Platform Operations – Event Map — Architecture Catalog

7

Domain Events

8

Software Subsystems

7

Publish Links

15

Consume Links

Event Flow Diagram

Events Summary

Event	Status	Format	Publishers	Consumers
Capacity Limit Approaching Emitted when infrastructure capacity utilisation exceeds a warning threshold, giving platform operators time to provision additional resources before hard limits are hit.	active	CloudEvents	Prometheus Metrics	Tenant Admin PortalAnalytics Pipeline
Config Change Applied Emitted when a runtime configuration value is updated and successfully propagated to all running service instances without a redeployment.	active	CloudEvents	Config API	Audit Ingest APIPrometheus Metrics
Deployment Completed Emitted when a service deployment reaches a terminal state (promoted to production or rolled back), carrying service name, version, and outcome.	active	CloudEvents	ArgoCD Controller	Prometheus MetricsAudit Ingest API
Feature Flag Toggled Emitted when a feature flag is enabled or disabled in production, either for all tenants or a specific segment, recording who made the change and when.	active	CloudEvents	Flag Admin API	Audit Ingest APIAnalytics Pipeline
Incident Declared Emitted when a platform incident is formally declared by an on-call engineer or auto-triggered by multiple correlated SLO breach alerts, opening the incident management workflow.	active	CloudEvents	Prometheus Metrics	Tenant Admin PortalAudit Ingest APIWorkflow Engine
Rollback Triggered Emitted when an automated or manual rollback is initiated for a service deployment due to health check failures or SLO degradation after a release.	active	CloudEvents	ArgoCD Controller	Prometheus MetricsAudit Ingest API
SLO Breach Detected Emitted when a service's error budget burns faster than the configured threshold, indicating an SLO is at risk of being breached within the alerting window.	active	CloudEvents	Prometheus Metrics	Tenant Admin PortalAnalytics Pipeline