fix: ruff formatting and allow-direct-references for handler-base dep
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@@ -8,6 +8,7 @@ Bridges NATS events to workflow engines using handler-base:
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3. Monitor execution and publish status updates
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4. Publish completion to "ai.pipeline.status.{request_id}"
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"""
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import logging
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from typing import Any, Optional
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from datetime import datetime
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@@ -23,12 +24,12 @@ logger = logging.getLogger("pipeline-bridge")
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class PipelineSettings(Settings):
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"""Pipeline bridge specific settings."""
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service_name: str = "pipeline-bridge"
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# Kubeflow Pipelines
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kubeflow_host: str = "http://ml-pipeline.kubeflow.svc.cluster.local:8888"
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# Argo Workflows
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argo_host: str = "http://argo-server.argo.svc.cluster.local:2746"
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argo_namespace: str = "ai-ml"
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@@ -67,14 +68,14 @@ PIPELINES = {
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class PipelineBridge(Handler):
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"""
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Pipeline trigger handler.
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Request format:
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{
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"request_id": "uuid",
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"pipeline": "document-ingestion",
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"parameters": {"key": "value"}
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}
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Response format:
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{
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"request_id": "uuid",
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@@ -83,7 +84,7 @@ class PipelineBridge(Handler):
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"engine": "argo|kubeflow"
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}
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"""
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def __init__(self):
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self.pipeline_settings = PipelineSettings()
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super().__init__(
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@@ -91,36 +92,36 @@ class PipelineBridge(Handler):
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settings=self.pipeline_settings,
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queue_group="pipeline-bridges",
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)
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self._http: Optional[httpx.AsyncClient] = None
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async def setup(self) -> None:
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"""Initialize HTTP client."""
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logger.info("Initializing pipeline bridge...")
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self._http = httpx.AsyncClient(timeout=60.0)
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logger.info(f"Pipeline bridge ready. Available pipelines: {list(PIPELINES.keys())}")
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async def teardown(self) -> None:
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"""Clean up HTTP client."""
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if self._http:
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await self._http.aclose()
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logger.info("Pipeline bridge closed")
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async def handle_message(self, msg: Msg, data: Any) -> Optional[dict]:
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"""Handle pipeline trigger request."""
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request_id = data.get("request_id", "unknown")
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pipeline_name = data.get("pipeline", "")
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parameters = data.get("parameters", {})
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logger.info(f"Triggering pipeline '{pipeline_name}' for request {request_id}")
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with create_span("pipeline.trigger") as span:
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if span:
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span.set_attribute("request.id", request_id)
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span.set_attribute("pipeline.name", pipeline_name)
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# Validate pipeline
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if pipeline_name not in PIPELINES:
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error = f"Unknown pipeline: {pipeline_name}"
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@@ -131,20 +132,18 @@ class PipelineBridge(Handler):
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"error": error,
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"available_pipelines": list(PIPELINES.keys()),
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}
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pipeline = PIPELINES[pipeline_name]
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engine = pipeline["engine"]
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try:
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if engine == "argo":
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run_id = await self._submit_argo(
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pipeline["template"], parameters, request_id
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)
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run_id = await self._submit_argo(pipeline["template"], parameters, request_id)
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else:
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run_id = await self._submit_kubeflow(
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pipeline["pipeline_id"], parameters, request_id
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)
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result = {
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"request_id": request_id,
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"status": "submitted",
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@@ -153,15 +152,13 @@ class PipelineBridge(Handler):
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"pipeline": pipeline_name,
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"submitted_at": datetime.utcnow().isoformat(),
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}
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# Publish status update
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await self.nats.publish(
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f"ai.pipeline.status.{request_id}", result
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)
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await self.nats.publish(f"ai.pipeline.status.{request_id}", result)
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logger.info(f"Pipeline {pipeline_name} submitted: {run_id}")
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return result
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except Exception as e:
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logger.exception(f"Failed to submit pipeline {pipeline_name}")
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return {
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@@ -169,15 +166,13 @@ class PipelineBridge(Handler):
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"status": "error",
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"error": str(e),
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}
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async def _submit_argo(
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self, template: str, parameters: dict, request_id: str
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) -> str:
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async def _submit_argo(self, template: str, parameters: dict, request_id: str) -> str:
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"""Submit workflow to Argo Workflows."""
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with create_span("pipeline.submit.argo") as span:
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if span:
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span.set_attribute("argo.template", template)
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workflow = {
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"apiVersion": "argoproj.io/v1alpha1",
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"kind": "Workflow",
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@@ -191,48 +186,40 @@ class PipelineBridge(Handler):
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"spec": {
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"workflowTemplateRef": {"name": template},
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"arguments": {
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"parameters": [
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{"name": k, "value": str(v)}
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for k, v in parameters.items()
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]
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"parameters": [{"name": k, "value": str(v)} for k, v in parameters.items()]
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},
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},
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}
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response = await self._http.post(
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f"{self.pipeline_settings.argo_host}/api/v1/workflows/{self.pipeline_settings.argo_namespace}",
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json={"workflow": workflow},
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)
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response.raise_for_status()
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result = response.json()
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return result["metadata"]["name"]
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async def _submit_kubeflow(
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self, pipeline_id: str, parameters: dict, request_id: str
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) -> str:
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async def _submit_kubeflow(self, pipeline_id: str, parameters: dict, request_id: str) -> str:
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"""Submit run to Kubeflow Pipelines."""
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with create_span("pipeline.submit.kubeflow") as span:
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if span:
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span.set_attribute("kubeflow.pipeline_id", pipeline_id)
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run_request = {
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"name": f"{pipeline_id}-{request_id[:8]}",
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"pipeline_spec": {
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"pipeline_id": pipeline_id,
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"parameters": [
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{"name": k, "value": str(v)}
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for k, v in parameters.items()
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],
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"parameters": [{"name": k, "value": str(v)} for k, v in parameters.items()],
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},
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}
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response = await self._http.post(
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f"{self.pipeline_settings.kubeflow_host}/apis/v1beta1/runs",
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json=run_request,
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)
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response.raise_for_status()
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result = response.json()
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return result["run"]["id"]
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