@startuml
top to bottom direction
skinparam linetype ortho

node PilotNode as "Pilot Node" {
    database DataStore as "Data Store"

    component EmissaryServer as "Emissary Server" {

        component SpecificationRegistry as "Specification Registry" {
            component UCISpecification as "UCI Spec"

            component MDNSSpecification as "mDNS Spec"

            component AppSpecification as "App Spec"

            component ProxySpecification as "Proxy Spec"
        }

        component HTTPAPIHandler as "HTTP API Handler"

        HTTPAPIHandler .down.> SpecificationRegistry: validates agents data with

        HTTPAPIHandler .right.> DataStore: saves agent data in
    }
}

node OpenWRTNode as "OpenWRT Node" {
    component EmissaryAgent as "Emissary Agent" {

        component StateManager as "State Manager"

        StateManager --up-> HTTPAPIHandler: fetches specs from

        component UCIController as "UCI Controller"

        UCIController -up-> StateManager: reconciles with

        component SysupgradeController as "Sysupgrade Controller"

        SysupgradeController -up-> StateManager: reconciles with

        component ProxyController as "Proxy Controller"

        ProxyController -up-> StateManager: reconciles with

        component MDNSController as "mDNS Controller"

        MDNSController -up-> StateManager: reconciles with

        component AppController as "App Controller"

        AppController -up-> StateManager: reconciles with
    }
}