mirror of
https://github.com/go-gitea/gitea
synced 2024-12-21 09:34:32 +01:00
651 lines
16 KiB
Go
651 lines
16 KiB
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package migrations
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import (
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"context"
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"errors"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"path"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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base "code.gitea.io/gitea/modules/migration"
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"code.gitea.io/gitea/modules/repository"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/structs"
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"gopkg.in/yaml.v2"
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)
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var _ base.Uploader = &RepositoryDumper{}
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// RepositoryDumper implements an Uploader to the local directory
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type RepositoryDumper struct {
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ctx context.Context
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baseDir string
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repoOwner string
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repoName string
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opts base.MigrateOptions
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milestoneFile *os.File
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labelFile *os.File
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releaseFile *os.File
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issueFile *os.File
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commentFiles map[int64]*os.File
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pullrequestFile *os.File
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reviewFiles map[int64]*os.File
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gitRepo *git.Repository
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prHeadCache map[string]struct{}
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}
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// NewRepositoryDumper creates an gitea Uploader
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func NewRepositoryDumper(ctx context.Context, baseDir, repoOwner, repoName string, opts base.MigrateOptions) (*RepositoryDumper, error) {
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baseDir = filepath.Join(baseDir, repoOwner, repoName)
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if err := os.MkdirAll(baseDir, os.ModePerm); err != nil {
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return nil, err
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}
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return &RepositoryDumper{
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ctx: ctx,
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opts: opts,
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baseDir: baseDir,
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repoOwner: repoOwner,
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repoName: repoName,
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prHeadCache: make(map[string]struct{}),
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commentFiles: make(map[int64]*os.File),
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reviewFiles: make(map[int64]*os.File),
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}, nil
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}
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// MaxBatchInsertSize returns the table's max batch insert size
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func (g *RepositoryDumper) MaxBatchInsertSize(tp string) int {
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return 1000
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}
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func (g *RepositoryDumper) gitPath() string {
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return filepath.Join(g.baseDir, "git")
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}
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func (g *RepositoryDumper) wikiPath() string {
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return filepath.Join(g.baseDir, "wiki")
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}
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func (g *RepositoryDumper) commentDir() string {
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return filepath.Join(g.baseDir, "comments")
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}
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func (g *RepositoryDumper) reviewDir() string {
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return filepath.Join(g.baseDir, "reviews")
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}
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func (g *RepositoryDumper) setURLToken(remoteAddr string) (string, error) {
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if len(g.opts.AuthToken) > 0 || len(g.opts.AuthUsername) > 0 {
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u, err := url.Parse(remoteAddr)
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if err != nil {
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return "", err
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}
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u.User = url.UserPassword(g.opts.AuthUsername, g.opts.AuthPassword)
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if len(g.opts.AuthToken) > 0 {
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u.User = url.UserPassword("oauth2", g.opts.AuthToken)
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}
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remoteAddr = u.String()
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}
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return remoteAddr, nil
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}
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// CreateRepo creates a repository
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func (g *RepositoryDumper) CreateRepo(repo *base.Repository, opts base.MigrateOptions) error {
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f, err := os.Create(filepath.Join(g.baseDir, "repo.yml"))
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if err != nil {
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return err
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}
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defer f.Close()
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bs, err := yaml.Marshal(map[string]interface{}{
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"name": repo.Name,
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"owner": repo.Owner,
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"description": repo.Description,
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"clone_addr": opts.CloneAddr,
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"original_url": repo.OriginalURL,
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"is_private": opts.Private,
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"service_type": opts.GitServiceType,
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"wiki": opts.Wiki,
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"issues": opts.Issues,
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"milestones": opts.Milestones,
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"labels": opts.Labels,
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"releases": opts.Releases,
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"comments": opts.Comments,
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"pulls": opts.PullRequests,
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"assets": opts.ReleaseAssets,
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})
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if err != nil {
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return err
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}
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if _, err := f.Write(bs); err != nil {
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return err
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}
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repoPath := g.gitPath()
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if err := os.MkdirAll(repoPath, os.ModePerm); err != nil {
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return err
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}
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migrateTimeout := 2 * time.Hour
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remoteAddr, err := g.setURLToken(repo.CloneURL)
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if err != nil {
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return err
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}
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err = git.Clone(g.ctx, remoteAddr, repoPath, git.CloneRepoOptions{
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Mirror: true,
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Quiet: true,
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Timeout: migrateTimeout,
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SkipTLSVerify: setting.Migrations.SkipTLSVerify,
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})
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if err != nil {
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return fmt.Errorf("Clone: %v", err)
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}
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if err := git.WriteCommitGraph(g.ctx, repoPath); err != nil {
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return err
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}
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if opts.Wiki {
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wikiPath := g.wikiPath()
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wikiRemotePath := repository.WikiRemoteURL(g.ctx, remoteAddr)
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if len(wikiRemotePath) > 0 {
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if err := os.MkdirAll(wikiPath, os.ModePerm); err != nil {
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return fmt.Errorf("Failed to remove %s: %v", wikiPath, err)
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}
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if err := git.Clone(g.ctx, wikiRemotePath, wikiPath, git.CloneRepoOptions{
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Mirror: true,
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Quiet: true,
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Timeout: migrateTimeout,
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Branch: "master",
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SkipTLSVerify: setting.Migrations.SkipTLSVerify,
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}); err != nil {
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log.Warn("Clone wiki: %v", err)
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if err := os.RemoveAll(wikiPath); err != nil {
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return fmt.Errorf("Failed to remove %s: %v", wikiPath, err)
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}
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} else if err := git.WriteCommitGraph(g.ctx, wikiPath); err != nil {
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return err
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}
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}
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}
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g.gitRepo, err = git.OpenRepository(g.ctx, g.gitPath())
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return err
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}
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// Close closes this uploader
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func (g *RepositoryDumper) Close() {
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if g.gitRepo != nil {
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g.gitRepo.Close()
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}
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if g.milestoneFile != nil {
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g.milestoneFile.Close()
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}
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if g.labelFile != nil {
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g.labelFile.Close()
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}
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if g.releaseFile != nil {
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g.releaseFile.Close()
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}
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if g.issueFile != nil {
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g.issueFile.Close()
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}
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for _, f := range g.commentFiles {
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f.Close()
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}
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if g.pullrequestFile != nil {
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g.pullrequestFile.Close()
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}
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for _, f := range g.reviewFiles {
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f.Close()
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}
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}
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// CreateTopics creates topics
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func (g *RepositoryDumper) CreateTopics(topics ...string) error {
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f, err := os.Create(filepath.Join(g.baseDir, "topic.yml"))
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if err != nil {
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return err
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}
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defer f.Close()
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bs, err := yaml.Marshal(map[string]interface{}{
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"topics": topics,
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})
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if err != nil {
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return err
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}
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if _, err := f.Write(bs); err != nil {
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return err
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}
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return nil
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}
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// CreateMilestones creates milestones
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func (g *RepositoryDumper) CreateMilestones(milestones ...*base.Milestone) error {
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var err error
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if g.milestoneFile == nil {
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g.milestoneFile, err = os.Create(filepath.Join(g.baseDir, "milestone.yml"))
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if err != nil {
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return err
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}
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}
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bs, err := yaml.Marshal(milestones)
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if err != nil {
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return err
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}
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if _, err := g.milestoneFile.Write(bs); err != nil {
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return err
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}
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return nil
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}
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// CreateLabels creates labels
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func (g *RepositoryDumper) CreateLabels(labels ...*base.Label) error {
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var err error
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if g.labelFile == nil {
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g.labelFile, err = os.Create(filepath.Join(g.baseDir, "label.yml"))
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if err != nil {
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return err
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}
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}
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bs, err := yaml.Marshal(labels)
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if err != nil {
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return err
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}
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if _, err := g.labelFile.Write(bs); err != nil {
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return err
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}
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return nil
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}
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// CreateReleases creates releases
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func (g *RepositoryDumper) CreateReleases(releases ...*base.Release) error {
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if g.opts.ReleaseAssets {
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for _, release := range releases {
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attachDir := filepath.Join("release_assets", release.TagName)
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if err := os.MkdirAll(filepath.Join(g.baseDir, attachDir), os.ModePerm); err != nil {
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return err
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}
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for _, asset := range release.Assets {
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attachLocalPath := filepath.Join(attachDir, asset.Name)
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// download attachment
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err := func(attachPath string) error {
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var rc io.ReadCloser
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var err error
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if asset.DownloadURL == nil {
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rc, err = asset.DownloadFunc()
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if err != nil {
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return err
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}
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} else {
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resp, err := http.Get(*asset.DownloadURL)
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if err != nil {
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return err
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}
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rc = resp.Body
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}
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defer rc.Close()
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fw, err := os.Create(attachPath)
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if err != nil {
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return fmt.Errorf("Create: %v", err)
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}
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defer fw.Close()
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_, err = io.Copy(fw, rc)
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return err
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}(filepath.Join(g.baseDir, attachLocalPath))
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if err != nil {
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return err
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}
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asset.DownloadURL = &attachLocalPath // to save the filepath on the yml file, change the source
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}
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}
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}
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var err error
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if g.releaseFile == nil {
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g.releaseFile, err = os.Create(filepath.Join(g.baseDir, "release.yml"))
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if err != nil {
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return err
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}
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}
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bs, err := yaml.Marshal(releases)
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if err != nil {
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return err
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}
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if _, err := g.releaseFile.Write(bs); err != nil {
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return err
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}
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return nil
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}
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// SyncTags syncs releases with tags in the database
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func (g *RepositoryDumper) SyncTags() error {
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return nil
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}
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// CreateIssues creates issues
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func (g *RepositoryDumper) CreateIssues(issues ...*base.Issue) error {
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var err error
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if g.issueFile == nil {
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g.issueFile, err = os.Create(filepath.Join(g.baseDir, "issue.yml"))
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if err != nil {
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return err
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}
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}
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bs, err := yaml.Marshal(issues)
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if err != nil {
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return err
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}
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if _, err := g.issueFile.Write(bs); err != nil {
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return err
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}
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return nil
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}
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func (g *RepositoryDumper) createItems(dir string, itemFiles map[int64]*os.File, itemsMap map[int64][]interface{}) error {
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if err := os.MkdirAll(dir, os.ModePerm); err != nil {
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return err
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}
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for number, items := range itemsMap {
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var err error
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itemFile := itemFiles[number]
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if itemFile == nil {
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itemFile, err = os.Create(filepath.Join(dir, fmt.Sprintf("%d.yml", number)))
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if err != nil {
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return err
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}
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itemFiles[number] = itemFile
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}
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bs, err := yaml.Marshal(items)
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if err != nil {
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return err
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}
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if _, err := itemFile.Write(bs); err != nil {
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return err
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}
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}
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return nil
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}
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// CreateComments creates comments of issues
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func (g *RepositoryDumper) CreateComments(comments ...*base.Comment) error {
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commentsMap := make(map[int64][]interface{}, len(comments))
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for _, comment := range comments {
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commentsMap[comment.IssueIndex] = append(commentsMap[comment.IssueIndex], comment)
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}
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return g.createItems(g.commentDir(), g.commentFiles, commentsMap)
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}
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// CreatePullRequests creates pull requests
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func (g *RepositoryDumper) CreatePullRequests(prs ...*base.PullRequest) error {
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for _, pr := range prs {
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// download patch file
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err := func() error {
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u, err := g.setURLToken(pr.PatchURL)
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if err != nil {
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return err
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}
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resp, err := http.Get(u)
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if err != nil {
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return err
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}
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defer resp.Body.Close()
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pullDir := filepath.Join(g.gitPath(), "pulls")
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if err = os.MkdirAll(pullDir, os.ModePerm); err != nil {
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return err
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}
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fPath := filepath.Join(pullDir, fmt.Sprintf("%d.patch", pr.Number))
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f, err := os.Create(fPath)
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if err != nil {
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return err
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}
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defer f.Close()
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if _, err = io.Copy(f, resp.Body); err != nil {
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return err
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}
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pr.PatchURL = "git/pulls/" + fmt.Sprintf("%d.patch", pr.Number)
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return nil
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}()
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if err != nil {
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return err
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}
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// set head information
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pullHead := filepath.Join(g.gitPath(), "refs", "pull", fmt.Sprintf("%d", pr.Number))
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if err := os.MkdirAll(pullHead, os.ModePerm); err != nil {
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return err
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}
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p, err := os.Create(filepath.Join(pullHead, "head"))
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if err != nil {
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return err
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}
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_, err = p.WriteString(pr.Head.SHA)
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p.Close()
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if err != nil {
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return err
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}
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if pr.IsForkPullRequest() && pr.State != "closed" {
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if pr.Head.OwnerName != "" {
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remote := pr.Head.OwnerName
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_, ok := g.prHeadCache[remote]
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if !ok {
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// git remote add
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// TODO: how to handle private CloneURL?
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err := g.gitRepo.AddRemote(remote, pr.Head.CloneURL, true)
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if err != nil {
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log.Error("AddRemote failed: %s", err)
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} else {
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g.prHeadCache[remote] = struct{}{}
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ok = true
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}
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}
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if ok {
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_, _, err = git.NewCommand(g.ctx, "fetch", remote, pr.Head.Ref).RunStdString(&git.RunOpts{Dir: g.gitPath()})
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if err != nil {
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log.Error("Fetch branch from %s failed: %v", pr.Head.CloneURL, err)
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} else {
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// a new branch name with <original_owner_name/original_branchname> will be created to as new head branch
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ref := path.Join(pr.Head.OwnerName, pr.Head.Ref)
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headBranch := filepath.Join(g.gitPath(), "refs", "heads", ref)
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if err := os.MkdirAll(filepath.Dir(headBranch), os.ModePerm); err != nil {
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return err
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}
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b, err := os.Create(headBranch)
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if err != nil {
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return err
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}
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_, err = b.WriteString(pr.Head.SHA)
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b.Close()
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if err != nil {
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return err
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}
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pr.Head.Ref = ref
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}
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}
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}
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}
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// whatever it's a forked repo PR, we have to change head info as the same as the base info
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pr.Head.OwnerName = pr.Base.OwnerName
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pr.Head.RepoName = pr.Base.RepoName
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}
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var err error
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if g.pullrequestFile == nil {
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if err := os.MkdirAll(g.baseDir, os.ModePerm); err != nil {
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return err
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}
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g.pullrequestFile, err = os.Create(filepath.Join(g.baseDir, "pull_request.yml"))
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if err != nil {
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return err
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}
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}
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bs, err := yaml.Marshal(prs)
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if err != nil {
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return err
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}
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if _, err := g.pullrequestFile.Write(bs); err != nil {
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return err
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}
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return nil
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}
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// CreateReviews create pull request reviews
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func (g *RepositoryDumper) CreateReviews(reviews ...*base.Review) error {
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reviewsMap := make(map[int64][]interface{}, len(reviews))
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for _, review := range reviews {
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reviewsMap[review.IssueIndex] = append(reviewsMap[review.IssueIndex], review)
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}
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return g.createItems(g.reviewDir(), g.reviewFiles, reviewsMap)
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}
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// Rollback when migrating failed, this will rollback all the changes.
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func (g *RepositoryDumper) Rollback() error {
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g.Close()
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return os.RemoveAll(g.baseDir)
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}
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// Finish when migrating succeed, this will update something.
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func (g *RepositoryDumper) Finish() error {
|
|
return nil
|
|
}
|
|
|
|
// DumpRepository dump repository according MigrateOptions to a local directory
|
|
func DumpRepository(ctx context.Context, baseDir, ownerName string, opts base.MigrateOptions) error {
|
|
downloader, err := newDownloader(ctx, ownerName, opts)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
uploader, err := NewRepositoryDumper(ctx, baseDir, ownerName, opts.RepoName, opts)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := migrateRepository(downloader, uploader, opts, nil); err != nil {
|
|
if err1 := uploader.Rollback(); err1 != nil {
|
|
log.Error("rollback failed: %v", err1)
|
|
}
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func updateOptionsUnits(opts *base.MigrateOptions, units []string) error {
|
|
if len(units) == 0 {
|
|
opts.Wiki = true
|
|
opts.Issues = true
|
|
opts.Milestones = true
|
|
opts.Labels = true
|
|
opts.Releases = true
|
|
opts.Comments = true
|
|
opts.PullRequests = true
|
|
opts.ReleaseAssets = true
|
|
} else {
|
|
for _, unit := range units {
|
|
switch strings.ToLower(strings.TrimSpace(unit)) {
|
|
case "":
|
|
continue
|
|
case "wiki":
|
|
opts.Wiki = true
|
|
case "issues":
|
|
opts.Issues = true
|
|
case "milestones":
|
|
opts.Milestones = true
|
|
case "labels":
|
|
opts.Labels = true
|
|
case "releases":
|
|
opts.Releases = true
|
|
case "release_assets":
|
|
opts.ReleaseAssets = true
|
|
case "comments":
|
|
opts.Comments = true
|
|
case "pull_requests":
|
|
opts.PullRequests = true
|
|
default:
|
|
return errors.New("invalid unit: " + unit)
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// RestoreRepository restore a repository from the disk directory
|
|
func RestoreRepository(ctx context.Context, baseDir, ownerName, repoName string, units []string, validation bool) error {
|
|
doer, err := user_model.GetAdminUser()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
uploader := NewGiteaLocalUploader(ctx, doer, ownerName, repoName)
|
|
downloader, err := NewRepositoryRestorer(ctx, baseDir, ownerName, repoName, validation)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
opts, err := downloader.getRepoOptions()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tp, _ := strconv.Atoi(opts["service_type"])
|
|
|
|
migrateOpts := base.MigrateOptions{
|
|
GitServiceType: structs.GitServiceType(tp),
|
|
}
|
|
if err := updateOptionsUnits(&migrateOpts, units); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err = migrateRepository(downloader, uploader, migrateOpts, nil); err != nil {
|
|
if err1 := uploader.Rollback(); err1 != nil {
|
|
log.Error("rollback failed: %v", err1)
|
|
}
|
|
return err
|
|
}
|
|
return updateMigrationPosterIDByGitService(ctx, structs.GitServiceType(tp))
|
|
}
|