rfc

[can-gaa-hou]

L1

%%{init: {"theme": "base"}}%%
sequenceDiagram
    participant U as UpStream Repo
    participant G as GitHub App
    participant W as webhook_handler
    participant R as Redis
    participant D as DownStream Repo

    U->>G: PR/Push event trigger
    W<<->>G: Verify Signature
    W->>G: Require Allowlist
    W->>R: Cache Allowlist
    W->>G: Require DownStream Repos installation ID
    G->>W: Return installation ID
    W->>D: Passthrough payload to DownStream Repos

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L2

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sequenceDiagram
    participant U as UpStream Repo
    participant G as GitHub App
    participant W as webhook_handler
    participant R as Redis
    participant D as DownStream Repo
    box rgba(187,247,208,0.5)
    participant RH as result_handler
    participant H as HUD
    end

    U->>G: PR/Push event trigger
    W<<->>G: Verify Signature
    W->>G: Require Allowlist
    W->>R: Cache Allowlist
    W->>G: Require DownStream Repos installation ID
    G->>W: Return installation ID
    W->>D: Passthrough payload to DownStream Repos
    D->>RH: In progress action call
    RH<<->>D: Verify payload with OIDC
    RH->>R: Check allowlist in redis
    R->>G: Fetch allowlist from GitHub if not in redis
    RH->>H: Show in progress action on HUD
    D->>RH: Completed action call
    RH->>H: Show completed action on HUD

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L3 & L4

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sequenceDiagram
    participant U as UpStream Repo
    participant G as GitHub App
    participant W as webhook_handler
    participant R as Redis
    participant D as DownStream Repo
    box rgba(187,247,208,0.5)
    participant RH as result_handler
    participant H as HUD
    end

    U->>G: PR/Push event trigger
    W<<->>G: Verify Signature
    W->>G: Require Allowlist
    W->>R: Cache Allowlist
    opt Scenario 1
        U->>G: PR label add / L4
        G->>W:
        W->>R: Cache PR info for check run
    end
    W->>G: Require DownStream Repos installation ID
    G->>W: Return installation ID
    W->>D: Passthrough payload to DownStream Repos
    D->>RH: In progress action call
    D<<->>RH: Verify payload with OIDC
    RH->>R: Check allowlist in redis
    R->>G: Fetch allowlist from GitHub if not in redis
    RH->>R: Cache action info
    RH->>H: Show in progress action on HUD
    opt Scenario 2
        U->>G: PR label add
        G->>W:
        W->>R: Find action info
        W->>U: Create PR in_progress check run
    end
    opt Scenario 1
        RH->>R: Find PR info record
        RH->U: Create PR in_progress check run
    end
    D->>RH: Completed action call
    RH->>H: Show completed action on HUD
    opt Scenario 1 & 2
        RH->>U: Update PR completed check run
    end
    opt Scenario 3
        U->>G: PR label add
        G->>W:
        W->>R: Find action info
        W->>U: Create PR completed check run
    end

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