# Note we use distinct() here to filter any identical tasks, e.g yum update for all services
expression: $.data.where($ != null).select($.get('upgrade_batch_tasks')).where($ != null).flatten().distinct()
data: {get_attr: [ServiceChain, role_data]}
# Note we use distinct() here to filter any identical tasks, e.g yum update for all services
expression: $.data.where($ != null).select($.get('upgrade_batch_tasks')).where($ != null).flatten().distinct()
data: {get_attr: [ServiceChain, role_data]}