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TrustPager driver: run every API call next to the database (Sydney) #4

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Merged
Esscay merged 1 commit into from
Sep 28, 2026
Merged

TrustPager driver: run every API call next to the database (Sydney) #4

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7 changes: 7 additions & 0 deletions drivers/trustpager/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,12 @@
# path. (Removed a duplicate constant here per the Task 3 code-quality finding.)


# Run every call next to TrustPager's database (Sydney). The API otherwise runs
# in the region nearest the caller, and from the Philippines that was Singapore:
# about 3.3 seconds a call against about 1.2 in Sydney, because every database
# read crossed the sea (measured 2026-09-28).
HOME_REGION_HEADERS = {"x-region": "ap-southeast-2"}

# =============================================================================
# The single TrustPager DriverConfig. Constructing it registers the tp_ secret
# pattern with the redaction registry (DriverConfig.__post_init__).
Expand All @@ -79,6 +85,7 @@
secret_pattern=TP_SECRET_PATTERN,
error_map=TP_ERROR_MAP,
approval_url=APPROVAL_URL,
extra_headers=HOME_REGION_HEADERS,
)


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9 changes: 9 additions & 0 deletions tests/test_trustpager_driver.py
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Expand Up @@ -97,5 +97,14 @@ def test_bare_prefix_not_redacted(self):
self.assertEqual(redact(text), text)


class TestHomeRegion(unittest.TestCase):
def test_every_call_asks_for_the_database_region(self):
# Without this header the API runs near the caller (Singapore from the
# Philippines) and each call takes about 3 seconds instead of 1.
from drivers.trustpager import TP_CFG

self.assertEqual((TP_CFG.extra_headers or {}).get("x-region"), "ap-southeast-2")


if __name__ == "__main__":
unittest.main()
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