feat: add support for experimental host#1452
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rahul2393 merged 6 commits intogoogleapis:mainfrom Nov 6, 2025
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| def __init__(self, database, pool, is_experimental_host: bool = False): | ||
| self._database = database | ||
| self._pool = pool | ||
| self._is_experimental_host = is_experimental_host |
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Please keep the name consistent everywhere experimental_host or _experimental_host
surbhigarg92
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rahul2393
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PR created by the Librarian CLI to initialize a release. Merging this PR will auto trigger a release. Librarian Version: v1.0.0 Language Image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:8e2c32496077054105bd06c54a59d6a6694287bc053588e24debe6da6920ad91 <details><summary>google-cloud-spanner: 3.60.0</summary> ## [3.60.0](https://togithub.com/googleapis/python-spanner/compare/v3.59.0...v3.60.0) (2025-12-10) ### Features * make built-in metrics enabled by default (#1459) ([64aebe7](https://togithub.com/googleapis/python-spanner/commit/64aebe7e)) * Exposing AutoscalingConfig in InstancePartition ([8b6f154](https://togithub.com/googleapis/python-spanner/commit/8b6f1540)) * add support for experimental host (#1452) ([9535e5e](https://togithub.com/googleapis/python-spanner/commit/9535e5e0)) * enable OpenTelemetry metrics and tracing by default (#1410) ([bb5095d](https://togithub.com/googleapis/python-spanner/commit/bb5095df)) * add cloud.region, request_tag and transaction_tag in span attributes (#1449) ([d37fb80](https://togithub.com/googleapis/python-spanner/commit/d37fb80a)) * Add QueryAdvisorResult for query plan (PiperOrigin-RevId: 832425466) ([e08260f](https://togithub.com/googleapis/python-spanner/commit/e08260fe)) * Add Send and Ack mutations for Queues (PiperOrigin-RevId: 832425466) ([e08260f](https://togithub.com/googleapis/python-spanner/commit/e08260fe)) * Add Spanner location API (#1457) (PiperOrigin-RevId: 833474957) ([e08260f](https://togithub.com/googleapis/python-spanner/commit/e08260fe)) ### Bug Fixes * Deprecate credentials_file argument ([8b6f154](https://togithub.com/googleapis/python-spanner/commit/8b6f1540)) * configure keepAlive time for gRPC TCP connections (#1448) ([efb2833](https://togithub.com/googleapis/python-spanner/commit/efb2833e)) * Provide Spanner Option to disable metrics (#1460) ([f1ebc43](https://togithub.com/googleapis/python-spanner/commit/f1ebc43b)) ### Documentation * Update description for the BatchCreateSessionsRequest and Session (PiperOrigin-RevId: 832425466) ([e08260f](https://togithub.com/googleapis/python-spanner/commit/e08260fe)) * Update description for the IsolationLevel (PiperOrigin-RevId: 832425466) ([e08260f](https://togithub.com/googleapis/python-spanner/commit/e08260fe)) </details>
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Previously #1452 introduced changes to support python spanner client against spanner experimental host endpoints over insecure communication This PR extends those changes to support python spanner client connections to experimental host endpoints over TLS / mTLS connections as well. It also includes changes to run Integration Tests against experimental hosts across all 3 modes of network communication (plain-text, TLS, mTLS) To run IT tests against experimental host set below variables ``` export SPANNER_EXPERIMENTAL_HOST=localhost:15000 ``` For tls/mTLS set below additonal variables: - (mTLS/TLS) ``` export CA_CERTIFICATE=/tmp/experimental_host/ca-certificates/ca.crt ``` - (mTLS) ``` export CLIENT_CERTIFICATE=/tmp/experimental_host/certs/client.crt export CLIENT_KEY=/tmp/experimental_host/certs/client.key ``` Then we can run below command to tigger the tests: ``` python -m pytest -v -s --disable-warnings tests/system/ ``` --------- Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com> Co-authored-by: gcf-merge-on-green[bot] <60162190+gcf-merge-on-green[bot]@users.noreply.github.com>
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The support for tls and mTLS will be added via future PRs