Add PartitionID to endpoints.ResolvedEndpoint and metadata.ClientInfo

CHANGELOG_PENDING.md

@@ -1,5 +1,8 @@
 ### SDK Features
 
 ### SDK Enhancements
+* `aws/client`: Add PartitionID to Config ([#2902](https://github.com/aws/aws-sdk-go/pull/2902))
+* `aws/client/metadata`: Add PartitionID to ClientInfo ([#2902](https://github.com/aws/aws-sdk-go/pull/2902))
+* `aws/endpoints`: Add PartitionID to ResolvedEndpoint ([#2902](https://github.com/aws/aws-sdk-go/pull/2902))
 
 ### SDK Bugs

aws/client/client.go

@@ -12,6 +12,7 @@ import (
 type Config struct {
 	Config        *aws.Config
 	Handlers      request.Handlers
+	PartitionID   string
 	Endpoint      string
 	SigningRegion string
 	SigningName   string

aws/client/metadata/client_info.go

@@ -5,6 +5,7 @@ type ClientInfo struct {
 	ServiceName   string
 	ServiceID     string
 	APIVersion    string
+	PartitionID   string
 	Endpoint      string
 	SigningName   string
 	SigningRegion string

aws/endpoints/endpoints.go

@@ -394,6 +394,9 @@ type ResolvedEndpoint struct {
 	// The endpoint URL
 	URL string
 
+	// The endpoint partition
+	PartitionID string
+
 	// The region that should be used for signing requests.
 	SigningRegion string
 

aws/endpoints/v3model.go

@@ -99,7 +99,7 @@ func (p partition) EndpointFor(service, region string, opts ...func(*Options)) (
 
 	defs := []endpoint{p.Defaults, s.Defaults}
 
-	return e.resolve(service, region, p.DNSSuffix, defs, opt), nil
+	return e.resolve(service, p.ID, region, p.DNSSuffix, defs, opt), nil
 }
 
 func serviceList(ss services) []string {
@@ -208,7 +208,7 @@ func getByPriority(s []string, p []string, def string) string {
 	return s[0]
 }
 
-func (e endpoint) resolve(service, region, dnsSuffix string, defs []endpoint, opts Options) ResolvedEndpoint {
+func (e endpoint) resolve(service, partitionID, region, dnsSuffix string, defs []endpoint, opts Options) ResolvedEndpoint {
 	var merged endpoint
 	for _, def := range defs {
 		merged.mergeIn(def)
@@ -244,6 +244,7 @@ func (e endpoint) resolve(service, region, dnsSuffix string, defs []endpoint, op
 
 	return ResolvedEndpoint{
 		URL:                u,
+		PartitionID:        partitionID,
 		SigningRegion:      signingRegion,
 		SigningName:        signingName,
 		SigningNameDerived: signingNameDerived,

aws/endpoints/v3model_test.go

@@ -208,7 +208,7 @@ func TestEndpointResolve(t *testing.T) {
 		SSLCommonName:     "new sslCommonName",
 	}
 
-	resolved := e.resolve("service", "region", "dnsSuffix",
+	resolved := e.resolve("service", "partitionID", "region", "dnsSuffix",
 		defs, Options{},
 	)
 

private/model/api/api.go

@@ -539,11 +539,11 @@ func New(p client.ConfigProvider, cfgs ...*aws.Config) *{{ .StructName }} {
 			c.SigningName = "{{ .Metadata.SigningName }}"
 		}
 	{{- end }}
-	return newClient(*c.Config, c.Handlers, c.Endpoint, c.SigningRegion, c.SigningName)
+	return newClient(*c.Config, c.Handlers, c.PartitionID, c.Endpoint, c.SigningRegion, c.SigningName)
 }
 
 // newClient creates, initializes and returns a new service client instance.
-func newClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegion, signingName string) *{{ .StructName }} {
+func newClient(cfg aws.Config, handlers request.Handlers, partitionID, endpoint, signingRegion, signingName string) *{{ .StructName }} {
     svc := &{{ .StructName }}{
     	Client: client.New(
     		cfg,
@@ -552,6 +552,7 @@ func newClient(cfg aws.Config, handlers request.Handlers, endpoint, signingRegio
 			ServiceID : {{ ServiceIDVar . }},
 			SigningName: signingName,
 			SigningRegion: signingRegion,
+			PartitionID: partitionID,
 			Endpoint:     endpoint,
 			APIVersion:   "{{ .Metadata.APIVersion }}",
 			{{ if and (.Metadata.JSONVersion) (eq .Metadata.Protocol "json") -}}