Class: Ci::CreateDownstreamPipelineService

Inherits:
BaseService
  • Object
show all
Includes:
Gitlab::Utils::StrongMemoize
Defined in:
app/services/ci/create_downstream_pipeline_service.rb

Overview

Takes in input a Ci::Bridge job and creates a downstream pipeline (either multi-project or child pipeline) according to the Ci::Bridge specifications.

Constant Summary collapse

DuplicateDownstreamPipelineError =
Class.new(StandardError)
MAX_DESCENDANTS_DEPTH =
2

Instance Attribute Summary

Attributes inherited from BaseService

#current_user, #params, #project

Instance Method Summary collapse

Methods included from Gitlab::Utils::StrongMemoize

#clear_memoization, #strong_memoize, #strong_memoized?

Methods inherited from BaseService

#initialize

Methods included from BaseServiceUtility

#deny_visibility_level, #event_service, #log_error, #log_info, #notification_service, #system_hook_service, #todo_service, #visibility_level

Methods included from Gitlab::Allowable

#can?

Constructor Details

This class inherits a constructor from BaseService

Instance Method Details

#execute(bridge) ⇒ Object


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# File 'app/services/ci/create_downstream_pipeline_service.rb', line 14

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