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create consumer group #49

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Merged
Ciniesta merged 1 commit into from
Jun 30, 2026
Merged

create consumer group #49

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17 changes: 14 additions & 3 deletions hyperforge/src/hyperforge/broker/redis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,9 +56,8 @@ async def publish_activation(
maxlen=100,
)

async def subscribe_activations(
self,
) -> AsyncIterator[tuple[StartInteraction, dict[str, str]]]:
async def _ensure_consumer_group(self) -> None:
"""Create the stream and consumer group if they don't exist."""
try:
await self._client.xgroup_create(
name=self._activate_subject,
Expand All @@ -69,6 +68,11 @@ async def subscribe_activations(
if "BUSYGROUP" not in str(e):
raise

async def subscribe_activations(
self,
) -> AsyncIterator[tuple[StartInteraction, dict[str, str]]]:
await self._ensure_consumer_group()

while True:
try:
response = await self._client.xreadgroup(
Expand All @@ -90,6 +94,13 @@ async def subscribe_activations(
except (asyncio.CancelledError, KeyboardInterrupt):
logger.info("Activation subscription cancelled, exiting...")
break
except ResponseError as e:
if "NOGROUP" in str(e):
logger.warning("Consumer group lost, re-creating...")
await self._ensure_consumer_group()
else:
logger.exception("Error while subscribing to activations, retrying...")
await asyncio.sleep(1)
except Exception:
logger.exception("Error while subscribing to activations, retrying...")
await asyncio.sleep(1)
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