Vamsi-klu commented on PR #68527:
URL: https://github.com/apache/airflow/pull/68527#issuecomment-4762584640
## Databricks proxy support validation for PR #68527
Validated against exact PR head `124d736716ec26bc58bdcd71d57335b6b5998893`
on June 21, 2026.
### Test suite
Focused Databricks provider tests passed:
```text
284 passed, 1 warning in 7.85s
```
Command:
```bash
PYTHONPATH=/Users/nalam/Downloads/airflow-68527-vr/airflow-core/src:/Users/nalam/Downloads/airflow-68527-vr/providers/databricks/src
\
/Users/nalam/airflow-1/.venv/bin/python -m pytest \
providers/databricks/tests/unit/databricks/hooks/test_databricks_base.py \
providers/databricks/tests/unit/databricks/hooks/test_databricks.py \
providers/databricks/tests/unit/databricks/hooks/test_databricks_sql.py -q
```
### Live Databricks validation
Created a one-day personal access token scoped to `clusters`, used it only
for this validation, and revoked it after the run. The access token page
returned to `No tokens exist.` after cleanup.
The live validation used Airflow's `DatabricksHook` from the PR worktree
with connection extra:
```json
{
"proxies": {
"http": "http://127.0.0.1:<port>",
"https": "http://127.0.0.1:<port>"
}
}
```
The validation called `GET /api/2.0/clusters/list` against the Databricks
workspace through a local HTTP CONNECT proxy.
Sync path result:
```text
sync_api_result.ok=true
sync_api_result.cluster_count=0
sync_proxy_tunnel_to_workspace_observed=true
CONNECT dbc-c1a3fd5e-8c66.cloud.databricks.com:443 HTTP/1.1
```
Async path result:
```text
async_api_result.ok=true
async_api_result.cluster_count=0
async_proxy_tunnel_to_workspace_observed=true
CONNECT dbc-c1a3fd5e-8c66.cloud.databricks.com:443 HTTP/1.1
```
This covers the PR's sync `requests` forwarding path and async `aiohttp`
forwarding path with an authenticated Databricks API call.
### Evidence
Evidence bundle:
https://gist.github.com/Vamsi-klu/fd442d24aec03cd0bae7c6bfc0997e22
Validation JSON:
https://gist.githubusercontent.com/Vamsi-klu/fd442d24aec03cd0bae7c6bfc0997e22/raw/70dc93e752813464937281658b7edc34d2c942b1/databricks_proxy_live_validation.json
Repro script:
https://gist.githubusercontent.com/Vamsi-klu/fd442d24aec03cd0bae7c6bfc0997e22/raw/70dc93e752813464937281658b7edc34d2c942b1/databricks_proxy_live_validation.py
Workspace availability:
Workspace page:
Post-cleanup token state:
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