Update Go AWS SDK to the latest version

vendor/github.com/aws/aws-sdk-go/internal/shareddefaults/ecs_container.go

@@ -0,0 +1,12 @@
+package shareddefaults
+
+const (
+	// ECSCredsProviderEnvVar is an environmental variable key used to
+	// determine which path needs to be hit.
+	ECSCredsProviderEnvVar = "AWS_CONTAINER_CREDENTIALS_RELATIVE_URI"
+)
+
+// ECSContainerCredentialsURI is the endpoint to retrieve container
+// credentials. This can be overridden to test to ensure the credential process
+// is behaving correctly.
+var ECSContainerCredentialsURI = "http://169.254.170.2"

vendor/github.com/aws/aws-sdk-go/internal/shareddefaults/shared_config_other_test.go

@@ -1,3 +1,5 @@
+// +build !windows
+
 package shareddefaults_test
 
 import (
@@ -5,13 +7,13 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/aws/aws-sdk-go/awstesting"
+	"github.com/aws/aws-sdk-go/internal/sdktesting"
 	"github.com/aws/aws-sdk-go/internal/shareddefaults"
 )
 
 func TestSharedCredsFilename(t *testing.T) {
-	env := awstesting.StashEnv()
-	defer awstesting.PopEnv(env)
+	restoreEnvFn := sdktesting.StashEnv()
+	defer restoreEnvFn()
 
 	os.Setenv("HOME", "home_dir")
 	os.Setenv("USERPROFILE", "profile_dir")
@@ -25,8 +27,8 @@ func TestSharedCredsFilename(t *testing.T) {
 }
 
 func TestSharedConfigFilename(t *testing.T) {
-	env := awstesting.StashEnv()
-	defer awstesting.PopEnv(env)
+	restoreEnvFn := sdktesting.StashEnv()
+	defer restoreEnvFn()
 
 	os.Setenv("HOME", "home_dir")
 	os.Setenv("USERPROFILE", "profile_dir")

vendor/github.com/aws/aws-sdk-go/internal/shareddefaults/shared_config_windows_test.go

@@ -1,3 +1,5 @@
+// +build windows
+
 package shareddefaults_test
 
 import (
@@ -5,13 +7,13 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/aws/aws-sdk-go/awstesting"
+	"github.com/aws/aws-sdk-go/internal/sdktesting"
 	"github.com/aws/aws-sdk-go/internal/shareddefaults"
 )
 
 func TestSharedCredsFilename(t *testing.T) {
-	env := awstesting.StashEnv()
-	defer awstesting.PopEnv(env)
+	restoreEnvFn := sdktesting.StashEnv()
+	defer restoreEnvFn()
 
 	os.Setenv("HOME", "home_dir")
 	os.Setenv("USERPROFILE", "profile_dir")
@@ -25,8 +27,8 @@ func TestSharedCredsFilename(t *testing.T) {
 }
 
 func TestSharedConfigFilename(t *testing.T) {
-	env := awstesting.StashEnv()
-	defer awstesting.PopEnv(env)
+	restoreEnvFn := sdktesting.StashEnv()
+	defer restoreEnvFn()
 
 	os.Setenv("HOME", "home_dir")
 	os.Setenv("USERPROFILE", "profile_dir")