reorganized test hero

collections/documentation/developers/internals/zos/assets/grid_provisioning2.wsd

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+@startuml
+title Provisioning a workload on the TFGrid
+
+autonumber
+actor "User" as user
+actor "Farmer" as farmer
+database "TF Explorer" as explorer
+database Blockchain as blockchain
+boundary Node as node
+
+== Price definition ==
+farmer -> explorer: Farmer set the price of its Resource units
+== Resource research ==
+activate explorer
+user -> explorer: User look where to deploy the workload
+user <- explorer: Gives detail about the farmer owning the node selected
+== Resource reservation  ==
+user -> explorer: write description of the workload
+explorer -> user: return a list of transaction to execute on the blockchain
+== Reservation processing  ==
+user -> blockchain: execute transactions
+explorer <-> blockchain: verify transactions are done
+explorer -> explorer: reservation status changed to `deploy`
+== Resource provisioning  ==
+node <-> explorer: read description of the workloads
+node -> node: provision workload
+alt provision successfull
+    node -> explorer: write result of the provisining
+    explorer -> blockchain: forward token to the farmer
+    blockchain -> farmer: tokens are available to the farmer
+    user <- explorer: read the connection information to his workload
+else provision error
+    node -> explorer: write result of the provisining
+    explorer -> explorer: cancel reservation
+    node -> node: free up capacity
+    explorer -> blockchain: token refunded to user 
+    blockchain <-> user: tokens are available to the user again
+end
+deactivate explorer
+== Resource monitoring ==
+user <-> node: use / monitor workload
+@enduml