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package repository
import (
"io/ioutil"
"os"
"path/filepath"
"strings"
"time"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
pb "gitlab.com/gitlab-org/gitaly-proto/go"
"gitlab.com/gitlab-org/gitaly/internal/helper"
)
func (server) Cleanup(_ctx context.Context, in *pb.CleanupRequest) (*pb.CleanupResponse, error) {
repoPath, err := helper.GetRepoPath(in.GetRepository())
if err != nil {
return nil, err
}
if err := cleanupRepo(repoPath); err != nil {
return nil, err
}
return &pb.CleanupResponse{}, nil
}
func cleanupRepo(repoPath string) error {
threshold := time.Now().Add(-1 * time.Hour)
if err := cleanRefsLocks(filepath.Join(repoPath, "refs"), threshold); err != nil {
return status.Errorf(codes.Internal, "Cleanup: cleanRefsLocks: %v", err)
}
if err := cleanPackedRefsLock(repoPath, threshold); err != nil {
return status.Errorf(codes.Internal, "Cleanup: cleanPackedRefsLock: %v", err)
}
worktreeThreshold := time.Now().Add(-6 * time.Hour)
if err := cleanStaleWorktrees(repoPath, worktreeThreshold); err != nil {
return status.Errorf(codes.Internal, "Cleanup: cleanStaleWorktrees: %v", err)
}
configLockThreshod := time.Now().Add(-15 * time.Minute)
if err := cleanupConfigLock(repoPath, configLockThreshod); err != nil {
return status.Errorf(codes.Internal, "Cleanup: cleanupConfigLock: %v", err)
}
return nil
}
func cleanRefsLocks(rootPath string, threshold time.Time) error {
return filepath.Walk(rootPath, func(path string, info os.FileInfo, err error) error {
if os.IsNotExist(err) {
// Race condition: somebody already deleted the file for us. Ignore this file.
return nil
}
if err != nil {
return err
}
if info.IsDir() {
return nil
}
if strings.HasSuffix(info.Name(), ".lock") && info.ModTime().Before(threshold) {
if err := os.Remove(path); err != nil && !os.IsNotExist(err) {
return err
}
}
return nil
})
}
func cleanPackedRefsLock(repoPath string, threshold time.Time) error {
path := filepath.Join(repoPath, "packed-refs.lock")
fileInfo, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
if fileInfo.ModTime().Before(threshold) {
if err := os.Remove(path); err != nil && !os.IsNotExist(err) {
return err
}
}
return nil
}
func cleanStaleWorktrees(repoPath string, threshold time.Time) error {
worktreePath := filepath.Join(repoPath, "worktrees")
dirInfo, err := os.Stat(worktreePath)
if err != nil {
if os.IsNotExist(err) || !dirInfo.IsDir() {
return nil
}
return err
}
worktreeEntries, err := ioutil.ReadDir(worktreePath)
if err != nil {
return err
}
for _, info := range worktreeEntries {
if !info.IsDir() || (info.Mode()&os.ModeSymlink != 0) {
continue
}
path := filepath.Join(worktreePath, info.Name())
if info.ModTime().Before(threshold) {
if err := os.RemoveAll(path); err != nil && !os.IsNotExist(err) {
return err
}
}
}
return nil
}
func cleanupConfigLock(repoPath string, threshold time.Time) error {
configLockPath := filepath.Join(repoPath, "config.lock")
fi, err := os.Stat(configLockPath)
if err != nil {
if os.IsNotExist(err) {
return nil
}
return err
}
if fi.ModTime().Before(threshold) {
if err := os.Remove(configLockPath); err != nil && !os.IsNotExist(err) {
return err
}
}
return nil
}
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