topology_drift.py¶

Generated: 2026-03-30T04:38:46.262319+00:00

Commit: 615f1354a103

Language: python

Scope: dazzle_back

Purpose¶

Topology Drift Detection for Event-First Architecture.

Detects and reports differences between the expected event topology (defined in AppSpec) and the actual runtime state (topics, consumers, partitions in the event bus).

Drift Types: - MISSING_TOPIC: Topic defined in AppSpec but not in bus - EXT...

Key Exports¶

DriftType
DriftSeverity
DriftIssue
TopologyFingerprint
ExpectedTopic
ExpectedConsumer
ExpectedTopology
TopologyExtractor
TopologyDriftDetector
DriftReport
check_topology_drift
to_dict
to_dict
from_dict
extract
detect
get_current_fingerprint
to_dict

Dependencies¶

Imports¶

__future__.annotations
hashlib
json
logging
dataclasses.dataclass
dataclasses.field
datetime.UTC
datetime.datetime
enum.StrEnum
typing.TYPE_CHECKING
typing.Any
dazzle.core.ir.AppSpec
dazzle_back.events.bus.EventBus

Event Interactions¶

None detected.

Invariants and Assumptions¶

No invariants documented.

Tests¶

tests/unit/test_events.py
tests/unit/test_events_api.py

Notes¶

This page was automatically generated by tools/gen_reference_docs.py.