/
repo-cleaner.go
162 lines (129 loc) · 3.98 KB
/
repo-cleaner.go
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package gitserver
import (
"context"
"os"
"path/filepath"
"time"
"github.com/sorintlab/errors"
"agola.io/agola/internal/util"
)
func (s *Gitserver) repoCleanerLoop(ctx context.Context) {
for {
select {
case <-ctx.Done():
s.log.Info().Msgf("repoCleaner exiting")
return
case <-time.After(s.c.RepositoryCleanupInterval):
if err := s.scanRepos(ctx); err != nil {
s.log.Err(err).Msgf("scanRepos error")
}
}
}
}
func (s *Gitserver) scanRepos(ctx context.Context) error {
s.log.Info().Msgf("repoCleaner scanRepos start")
usersDir, err := os.ReadDir(s.c.DataDir)
if err != nil {
return errors.WithStack(err)
}
for _, u := range usersDir {
if !u.IsDir() {
continue
}
reposDir, _ := os.ReadDir(filepath.Join(s.c.DataDir, u.Name()))
for _, r := range reposDir {
if !r.IsDir() {
continue
}
if err := s.scanRepo(ctx, filepath.Join(s.c.DataDir, u.Name(), r.Name())); err != nil {
s.log.Err(err).Msgf("scanRepo error")
}
}
}
s.log.Info().Msgf("repoCleaner scanRepos end")
return nil
}
func (s *Gitserver) scanRepo(ctx context.Context, repoDir string) error {
git := &util.Git{GitDir: repoDir}
branches, _ := s.getBranches(git, ctx)
for _, b := range branches {
committerTime, err := s.getLastCommiterTime(ctx, git, "refs/heads/"+b)
if err != nil {
return errors.Wrapf(err, "return failed to get last commit time")
}
if time.Since(committerTime) >= s.c.RepositoryRefsExpireInterval {
if err := s.deleteBranch(ctx, git, b); err != nil {
return errors.Wrapf(err, "failed to delete git branch")
}
}
}
tags, _ := s.getTags(git, ctx)
for _, tag := range tags {
committerTime, err := s.getLastCommiterTime(ctx, git, "refs/tags/"+tag)
if err != nil {
return errors.Wrapf(err, "failed to get last commit time")
}
if time.Since(committerTime) >= s.c.RepositoryRefsExpireInterval {
if err := s.deleteTag(ctx, git, tag); err != nil {
return errors.Wrapf(err, "failed to delete git tag")
}
}
}
if _, err := git.Output(ctx, nil, "prune"); err != nil {
return errors.Wrapf(err, "git prune failed")
}
b, err := s.getBranches(git, ctx)
if err != nil {
return errors.Wrapf(err, "failed to get git branches")
}
t, err := s.getTags(git, ctx)
if err != nil {
return errors.Wrapf(err, "failed to get git tags")
}
if len(b) == 0 && len(t) == 0 {
s.log.Info().Msgf("deleting repo: %q", repoDir)
if err := s.deleteRepo(ctx, repoDir); err != nil {
return errors.Wrapf(err, "failed to delete repository")
}
}
return nil
}
func (s *Gitserver) getBranches(git *util.Git, ctx context.Context) ([]string, error) {
branches, err := git.OutputLines(ctx, nil, "for-each-ref", "--format=%(refname:short)", "refs/heads/")
if err != nil {
return nil, errors.WithStack(err)
}
return branches, nil
}
func (s *Gitserver) getTags(git *util.Git, ctx context.Context) ([]string, error) {
tags, err := git.OutputLines(ctx, nil, "for-each-ref", "--format=%(refname:short)", "refs/tags/")
if err != nil {
return nil, errors.WithStack(err)
}
return tags, nil
}
func (s *Gitserver) getLastCommiterTime(ctx context.Context, git *util.Git, ref string) (time.Time, error) {
output, err := git.OutputLines(ctx, nil, "log", "-1", "--format=%cI", ref)
if err != nil {
return time.Time{}, errors.WithStack(err)
}
if len(output) != 1 {
return time.Time{}, errors.New("git log error: must return one line")
}
committerTime, err := time.Parse(time.RFC3339, output[0])
if err != nil {
return time.Time{}, errors.WithStack(err)
}
return committerTime, nil
}
func (s *Gitserver) deleteBranch(ctx context.Context, git *util.Git, branch string) error {
_, err := git.Output(ctx, nil, "branch", "-D", branch)
return errors.WithStack(err)
}
func (s *Gitserver) deleteTag(ctx context.Context, git *util.Git, tag string) error {
_, err := git.Output(ctx, nil, "tag", "-d", tag)
return errors.WithStack(err)
}
func (s *Gitserver) deleteRepo(ctx context.Context, repoDir string) error {
return errors.WithStack(os.RemoveAll(repoDir))
}