Request state machine YesNoneed_infoacceptrejectSubmitcancelcancelcanceldeleteYesNoprocessCREATEUPDATEDELETEYesNoretrycancelStartSUBMITTEDauto accept?instance pendingACCEPTEDadmin actionNEED_INFOREJECTEDCANCELEDDeletedauto process?Operation type?admin actioninstance_creatinginstance_updatinginstance_deletingPROCESSINGprocessing ok?COMPLETEFAILED