Update Go AWS SDK to the latest version

vendor/github.com/aws/aws-sdk-go/private/model/api/load.go

@@ -7,8 +7,136 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"sort"
+	"strings"
 )
 
+// APIs provides a set of API models loaded by API package name.
+type APIs map[string]*API
+
+// LoadAPIs loads the API model files from disk returning the map of API
+// package. Returns error if multiple API model resolve to the same package
+// name.
+func LoadAPIs(modelPaths []string, baseImport string) (APIs, error) {
+	apis := APIs{}
+	for _, modelPath := range modelPaths {
+		a, err := loadAPI(modelPath, baseImport)
+		if err != nil {
+			return nil, fmt.Errorf("failed to load API, %v, %v", modelPath, err)
+		}
+		importPath := a.ImportPath()
+		if _, ok := apis[importPath]; ok {
+			return nil, fmt.Errorf(
+				"package names must be unique attempted to load %v twice. Second model file: %v",
+				importPath, modelPath)
+		}
+		apis[importPath] = a
+	}
+
+	return apis, nil
+}
+
+func loadAPI(modelPath, baseImport string) (*API, error) {
+	a := &API{
+		BaseImportPath:   baseImport,
+		BaseCrosslinkURL: "https://docs.aws.amazon.com",
+	}
+
+	modelFile := filepath.Base(modelPath)
+	modelDir := filepath.Dir(modelPath)
+	err := attachModelFiles(modelDir,
+		modelLoader{modelFile, a.Attach, true},
+		modelLoader{"docs-2.json", a.AttachDocs, false},
+		modelLoader{"paginators-1.json", a.AttachPaginators, false},
+		modelLoader{"waiters-2.json", a.AttachWaiters, false},
+		modelLoader{"examples-1.json", a.AttachExamples, false},
+		modelLoader{"smoke.json", a.AttachSmokeTests, false},
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	a.Setup()
+
+	return a, nil
+}
+
+type modelLoader struct {
+	Filename string
+	Loader   func(string)
+	Required bool
+}
+
+func attachModelFiles(modelPath string, modelFiles ...modelLoader) error {
+	for _, m := range modelFiles {
+		filepath := filepath.Join(modelPath, m.Filename)
+		_, err := os.Stat(filepath)
+		if os.IsNotExist(err) && !m.Required {
+			continue
+		} else if err != nil {
+			return fmt.Errorf("failed to load model file %v, %v", m.Filename, err)
+		}
+
+		m.Loader(filepath)
+	}
+
+	return nil
+}
+
+// ExpandModelGlobPath returns a slice of model paths expanded from the glob
+// pattern passed in. Returns the path of the model file to be loaded. Includes
+// all versions of a service model.
+//
+//   e.g:
+//   models/apis/*/*/api-2.json
+//
+//   Or with specific model file:
+//   models/apis/service/version/api-2.json
+func ExpandModelGlobPath(globs ...string) ([]string, error) {
+	modelPaths := []string{}
+
+	for _, g := range globs {
+		filepaths, err := filepath.Glob(g)
+		if err != nil {
+			return nil, err
+		}
+		for _, p := range filepaths {
+			modelPaths = append(modelPaths, p)
+		}
+	}
+
+	return modelPaths, nil
+}
+
+// TrimModelServiceVersions sorts the model paths by service version then
+// returns recent model versions, and model version excluded.
+//
+// Uses the third from last path element to determine unique service. Only one
+// service version will be included.
+//
+//   models/apis/service/version/api-2.json
+func TrimModelServiceVersions(modelPaths []string) (include, exclude []string) {
+	sort.Strings(modelPaths)
+
+	// Remove old API versions from list
+	m := map[string]struct{}{}
+	for i := len(modelPaths) - 1; i >= 0; i-- {
+		// service name is 2nd-to-last component
+		parts := strings.Split(modelPaths[i], string(filepath.Separator))
+		svc := parts[len(parts)-3]
+
+		if _, ok := m[svc]; ok {
+			// Removed unused service version
+			exclude = append(exclude, modelPaths[i])
+			continue
+		}
+		include = append(include, modelPaths[i])
+		m[svc] = struct{}{}
+	}
+
+	return include, exclude
+}
+
 // Attach opens a file by name, and unmarshal its JSON data.
 // Will proceed to setup the API if not already done so.
 func (a *API) Attach(filename string) {
@@ -35,19 +163,25 @@ func (a *API) AttachString(str string) {
 
 // Setup initializes the API.
 func (a *API) Setup() {
+	a.setServiceAliaseName()
 	a.setMetadataEndpointsKey()
 	a.writeShapeNames()
 	a.resolveReferences()
-	a.fixStutterNames()
-	a.renameExportable()
-	if !a.NoRenameToplevelShapes {
-		a.renameToplevelShapes()
+
+	if !a.NoRemoveUnusedShapes {
+		a.removeUnusedShapes()
 	}
 
+	a.fixStutterNames()
+	a.renameExportable()
+	a.applyShapeNameAliases()
+	a.createInputOutputShapes()
+	a.renameAPIPayloadShapes()
 	a.renameCollidingFields()
 	a.updateTopLevelShapeReferences()
-	a.createInputOutputShapes()
-	a.suppressEventStreams()
+	a.setupEventStreams()
+	a.findEndpointDiscoveryOp()
+	a.injectUnboundedOutputStreaming()
 	a.customizationPasses()
 
 	if !a.NoRemoveUnusedShapes {