diff options
Diffstat (limited to 'docs/clamp/acm/design-impl/participants')
| -rw-r--r-- | docs/clamp/acm/design-impl/participants/participant-intermediary.rst | 147 |
1 files changed, 68 insertions, 79 deletions
diff --git a/docs/clamp/acm/design-impl/participants/participant-intermediary.rst b/docs/clamp/acm/design-impl/participants/participant-intermediary.rst index d9d24ceb..6ebc76f9 100644 --- a/docs/clamp/acm/design-impl/participants/participant-intermediary.rst +++ b/docs/clamp/acm/design-impl/participants/participant-intermediary.rst @@ -12,18 +12,19 @@ Automation Composition Element state. Terminology ----------- -- Broadcast message: a message for all participants (participantId=null and participantType=null) -- Message to a participant: a message only for a participant (participantId and participantType properly filled) +- Broadcast message: a message for all participants (participantId=null) +- Message to a participant: a message only for a participant (participantId properly filled) - MessageSender: a class that takes care of sending messages from participant-intermediary - GUI: graphical user interface, Postman or a Front-End Application +- Message Broker: supported message Broker are DMaap and Strimzi-Kafka Inbound messages to participants -------------------------------- - PARTICIPANT_REGISTER_ACK: received as a response from clamp-acm runtime server as an acknowledgement to ParticipantRegister message sent from a participant - PARTICIPANT_DEREGISTER_ACK: received as a response from clamp-acm runtime server as an acknowledgement to ParticipantDeregister message sent from a participant - AUTOMATION_COMPOSITION_STATE_CHANGE: a message received from clamp-acm runtime server for a state change of clamp-acm -- AUTOMATION_COMPOSITION_UPDATE: a message received from clamp-acm runtime server for a clamp-acm update with clamp-acm instances -- PARTICIPANT_UPDATE: a message received from clamp-acm runtime server for a participant update with tosca definitions of clamp-acm +- AUTOMATION_COMPOSITION_DEPLOY: a message received from clamp-acm runtime server for a clamp-acm deploy with clamp-acm instances +- PARTICIPANT_PRIME: a message received from clamp-acm runtime server for a participant update with tosca definitions of clamp-acm - PARTICIPANT_STATUS_REQ: A status request received from clamp-acm runtime server to send an immediate ParticipantStatus from all participants Outbound messages @@ -32,98 +33,86 @@ Outbound messages - PARTICIPANT_DEREGISTER: is sent by a participant during shutdown - PARTICIPANT_STATUS: is sent by a participant as heartbeat with the status and health of a participant - AUTOMATIONCOMPOSITION_STATECHANGE_ACK: is an acknowledgement sent by a participant as a response to AutomationCompositionStateChange -- AUTOMATIONCOMPOSITION_UPDATE_ACK: is an acknowledgement sent by a participant as a response to AutomationCompositionUpdate -- PARTICIPANT_UPDATE_ACK: is an acknowledgement sent by a participant as a response to ParticipantUpdate +- AUTOMATION_COMPOSITION_DEPLOY_ACK: is an acknowledgement sent by a participant as a response to AutomationCompositionDeploy +- PARTICIPANT_PRIME_ACK: is an acknowledgement sent by a participant as a response to ParticipantPrime Design of a PARTICIPANT_REGISTER message ---------------------------------------- -- A participant starts and send a PARTICIPANT_REGISTER message -- ParticipantRegisterListener collects the message from DMaap -- if participant is not present in DB, it saves participant reference with status UNKNOWN to DB -- if participant is present in DB, it triggers the execution to send a PARTICIPANT_UPDATE message to the participant registered (message of Priming) -- the message is built by ParticipantUpdatePublisher using Tosca Service Template data (to fill the list of ParticipantDefinition) +- A participant starts and send a PARTICIPANT_REGISTER message with participantId and Supported Element Definition Types +- in AC-runtime ParticipantRegisterListener collects the message from Message Broker +- if participant is not present in DB, it saves participant reference with status ON_LINE to DB - It triggers the execution to send a PARTICIPANT_REGISTER_ACK message to the participant registered -- MessageIntercept intercepts that event, if PARTICIPANT_UPDATE message has been sent, it will be add a task to handle PARTICIPANT_REGISTER in SupervisionScanner -- SupervisionScanner starts the monitoring for participantUpdate Design of a PARTICIPANT_DEREGISTER message ------------------------------------------ -- A participant starts and send a PARTICIPANT_DEREGISTER message -- ParticipantDeregisterListener collects the message from DMaap -- if participant is not present in DB, do nothing -- if participant is present in DB, it triggers the execution to send a PARTICIPANT_UPDATE message to the participant registered (message of DePriming) -- the message is built by ParticipantUpdatePublisher using Tosca Service Template data as null -- ParticipantHandler removes the tosca definitions stored -- It triggers the execution to send a PARTICIPANT_DEREGISTER_ACK message to the participant registered +- A participant is going to close and undeploys all AC-elements and send a PARTICIPANT_DEREGISTER message +- in AC-runtime, ParticipantDeregisterListener collects the message from Message Broker +- if participant has AC-elements instance, it updates with UNDEPLOYED deployStatus +- It triggers the execution to send a PARTICIPANT_DEREGISTER_ACK message to the participant deregistered - Participant is not monitored. -Design of a creation of an Automation Composition Type ------------------------------------------------------- -- If there are participants registered with CL-runtime, it triggers the execution to send a broadcast PARTICIPANT_UPDATE message -- the message is built by ParticipantUpdatePublisher using Tosca Service Template data (to fill the list of ParticipantDefinition) -- Participant-intermediary will receive a PARTICIPANT_UDPATE message and stores the Tosca Service Template data on ParticipantHandler - -Design of a deletion of an Automation Composition Type ------------------------------------------------------- -- if there are participants registered, CL-runtime triggers the execution to send a broadcast PARTICIPANT_UPDATE message -- the message is built by ParticipantUpdatePublisher with an empty list of ParticipantDefinition -- It deletes the Automation Composition Type from DB -- Participant-intermediary will receive a PARTICIPANT_UDPATE message and deletes the Tosca Service Template data on ParticipantHandler - -Design of a creation of an Automation Composition -------------------------------------------------- -- AUTOMATION_COMPOSITION_UPDATE message with instantiation details and UNINITIALISED state is sent to participants -- Participant-intermediary validates the current state change -- Participant-intermediary will recieve AUTOMATION_COMPOSITION_UPDATE message and sends the details of AutomationCompositionElements to participants -- Each participant performs its designated job of deployment by interacting with respective frameworks +Prime of an Automation Composition Definition Type +-------------------------------------------------- +- AC-runtime assigns the AC Definition to the participants based of Supported Element Definition Type by participant +- it triggers the execution to send a broadcast PARTICIPANT_PRIME message +- the message is built by ParticipantPrimePublisher using Tosca Service Template data (to fill the list of ParticipantDefinition) +- Participant-intermediary will receive a PARTICIPANT_PRIME message and stores the Tosca Service Template data on ParticipantHandler -Design of a deletion of an Automation Composition -------------------------------------------------- -- AUTOMATION_COMPOSITION_STATE_CHANGE message with UNINITIALISED state is sent to participants -- Participant-intermediary validates the current state change -- Participant-intermediary will recieve AUTOMATION_COMPOSITION_STATE_CHANGE message and sends the details of AutomationCompositionElements to participants -- Each participant performs its designated job of undeployment by interacting with respective frameworks +DePrime of an Automation Composition Definition Type +---------------------------------------------------- +- AC-runtime triggers the execution to send a broadcast PARTICIPANT_PRIME message +- the message is built by ParticipantPrimePublisher with an empty list of ParticipantDefinition +- Participant-intermediary will receive a PARTICIPANT_PRIME message and deletes the Tosca Service Template data on ParticipantHandler -Design of "issues automation composition commands to automation compositions" - case UNINITIALISED to PASSIVE -------------------------------------------------------------------------------------------------------------- -- AUTOMATION_COMPOSITION_STATE_CHANGE message with state changed from UNINITIALISED to PASSIVE is sent to participants -- Participant-intermediary validates the current state change -- Participant-intermediary will recieve AUTOMATION_COMPOSITION_STATE_CHANGE message and sends the details of state change to participants -- Each participant performs its designated job of state change by interacting with respective frameworks - -Design of "issues automation composition commands to automation compositions" - case PASSIVE to UNINITIALISED -------------------------------------------------------------------------------------------------------------- -- AUTOMATION_COMPOSITION_STATE_CHANGE message with state changed from PASSIVE to UNINITIALISED is sent to participants -- Participant-intermediary validates the current state change -- Participant-intermediary will recieve AUTOMATION_COMPOSITION_STATE_CHANGE message and sends the details of state change to participants -- Each participant performs its designated job of state change by interacting with respective frameworks - -Design of "issues automation composition commands to automation compositions" - case PASSIVE to RUNNING +Design of "issues automation composition commands to automation compositions" - case UNDEPLOY to DEPLOY ------------------------------------------------------------------------------------------------------- -- AUTOMATION_COMPOSITION_STATE_CHANGE message with state changed from PASSIVE to RUNNING is sent to participants -- Participant-intermediary validates the current state change -- Participant-intermediary will recieve AUTOMATION_COMPOSITION_STATE_CHANGE message and sends the details of state change to participants -- Each participant performs its designated job of state change by interacting with respective frameworks +- AUTOMATION_COMPOSITION_DEPLOY message with instantiation details and DEPLOY order state is sent to participants +- Participant-intermediary validates the current deployState change +- Participant-intermediary will receive AUTOMATION_COMPOSITION_DEPLOY message and sends the details of AutomationCompositionElements to participants +- Each participant performs its designated job of deployment by interacting with respective frameworks -Design of "issues automation composition commands to automation compositions" - case RUNNING to PASSIVE +Design of "issues automation composition commands to automation compositions" - case DEPLOY to UNDEPLOY ------------------------------------------------------------------------------------------------------- -- AUTOMATION_COMPOSITION_STATE_CHANGE message with state changed from RUNNING to PASSIVE is sent to participants -- Participant-intermediary validates the current state change -- Participant-intermediary will recieve AUTOMATION_COMPOSITION_STATE_CHANGE message and sends the details of state change to participants -- Each participant performs its designated job of state change by interacting with respective frameworks +- AUTOMATION_COMPOSITION_STATE_CHANGE message with instantiation details and UNDEPLOY order state is sent to participants +- Participant-intermediary validates the current deployState change +- Participant-intermediary will receive AUTOMATION_COMPOSITION_STATE_CHANGE message and sends AC-element details to participants +- Each participant performs its designated job of undeployment by interacting with respective frameworks + +Design of "issues automation composition commands to automation compositions" - case LOCK to UNLOCK +--------------------------------------------------------------------------------------------------- +- AUTOMATION_COMPOSITION_STATE_CHANGE message with instantiation details and UNLOCK order state is sent to participants +- Participant-intermediary validates the current lockState change +- Participant-intermediary will receive AUTOMATION_COMPOSITION_STATE_CHANGE message + +Design of "issues automation composition commands to automation compositions" - case UNLOCK to LOCK +--------------------------------------------------------------------------------------------------- +- AUTOMATION_COMPOSITION_STATE_CHANGE message with instantiation details and LOCK order state is sent to participants +- Participant-intermediary validates the current lockState change + +Design of a PARTICIPANT_STATUS_REQ message +------------------------------------------ +- AC-runtime triggers the execution to send a broadcast PARTICIPANT_STATUS_REQ message or to send it to a specific participant +- the message is built by ParticipantStatusReqPublisher +- Participant-intermediary will receive a PARTICIPANT_STATUS_REQ message Design of a PARTICIPANT_STATUS message -------------------------------------- -- A participant sends a scheduled PARTICIPANT_STATUS message +- A participant sends a scheduled PARTICIPANT_STATUS message or in response to a PARTICIPANT_STATUS_REQ message - This message will hold the state and healthStatus of all the participants running actively - PARTICIPANT_STATUS message holds a special attribute to return Tosca definitions, this attribute is populated only in response to PARTICIPANT_STATUS_REQ -Design of a AUTOMATIONCOMPOSITION_UPDATE_ACK message ----------------------------------------------------- -- A participant sends AUTOMATIONCOMPOSITION_UPDATE_ACK message in response to a AUTOMATIONCOMPOSITION_UPDATE message. -- For each CL-elements moved to the ordered state as indicated by the AUTOMATIONCOMPOSITION_UPDATE -- AutomationCompositionUpdateAckListener in CL-runtime collects the messages from DMaap -- It checks the status of all automation composition elements and checks if the automation composition is primed -- It updates the clamp-acm in DB accordingly - -Design of a AUTOMATIONCOMPOSITION_STATECHANGE_ACK is similar to the design for AUTOMATIONCOMPOSITION_UPDATE_ACK +Design of a AUTOMATION_COMPOSITION_DEPLOY_ACK message +----------------------------------------------------- +- A participant sends AUTOMATION_COMPOSITION_DEPLOY_ACK message in response to a AUTOMATION_COMPOSITION_DEPLOY message. +- For each AC-elements moved to the ordered state as indicated by the AUTOMATION_COMPOSITION_DEPLOY +- AutomationCompositionUpdateAckListener in AC-runtime collects the messages from Message Broker +- It checks the deployStatus of all automation composition elements +- It updates the AC-instance in DB accordingly + +Design of a AUTOMATIONCOMPOSITION_STATECHANGE_ACK message +--------------------------------------------------------- +- A participant sends AUTOMATIONCOMPOSITION_STATECHANGE_ACK message in response to a AUTOMATIONCOMPOSITION_STATECHANGE message. +- For each AC-elements moved to the ordered state as indicated by the AUTOMATIONCOMPOSITION_STATECHANGE +- AutomationCompositionStateChangeAckListener in AC-runtime collects the messages from Message Broker +- It checks the deployStatus/lockStatus of all automation composition elements +- It updates the AC-instance in DB accordingly |