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feat(project): Add experimenter integration sequence diagrams.
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| # Nimbus Integration | ||
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| This file contains a set of sequence diagrams to describe the integration of Klaatu into the Nimbus project. | ||
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| ## State Diagram | ||
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| These are the available states and flows that Klaatu can execute. The system follows a structured lifecycle, transitioning between states as experiments are scheduled for testing, testing execution, test result evaluation and test reports are finalized. It starts in an Idle state, waiting for an available experiment or for an experiment to have testing requested on it. Once an experiment is requested, it moves into the Running state, where tests are actively executed. Upon completion, results are processed in the Evaluating state, determining success, failure, or retry conditions. Finally, once results are stored and available in the Experimenter UI, the system transitions back to Idle, ready for the next experiment. | ||
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| ```mermaid | ||
| stateDiagram-v2 | ||
| direction LR | ||
| [*] --> Idle | ||
| Idle --> Running: Experiment Ready for Test | ||
| Running --> Completed : Job Executes | ||
| Completed --> Running: Job Retries | ||
| Completed --> Evaluate : Send Results | ||
| Evaluate --> [*] : Owner Receives Report | ||
| Evaluate --> Idle | ||
| ``` | ||
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| ## Triggered Run | ||
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| The Experiment Owner requests a test run. Experimenter gathers the required information and triggers the GitHub Actions Test Runner to execute the tests. The test results are pushed to Experimenter where they are processed and then provided to the UI. Experimenter also sends a notification to the Experiment Owner of the test results. | ||
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| ```mermaid | ||
| sequenceDiagram | ||
| participant GitHub Actions Test Runner | ||
| participant Experimenter Backend | ||
| participant Experimenter Worker | ||
| participant Experimenter UI | ||
| participant Notification System | ||
| participant Experiment Owner | ||
| Note left of Experiment Owner: State: IDLE | ||
| Experiment Owner ->> Experimenter Backend: Experiment Owner Requests a Test Run | ||
| Experimenter Backend ->> GitHub Actions Test Runner: Provide Experiment Details | ||
| Note right of GitHub Actions Test Runner: State: RUNNING | ||
| GitHub Actions Test Runner ->> Experimenter Backend: Report Test Results | ||
| Note right of GitHub Actions Test Runner: State: COMPLETED | ||
| Experimenter Backend ->> Experimenter Worker: Process Results | ||
| Note right of Experimenter Backend: State: EVALUATE | ||
| Experimenter Backend ->> Notification System: Send Notification | ||
| Notification System ->> Experiment Owner: Notify Test Completion | ||
| Experimenter Backend ->> Experimenter UI: Store Report & Update UI | ||
| Experimenter UI ->> Experiment Owner: Show Test Results & Report | ||
| Note right of Experimenter UI: State: IDLE | ||
| ``` | ||
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| ## Github Scheduler (Trigger/Test/Report) | ||
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| The GitHub Actions Scheduler queries the experimenter API and finds experiments to test. It then triggers the GitHub Actions Test Runner to execute the tests. The test results are pushed to Experimenter where they are processed and then provided to the UI. Experimenter also sends a notification to the Experiment Owner of the test results. | ||
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| ```mermaid | ||
| sequenceDiagram | ||
| participant GitHub Actions Test Runner | ||
| participant GitHub Actions Scheduler | ||
| participant Experimenter Backend | ||
| participant Experimenter Worker | ||
| participant Experimenter UI | ||
| participant Notification System | ||
| participant Experiment Owner | ||
| Note right of GitHub Actions Scheduler: State: IDLE | ||
| GitHub Actions Scheduler ->> Experimenter Backend: Check for Available Experiments | ||
| Experimenter Backend ->> GitHub Actions Scheduler: Provide Experiment Details | ||
| GitHub Actions Scheduler ->> GitHub Actions Test Runner: Start Test Execution | ||
| Note right of GitHub Actions Test Runner: State: RUNNING | ||
| GitHub Actions Test Runner ->> Experimenter Backend: Report Test Results | ||
| Note right of GitHub Actions Test Runner: State: COMPLETED | ||
| Experimenter Backend ->> Experimenter Worker: Process Results | ||
| Note right of Experimenter Backend: State: EVALUATE | ||
| Experimenter Backend ->> Notification System: Send Notification | ||
| Notification System ->> Experiment Owner: Notify Test Completion | ||
| Experimenter Backend ->> Experimenter UI: Store Report & Update UI | ||
| Experimenter UI ->> Experiment Owner: Show Test Results & Report | ||
| Note right of Experimenter UI: State: IDLE | ||
| ``` | ||
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| ## Github Scheduler No Available Experiments (Trigger/Query) | ||
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| The GitHub Actions Scheduler queries the experimenter API and finds experiments to test. There are no available experiments to test. | ||
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| ```mermaid | ||
| sequenceDiagram | ||
| participant GitHub Actions Test Runner | ||
| participant GitHub Actions Scheduler | ||
| participant Experimenter Backend | ||
| participant Experimenter Worker | ||
| participant Experimenter UI | ||
| participant Notification System | ||
| participant Experiment Owner | ||
| Note right of GitHub Actions Scheduler: State: IDLE | ||
| GitHub Actions Scheduler ->> Experimenter Backend: Check for Available Experiments | ||
| Note right of GitHub Actions Scheduler: State: RUNNING | ||
| Note over Experimenter Backend: No Available Experiments | ||
| Note right of GitHub Actions Scheduler: State: IDLE | ||
| ``` | ||
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| ## Timeout and No Retry (Trigger/Test/No Retry/Report) | ||
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| The GitHub Actions Test Runner is triggered to run the tests. The test runner encounters an error and is NOT able to retry the job. The test is marked as a failure and the results are pushed to Experimenter where they are processed and then provided to the UI. Experimenter also sends a notification to the Experiment Owner of the test results. | ||
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| ```mermaid | ||
| sequenceDiagram | ||
| participant GitHub Actions Test Runner | ||
| participant GitHub Actions Scheduler | ||
| participant Experimenter Backend | ||
| participant Experimenter Worker | ||
| participant Experimenter UI | ||
| participant Notification System | ||
| participant Experiment Owner | ||
| alt Automated Run | ||
| Note right of GitHub Actions Scheduler: State: IDLE | ||
| GitHub Actions Scheduler ->> Experimenter Backend: Check for Available Experiments | ||
| else Manual Run | ||
| Note left of Experiment Owner: State: IDLE | ||
| Experiment Owner ->> Experimenter Backend: Experiment Owner Requests a Test Run | ||
| end | ||
| Experimenter Backend ->> GitHub Actions Scheduler: Provide Experiment Details | ||
| GitHub Actions Scheduler ->> GitHub Actions Test Runner: Start Test Execution | ||
| Note right of GitHub Actions Test Runner: State: RUNNING | ||
| Experimenter Backend ->> GitHub Actions Test Runner: Detect Timeout | ||
| GitHub Actions Test Runner ->> Experimenter Backend: Report Timeout & Request Retry | ||
| Note right of GitHub Actions Test Runner: State: COMPLETED | ||
| Note over Experimenter Backend: No Retries | ||
| Experimenter Backend ->> Experimenter Worker: Mark Test as Failed | ||
| Note right of Experimenter Backend: State: EVALUATE | ||
| Experimenter Backend ->> Notification System: Send Failure Notification | ||
| Notification System ->> Experiment Owner: Notify Test Failure | ||
| Note right of Notification System: State: IDLE | ||
| ``` | ||
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| ## Timeout and Retry (Trigger/Test/Timeout/Retry/Report) | ||
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| The GitHub Actions Test Runner is triggered to run the tests. The test runner encounters a timeout and is able to retry the job. The test results are pushed to Experimenter where they are processed and then provided to the UI. Experimenter also sends a notification to the Experiment Owner of the test results. | ||
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| ```mermaid | ||
| sequenceDiagram | ||
| participant GitHub Actions Test Runner | ||
| participant GitHub Actions Scheduler | ||
| participant Experimenter Backend | ||
| participant Experimenter Worker | ||
| participant Experimenter UI | ||
| participant Notification System | ||
| participant Experiment Owner | ||
| alt Automated Run | ||
| Note right of GitHub Actions Scheduler: State: IDLE | ||
| GitHub Actions Scheduler ->> Experimenter Backend: Check for Available Experiments | ||
| else Manual Run | ||
| Note left of Experiment Owner: State: IDLE | ||
| Experiment Owner ->> Experimenter Backend: Experiment Owner Requests a Test Run | ||
| end | ||
| Experimenter Backend ->> GitHub Actions Scheduler: Provide Experiment Details | ||
| GitHub Actions Scheduler ->> GitHub Actions Test Runner: Start Test Execution | ||
| Note right of GitHub Actions Test Runner: State: RUNNING | ||
| Note over GitHub Actions Test Runner: Timeout | ||
| GitHub Actions Test Runner ->> Experimenter Backend: Report Timeout & Request Retry | ||
| Note over Experimenter Backend: Check Retry Count | ||
| Experimenter Backend ->> GitHub Actions Test Runner: Re-trigger Test Execution | ||
| GitHub Actions Test Runner ->> Experimenter Backend: Report Test Results | ||
| Note right of GitHub Actions Test Runner: State: COMPLETED | ||
| Experimenter Backend ->> Experimenter Worker: Process Results | ||
| Note right of Experimenter Backend: State: EVALUATE | ||
| Experimenter Backend ->> Notification System: Send Notification | ||
| Notification System ->> Experiment Owner: Notify Test Completion | ||
| Experimenter Backend ->> Experimenter UI: Store Report & Update UI | ||
| Experimenter UI ->> Experiment Owner: Show Test Results & Report | ||
| Note right of Experimenter UI: State: IDLE | ||
| ``` | ||
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| ## Cancelled (Trigger/Cancelled) | ||
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| The GitHub Actions Test Runner is triggered to run the tests. The job is cancelled by the Experiment Owner while it is being executed. The GitHub Actions Test Runner halts execution and reports a cancellation. The results are pushed to Experimenter where they are processed and then provided to the UI. Experimenter also sends a notification to the Experiment Owner of the test results. | ||
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| ```mermaid | ||
| sequenceDiagram | ||
| participant GitHub Actions Test Runner | ||
| participant GitHub Actions Scheduler | ||
| participant Experimenter Backend | ||
| participant Experimenter UI | ||
| participant Notification System | ||
| participant Experiment Owner | ||
| alt Automated Run | ||
| Note right of GitHub Actions Scheduler: State: IDLE | ||
| GitHub Actions Scheduler ->> Experimenter Backend: Check for Available Experiments | ||
| else Manual Run | ||
| Note left of Experiment Owner: State: IDLE | ||
| Experiment Owner ->> Experimenter Backend: Experiment Owner Requests a Test Run | ||
| end | ||
| Experimenter Backend ->> GitHub Actions Test Runner: Start Test Execution | ||
| Note right of GitHub Actions Test Runner: State: RUNNING | ||
| alt Manually Canceled | ||
| Experiment Owner ->> GitHub Actions Test Runner: Cancel Running Test Job | ||
| else Infrastructure Failure | ||
| Note right of GitHub Actions Test Runner: Infrastructure Failure | ||
| end | ||
| GitHub Actions Test Runner ->> Experimenter Backend: Report Job Cancellation | ||
| Note right of GitHub Actions Test Runner: State: COMPLETED | ||
| Experimenter Backend ->> Experimenter UI: Process Results | ||
| Note right of Experimenter Backend: State: EVALUATE | ||
| Experimenter Backend ->> Notification System: Notify Experiment Owner | ||
| Notification System ->> Experiment Owner: Test Canceled Notification | ||
| Experimenter Backend ->> Experimenter UI: Store Report & Update UI | ||
| Experimenter UI ->> Experiment Owner: Show Test Results & Report | ||
| Note right of Experimenter UI: State: IDLE | ||
| ``` | ||
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| ## Experimenter results processing error | ||
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| The test results are pushed to Experimenter where they are processed. If they are processed successfully the results are pushed to the UI. If there is an error, the Experimenter Worker tries again. If the retry fails as well the test is marked as an Infrastructure fail and provided to the UI. Experimenter also sends a notification to the Experiment Owner. | ||
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| ```mermaid | ||
| sequenceDiagram | ||
| participant GitHub Actions Test Runner | ||
| participant Experimenter Backend | ||
| participant Experimenter Worker | ||
| participant Notification System | ||
| Note right of GitHub Actions Test Runner: State: COMPLETED | ||
| GitHub Actions Test Runner ->> Experimenter Backend: Report Test Results | ||
| Experimenter Backend ->> Experimenter Worker: Process Results | ||
| Note right of Experimenter Backend: State: EVALUATE | ||
| alt Worker Fails | ||
| Experimenter Worker ->> Experimenter Backend: Error Processing Results | ||
| Experimenter Backend ->> Experimenter Worker: Retry Processing | ||
| alt Retry Succeeds | ||
| Experimenter Backend ->> Notification System: Send Notification | ||
| Experimenter Backend ->> Experimenter UI: Store Report & Update UI | ||
| Experimenter UI ->> Experiment Owner: Show Test Results & Report | ||
| Note right of Experimenter UI: State: IDLE | ||
| else Retry Fails | ||
| Experimenter Backend ->> Notification System: Send Failure Notification | ||
| Note over Notification System: Infrastructure fail | ||
| Notification System ->> Experiment Owner: Notify Backend Failure | ||
| Note right of Notification System: State: IDLE | ||
| end | ||
| end | ||
| ``` |