Commit 5dc2cadf authored by Stan Hu's avatar Stan Hu Committed by Rémy Coutable

Merge branch '20156-rescue-reference-create-due-to-file-lock-exists' into 'master'

Rescue Rugged::OSError (lock exists) when creating references.

Rescue an exception on concurrent scenarios. I was able to create a spec for this, because if you create the lock file before trying to create the reference the reference is created without a problem and the lock file is removed. So IMHO there is a race condition where more than one process is trying to create the same reference at the same time raising the exception, so I just added the patch without specs.

```ruby
    it "attempting to call keep_around when exists a lock does not fail" do
      ref = repository.send(:keep_around_ref_name, sample_commit.id)
      path = File.join(repository.path, ref)
      lock_path = "#{path}.lock"

      FileUtils.mkdir_p(path)
      File.open(lock_path, 'w') { |f| f.write('') }

      begin
        # No exception is raised because the lock file is removed at some point in the process
        repository.keep_around(sample_commit.id)
      ensure
        File.delete(path)
        File.delete(lock_path)
      end
    end
```

See merge request !5497
Signed-off-by: default avatarRémy Coutable <remy@rymai.me>
parent 53c7a1fd
...@@ -14,6 +14,7 @@ v 8.10.2 (unreleased) ...@@ -14,6 +14,7 @@ v 8.10.2 (unreleased)
- Add ENV variable to skip repository storages validations. !5478 - Add ENV variable to skip repository storages validations. !5478
- Added `*.js.es6 gitlab-language=javascript` to `.gitattributes`. !5486 - Added `*.js.es6 gitlab-language=javascript` to `.gitattributes`. !5486
- Don't show comment button in gutter of diffs on MR discussion tab. !5493 - Don't show comment button in gutter of diffs on MR discussion tab. !5493
- Rescue Rugged::OSError (lock exists) when creating references. !5497
v 8.10.1 v 8.10.1
- Refactor repository storages documentation. !5428 - Refactor repository storages documentation. !5428
......
...@@ -211,6 +211,9 @@ class Repository ...@@ -211,6 +211,9 @@ class Repository
rugged.references.create(keep_around_ref_name(sha), sha, force: true) rugged.references.create(keep_around_ref_name(sha), sha, force: true)
rescue Rugged::ReferenceError => ex rescue Rugged::ReferenceError => ex
Rails.logger.error "Unable to create keep-around reference for repository #{path}: #{ex}" Rails.logger.error "Unable to create keep-around reference for repository #{path}: #{ex}"
rescue Rugged::OSError => ex
raise unless ex.message =~ /Failed to create locked file/ && ex.message =~ /File exists/
Rails.logger.error "Unable to create keep-around reference for repository #{path}: #{ex}"
end end
end end
......
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