implements a filtered log sink
+type logSink struct {
+	sink logr.LogSink
+}
+
+func (l logSink) Init(info logr.RuntimeInfo) {
+	l.sink.Init(info)
+}
+
+func (l logSink) Enabled(level int) bool {
+	return l.sink.Enabled(level)
+}
+func (l logSink) Info(level int, msg string, keysAndValues ...any) {
+	l.sink.Info(level, msg, keysAndValues...)
+}
+
+func (l logSink) Error(err error, msg string, keysAndValues ...any) {
+	// replace StatusReasonConflict and StatusReasonAlreadyExists errors with debug messages
+	if errors.IsConflict(err) || errors.IsAlreadyExists(err) {
+		l.sink.Info(1, msg, append(keysAndValues, "error", err.Error())...)
+	} else {
+		l.sink.Error(err, msg, keysAndValues...)
+	}
+}
+
+func (l logSink) WithValues(keysAndValues ...any) logr.LogSink {
+	return logSink{l.sink.WithValues(keysAndValues...)}
+}
+
+func (l logSink) WithName(name string) logr.LogSink {
+	return logSink{l.sink.WithName(name)}
+}
+
+// FilteredLogger returns a copy of the logger with a filtered sink
+func FilteredLogger(logger logr.Logger) logr.Logger {
+	return logger.WithSink(logSink{logger.GetSink()})
+}