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go-zero/tools/goctl/rpc/generator/genpb.go

135 lines
3.7 KiB
Go

package generator
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"github.com/tal-tech/go-zero/core/collection"
conf "github.com/tal-tech/go-zero/tools/goctl/config"
"github.com/tal-tech/go-zero/tools/goctl/rpc/execx"
"github.com/tal-tech/go-zero/tools/goctl/rpc/parser"
"github.com/tal-tech/go-zero/tools/goctl/util"
"github.com/tal-tech/go-zero/tools/goctl/vars"
)
// GenPb generates the pb.go file, which is a layer of packaging for protoc to generate gprc,
// but the commands and flags in protoc are not completely joined in goctl. At present, proto_path(-I) is introduced
func (g *DefaultGenerator) GenPb(ctx DirContext, protoImportPath []string, proto parser.Proto, _ *conf.Config, goOptions ...string) error {
dir := ctx.GetPb()
cw := new(bytes.Buffer)
directory, _ := filepath.Split(proto.Src)
directory = filepath.Clean(directory)
cw.WriteString("protoc ")
protoImportPathSet := collection.NewSet()
for _, ip := range protoImportPath {
pip := " --proto_path=" + ip
if protoImportPathSet.Contains(pip) {
continue
}
protoImportPathSet.AddStr(pip)
cw.WriteString(pip)
}
currentPath := " --proto_path=" + directory
if !protoImportPathSet.Contains(currentPath) {
cw.WriteString(currentPath)
}
cw.WriteString(" " + proto.Name)
if strings.Contains(proto.GoPackage, "/") {
cw.WriteString(" --go_out=plugins=grpc:" + ctx.GetMain().Filename)
} else {
cw.WriteString(" --go_out=plugins=grpc:" + dir.Filename)
}
return g.generatePbWithVersion132(cw.String())
}
// generatePbWithVersion132 generates pb.go by specifying protoc-gen-go@1.3.2 version
func (g *DefaultGenerator) generatePbWithVersion132(cmd string) error {
goctlHome, err := util.GetGoctlHome()
if err != nil {
return err
}
err = util.MkdirIfNotExist(goctlHome)
if err != nil {
return err
}
goctlHomeBin := filepath.Join(goctlHome, "bin")
err = util.MkdirIfNotExist(goctlHomeBin)
if err != nil {
return err
}
protocGenGo := filepath.Join(goctlHome, "bin", "protoc-gen-go")
g.log.Debug("checking protoc-gen-go state ...")
goGetCmd := "\ngo install github.com/golang/protobuf/protoc-gen-go@v1.3.2"
if util.FileExists(protocGenGo) {
g.log.Success("protoc-gen-go exists ...")
goGetCmd = ""
} else {
g.log.Error("missing protoc-gen-go: downloading ...")
}
goos := runtime.GOOS
switch goos {
case vars.OsLinux, vars.OsMac:
cmd = getUnixLikeCmd(goctlHome, goctlHomeBin, goGetCmd, cmd)
g.log.Debug("%s", cmd)
case vars.OsWindows:
cmd = getWindowsCmd(goctlHome, goctlHomeBin, goGetCmd, cmd)
// Do not support to execute commands in context, the solution is created
// a batch file to execute it on Windows.
batFile, err := createBatchFile(goctlHome, cmd)
if err != nil {
return err
}
g.log.Debug("%s", cmd)
cmd = batFile
default:
return fmt.Errorf("unsupported os: %s", goos)
}
_, err = execx.Run(cmd, "")
return err
}
func getUnixLikeCmd(goctlHome, goctlHomeBin, goGetCmd, cmd string) string {
return fmt.Sprintf(`export GOPATH=%s
export GOBIN=%s
export PATH=$PATH:$GOPATH:$GOBIN
export GO111MODULE=on
export GOPROXY=https://goproxy.cn %s
%s`, goctlHome, goctlHomeBin, goGetCmd, cmd)
}
func getWindowsCmd(goctlHome, goctlHomeBin, goGetCmd, cmd string) string {
return fmt.Sprintf(`set GOPATH=%s
set GOBIN=%s
set path=%s
set GO111MODULE=on
set GOPROXY=https://goproxy.cn %s
%s`, goctlHome, goctlHomeBin, "%path%;"+goctlHome+";"+goctlHomeBin, goGetCmd, cmd)
}
func createBatchFile(goctlHome, cmd string) (string, error) {
batFile := filepath.Join(goctlHome, ".generate.bat")
if !util.FileExists(batFile) {
err := ioutil.WriteFile(batFile, []byte(cmd), os.ModePerm)
if err != nil {
return "", err
}
}
return batFile, nil
}