前言
在日常开发过程中,我们有遇到将项目依赖通过 mvn deploy 发布到自己的公司的私服,以便其他人/环境统一下载入口。但是也有一些特殊情况,比如只能拿到第三方(或甲方)的依赖jar ,并拿不到源码,所以只能将jar 通过 mvn deploy:deploy-file 发布到nexus,供构建环境下载依赖,一个两个还好,那几十个呢?所以,自己就用go 写了个发布工具。
问题/需求描述
项目性质决定我们的开发模式(苦逼项目外包),由甲方提供基础框架,我们基于基础框架进行业务开发,但是甲方不提供源码或者编译构建环境,需要申请VPN 已经访问账号,如果对方的VPN 网络不通畅很容易影响开发进度;而且,我们自己的构建环境没法通过他们的VPN 去下载依赖,所以,需要解决以下问题:
- 连甲方的VPN 下载基础框架的依赖(十几个包,而且还是 SNAPSHOT)
- 将基础框架的依赖发布到我们私服
解决方案
使用 mvn deploy:deploy-file
命令发布到私服,我们先看看需要哪些参数:
-
-Dfile
需要发布jar包的绝对路径 -
-DgroupId
对应pom 里面的<groupId>groupId</groupId>
-
-DartifactId
对应pom 里面的<artifactId>artifactId</artifactId>
-
-Dversion
对应pom 里面的<version>version</version>
-
-Dpackaging
对应pom 里面的<packaging>packaging</packaging>
,比如 jar、pom -
-DrepositoryId
仓库ID -
-Durl
远程仓库地址
经过观察,我们本地仓库的依赖目录结构,会有两个关键内容,一个是jar 编译包,另个就是当前jar的maven 描述,如下图:
image.png
jar 都知道是需要发布到私服的文件,最关键的是 xxx-xxx-xxx.pom 描述文件,我们可以通过解析这个描述文件拿到 maven的 groupId
、artifactId
、version
关键信息。
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<!-- This module was also published with a richer model, Gradle metadata, -->
<!-- which should be used instead. Do not delete the following line which -->
<!-- is to indicate to Gradle or any Gradle module metadata file consumer -->
<!-- that they should prefer consuming it instead. -->
<!-- do_not_remove: published-with-gradle-metadata -->
<modelVersion>4.0.0</modelVersion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot</artifactId>
<version>2.7.6</version>
<name>spring-boot</name>
<description>Spring Boot</description>
<url>https://spring.io/projects/spring-boot</url>
<organization>
<name>Pivotal Software, Inc.</name>
<url>https://spring.io</url>
</organization>
<licenses>
<license>
<name>Apache License, Version 2.0</name>
<url>https://www.apache.org/licenses/LICENSE-2.0</url>
</license>
</licenses>
<developers>
<developer>
<name>Pivotal</name>
<email>info@pivotal.io</email>
<organization>Pivotal Software, Inc.</organization>
<organizationUrl>https://www.spring.io</organizationUrl>
</developer>
</developers>
<scm>
<connection>scm:git:git://github.com/spring-projects/spring-boot.git</connection>
<developerConnection>scm:git:ssh://git@github.com/spring-projects/spring-boot.git</developerConnection>
<url>https://github.com/spring-projects/spring-boot</url>
</scm>
<issueManagement>
<system>GitHub</system>
<url>https://github.com/spring-projects/spring-boot/issues</url>
</issueManagement>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>5.3.24</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.3.24</version>
<scope>compile</scope>
</dependency>
</dependencies>
</project>
分析完成之后,就可以知道代码的实现逻辑了,读取某个目录下的所有文件(含子目录),文件包含jar 以及 pom.xml 文件获取maven 坐标以及版本信息,代码:
// 查找需要发布的jar文件
func findDeployFile() ([]DeployFile, error) {
var deployeFilesSlice []DeployFile
err := filepath.Walk(RootPath, func(path string, info fs.FileInfo, err error) error {
if err != nil {
log.Fatal(err)
return err
}
if !info.IsDir() {
s := strings.Split(path, "\\")
// 取上一层目录,作为版本
version := s[len(s)-2 : len(s)-1]
if strings.Contains(info.Name(), version[0]) && strings.HasSuffix(info.Name(), ".pom") {
p, _ := getPom(path)
if strings.Contains(info.Name(), p.Version) {
var _path = path
if p.Packaging == "jar" {
_path = strings.Replace(_path, ".pom", ".jar", 1)
}
var depolyeFile = DeployFile{FilePath: _path, PomConfig: p}
deployeFilesSlice = append(deployeFilesSlice, depolyeFile)
}
}
}
return nil
})
if err != nil {
return nil, err
}
return deployeFilesSlice, nil
}
// 读取pom 文件,获取坐标
func getPom(path string) (Pom, error) {
fmt.Printf("path: %v\n", path)
file, err := os.Open(path)
if err != nil {
log.Fatal(err)
return Pom{}, err
}
// 关闭流
defer file.Close()
// 读取xml 文件
b, err2 := ioutil.ReadAll(file)
if err2 != nil {
log.Fatal(err2)
return Pom{}, err2
}
s := strings.Split(path, "\\")
v := Pom{}
err3 := xml.Unmarshal(b, &v)
if err != nil {
log.Fatal(err3)
}
if v.GroupId == "" {
v.GroupId = v.Parent.GroupId
}
if v.Packaging == "" {
v.Packaging = "jar"
}
if v.Version == "" {
// 取上一层目录,作为版本
version := s[len(s)-2 : len(s)-1]
v.Version = version[0]
}
fmt.Printf("version: %v\n", v.Version)
// fmt.Printf("v: %v\n", v)
return v, nil
}
拿到需要发布jar 的坐标关键信息之后,就是拼接 mvn deploy:deploy-file
的命令并执行该命令。代码:
// 发布到私服
func deployeCMD(deployConfig DeployFile) {
var sourceFilePath = ""
if deployConfig.PomConfig.Packaging == "jar" {
sourceFilePath = "-Dsources=" + strings.Replace(deployConfig.FilePath, ".jar", "-sources.jar", 1)
}
cmd := exec.Command("mvn",
"deploy:deploy-file",
"-Dmaven.test.skip=true",
"-Dfile="+deployConfig.FilePath,
sourceFilePath,
"-DgroupId="+deployConfig.PomConfig.GroupId,
"-DartifactId="+deployConfig.PomConfig.ArtifactId,
"-Dversion="+deployConfig.PomConfig.Version,
"-Dpackaging="+deployConfig.PomConfig.Packaging,
"-DrepositoryId="+RerepositoryId,
"-Durl="+RemoteURL)
fmt.Printf("cmd.Args: %v\n", cmd.Args)
stdout, err := cmd.StdoutPipe()
if err != nil {
log.Fatal(err)
}
// 关闭流
defer stdout.Close()
// 输出命令执行结果
if err := cmd.Start(); err != nil { // 运行命令
log.Fatal(err)
}
if opBytes, err := ioutil.ReadAll(stdout); err != nil { // 读取输出结果
log.Fatal(err)
return
} else {
log.Println(string(opBytes))
}
}
到这里,将本地jar批量发布到nexus 的代码就算敲完了,下面附上完整的代码。
package main
import (
"encoding/xml"
"fmt"
"io/fs"
"io/ioutil"
"log"
"os"
"os/exec"
"path/filepath"
"strings"
)
type Pom struct {
XMLName xml.Name `xml:"project"`
GroupId string `xml:"groupId"`
ArtifactId string `xml:"artifactId"`
Version string `xml:"version"`
Packaging string `xml:"packaging"`
Parent Parent `xml:"parent"`
}
type Parent struct {
GroupId string `xml:"groupId"`
ArtifactId string `xml:"artifactId"`
Version string `xml:"version"`
}
type DeployFile struct {
FilePath string
PomConfig Pom
}
const (
RootPath string = "D:\\Baas\\leatop_jar\\leatop"
RemoteURL string = "https://middle.xxxx.cn/repository/mvn-leatop-snapshots/"
RerepositoryId string = "mvn-leatop-snapshots"
)
// 读取pom 文件,获取坐标
func getPom(path string) (Pom, error) {
fmt.Printf("path: %v\n", path)
file, err := os.Open(path)
if err != nil {
log.Fatal(err)
return Pom{}, err
}
// 关闭流
defer file.Close()
// 读取xml 文件
b, err2 := ioutil.ReadAll(file)
if err2 != nil {
log.Fatal(err2)
return Pom{}, err2
}
s := strings.Split(path, "\\")
v := Pom{}
err3 := xml.Unmarshal(b, &v)
if err != nil {
log.Fatal(err3)
}
if v.GroupId == "" {
v.GroupId = v.Parent.GroupId
}
if v.Packaging == "" {
v.Packaging = "jar"
}
if v.Version == "" {
// 取上一层目录,作为版本
version := s[len(s)-2 : len(s)-1]
v.Version = version[0]
}
fmt.Printf("version: %v\n", v.Version)
// fmt.Printf("v: %v\n", v)
return v, nil
}
// 查找需要发布的jar文件
func findDeployFile() ([]DeployFile, error) {
var deployeFilesSlice []DeployFile
err := filepath.Walk(RootPath, func(path string, info fs.FileInfo, err error) error {
if err != nil {
log.Fatal(err)
return err
}
if !info.IsDir() {
s := strings.Split(path, "\\")
// 取上一层目录,作为版本
version := s[len(s)-2 : len(s)-1]
if strings.Contains(info.Name(), version[0]) && strings.HasSuffix(info.Name(), ".pom") {
p, _ := getPom(path)
if strings.Contains(info.Name(), p.Version) {
var _path = path
if p.Packaging == "jar" {
_path = strings.Replace(_path, ".pom", ".jar", 1)
}
var depolyeFile = DeployFile{FilePath: _path, PomConfig: p}
deployeFilesSlice = append(deployeFilesSlice, depolyeFile)
}
}
}
return nil
})
if err != nil {
return nil, err
}
return deployeFilesSlice, nil
}
// 发布到私服
func deployeCMD(deployConfig DeployFile) {
var sourceFilePath = ""
if deployConfig.PomConfig.Packaging == "jar" {
sourceFilePath = "-Dsources=" + strings.Replace(deployConfig.FilePath, ".jar", "-sources.jar", 1)
}
cmd := exec.Command("mvn",
"deploy:deploy-file",
"-Dmaven.test.skip=true",
"-Dfile="+deployConfig.FilePath,
sourceFilePath,
"-DgroupId="+deployConfig.PomConfig.GroupId,
"-DartifactId="+deployConfig.PomConfig.ArtifactId,
"-Dversion="+deployConfig.PomConfig.Version,
"-Dpackaging="+deployConfig.PomConfig.Packaging,
"-DrepositoryId="+RerepositoryId,
"-Durl="+RemoteURL)
fmt.Printf("cmd.Args: %v\n", cmd.Args)
stdout, err := cmd.StdoutPipe()
if err != nil {
log.Fatal(err)
}
// 关闭流
defer stdout.Close()
// 输出命令执行结果
if err := cmd.Start(); err != nil { // 运行命令
log.Fatal(err)
}
if opBytes, err := ioutil.ReadAll(stdout); err != nil { // 读取输出结果
log.Fatal(err)
return
} else {
log.Println(string(opBytes))
}
}
func main() {
df, _ := findDeployFile()
for _, file := range df {
fmt.Printf("file: %v\n", file)
deployeCMD(file)
}
// cmd := exec.Command("mvn", "-version")
}
总结
在使用过程中需要注意的2点:
- windows 下与mac 的目录结构不一样,需要调整
-
RootPath string = "D:\\Baas\\leatop_jar\\leatop"
这个目录不能直接是maven 本地仓库目录,需要单独出来
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