@W-21199400:adding-log-levels (#284)

Adding log levels for debug purpose.

Author: shardulnegi-boop

pkg/sloop/common/logging.go

@@ -0,0 +1,11 @@
+
+package common
+
+import "github.com/golang/glog"
+
+// Log verbosity levels for use with glog.V()
+const (
+	LogLevelInfo  glog.Level = 1
+	LogLevelDebug glog.Level = 2
+	LogLevelTrace glog.Level = 3
+)

pkg/sloop/kubeextractor/events.go

@@ -14,6 +14,7 @@ import (
 	"time"
 
 	"github.com/golang/glog"
+	"github.com/salesforce/sloop/pkg/sloop/common"
 )
 
 // Example Event
@@ -91,14 +92,14 @@ func ExtractEventInfo(payload string) (*EventInfo, error) {
 
 	fs, err := time.Parse(time.RFC3339, internalResource.FirstTimestamp)
 	if err != nil {
-		glog.Errorf("Could not parse first timestamp %v\n", internalResource.FirstTimestamp)
+		glog.V(common.LogLevelDebug).Infof("Could not parse first timestamp %v", internalResource.FirstTimestamp)
 		fs = time.Time{}
 	}
 
 	ls, err := time.Parse(time.RFC3339, internalResource.LastTimestamp)
 	if err != nil {
-		glog.Errorf("Could not parse last timestamp %v\n", internalResource.LastTimestamp)
-		fs = time.Time{}
+		glog.V(common.LogLevelDebug).Infof("Could not parse last timestamp %v", internalResource.LastTimestamp)
+		ls = time.Time{}
 	}
 
 	return &EventInfo{

pkg/sloop/server/internal/config/config.go

@@ -20,6 +20,7 @@ import (
 	"github.com/golang/glog"
 	"github.com/pkg/errors"
 
+	"github.com/salesforce/sloop/pkg/sloop/common"
 	"github.com/salesforce/sloop/pkg/sloop/server/server_metrics"
 	"github.com/salesforce/sloop/pkg/sloop/webserver"
 )
@@ -257,17 +258,17 @@ func loadFromFile(filename string, config *SloopConfig) *SloopConfig {
 func getConfigFilePath() string {
 	configFileFlag := getConfigFlag()
 	if configFileFlag != "" {
-		glog.Infof("Config flag: %s", configFileFlag)
+		glog.V(common.LogLevelDebug).Infof("Config flag: %s", configFileFlag)
 		return configFileFlag
 	}
 
 	configFileOS := os.Getenv(sloopConfigEnvVar)
 	if configFileOS != "" {
-		glog.Infof("Config env: %s", configFileOS)
+		glog.V(common.LogLevelDebug).Infof("Config env: %s", configFileOS)
 		return configFileOS
 	}
 
-	glog.Infof("Default config set")
+	glog.V(common.LogLevelDebug).Info("Default config set")
 	return ""
 }