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@startuml
skinparam maxMessageSize 100
actor "Administrator"
== Initialization ==
"Administrator" -> "Decision Engine" : Start all services
"Decision Engine" -> "Background Task Scheduler" : Start
activate "Background Task Scheduler"
"Background Task Scheduler" -> "Cluster Model Collector Loader"\
: List available cluster data models
"Cluster Model Collector Loader" --> "Background Task Scheduler"\
: list of BaseClusterModelCollector instances
loop for every available cluster data model collector
"Background Task Scheduler" -> "Background Task Scheduler"\
: add periodic synchronization job
create "Jobs Pool"
"Background Task Scheduler" -> "Jobs Pool" : Create sync job
end
deactivate "Background Task Scheduler"
hnote over "Background Task Scheduler" : Idle
== Job workflow ==
"Background Task Scheduler" -> "Jobs Pool" : Trigger synchronization job
"Jobs Pool" -> "Nova Cluster Data Model Collector" : synchronize
activate "Nova Cluster Data Model Collector"
"Nova Cluster Data Model Collector" -> "Nova API"\
: Fetch needed data to build the cluster data model
"Nova API" --> "Nova Cluster Data Model Collector" : Needed data
"Nova Cluster Data Model Collector" -> "Nova Cluster Data Model Collector"\
: Build an in-memory cluster data model
]o<-- "Nova Cluster Data Model Collector" : Done
deactivate "Nova Cluster Data Model Collector"
@enduml
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