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Support prometheus multiprocess collector #1454

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Support prometheus multiprocess collector #1454

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15 changes: 13 additions & 2 deletions flower/views/monitor.py
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Original file line number Diff line number Diff line change
@@ -1,11 +1,22 @@
import prometheus_client
import os

import prometheus_client.multiprocess

from ..views import BaseHandler


class Metrics(BaseHandler):
def _get_registry(self):
if not ("PROMETHEUS_MULTIPROC_DIR" in os.environ
or "prometheus_multiproc_dir" in os.environ):
return prometheus_client.REGISTRY

registry = prometheus_client.CollectorRegistry()
prometheus_client.multiprocess.MultiProcessCollector(registry)
return registry

async def get(self):
self.write(prometheus_client.generate_latest())
self.write(prometheus_client.generate_latest(self._get_registry()))
self.set_header("Content-Type", "text/plain")


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