Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/aws/regions.go

@@ -0,0 +1,94 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+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 aws
+
+import (
+	"github.com/golang/glog"
+	"k8s.io/apimachinery/pkg/util/sets"
+	awscredentialprovider "k8s.io/kubernetes/pkg/credentialprovider/aws"
+	"sync"
+)
+
+// WellKnownRegions is the complete list of regions known to the AWS cloudprovider
+// and credentialprovider.
+var WellKnownRegions = [...]string{
+	// from `aws ec2 describe-regions --region us-east-1 --query Regions[].RegionName | sort`
+	"ap-northeast-1",
+	"ap-northeast-2",
+	"ap-south-1",
+	"ap-southeast-1",
+	"ap-southeast-2",
+	"ca-central-1",
+	"eu-central-1",
+	"eu-west-1",
+	"eu-west-2",
+	"sa-east-1",
+	"us-east-1",
+	"us-east-2",
+	"us-west-1",
+	"us-west-2",
+
+	// these are not registered in many / most accounts
+	"cn-north-1",
+	"us-gov-west-1",
+}
+
+// awsRegionsMutex protects awsRegions
+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.
+// 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) {
+	awsRegionsMutex.Lock()
+	defer awsRegionsMutex.Unlock()
+
+	if awsRegions == nil {
+		awsRegions = sets.NewString()
+	}
+
+	if awsRegions.Has(region) {
+		glog.V(6).Infof("found AWS region %q again - ignoring", region)
+		return
+	}
+
+	glog.V(4).Infof("found AWS region %q", region)
+
+	awscredentialprovider.RegisterCredentialsProvider(region)
+
+	awsRegions.Insert(region)
+}
+
+// RecognizeWellKnownRegions calls RecognizeRegion on each WellKnownRegion
+func RecognizeWellKnownRegions() {
+	for _, region := range WellKnownRegions {
+		RecognizeRegion(region)
+	}
+}
+
+// isRegionValid checks if the region is in the set of known regions
+func isRegionValid(region string) bool {
+	awsRegionsMutex.Lock()
+	defer awsRegionsMutex.Unlock()
+
+	return awsRegions.Has(region)
+}