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docs: update 2phase reconcile deletion diagram #78

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Oct 29, 2025
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docs: update 2phase reconcile deletion diagram #78

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6 changes: 5 additions & 1 deletion fleetconfig-controller/docs/2-phase-spoke-reconcile.md
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Original file line number Diff line number Diff line change
Expand Up @@ -163,10 +163,14 @@ sequenceDiagram
HubController->>HubK8s: Set phase to "Deleting"

Note over HubK8s, HubController: Hub Pre-Flight Cleanup Phase
alt ForceClusterDrain is set
HubController->>HubK8s: Set `workload-cleanup` taint on ManagedCluster
end
HubController->>HubK8s: Check for active, non-addon ManifestWorks
alt Active ManifestWorks
HubController->>HubController: Requeue with error
end
HubController->>HubK8s: Set `terminating` taint on ManagedCluster
HubController->>HubK8s: Disable addons (except fleetconfig-controller-agent)
HubController->>HubK8s: Remove HubCleanupPreflightFinalizer

Expand All @@ -177,7 +181,6 @@ sequenceDiagram
end
SpokeController->>SpokeK8s: Remove Klusterlet and OCM namespaces (clusteradm unjoin)
SpokeController->>HubK8s: Remove SpokeCleanupFinalizer
SpokeController->>SpokeK8s: Remove AppliedManifestWork (which removes FCC-agent)

Note over HubK8s, HubController: Final Hub Cleanup
HubController->>HubK8s: SpokeCleanupFinalizer removed?
Expand All @@ -188,6 +191,7 @@ sequenceDiagram
HubController->>HubK8s: Remove HubCleanupFinalizer

HubK8s->>User: Spoke resource deleted
SpokeController->>SpokeK8s: Remove AppliedManifestWork (which removes FCC-agent)

Note over HubK8s, HubController: Special Cases
Note right of HubK8s: Hub-as-spoke: Hub does both hub and spoke cleanup
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