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@startuml
title This is the install flow that will be tested in Beijing
actor CLAMP_Tester
participant CLAMP
participant Policy
box "DCAE controller"
database Inventory
participant "Deployment-handler" as DH
control Cloudify
participant "Policy-handler" as PH
database "Consul-kv" as consul
participant "Config-binding service" as CBS
end box
participant TCA_Instance
autonumber
hnote right CLAMP_Tester: decided to install TCA
CLAMP_Tester -> CLAMP : Configure thresholds\n of control loop
note left
Closed loop 1
end note
CLAMP_Tester -> CLAMP : Configure actions\n of control loop
CLAMP -> Policy : Create Configuration\n and Operational Policies
CLAMP -> Inventory : Get DCAE Service Id\n based on Distributed Parameters
group install TCA_Instance
CLAMP -> DH : install instance of TCA with policy_id as input
activate DH
DH -> Inventory : get blueprint for TCA
Inventory --> DH : blueprint for TCA
DH -> Cloudify : install TCA_Instance
activate Cloudify
DH -> CLAMP : response--started installation of TCA_Instance
deactivate DH
CLAMP -> DH : start polling for final success of install
Cloudify -> PH : get policy\n by policy_id
PH -> Policy : /getConfig policy for policyName = policy_id
Policy --> PH : return found policy
PH --> Cloudify : policy by policy_id
Cloudify -> consul: store config with policies\n for TCA_Instance
create TCA_Instance
Cloudify -> TCA_Instance: create instance of TCA
deactivate Cloudify
activate TCA_Instance
TCA_Instance -> CBS: get Config\n and policies
CBS -> consul: get Config\n and policies
consul --> CBS: Config\n and policies
CBS --> TCA_Instance: Config and policies
TCA_Instance -->]: continue
deactivate TCA_Instance
end group
@enduml