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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| // Copyright 2018 PingCAP, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "flag" | ||
| "fmt" | ||
| "log" | ||
| "os" | ||
| "os/exec" | ||
| "path" | ||
| "path/filepath" | ||
| "text/template" | ||
| "time" | ||
|
|
||
| "github.com/BurntSushi/toml" | ||
| ) | ||
|
|
||
| var ( | ||
| pkgDir string | ||
| outDir string | ||
| ) | ||
|
|
||
| const codeTemplate = ` | ||
| package main | ||
| import ( | ||
| "github.com/pingcap/tidb/plugin" | ||
| "github.com/pingcap/tidb/sessionctx/variable" | ||
| ) | ||
| func PluginManifest() *plugin.Manifest { | ||
| return plugin.ExportManifest(&plugin.{{.kind}}Manifest{ | ||
| Manifest: plugin.Manifest{ | ||
| Kind: plugin.{{.kind}}, | ||
| Name: "{{.name}}", | ||
| Description: "{{.description}}", | ||
| Version: {{.version}}, | ||
| RequireVersion: map[string]uint16{}, | ||
| License: "{{.license}}", | ||
| BuildTime: "{{.buildTime}}", | ||
| SysVars: map[string]*variable.SysVar{ | ||
| {{range .sysVars}} | ||
| "{{.name}}": { | ||
| Scope: variable.Scope{{.scope}}, | ||
| Name: "{{.name}}", | ||
| Value: "{{.value}}", | ||
| }, | ||
| {{end}} | ||
| }, | ||
| Validate: {{.validate}}, | ||
| OnInit: {{.onInit}}, | ||
| OnShutdown: {{.onShutdown}}, | ||
| }, | ||
| {{range .export}} | ||
| {{.extPoint}}: {{.impl}}, | ||
| {{end}} | ||
| }) | ||
| } | ||
| ` | ||
|
|
||
| func init() { | ||
| flag.StringVar(&pkgDir, "pkg-dir", "", "plugin package folder path") | ||
| flag.StringVar(&outDir, "out-dir", "", "plugin packaged folder path") | ||
| flag.Usage = usage | ||
| } | ||
|
|
||
| func usage() { | ||
| log.Printf("Usage: %s --pkg-dir [plugin source pkg folder] --outDir-dir [outDir-dir]\n", path.Base(os.Args[0])) | ||
| flag.PrintDefaults() | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| func main() { | ||
| flag.Parse() | ||
| if pkgDir == "" || outDir == "" { | ||
| flag.Usage() | ||
| } | ||
| var manifest map[string]interface{} | ||
| _, err := toml.DecodeFile(filepath.Join(pkgDir, "manifest.toml"), &manifest) | ||
| if err != nil { | ||
| log.Printf("read pkg %s's manifest failure, %+v\n", pkgDir, err) | ||
| os.Exit(1) | ||
| } | ||
| manifest["buildTime"] = time.Now().String() | ||
|
|
||
| pluginName := manifest["name"].(string) | ||
| if pluginName != filepath.Base(pkgDir) { | ||
| log.Printf("plugin package must be same with plugin name in manifest file\n") | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| version := manifest["version"].(string) | ||
| tmpl, err := template.New("gen-plugin").Parse(codeTemplate) | ||
| if err != nil { | ||
| log.Printf("generate code failure during parse template, %+v\n", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| genFileName := filepath.Join(pkgDir, filepath.Base(pkgDir)+".gen.go") | ||
| genFile, err := os.OpenFile(genFileName, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0755) | ||
| if err != nil { | ||
| log.Printf("generate code failure during prepare output file, %+v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| defer func() { | ||
| err1 := os.Remove(genFileName) | ||
| if err1 != nil { | ||
| log.Printf("remove tmp file %s failure, please clean up manually at %v", genFileName, err1) | ||
| } | ||
| }() | ||
|
|
||
| err = tmpl.Execute(genFile, manifest) | ||
| if err != nil { | ||
| log.Printf("generate code failure during generating code, %+v\n", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| outputFile := filepath.Join(outDir, pluginName+"-"+version+".so") | ||
| pluginPath := `-pluginpath=` + pluginName + "-" + version | ||
| ctx := context.Background() | ||
| buildCmd := exec.CommandContext(ctx, "go", "build", | ||
| "-ldflags", pluginPath, | ||
| "-buildmode=plugin", | ||
| "-o", outputFile, pkgDir) | ||
| buildCmd.Stderr = os.Stderr | ||
| buildCmd.Stdout = os.Stdout | ||
| buildCmd.Env = append(os.Environ(), "GO111MODULE=on") | ||
| err = buildCmd.Run() | ||
| if err != nil { | ||
| log.Printf("compile plugin source code failure, %+v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| fmt.Printf(`Package "%s" as plugin "%s" success.`+"\nManifest:\n", pkgDir, outputFile) | ||
| encoder := json.NewEncoder(os.Stdout) | ||
| encoder.SetIndent(" ", "\t") | ||
| err = encoder.Encode(manifest) | ||
| if err != nil { | ||
| log.Printf("print manifest detail failure, err: %v", err) | ||
| } | ||
| } |
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