fix errors

Author: rashmichandrashekar

internal/wrapper.go

@@ -51,11 +51,11 @@ func RunKubeStateMetricsWrapper(opts *options.Options) {
 		var cfgViperReadInConfigErr error
 		if cfgViperReadInConfigErr = cfgViper.ReadInConfig(); cfgViperReadInConfigErr != nil {
 			if errors.Is(cfgViperReadInConfigErr, viper.ConfigFileNotFoundError{}) {
-				klog.InfoS("Options configuration file not found at startup", "file", file)
+				klog.ErrorS(cfgViperReadInConfigErr, "Options configuration file not found at startup", "file", file)
 			} else if _, isNotExisterr := os.Stat(filepath.Clean(file)); os.IsNotExist(isNotExisterr) {
 				// TODO: Remove this check once viper.ConfigFileNotFoundError is working as expected, see this issue -
 				// https://github.com/spf13/viper/issues/1783
-				klog.InfoS("Options configuration file not found at startup", "file", file)
+				klog.ErrorS(isNotExisterr, "Options configuration file not found at startup", "file", file)
 			} else {
 				klog.ErrorS(cfgViperReadInConfigErr, "Error reading options configuration file", "file", file)
 			}
@@ -87,15 +87,15 @@ func RunKubeStateMetricsWrapper(opts *options.Options) {
 		crcViper := viper.New()
 		crcViper.SetConfigType("yaml")
 		crcViper.SetConfigFile(opts.CustomResourceConfigFile)
-		if err := crcViper.ReadInConfig(); err != nil {
-			if errors.Is(err, viper.ConfigFileNotFoundError{}) {
-				klog.InfoS("Custom resource configuration file not found at startup", "file", opts.CustomResourceConfigFile)
-			} else if _, err = os.Stat(filepath.Clean(opts.CustomResourceConfigFile)); os.IsNotExist(err) {
+		if cfgViperReadInConfigErr := crcViper.ReadInConfig(); cfgViperReadInConfigErr != nil {
+			if errors.Is(cfgViperReadInConfigErr, viper.ConfigFileNotFoundError{}) {
+				klog.ErrorS(cfgViperReadInConfigErr, "Custom resource configuration file not found at startup", "file", opts.CustomResourceConfigFile)
+			} else if _, isNotExisterr = os.Stat(filepath.Clean(opts.CustomResourceConfigFile)); os.IsNotExist(isNotExisterr) {
 				// Adding this check in addition to the above since viper.ConfigFileNotFoundError is not working as expected due to this issue -
 				// https://github.com/spf13/viper/issues/1783
-				klog.InfoS("Custom resource configuration file not found at startup", "file", opts.CustomResourceConfigFile)
+				klog.ErrorS(isNotExisterr, "Custom resource configuration file not found at startup", "file", opts.CustomResourceConfigFile)
 			} else {
-				klog.ErrorS(err, "Error reading Custom resource configuration file", "file", opts.CustomResourceConfigFile)
+				klog.ErrorS(cfgViperReadInConfigErr, "Error reading Custom resource configuration file", "file", opts.CustomResourceConfigFile)
 			}
 			if !opts.ContinueWithoutCustomResourceConfigFile {
 				klog.FlushAndExit(klog.ExitFlushTimeout, 1)

pkg/app/server.go

@@ -128,7 +128,7 @@ func RunKubeStateMetrics(ctx context.Context, opts *options.Options) error {
 	got := options.GetConfigFile(*opts)
 	if got != "" {
 		if _, err := os.Stat(filepath.Clean(got)); os.IsNotExist(err) {
-			klog.InfoS("config file does not exist, ignoring", "file", got)
+			klog.ErrorS(err, "config file does not exist, ignoring", "file", got)
 		} else {
 			configFile, err := os.ReadFile(filepath.Clean(got))
 			if err != nil {
@@ -182,7 +182,7 @@ func RunKubeStateMetrics(ctx context.Context, opts *options.Options) error {
 
 	if opts.CustomResourceConfigFile != "" {
 		if _, err := os.Stat(filepath.Clean(opts.CustomResourceConfigFile)); os.IsNotExist(err) {
-			klog.InfoS("config file does not exist,ignoring", "file", opts.CustomResourceConfigFile)
+			klog.ErrorS(err, "config file does not exist, ignoring", "file", opts.CustomResourceConfigFile)
 		} else {
 			crcFile, err := os.ReadFile(filepath.Clean(opts.CustomResourceConfigFile))
 			if err != nil {