AWS: unexport unnecessarily exported methods and variables about recognize region

pkg/cloudprovider/providers/aws/aws.go

@@ -260,7 +260,7 @@ const MaxReadThenCreateRetries = 30
 // need hardcoded defaults.
 const DefaultVolumeType = "gp2"
 
-// Used to call RecognizeWellKnownRegions just once
+// Used to call recognizeWellKnownRegions just once
 var once sync.Once
 
 // AWS implements PVLabeler.
@@ -1063,7 +1063,7 @@ func newAWSCloud(cfg CloudConfig, awsServices Services) (*Cloud, error) {
 
 	// Trust that if we get a region from configuration or AWS metadata that it is valid,
 	// and register ECR providers
-	RecognizeRegion(regionName)
+	recognizeRegion(regionName)
 
 	if !cfg.Global.DisableStrictZoneCheck {
 		valid := isRegionValid(regionName)
@@ -1152,7 +1152,7 @@ func newAWSCloud(cfg CloudConfig, awsServices Services) (*Cloud, error) {
 
 	// Register regions, in particular for ECR credentials
 	once.Do(func() {
-		RecognizeWellKnownRegions()
+		recognizeWellKnownRegions()
 	})
 
 	return awsCloud, nil

pkg/cloudprovider/providers/aws/regions.go

@@ -23,9 +23,9 @@ import (
 	"sync"
 )
 
-// WellKnownRegions is the complete list of regions known to the AWS cloudprovider
+// wellKnownRegions is the complete list of regions known to the AWS cloudprovider
 // and credentialprovider.
-var WellKnownRegions = [...]string{
+var wellKnownRegions = [...]string{
 	// from `aws ec2 describe-regions --region us-east-1 --query Regions[].RegionName | sort`
 	"ap-northeast-1",
 	"ap-northeast-2",
@@ -53,12 +53,12 @@ var awsRegionsMutex sync.Mutex
 // awsRegions is a set of recognized regions
 var awsRegions sets.String
 
-// RecognizeRegion is called for each AWS region we know about.
+// recognizeRegion is called for each AWS region we know about.
 // It currently registers a credential provider for that region.
 // There are two paths to discovering a region:
 //  * we hard-code some well-known regions
 //  * if a region is discovered from instance metadata, we add that
-func RecognizeRegion(region string) {
+func recognizeRegion(region string) {
 	awsRegionsMutex.Lock()
 	defer awsRegionsMutex.Unlock()
 
@@ -78,10 +78,10 @@ func RecognizeRegion(region string) {
 	awsRegions.Insert(region)
 }
 
-// RecognizeWellKnownRegions calls RecognizeRegion on each WellKnownRegion
-func RecognizeWellKnownRegions() {
-	for _, region := range WellKnownRegions {
-		RecognizeRegion(region)
+// recognizeWellKnownRegions calls RecognizeRegion on each WellKnownRegion
+func recognizeWellKnownRegions() {
+	for _, region := range wellKnownRegions {
+		recognizeRegion(region)
 	}
 }
 

pkg/cloudprovider/providers/aws/regions_test.go

@@ -22,7 +22,7 @@ import (
 
 // TestRegions does basic checking of region verification / addition
 func TestRegions(t *testing.T) {
-	RecognizeWellKnownRegions()
+	recognizeWellKnownRegions()
 
 	tests := []struct {
 		Add            string
@@ -55,7 +55,7 @@ func TestRegions(t *testing.T) {
 
 	for _, test := range tests {
 		if test.Add != "" {
-			RecognizeRegion(test.Add)
+			recognizeRegion(test.Add)
 		}
 
 		if test.Lookup != "" {