debian-mirror-gitlab/app/services/ci/create_cross_project_pipeline_service.rb
2020-06-23 00:09:42 +05:30

110 lines
3.5 KiB
Ruby

# frozen_string_literal: true
module Ci
# TODO: rename this (and worker) to CreateDownstreamPipelineService
class CreateCrossProjectPipelineService < ::BaseService
include Gitlab::Utils::StrongMemoize
DuplicateDownstreamPipelineError = Class.new(StandardError)
def execute(bridge)
@bridge = bridge
if bridge.has_downstream_pipeline?
Gitlab::ErrorTracking.track_exception(
DuplicateDownstreamPipelineError.new,
bridge_id: @bridge.id, project_id: @bridge.project_id
)
return
end
pipeline_params = @bridge.downstream_pipeline_params
target_ref = pipeline_params.dig(:target_revision, :ref)
return unless ensure_preconditions!(target_ref)
service = ::Ci::CreatePipelineService.new(
pipeline_params.fetch(:project),
current_user,
pipeline_params.fetch(:target_revision))
downstream_pipeline = service.execute(
pipeline_params.fetch(:source), pipeline_params[:execute_params]) do |pipeline|
pipeline.variables.build(@bridge.downstream_variables)
end
downstream_pipeline.tap do |pipeline|
update_bridge_status!(@bridge, pipeline)
end
end
private
def update_bridge_status!(bridge, pipeline)
Gitlab::OptimisticLocking.retry_lock(bridge) do |subject|
if pipeline.created_successfully?
# If bridge uses `strategy:depend` we leave it running
# and update the status when the downstream pipeline completes.
subject.success! unless subject.dependent?
else
subject.options[:downstream_errors] = pipeline.errors.full_messages
subject.drop!(:downstream_pipeline_creation_failed)
end
end
rescue StateMachines::InvalidTransition => e
Gitlab::ErrorTracking.track_exception(
Ci::Bridge::InvalidTransitionError.new(e.message),
bridge_id: bridge.id,
downstream_pipeline_id: pipeline.id)
end
def ensure_preconditions!(target_ref)
unless downstream_project_accessible?
@bridge.drop!(:downstream_bridge_project_not_found)
return false
end
# TODO: Remove this condition if favour of model validation
# https://gitlab.com/gitlab-org/gitlab/issues/38338
if downstream_project == project && !@bridge.triggers_child_pipeline?
@bridge.drop!(:invalid_bridge_trigger)
return false
end
# TODO: Remove this condition if favour of model validation
# https://gitlab.com/gitlab-org/gitlab/issues/38338
if @bridge.triggers_child_pipeline? && @bridge.pipeline.parent_pipeline.present?
@bridge.drop!(:bridge_pipeline_is_child_pipeline)
return false
end
unless can_create_downstream_pipeline?(target_ref)
@bridge.drop!(:insufficient_bridge_permissions)
return false
end
true
end
def downstream_project_accessible?
downstream_project.present? &&
can?(current_user, :read_project, downstream_project)
end
def can_create_downstream_pipeline?(target_ref)
can?(current_user, :update_pipeline, project) &&
can?(current_user, :create_pipeline, downstream_project) &&
can_update_branch?(target_ref)
end
def can_update_branch?(target_ref)
::Gitlab::UserAccess.new(current_user, project: downstream_project).can_update_branch?(target_ref)
end
def downstream_project
strong_memoize(:downstream_project) do
@bridge.downstream_project
end
end
end
end