Class: Ci::CreateDownstreamPipelineService

Inherits:
BaseService
  • Object
show all
Includes:
DownstreamPipelineHelpers, 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_NESTED_CHILDREN = 
2

Constants inherited from BaseService

BaseService::UnauthorizedError

Instance Attribute Summary

Attributes inherited from BaseService

#current_user, #params, #project

Instance Method Summary collapse

Methods included from DownstreamPipelineHelpers

#log_downstream_pipeline_creation

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?, #can_all?, #can_any?

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 15

def execute(bridge)
  @bridge = bridge

  return ServiceResponse.error(message: 'Can not run a failed bridge') if @bridge.failed?

  if @bridge.has_downstream_pipeline?
    Gitlab::ErrorTracking.track_exception(
      DuplicateDownstreamPipelineError.new,
      bridge_id: @bridge.id, project_id: @bridge.project_id
    )

    return ServiceResponse.error(message: 'Already has a downstream pipeline')
  end

  pipeline_params = @bridge.downstream_pipeline_params
  target_ref = pipeline_params.dig(:target_revision, :ref)

  return ServiceResponse.error(message: 'Pre-conditions not met') unless ensure_preconditions!(target_ref)

  # Allow retrying if the bridge is already running but has no downstream pipeline.
  # This handles the case where a previous worker was terminated mid-execution.
  unless @bridge.running? || @bridge.run
    return ServiceResponse.error(message: "Cannot run the bridge, status: #{@bridge.status}")
  end

  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])
    .payload

  log_downstream_pipeline_creation(downstream_pipeline)
  log_audit_event(downstream_pipeline)
  update_bridge_status!(@bridge, downstream_pipeline)
rescue StandardError => e
  @bridge.reset.drop!(:data_integrity_failure)
  raise e
end

#log_audit_event(downstream_pipeline) ⇒ Object 



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# File 'app/services/ci/create_downstream_pipeline_service.rb', line 57

def log_audit_event(downstream_pipeline)
  # defined in EE
end