diff --git a/README.md b/README.md index 392793b..8ffeaa2 100644 --- a/README.md +++ b/README.md @@ -51,6 +51,21 @@ GOOS=linux GOARCH=amd64 go build main.go GOOS=linux go build main ``` +#### 2. 在 Windows 下 + +1. 下载 build-fc-zip 工具 +```bash +go.exe get -u github.com/aliyun/fc-runtime-go-sdk/cmd/build-fc-zip +``` + +2. 使用 `build-fc-zip` 工具创建 `.zip` 文件。如果你默认安装了 Go,工具默认会在 `%USERPROFILE%\Go\bin.` + +```bash +set GOOS=linux +go build -o main main.go +%USERPROFILE%\Go\bin\build-fc-zip.exe -output main.zip main +``` + ## 函数入口 Golang 是编译型语言,需要在本地编译后直接上传可执行的二进制文件,在函数入口配置中,不同于 Python,NodeJS的 `[文件名].[函数名]` 格式,Golang 语言的函数入口可直接设置为 `[文件名]`。 该文件名是只编译后的二进制文件名称,当函数被调用时,函数计算平台会直接执行函数入口配置的文件名。 diff --git a/cmd/build-fc-zip/main.go b/cmd/build-fc-zip/main.go new file mode 100644 index 0000000..db95620 --- /dev/null +++ b/cmd/build-fc-zip/main.go @@ -0,0 +1,121 @@ +// Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved +// Copyright 2021 Alibaba Group Holding Limited. All Rights Reserved. + +package main + +import ( + "archive/zip" + "errors" + "fmt" + "io/ioutil" + "log" + "os" + "path/filepath" + + "github.com/urfave/cli/v2" +) + +func main() { + app := &cli.App{ + Name: "build-fc-zip", + Usage: "Put an executable and supplemental files into a zip file that works with Aliyun FunctionCompute.", + Flags: []cli.Flag{ + &cli.StringFlag{ + Name: "output", + Aliases: []string{"o"}, + Value: "", + Usage: "output file path for the zip. Defaults to the first input file name.", + }, + }, + Action: func(c *cli.Context) error { + if !c.Args().Present() { + return errors.New("no input provided") + } + + inputExe := c.Args().First() + outputZip := c.String("output") + if outputZip == "" { + outputZip = fmt.Sprintf("%s.zip", filepath.Base(inputExe)) + } + + if err := compressExeAndArgs(outputZip, inputExe, c.Args().Tail()); err != nil { + return fmt.Errorf("failed to compress file: %v", err) + } + log.Print("wrote " + outputZip) + return nil + }, + } + + if err := app.Run(os.Args); err != nil { + fmt.Fprintf(os.Stderr, "%v\n", err) + os.Exit(1) + } +} + +func writeExe(writer *zip.Writer, pathInZip string, data []byte) error { + if pathInZip != "bootstrap" { + header := &zip.FileHeader{Name: "bootstrap", Method: zip.Deflate} + header.SetMode(0755 | os.ModeSymlink) + link, err := writer.CreateHeader(header) + if err != nil { + return err + } + if _, err := link.Write([]byte(pathInZip)); err != nil { + return err + } + } + + exe, err := writer.CreateHeader(&zip.FileHeader{ + CreatorVersion: 3 << 8, // indicates Unix + ExternalAttrs: 0777 << 16, // -rwxrwxrwx file permissions + Name: pathInZip, + Method: zip.Deflate, + }) + if err != nil { + return err + } + + _, err = exe.Write(data) + return err +} + +func compressExeAndArgs(outZipPath string, exePath string, args []string) error { + zipFile, err := os.Create(outZipPath) + if err != nil { + return err + } + defer func() { + closeErr := zipFile.Close() + if closeErr != nil { + fmt.Fprintf(os.Stderr, "Failed to close zip file: %v\n", closeErr) + } + }() + + zipWriter := zip.NewWriter(zipFile) + defer zipWriter.Close() + data, err := ioutil.ReadFile(exePath) + if err != nil { + return err + } + + err = writeExe(zipWriter, filepath.Base(exePath), data) + if err != nil { + return err + } + + for _, arg := range args { + writer, err := zipWriter.Create(arg) + if err != nil { + return err + } + data, err := ioutil.ReadFile(arg) + if err != nil { + return err + } + _, err = writer.Write(data) + if err != nil { + return err + } + } + return err +} \ No newline at end of file diff --git a/go.mod b/go.mod index 61ed86f..ce9a5e4 100644 --- a/go.mod +++ b/go.mod @@ -3,7 +3,11 @@ module github.com/aliyun/fc-runtime-go-sdk go 1.16 require ( - github.com/davecgh/go-spew v1.1.1 // indirect - github.com/stretchr/testify v1.7.0 + github.com/HdrHistogram/hdrhistogram-go v1.1.2 // indirect + github.com/opentracing/opentracing-go v1.2.0 + github.com/uber/jaeger-client-go v2.30.0+incompatible + github.com/uber/jaeger-lib v2.4.1+incompatible // indirect + github.com/urfave/cli/v2 v2.3.0 + go.uber.org/atomic v1.9.0 // indirect gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect ) diff --git a/go.sum b/go.sum index 0530153..94bb1a4 100644 --- a/go.sum +++ b/go.sum @@ -1,13 +1,78 @@ +dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU= +github.com/BurntSushi/toml v0.3.1/go.mod 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