Class: Gitlab::GitalyClient::OperationService

Inherits:
Object
  • Object
show all
Includes:
EncodingHelper, WithFeatureFlagActors
Defined in:
lib/gitlab/gitaly_client/operation_service.rb

Constant Summary collapse

MAX_MSG_SIZE = 
128.kilobytes.freeze
CUSTOM_HOOK_FALLBACK_MESSAGE = 
'Prevented by server hooks'

Constants included from EncodingHelper

EncodingHelper::BOM_UTF8, EncodingHelper::ENCODING_CONFIDENCE_THRESHOLD, EncodingHelper::ESCAPED_CHARS, EncodingHelper::UNICODE_REPLACEMENT_CHARACTER

Instance Attribute Summary

Attributes included from WithFeatureFlagActors

#repository_actor

Instance Method Summary collapse

Methods included from WithFeatureFlagActors

#gitaly_client_call, #gitaly_feature_flag_actors, #group_actor, #project_actor, #user_actor

Methods included from EncodingHelper

#binary_io, #detect_binary?, #detect_encoding, #detect_libgit2_binary?, #encode!, #encode_binary, #encode_utf8, #encode_utf8_no_detect, #encode_utf8_with_escaping!, #encode_utf8_with_replacement_character, #strip_bom, #unquote_path

Constructor Details

#initialize(repository) ⇒ OperationService

Returns a new instance of OperationService.



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 13

def initialize(repository)
  @gitaly_repo = repository.gitaly_repository
  @repository = repository

  self.repository_actor = repository
end

Instance Method Details

#add_tag(tag_name, user, target, message) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 34

def add_tag(tag_name, user, target, message)
  request = Gitaly::UserCreateTagRequest.new(
    repository: @gitaly_repo,
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    tag_name: encode_binary(tag_name),
    target_revision: encode_binary(target),
    message: encode_binary(message.to_s),
    timestamp: Google::Protobuf::Timestamp.new(seconds: Time.now.utc.to_i)
  )

  response = gitaly_client_call(@repository.storage, :operation_service, :user_create_tag, request, timeout: GitalyClient.long_timeout)

  Gitlab::Git::Tag.new(@repository, response.tag)
rescue GRPC::BadStatus => e
  detailed_error = GitalyClient.decode_detailed_error(e)

  case detailed_error.try(:error)
  when :access_check
    access_check_error = detailed_error.access_check
    # These messages were returned from internal/allowed API calls
    raise Gitlab::Git::PreReceiveError.new(fallback_message: access_check_error.error_message)
  when :custom_hook
    raise Gitlab::Git::PreReceiveError.new(custom_hook_error_message(detailed_error.custom_hook),
                                           fallback_message: CUSTOM_HOOK_FALLBACK_MESSAGE)
  when :reference_exists
    raise Gitlab::Git::Repository::TagExistsError
  else
    if e.code == GRPC::Core::StatusCodes::FAILED_PRECONDITION
      raise Gitlab::Git::Repository::InvalidRef, e
    end

    raise
  end
end

#rebase(user, rebase_id, branch:, branch_sha:, remote_repository:, remote_branch:, push_options: []) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 289

def rebase(user, rebase_id, branch:, branch_sha:, remote_repository:, remote_branch:, push_options: [])
  request_enum = QueueEnumerator.new
  rebase_sha = nil

  response_enum = gitaly_client_call(
    @repository.storage,
    :operation_service,
    :user_rebase_confirmable,
    request_enum.each,
    timeout: GitalyClient.long_timeout,
    remote_storage: remote_repository.storage
  )

  # First request
  request_enum.push(
    Gitaly::UserRebaseConfirmableRequest.new(
      header: Gitaly::UserRebaseConfirmableRequest::Header.new(
        repository: @gitaly_repo,
        user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
        rebase_id: rebase_id.to_s,
        branch: encode_binary(branch),
        branch_sha: branch_sha,
        remote_repository: remote_repository.gitaly_repository,
        remote_branch: encode_binary(remote_branch),
        git_push_options: push_options,
        timestamp: Google::Protobuf::Timestamp.new(seconds: Time.now.utc.to_i)
      )
    )
  )

  perform_next_gitaly_rebase_request(response_enum) do |response|
    rebase_sha = response.rebase_sha
  end

  yield rebase_sha

  # Second request confirms with gitaly to finalize the rebase
  request_enum.push(Gitaly::UserRebaseConfirmableRequest.new(apply: true))

  perform_next_gitaly_rebase_request(response_enum)

  rebase_sha
rescue GRPC::BadStatus => e
  detailed_error = GitalyClient.decode_detailed_error(e)

  case detailed_error.try(:error)
  when :access_check
    access_check_error = detailed_error.access_check
    # These messages were returned from internal/allowed API calls
    raise Gitlab::Git::PreReceiveError.new(fallback_message: access_check_error.error_message)
  when :rebase_conflict
    raise Gitlab::Git::Repository::GitError, e.details
  else
    raise e
  end
ensure
  request_enum.close
end

#rm_tag(tag_name, user) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 20

def rm_tag(tag_name, user)
  request = Gitaly::UserDeleteTagRequest.new(
    repository: @gitaly_repo,
    tag_name: encode_binary(tag_name),
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly
  )

  response = gitaly_client_call(@repository.storage, :operation_service, :user_delete_tag, request, timeout: GitalyClient.long_timeout)

  if pre_receive_error = response.pre_receive_error.presence
    raise Gitlab::Git::PreReceiveError, pre_receive_error
  end
end

#user_cherry_pick(user:, commit:, branch_name:, message:, start_branch_name:, start_repository:, dry_run: false) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 238

def user_cherry_pick(user:, commit:, branch_name:, message:, start_branch_name:, start_repository:, dry_run: false)
  response = call_cherry_pick_or_revert(:cherry_pick,
                                        user: user,
                                        commit: commit,
                                        branch_name: branch_name,
                                        message: message,
                                        start_branch_name: start_branch_name,
                                        start_repository: start_repository,
                                        dry_run: dry_run)

  Gitlab::Git::OperationService::BranchUpdate.from_gitaly(response.branch_update)
rescue GRPC::BadStatus => e
  detailed_error = GitalyClient.decode_detailed_error(e)

  case detailed_error.try(:error)
  when :access_check
    access_check_error = detailed_error.access_check
    # These messages were returned from internal/allowed API calls
    raise Gitlab::Git::PreReceiveError.new(fallback_message: access_check_error.error_message)
  when :cherry_pick_conflict
    raise Gitlab::Git::Repository::CreateTreeError, 'CONFLICT'
  when :changes_already_applied
    raise Gitlab::Git::Repository::CreateTreeError, 'EMPTY'
  when :target_branch_diverged
    raise Gitlab::Git::CommitError, 'branch diverged'
  else
    raise e
  end
end

#user_commit_files(user, branch_name, commit_message, actions, author_email, author_name, start_branch_name, start_repository, force = false, start_sha = nil) ⇒ Object

rubocop:disable Metrics/ParameterLists



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 436

def user_commit_files(
  user, branch_name, commit_message, actions, author_email, author_name,
  start_branch_name, start_repository, force = false, start_sha = nil)
  req_enum = Enumerator.new do |y|
    header = user_commit_files_request_header(user, branch_name,
    commit_message, actions, author_email, author_name,
    start_branch_name, start_repository, force, start_sha)

    y.yield Gitaly::UserCommitFilesRequest.new(header: header)

    actions.each do |action|
      action_header = user_commit_files_action_header(action)
      y.yield Gitaly::UserCommitFilesRequest.new(
        action: Gitaly::UserCommitFilesAction.new(header: action_header)
      )

      reader = binary_io(action[:content])

      until reader.eof?
        chunk = reader.read(MAX_MSG_SIZE)

        y.yield Gitaly::UserCommitFilesRequest.new(
          action: Gitaly::UserCommitFilesAction.new(content: chunk)
        )
      end
    end
  end

  response = gitaly_client_call(
    @repository.storage, :operation_service, :user_commit_files, req_enum,
    timeout: GitalyClient.long_timeout, remote_storage: start_repository&.storage)

  if (pre_receive_error = response.pre_receive_error.presence)
    raise Gitlab::Git::PreReceiveError, pre_receive_error
  end

  if (index_error = response.index_error.presence)
    raise Gitlab::Git::Index::IndexError, index_error
  end

  Gitlab::Git::OperationService::BranchUpdate.from_gitaly(response.branch_update)
rescue GRPC::BadStatus => e
  detailed_error = GitalyClient.decode_detailed_error(e)

  case detailed_error.try(:error)
  when :access_check
    access_check_error = detailed_error.access_check
    # These messages were returned from internal/allowed API calls
    raise Gitlab::Git::PreReceiveError.new(fallback_message: access_check_error.error_message)
  when :custom_hook
    raise Gitlab::Git::PreReceiveError.new(custom_hook_error_message(detailed_error.custom_hook),
                                           fallback_message: CUSTOM_HOOK_FALLBACK_MESSAGE)
  when :index_update
    raise Gitlab::Git::Index::IndexError, index_error_message(detailed_error.index_update)
  else
    # Some invalid path errors are caught by Gitaly directly and returned
    # as an :index_update error, while others are found by libgit2 and
    # come as generic errors. We need to convert the latter as IndexErrors
    # as well.
    if e.to_status.details.start_with?('invalid path')
      raise Gitlab::Git::Index::IndexError, e.to_status.details
    end

    raise e
  end
end

#user_commit_patches(user, branch_name, patches) ⇒ Object

rubocop:enable Metrics/ParameterLists



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 504

def user_commit_patches(user, branch_name, patches)
  header = Gitaly::UserApplyPatchRequest::Header.new(
    repository: @gitaly_repo,
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    target_branch: encode_binary(branch_name),
    timestamp: Google::Protobuf::Timestamp.new(seconds: Time.now.utc.to_i)
  )
  reader = binary_io(patches)

  chunks = Enumerator.new do |chunk|
    chunk.yield Gitaly::UserApplyPatchRequest.new(header: header)

    until reader.eof?
      patch_chunk = reader.read(MAX_MSG_SIZE)

      chunk.yield(Gitaly::UserApplyPatchRequest.new(patches: patch_chunk))
    end
  end

  response = gitaly_client_call(@repository.storage, :operation_service,
                               :user_apply_patch, chunks, timeout: GitalyClient.long_timeout)

  Gitlab::Git::OperationService::BranchUpdate.from_gitaly(response.branch_update)
end

#user_create_branch(branch_name, user, start_point) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 69

def user_create_branch(branch_name, user, start_point)
  request = Gitaly::UserCreateBranchRequest.new(
    repository: @gitaly_repo,
    branch_name: encode_binary(branch_name),
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    start_point: encode_binary(start_point)
  )
  response = gitaly_client_call(@repository.storage, :operation_service,
                               :user_create_branch, request, timeout: GitalyClient.long_timeout)

  branch = response.branch
  return unless branch

  target_commit = Gitlab::Git::Commit.decorate(@repository, branch.target_commit)
  Gitlab::Git::Branch.new(@repository, branch.name, target_commit.id, target_commit)
rescue GRPC::BadStatus => e
  detailed_error = GitalyClient.decode_detailed_error(e)

  case detailed_error.try(:error)
  when :custom_hook
    raise Gitlab::Git::PreReceiveError.new(custom_hook_error_message(detailed_error.custom_hook),
                                           fallback_message: CUSTOM_HOOK_FALLBACK_MESSAGE)
  else
    if e.code == GRPC::Core::StatusCodes::FAILED_PRECONDITION
      raise Gitlab::Git::Repository::InvalidRef, e
    end

    raise
  end
end

#user_delete_branch(branch_name, user) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 117

def user_delete_branch(branch_name, user)
  request = Gitaly::UserDeleteBranchRequest.new(
    repository: @gitaly_repo,
    branch_name: encode_binary(branch_name),
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly
  )

  gitaly_client_call(@repository.storage, :operation_service,
                     :user_delete_branch, request, timeout: GitalyClient.long_timeout)
rescue GRPC::BadStatus => e
  detailed_error = GitalyClient.decode_detailed_error(e)

  case detailed_error.try(:error)
  when :custom_hook
    raise Gitlab::Git::PreReceiveError.new(custom_hook_error_message(detailed_error.custom_hook),
                                           fallback_message: CUSTOM_HOOK_FALLBACK_MESSAGE)
  else
    raise
  end
end

#user_ff_branch(user, source_sha:, target_branch:, target_sha: nil) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 212

def user_ff_branch(user, source_sha:, target_branch:, target_sha: nil)
  request = Gitaly::UserFFBranchRequest.new(
    repository: @gitaly_repo,
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    commit_id: source_sha,
    branch: encode_binary(target_branch),
    expected_old_oid: target_sha
  )

  response = gitaly_client_call(
    @repository.storage,
    :operation_service,
    :user_ff_branch,
    request,
    timeout: GitalyClient.long_timeout
  )

  if response.pre_receive_error.present?
    raise Gitlab::Git::PreReceiveError.new(response.pre_receive_error, fallback_message: "pre-receive hook failed.")
  end

  Gitlab::Git::OperationService::BranchUpdate.from_gitaly(response.branch_update)
rescue GRPC::FailedPrecondition => e
  raise Gitlab::Git::CommitError, e
end

#user_merge_branch(user, source_sha:, target_branch:, message:, target_sha: nil) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 157

def user_merge_branch(user, source_sha:, target_branch:, message:, target_sha: nil)
  request_enum = QueueEnumerator.new
  response_enum = gitaly_client_call(
    @repository.storage,
    :operation_service,
    :user_merge_branch,
    request_enum.each,
    timeout: GitalyClient.long_timeout
  )

  request_enum.push(
    Gitaly::UserMergeBranchRequest.new(
      repository: @gitaly_repo,
      user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
      commit_id: source_sha,
      branch: encode_binary(target_branch),
      expected_old_oid: target_sha,
      message: encode_binary(message),
      timestamp: Google::Protobuf::Timestamp.new(seconds: Time.now.utc.to_i)
    )
  )

  yield response_enum.next.commit_id

  request_enum.push(Gitaly::UserMergeBranchRequest.new(apply: true))

  second_response = response_enum.next

  branch_update = second_response.branch_update
  return if branch_update.nil?
  raise Gitlab::Git::CommitError, 'failed to apply merge to branch' unless branch_update.commit_id.present?

  Gitlab::Git::OperationService::BranchUpdate.from_gitaly(branch_update)
rescue GRPC::BadStatus => e
  detailed_error = GitalyClient.decode_detailed_error(e)

  case detailed_error.try(:error)
  when :access_check
    access_check_error = detailed_error.access_check
    # These messages were returned from internal/allowed API calls
    raise Gitlab::Git::PreReceiveError.new(fallback_message: access_check_error.error_message)
  when :custom_hook
    raise Gitlab::Git::PreReceiveError.new(custom_hook_error_message(detailed_error.custom_hook),
                                           fallback_message: CUSTOM_HOOK_FALLBACK_MESSAGE)
  when :reference_update
    # We simply ignore any reference update errors which are typically an
    # indicator of multiple RPC calls trying to update the same reference
    # at the same point in time.
  else
    raise
  end
ensure
  request_enum.close
end

#user_merge_to_ref(user, source_sha:, branch:, target_ref:, message:, first_parent_ref:, expected_old_oid: "") ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 138

def user_merge_to_ref(user, source_sha:, branch:, target_ref:, message:, first_parent_ref:, expected_old_oid: "")
  request = Gitaly::UserMergeToRefRequest.new(
    repository: @gitaly_repo,
    source_sha: source_sha,
    branch: encode_binary(branch),
    target_ref: encode_binary(target_ref),
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    message: encode_binary(message),
    first_parent_ref: encode_binary(first_parent_ref),
    expected_old_oid: expected_old_oid,
    timestamp: Google::Protobuf::Timestamp.new(seconds: Time.now.utc.to_i)
  )

  response = gitaly_client_call(@repository.storage, :operation_service,
                               :user_merge_to_ref, request, timeout: GitalyClient.long_timeout)

  response.commit_id
end

#user_rebase_to_ref(user, source_sha:, target_ref:, first_parent_ref:, expected_old_oid: "") ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 348

def user_rebase_to_ref(user, source_sha:, target_ref:, first_parent_ref:, expected_old_oid: "")
  request = Gitaly::UserRebaseToRefRequest.new(
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    repository: @gitaly_repo,
    source_sha: source_sha,
    target_ref: encode_binary(target_ref),
    first_parent_ref: encode_binary(first_parent_ref),
    expected_old_oid: expected_old_oid,
    timestamp: Google::Protobuf::Timestamp.new(seconds: Time.now.utc.to_i)
  )

  response = gitaly_client_call(@repository.storage, :operation_service,
                               :user_rebase_to_ref, request, timeout: GitalyClient.long_timeout)

  response.commit_id
end

#user_revert(user:, commit:, branch_name:, message:, start_branch_name:, start_repository:, dry_run: false) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 268

def user_revert(user:, commit:, branch_name:, message:, start_branch_name:, start_repository:, dry_run: false)
  response = call_cherry_pick_or_revert(:revert,
                                        user: user,
                                        commit: commit,
                                        branch_name: branch_name,
                                        message: message,
                                        start_branch_name: start_branch_name,
                                        start_repository: start_repository,
                                        dry_run: dry_run)

  if response.pre_receive_error.presence
    raise Gitlab::Git::PreReceiveError, response.pre_receive_error
  elsif response.commit_error.presence
    raise Gitlab::Git::CommitError, response.commit_error
  elsif response.create_tree_error.presence
    raise Gitlab::Git::Repository::CreateTreeError, response.create_tree_error_code
  end

  Gitlab::Git::OperationService::BranchUpdate.from_gitaly(response.branch_update)
end

#user_squash(user, start_sha, end_sha, author, message, time = Time.now.utc) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 365

def user_squash(user, start_sha, end_sha, author, message, time = Time.now.utc)
  request = Gitaly::UserSquashRequest.new(
    repository: @gitaly_repo,
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    start_sha: start_sha,
    end_sha: end_sha,
    author: Gitlab::Git::User.from_gitlab(author).to_gitaly,
    commit_message: encode_binary(message),
    timestamp: Google::Protobuf::Timestamp.new(seconds: time.to_i)
  )

  response = gitaly_client_call(
    @repository.storage,
    :operation_service,
    :user_squash,
    request,
    timeout: GitalyClient.long_timeout
  )

  response.squash_sha
rescue GRPC::BadStatus => e
  detailed_error = GitalyClient.decode_detailed_error(e)

  case detailed_error.try(:error)
  when :resolve_revision, :rebase_conflict
    # Theoretically, we could now raise specific errors based on the type
    # of the detailed error. Most importantly, we get error details when
    # Gitaly was not able to resolve the `start_sha` or `end_sha` via a
    # ResolveRevisionError, and we get information about which files are
    # conflicting via a MergeConflictError.
    #
    # We don't do this now though such that we can maintain backwards
    # compatibility with the minimum required set of changes during the
    # transitory period where we're migrating UserSquash to use
    # structured errors. We thus continue to just return a GitError, like
    # we previously did.
    raise Gitlab::Git::Repository::GitError, e.details
  else
    raise
  end
end

#user_update_branch(branch_name, user, newrev, oldrev) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 100

def user_update_branch(branch_name, user, newrev, oldrev)
  request = Gitaly::UserUpdateBranchRequest.new(
    repository: @gitaly_repo,
    branch_name: encode_binary(branch_name),
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    newrev: encode_binary(newrev),
    oldrev: encode_binary(oldrev)
  )

  response = gitaly_client_call(@repository.storage, :operation_service,
                               :user_update_branch, request, timeout: GitalyClient.long_timeout)

  if pre_receive_error = response.pre_receive_error.presence
    raise Gitlab::Git::PreReceiveError, pre_receive_error
  end
end

#user_update_submodule(user:, submodule:, commit_sha:, branch:, message:) ⇒ Object 



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# File 'lib/gitlab/gitaly_client/operation_service.rb', line 407

def user_update_submodule(user:, submodule:, commit_sha:, branch:, message:)
  request = Gitaly::UserUpdateSubmoduleRequest.new(
    repository: @gitaly_repo,
    user: Gitlab::Git::User.from_gitlab(user).to_gitaly,
    commit_sha: commit_sha,
    branch: encode_binary(branch),
    submodule: encode_binary(submodule),
    commit_message: encode_binary(message),
    timestamp: Google::Protobuf::Timestamp.new(seconds: Time.now.utc.to_i)
  )

  response = gitaly_client_call(
    @repository.storage,
    :operation_service,
    :user_update_submodule,
    request,
    timeout: GitalyClient.long_timeout
  )

  if response.pre_receive_error.present?
    raise Gitlab::Git::PreReceiveError, response.pre_receive_error
  elsif response.commit_error.present?
    raise Gitlab::Git::CommitError, response.commit_error
  else
    Gitlab::Git::OperationService::BranchUpdate.from_gitaly(response.branch_update)
  end
end