Committing vendored dependencies and generated protos

Change-Id: I349c149b513d9de7d9f60bde2c954a939da2fc54
diff --git a/vendor/github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/main.go b/vendor/github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/main.go
new file mode 100644
index 0000000..237e460
--- /dev/null
+++ b/vendor/github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/main.go
@@ -0,0 +1,198 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/golang/glog"
+	"github.com/golang/protobuf/proto"
+	plugin "github.com/golang/protobuf/protoc-gen-go/plugin"
+	"github.com/grpc-ecosystem/grpc-gateway/codegenerator"
+	"github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/descriptor"
+	"github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/genswagger"
+)
+
+var (
+	importPrefix               = flag.String("import_prefix", "", "prefix to be added to go package paths for imported proto files")
+	file                       = flag.String("file", "-", "where to load data from")
+	allowDeleteBody            = flag.Bool("allow_delete_body", false, "unless set, HTTP DELETE methods may not have a body")
+	grpcAPIConfiguration       = flag.String("grpc_api_configuration", "", "path to gRPC API Configuration in YAML format")
+	allowMerge                 = flag.Bool("allow_merge", false, "if set, generation one swagger file out of multiple protos")
+	mergeFileName              = flag.String("merge_file_name", "apidocs", "target swagger file name prefix after merge")
+	useJSONNamesForFields      = flag.Bool("json_names_for_fields", false, "if it sets Field.GetJsonName() will be used for generating swagger definitions, otherwise Field.GetName() will be used")
+	repeatedPathParamSeparator = flag.String("repeated_path_param_separator", "csv", "configures how repeated fields should be split. Allowed values are `csv`, `pipes`, `ssv` and `tsv`.")
+	versionFlag                = flag.Bool("version", false, "print the current verison")
+	allowRepeatedFieldsInBody  = flag.Bool("allow_repeated_fields_in_body", false, "allows to use repeated field in `body` and `response_body` field of `google.api.http` annotation option")
+	includePackageInTags       = flag.Bool("include_package_in_tags", false, "if unset, the gRPC service name is added to the `Tags` field of each operation. if set and the `package` directive is shown in the proto file, the package name will be prepended to the service name")
+	useFQNForSwaggerName       = flag.Bool("fqn_for_swagger_name", false, "if set, the object's swagger names will use the fully qualify name from the proto definition (ie my.package.MyMessage.MyInnerMessage")
+)
+
+// Variables set by goreleaser at build time
+var (
+	version = "dev"
+	commit  = "unknown"
+	date    = "unknown"
+)
+
+func main() {
+	flag.Parse()
+	defer glog.Flush()
+
+	if *versionFlag {
+		fmt.Printf("Version %v, commit %v, built at %v\n", version, commit, date)
+		os.Exit(0)
+	}
+
+	reg := descriptor.NewRegistry()
+
+	glog.V(1).Info("Processing code generator request")
+	f := os.Stdin
+	if *file != "-" {
+		var err error
+		f, err = os.Open(*file)
+		if err != nil {
+			glog.Fatal(err)
+		}
+	}
+	glog.V(1).Info("Parsing code generator request")
+	req, err := codegenerator.ParseRequest(f)
+	if err != nil {
+		glog.Fatal(err)
+	}
+	glog.V(1).Info("Parsed code generator request")
+	pkgMap := make(map[string]string)
+	if req.Parameter != nil {
+		err := parseReqParam(req.GetParameter(), flag.CommandLine, pkgMap)
+		if err != nil {
+			glog.Fatalf("Error parsing flags: %v", err)
+		}
+	}
+
+	reg.SetPrefix(*importPrefix)
+	reg.SetAllowDeleteBody(*allowDeleteBody)
+	reg.SetAllowMerge(*allowMerge)
+	reg.SetMergeFileName(*mergeFileName)
+	reg.SetUseJSONNamesForFields(*useJSONNamesForFields)
+	reg.SetAllowRepeatedFieldsInBody(*allowRepeatedFieldsInBody)
+	reg.SetIncludePackageInTags(*includePackageInTags)
+	reg.SetUseFQNForSwaggerName(*useFQNForSwaggerName)
+	if err := reg.SetRepeatedPathParamSeparator(*repeatedPathParamSeparator); err != nil {
+		emitError(err)
+		return
+	}
+	for k, v := range pkgMap {
+		reg.AddPkgMap(k, v)
+	}
+
+	if *grpcAPIConfiguration != "" {
+		if err := reg.LoadGrpcAPIServiceFromYAML(*grpcAPIConfiguration); err != nil {
+			emitError(err)
+			return
+		}
+	}
+
+	g := genswagger.New(reg)
+
+	if err := genswagger.AddStreamError(reg); err != nil {
+		emitError(err)
+		return
+	}
+
+	if err := reg.Load(req); err != nil {
+		emitError(err)
+		return
+	}
+
+	var targets []*descriptor.File
+	for _, target := range req.FileToGenerate {
+		f, err := reg.LookupFile(target)
+		if err != nil {
+			glog.Fatal(err)
+		}
+		targets = append(targets, f)
+	}
+
+	out, err := g.Generate(targets)
+	glog.V(1).Info("Processed code generator request")
+	if err != nil {
+		emitError(err)
+		return
+	}
+	emitFiles(out)
+}
+
+func emitFiles(out []*plugin.CodeGeneratorResponse_File) {
+	emitResp(&plugin.CodeGeneratorResponse{File: out})
+}
+
+func emitError(err error) {
+	emitResp(&plugin.CodeGeneratorResponse{Error: proto.String(err.Error())})
+}
+
+func emitResp(resp *plugin.CodeGeneratorResponse) {
+	buf, err := proto.Marshal(resp)
+	if err != nil {
+		glog.Fatal(err)
+	}
+	if _, err := os.Stdout.Write(buf); err != nil {
+		glog.Fatal(err)
+	}
+}
+
+// parseReqParam parses a CodeGeneratorRequest parameter and adds the
+// extracted values to the given FlagSet and pkgMap. Returns a non-nil
+// error if setting a flag failed.
+func parseReqParam(param string, f *flag.FlagSet, pkgMap map[string]string) error {
+	if param == "" {
+		return nil
+	}
+	for _, p := range strings.Split(param, ",") {
+		spec := strings.SplitN(p, "=", 2)
+		if len(spec) == 1 {
+			if spec[0] == "allow_delete_body" {
+				err := f.Set(spec[0], "true")
+				if err != nil {
+					return fmt.Errorf("Cannot set flag %s: %v", p, err)
+				}
+				continue
+			}
+			if spec[0] == "allow_merge" {
+				err := f.Set(spec[0], "true")
+				if err != nil {
+					return fmt.Errorf("Cannot set flag %s: %v", p, err)
+				}
+				continue
+			}
+			if spec[0] == "allow_repeated_fields_in_body" {
+				err := f.Set(spec[0], "true")
+				if err != nil {
+					return fmt.Errorf("Cannot set flag %s: %v", p, err)
+				}
+				continue
+			}
+			if spec[0] == "include_package_in_tags" {
+				err := f.Set(spec[0], "true")
+				if err != nil {
+					return fmt.Errorf("Cannot set flag %s: %v", p, err)
+				}
+				continue
+			}
+			err := f.Set(spec[0], "")
+			if err != nil {
+				return fmt.Errorf("Cannot set flag %s: %v", p, err)
+			}
+			continue
+		}
+		name, value := spec[0], spec[1]
+		if strings.HasPrefix(name, "M") {
+			pkgMap[name[1:]] = value
+			continue
+		}
+		if err := f.Set(name, value); err != nil {
+			return fmt.Errorf("Cannot set flag %s: %v", p, err)
+		}
+	}
+	return nil
+}