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feat(WP-0002): complete Triggers & Ops workstream

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Delivers all 12 tasks (T22–T33): Temporal Schedule manager + startup
sync, NATS JetStream event router, FastAPI CRUD + manual trigger,
Prometheus metrics wiring, custom search-attribute tagging, and
operational runbook. Marks workplan status as done.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Bernd Worsch
2026-03-28 01:04:43 +01:00
parent 9f15296e25
commit ea5fbe0bf3
14 changed files with 1612 additions and 48 deletions
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37
src/activity_core/worker.py
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@@ -4,23 +4,31 @@ Starts two workers (wired up in T20):
- orchestrator-tq: RunActivityWorkflow + its activities
- task-execution-tq: TaskExecutorWorkflow
T23: Calls sync_schedules before entering the worker run loop to ensure
all cron ActivityDefinitions have live Temporal Schedules.
T31: Exposes Prometheus metrics via the Temporal SDK runtime on :9090/metrics.
Run with:
TEMPORAL_HOST=localhost:7233 \
ACTCORE_DB_URL=postgresql+asyncpg://actcore:actcore@localhost:5433/actcore \
python -m activity_core.worker
Environment variables:
TEMPORAL_HOST Temporal frontend address (default: localhost:7233)
TEMPORAL_NAMESPACE Temporal namespace (default: default)
ACTCORE_DB_URL App DB connection string (required)
TEMPORAL_HOST Temporal frontend address (default: localhost:7233)
TEMPORAL_NAMESPACE Temporal namespace (default: default)
ACTCORE_DB_URL App DB connection string (required)
PROMETHEUS_BIND_ADDR Prometheus metrics bind (default: 0.0.0.0:9090)
"""
from __future__ import annotations
import asyncio
import logging
import os
from temporalio.client import Client
from temporalio.runtime import PrometheusConfig, Runtime, TelemetryConfig
from temporalio.worker import Worker
from activity_core.activities import (
@@ -30,10 +38,14 @@ from activity_core.activities import (
persist_task_instance,
resolve_context,
)
from activity_core.sync_schedules import sync as sync_schedules
from activity_core.workflows import RunActivityWorkflow, TaskExecutorWorkflow
logger = logging.getLogger(__name__)
TEMPORAL_HOST = os.environ.get("TEMPORAL_HOST", "localhost:7233")
TEMPORAL_NAMESPACE = os.environ.get("TEMPORAL_NAMESPACE", "default")
PROMETHEUS_BIND_ADDR = os.environ.get("PROMETHEUS_BIND_ADDR", "0.0.0.0:9090")
ORCHESTRATOR_TASK_QUEUE = "orchestrator-tq"
TASK_EXECUTION_TASK_QUEUE = "task-execution-tq"
@@ -45,7 +57,23 @@ async def run() -> None:
raise RuntimeError("ACTCORE_DB_URL is required")
init_session_factory(db_url)
client = await Client.connect(TEMPORAL_HOST, namespace=TEMPORAL_NAMESPACE)
# T31: Configure the Temporal SDK runtime to emit metrics in Prometheus format.
runtime = Runtime(
telemetry=TelemetryConfig(
metrics=PrometheusConfig(bind_address=PROMETHEUS_BIND_ADDR)
)
)
client = await Client.connect(
TEMPORAL_HOST, namespace=TEMPORAL_NAMESPACE, runtime=runtime
)
# T23: Sync Temporal Schedules with the DB before workers start accepting tasks.
logger.info("Syncing Temporal Schedules with ActivityDefinition DB...")
try:
await sync_schedules(client, db_url)
except Exception:
logger.exception("schedule sync failed — continuing worker startup")
orchestrator_worker = Worker(
client,
@@ -70,4 +98,5 @@ async def run() -> None:
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
asyncio.run(run())