Add retry mechanism to telemetry requests

[saishreeeee]

What type of PR is this?

• Refactor
• Feature
• Bug Fix
• Other

Description

Retry mechanism for telemetry requests

How is this tested?

• Unit tests
• E2E Tests
• Manually
• N/A

Related Tickets & Documents

PECOBLR-586

[Copilot]

Pull Request Overview

Adds a retry mechanism to telemetry requests by integrating a custom HTTP adapter and retry policy, updates client methods to use a session with retries, and adjusts tests accordingly.

• Introduce TelemetryHTTPAdapter to apply DatabricksRetryPolicy before each request
• Update TelemetryClient to use requests.Session with mounted retry adapter and replace direct requests.post
• Adjust unit and E2E tests to mock Session.post and verify retry behavior

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
tests/unit/test_telemetry.py	Updated mocks and assertions to patch and verify Session.post calls
tests/e2e/test_telemetry_retry.py	New E2E tests for retry scenarios, mocking HTTPSConnectionPool
src/databricks/sql/telemetry/telemetry_client.py	Added TelemetryHTTPAdapter, retry policy setup, session usage, session close, and log level tweak for uninitialized client
src/databricks/sql/exc.py	Removed top‐level telemetry import and added a lazy import inside the constructor

Comments suppressed due to low confidence (2)

src/databricks/sql/telemetry/telemetry_client.py:438

• The fallback log when the client isn’t initialized is set to debug, which may suppress important errors; consider using warning level to surface misconfiguration.

                logger.debug(

src/databricks/sql/telemetry/telemetry_client.py:203

• [nitpick] Currently the retry adapter is only mounted for HTTPS; if future tests or endpoints use HTTP, consider mounting on "http://" as well to ensure consistency.

        self._session.mount("https://", adapter)

[github-actions]

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[github-actions]

Thanks for your contribution! To satisfy the DCO policy in our contributing guide every commit message must include a sign-off message. One or more of your commits is missing this message. You can reword previous commit messages with an interactive rebase (git rebase -i main).

[jprakash-db]

Can you try to incorporate the common http client -

databricks-sql-python/src/databricks/sql/common/http.py

Line 42 in 576eafc

class DatabricksHttpClient: