2020-01-20 15:01:19 -05:00
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// 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 repository
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import (
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"context"
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"fmt"
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"strings"
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"time"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/models/db"
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repo_model "code.gitea.io/gitea/models/repo"
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system_model "code.gitea.io/gitea/models/system"
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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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repo_module "code.gitea.io/gitea/modules/repository"
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"code.gitea.io/gitea/modules/util"
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"xorm.io/builder"
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)
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// GitFsck calls 'git fsck' to check repository health.
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func GitFsck(ctx context.Context, timeout time.Duration, args []git.CmdArg) error {
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log.Trace("Doing: GitFsck")
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if err := db.Iterate(
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ctx,
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new(repo_model.Repository),
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builder.Expr("id>0 AND is_fsck_enabled=?", true),
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func(idx int, bean interface{}) error {
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repo := bean.(*repo_model.Repository)
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select {
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case <-ctx.Done():
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return db.ErrCancelledf("before fsck of %s", repo.FullName())
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default:
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}
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log.Trace("Running health check on repository %v", repo)
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repoPath := repo.RepoPath()
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if err := git.Fsck(ctx, repoPath, timeout, args...); err != nil {
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log.Warn("Failed to health check repository (%v): %v", repo, err)
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if err = system_model.CreateRepositoryNotice("Failed to health check repository (%s): %v", repo.FullName(), err); err != nil {
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log.Error("CreateRepositoryNotice: %v", err)
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}
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}
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return nil
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},
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); err != nil {
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log.Trace("Error: GitFsck: %v", err)
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return err
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}
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log.Trace("Finished: GitFsck")
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return nil
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}
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// GitGcRepos calls 'git gc' to remove unnecessary files and optimize the local repository
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func GitGcRepos(ctx context.Context, timeout time.Duration, args ...git.CmdArg) error {
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log.Trace("Doing: GitGcRepos")
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args = append([]git.CmdArg{"gc"}, args...)
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if err := db.Iterate(
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ctx,
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new(repo_model.Repository),
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builder.Gt{"id": 0},
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func(idx int, bean interface{}) error {
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repo := bean.(*repo_model.Repository)
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select {
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case <-ctx.Done():
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return db.ErrCancelledf("before GC of %s", repo.FullName())
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default:
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}
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log.Trace("Running git gc on %v", repo)
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command := git.NewCommand(ctx, args...).
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SetDescription(fmt.Sprintf("Repository Garbage Collection: %s", repo.FullName()))
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var stdout string
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var err error
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stdout, _, err = command.RunStdString(&git.RunOpts{Timeout: timeout, Dir: repo.RepoPath()})
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if err != nil {
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log.Error("Repository garbage collection failed for %v. Stdout: %s\nError: %v", repo, stdout, err)
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desc := fmt.Sprintf("Repository garbage collection failed for %s. Stdout: %s\nError: %v", repo.RepoPath(), stdout, err)
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if err = system_model.CreateRepositoryNotice(desc); err != nil {
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log.Error("CreateRepositoryNotice: %v", err)
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}
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return fmt.Errorf("Repository garbage collection failed in repo: %s: Error: %w", repo.FullName(), err)
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}
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// Now update the size of the repository
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if err := repo_module.UpdateRepoSize(ctx, repo); err != nil {
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log.Error("Updating size as part of garbage collection failed for %v. Stdout: %s\nError: %v", repo, stdout, err)
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desc := fmt.Sprintf("Updating size as part of garbage collection failed for %s. Stdout: %s\nError: %v", repo.RepoPath(), stdout, err)
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if err = system_model.CreateRepositoryNotice(desc); err != nil {
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log.Error("CreateRepositoryNotice: %v", err)
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}
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return fmt.Errorf("Updating size as part of garbage collection failed in repo: %s: Error: %w", repo.FullName(), err)
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}
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return nil
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},
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); err != nil {
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return err
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}
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log.Trace("Finished: GitGcRepos")
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return nil
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}
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func gatherMissingRepoRecords(ctx context.Context) ([]*repo_model.Repository, error) {
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repos := make([]*repo_model.Repository, 0, 10)
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if err := db.Iterate(
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ctx,
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new(repo_model.Repository),
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builder.Gt{"id": 0},
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func(idx int, bean interface{}) error {
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repo := bean.(*repo_model.Repository)
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select {
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case <-ctx.Done():
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return db.ErrCancelledf("during gathering missing repo records before checking %s", repo.FullName())
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default:
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}
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isDir, err := util.IsDir(repo.RepoPath())
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if err != nil {
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return fmt.Errorf("Unable to check dir for %s. %w", repo.FullName(), err)
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}
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if !isDir {
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repos = append(repos, repo)
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}
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return nil
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},
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); err != nil {
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if strings.HasPrefix(err.Error(), "Aborted gathering missing repo") {
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return nil, err
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}
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if err2 := system_model.CreateRepositoryNotice("gatherMissingRepoRecords: %v", err); err2 != nil {
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log.Error("CreateRepositoryNotice: %v", err2)
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}
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return nil, err
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}
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return repos, nil
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}
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// DeleteMissingRepositories deletes all repository records that lost Git files.
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func DeleteMissingRepositories(ctx context.Context, doer *user_model.User) error {
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repos, err := gatherMissingRepoRecords(ctx)
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if err != nil {
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return err
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}
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if len(repos) == 0 {
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return nil
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}
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for _, repo := range repos {
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select {
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case <-ctx.Done():
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return db.ErrCancelledf("during DeleteMissingRepositories before %s", repo.FullName())
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default:
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}
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log.Trace("Deleting %d/%d...", repo.OwnerID, repo.ID)
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if err := models.DeleteRepository(doer, repo.OwnerID, repo.ID); err != nil {
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log.Error("Failed to DeleteRepository %s [%d]: Error: %v", repo.FullName(), repo.ID, err)
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if err2 := system_model.CreateRepositoryNotice("Failed to DeleteRepository %s [%d]: Error: %v", repo.FullName(), repo.ID, err); err2 != nil {
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log.Error("CreateRepositoryNotice: %v", err)
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}
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}
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}
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return nil
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}
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// ReinitMissingRepositories reinitializes all repository records that lost Git files.
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func ReinitMissingRepositories(ctx context.Context) error {
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repos, err := gatherMissingRepoRecords(ctx)
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if err != nil {
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return err
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}
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if len(repos) == 0 {
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return nil
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}
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for _, repo := range repos {
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select {
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case <-ctx.Done():
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return db.ErrCancelledf("during ReinitMissingRepositories before %s", repo.FullName())
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default:
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}
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log.Trace("Initializing %d/%d...", repo.OwnerID, repo.ID)
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if err := git.InitRepository(ctx, repo.RepoPath(), true); err != nil {
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log.Error("Unable (re)initialize repository %d at %s. Error: %v", repo.ID, repo.RepoPath(), err)
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if err2 := system_model.CreateRepositoryNotice("InitRepository [%d]: %v", repo.ID, err); err2 != nil {
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log.Error("CreateRepositoryNotice: %v", err2)
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}
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}
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}
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return nil
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}
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