fix(core): make warning the default logger level (#685)

Author: remyleone

internal/core/build_info.go

@@ -64,7 +64,7 @@ func (b *BuildInfo) checkVersion() {
 	}
 
 	if b.Version.LessThan(latestVersion) {
-		logger.Infof("a new version of scw is available (%s), beware that you are currently running %v", latestVersion, b.Version)
+		logger.Warningf("a new version of scw is available (%s), beware that you are currently running %v", latestVersion, b.Version)
 	} else {
 		logger.Debugf("version is up to date (%s)", b.Version)
 	}

internal/core/cobra_utils.go

@@ -115,7 +115,7 @@ func cobraPreRunInitMeta(ctx context.Context, cmd *Command) func(cmd *cobra.Comm
 		var err error
 		meta := extractMeta(ctx)
 
-		logLevel := logger.LogLevelInfo
+		logLevel := logger.LogLevelWarning
 		if meta.DebugModeFlag {
 			logLevel = logger.LogLevelDebug // enable debug mode
 		}

internal/core/testdata/test-check-version-outdated-version.stderr.golden

@@ -1 +1 @@
-INFO: 2019/12/09 16:04:07 a new version of scw is available (2.0.0-alpha1), beware that you are currently running 1.20.0
+WARNING: 2019/12/09 16:04:07 a new version of scw is available (2.0.0-alpha1), beware that you are currently running 1.20.0

internal/core/validate.go

@@ -38,7 +38,7 @@ func validateArgValues(cmd *Command, cmdArgs interface{}) error {
 		fieldName = strings.ReplaceAll(fieldName, "."+mapSchema, "")
 		fieldValue, fieldExists := getValueForFieldByName(cmdArgs, fieldName)
 		if !fieldExists {
-			logger.Debugf("could not validate arg value for '%v': invalid fieldName: %v", argSpec.Name, fieldName)
+			logger.Infof("could not validate arg value for '%v': invalid fieldName: %v", argSpec.Name, fieldName)
 			continue
 		}
 		validateFunc := DefaultArgSpecValidateFunc()