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Initialize Spark Connect session in Jupyter init script #4454

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Initialize Spark Connect session in Jupyter init script #4454

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@ilia-db ilia-db commented Feb 5, 2026 •
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Changes

Spark from user-namespace-initializer is not usable on serverless, so we switch to the spark connect working directly over grpc socket.

Follow up to #4453

Why

Tests

@ilia-db ilia-db temporarily deployed to test-trigger-is February 5, 2026 14:58 — with GitHub Actions Inactive
@ilia-db ilia-db temporarily deployed to test-trigger-is February 5, 2026 15:02 — with GitHub Actions Inactive
@ilia-db ilia-db force-pushed the ssh-tunnel-spark-init branch from 3f182b5 to 904fdf2 Compare February 5, 2026 15:18
@ilia-db ilia-db temporarily deployed to test-trigger-is February 5, 2026 15:19 — with GitHub Actions Inactive
@ilia-db ilia-db force-pushed the ssh-tunnel-spark-init branch from 904fdf2 to e303371 Compare February 5, 2026 16:23
@ilia-db ilia-db force-pushed the ssh-tunnel-ide-config branch from 3617fc2 to b563b61 Compare February 5, 2026 16:23
@ilia-db ilia-db temporarily deployed to test-trigger-is February 5, 2026 16:24 — with GitHub Actions Inactive
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eng-dev-ecosystem-bot commented Feb 5, 2026 •
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Commit: e303371

Run: 21719503311

Env 🟨​KNOWN 🔄​flaky 💚​RECOVERED 🙈​SKIP ✅​pass 🙈​skip Time
🟨​ aws linux 7 1 7 442 710 37:27
🟨​ aws windows 7 2 1 7 412 718 37:23
🟨​ aws-ucws linux 3 9 5 641 580 79:50
🟨​ aws-ucws windows 3 9 5 610 589 74:13
🔄​ azure linux 6 2 9 436 709 43:22
💚​ azure windows 2 9 414 717 37:55
💚​ azure-ucws linux 6 7 637 579 84:34
💚​ azure-ucws windows 6 7 606 588 75:49
🔄​ gcp linux 3 1 9 429 715 42:58
💚​ gcp windows 2 9 403 723 42:32
27 interesting tests: 10 flaky, 7 KNOWN, 5 SKIP, 5 RECOVERED
Test Name aws linux aws windows aws-ucws linux aws-ucws windows azure linux azure windows azure-ucws linux azure-ucws windows gcp linux gcp windows
🟨​ TestAccept 🟨​K 🟨​K 🟨​K 🟨​K 💚​R 💚​R 💚​R 💚​R 🔄​f 💚​R
🙈​ TestAccept/bundle/deployment/bind/alert 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S
🙈​ TestAccept/bundle/generate/alert 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S
💚​ TestAccept/bundle/invariant/no_drift 🙈​S 🙈​S 💚​R 💚​R 🙈​S 🙈​S 💚​R 💚​R 🙈​S 🙈​S
🙈​ TestAccept/bundle/resources/alerts/basic 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S
🙈​ TestAccept/bundle/resources/alerts/with_file 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S
🔄​ TestAccept/bundle/resources/dashboards/change-serialized-dashboard ✅​p ✅​p ✅​p ✅​p ✅​p ✅​p ✅​p ✅​p 🔄​f ✅​p
🔄​ TestAccept/bundle/resources/dashboards/change-serialized-dashboard/DATABRICKS_BUNDLE_ENGINE=direct ✅​p ✅​p ✅​p ✅​p ✅​p ✅​p ✅​p ✅​p 🔄​f ✅​p
🔄​ TestAccept/bundle/resources/dashboards/delete-trashed-out-of-band ✅​p ✅​p ✅​p ✅​p 🔄​f ✅​p ✅​p ✅​p ✅​p ✅​p
🔄​ TestAccept/bundle/resources/dashboards/delete-trashed-out-of-band/DATABRICKS_BUNDLE_ENGINE=terraform ✅​p ✅​p ✅​p ✅​p 🔄​f ✅​p ✅​p ✅​p ✅​p ✅​p
🔄​ TestAccept/bundle/resources/dashboards/destroy ✅​p ✅​p ✅​p ✅​p 🔄​f ✅​p ✅​p ✅​p ✅​p ✅​p
🔄​ TestAccept/bundle/resources/dashboards/destroy/DATABRICKS_BUNDLE_ENGINE=terraform ✅​p ✅​p ✅​p ✅​p 🔄​f ✅​p ✅​p ✅​p ✅​p ✅​p
🔄​ TestAccept/bundle/resources/dashboards/detect-change ✅​p ✅​p ✅​p ✅​p 🔄​f ✅​p ✅​p ✅​p ✅​p ✅​p
🔄​ TestAccept/bundle/resources/dashboards/detect-change/DATABRICKS_BUNDLE_ENGINE=terraform ✅​p ✅​p ✅​p ✅​p 🔄​f ✅​p ✅​p ✅​p ✅​p ✅​p
🙈​ TestAccept/bundle/resources/permissions 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S
🟨​ TestAccept/bundle/resources/permissions/jobs/destroy_without_mgmtperms/with_permissions 🟨​K 🟨​K 🟨​K 🟨​K 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S
🟨​ TestAccept/bundle/resources/permissions/jobs/destroy_without_mgmtperms/with_permissions/DATABRICKS_BUNDLE_ENGINE=direct 🟨​K 🟨​K 🟨​K 🟨​K
🟨​ TestAccept/bundle/resources/permissions/jobs/destroy_without_mgmtperms/with_permissions/DATABRICKS_BUNDLE_ENGINE=terraform 🟨​K 🟨​K 💚​R 💚​R
🟨​ TestAccept/bundle/resources/permissions/jobs/destroy_without_mgmtperms/without_permissions 🟨​K 🟨​K 💚​R 💚​R 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S 🙈​S
🟨​ TestAccept/bundle/resources/permissions/jobs/destroy_without_mgmtperms/without_permissions/DATABRICKS_BUNDLE_ENGINE=direct 🟨​K 🟨​K 💚​R 💚​R
🟨​ TestAccept/bundle/resources/permissions/jobs/destroy_without_mgmtperms/without_permissions/DATABRICKS_BUNDLE_ENGINE=terraform 🟨​K 🟨​K 💚​R 💚​R
💚​ TestAccept/bundle/resources/synced_database_tables/basic 🙈​S 🙈​S 💚​R 💚​R 🙈​S 🙈​S 💚​R 💚​R 🙈​S 🙈​S
💚​ TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=direct 💚​R 💚​R 💚​R 💚​R
💚​ TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=terraform 💚​R 💚​R 💚​R 💚​R
💚​ TestAccept/ssh/connection 💚​R 💚​R 💚​R 💚​R 💚​R 💚​R 💚​R 💚​R 💚​R 💚​R
🔄​ TestSecretsPutSecretBytesValue ✅​p 🔄​f 🙈​s 🙈​s ✅​p ✅​p ✅​p ✅​p ✅​p ✅​p
🔄​ TestSecretsPutSecretStringValue ✅​p 🔄​f 🙈​s 🙈​s ✅​p ✅​p ✅​p ✅​p ✅​p ✅​p
Top 50 slowest tests (at least 2 minutes):
duration env testname
9:22 aws-ucws windows TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=synced_database_table.yml.tmpl
8:38 aws-ucws windows TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=terraform
7:36 aws-ucws windows TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=database_instance.yml.tmpl
7:33 aws-ucws linux TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=terraform
7:21 aws-ucws linux TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=database_catalog.yml.tmpl
7:21 aws-ucws linux TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=synced_database_table.yml.tmpl
7:00 aws windows TestAccept/bundle/resources/clusters/deploy/update-after-create/DATABRICKS_BUNDLE_ENGINE=direct
6:35 aws-ucws windows TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=direct
6:16 aws-ucws linux TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=direct
6:15 aws-ucws linux TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=database_instance.yml.tmpl
6:14 gcp linux TestAccept/bundle/resources/clusters/deploy/update-after-create/DATABRICKS_BUNDLE_ENGINE=direct
5:53 aws linux TestAccept/bundle/resources/clusters/deploy/update-after-create/DATABRICKS_BUNDLE_ENGINE=direct
5:51 gcp windows TestAccept/bundle/resources/clusters/deploy/update-after-create/DATABRICKS_BUNDLE_ENGINE=direct
5:48 gcp linux TestAccept/bundle/resources/clusters/deploy/update-after-create/DATABRICKS_BUNDLE_ENGINE=terraform
5:45 gcp windows TestAccept/bundle/resources/clusters/deploy/update-after-create/DATABRICKS_BUNDLE_ENGINE=terraform
5:01 azure-ucws windows TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=direct
5:00 aws-ucws windows TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=database_catalog.yml.tmpl
4:27 aws-ucws windows TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=terraform
4:22 azure-ucws linux TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=direct
4:17 aws-ucws linux TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=direct
4:14 azure-ucws linux TestAccept/bundle/templates/default-python/combinations/serverless/DATABRICKS_BUNDLE_ENGINE=direct/DLT=no/NBOOK=no/PY=yes/READPLAN=
4:14 azure-ucws windows TestAccept/bundle/resources/clusters/deploy/update-after-create/DATABRICKS_BUNDLE_ENGINE=terraform
4:11 azure-ucws linux TestAccept/bundle/resources/registered_models/basic/DATABRICKS_BUNDLE_ENGINE=terraform
4:09 azure linux TestAccept/bundle/resources/experiments/basic/DATABRICKS_BUNDLE_ENGINE=terraform
4:05 gcp windows TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=terraform
4:03 azure-ucws windows TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=database_instance.yml.tmpl
4:03 azure-ucws linux TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=database_catalog.yml.tmpl
3:58 azure windows TestAccept/bundle/templates/default-python/integration_classic/DATABRICKS_BUNDLE_ENGINE=terraform/UV_PYTHON=3.11
3:58 azure-ucws linux TestAccept/bundle/resources/models/basic/DATABRICKS_BUNDLE_ENGINE=terraform
3:56 azure-ucws linux TestAccept/bundle/resources/registered_models/basic/DATABRICKS_BUNDLE_ENGINE=direct
3:52 azure-ucws windows TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=terraform
3:47 azure-ucws linux TestAccept/bundle/templates/default-python/combinations/serverless/DATABRICKS_BUNDLE_ENGINE=direct/DLT=yes/NBOOK=yes/PY=no/READPLAN=1
3:46 gcp windows TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=direct
3:45 azure windows TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=direct
3:42 gcp linux TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=terraform
3:40 azure-ucws windows TestAccept/bundle/templates/default-python/combinations/serverless/DATABRICKS_BUNDLE_ENGINE=direct/DLT=yes/NBOOK=yes/PY=yes/READPLAN=1
3:37 gcp linux TestAccept/bundle/resources/experiments/basic/DATABRICKS_BUNDLE_ENGINE=terraform
3:36 azure-ucws linux TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=synced_database_table.yml.tmpl
3:36 azure-ucws linux TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=direct
3:35 aws-ucws linux TestAccept/bundle/resources/registered_models/basic/DATABRICKS_BUNDLE_ENGINE=terraform
3:34 aws-ucws linux TestAccept/bundle/resources/secret_scopes/basic/DATABRICKS_BUNDLE_ENGINE=terraform
3:32 azure-ucws linux TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=database_instance.yml.tmpl
3:31 azure-ucws windows TestAccept/bundle/invariant/no_drift/DATABRICKS_BUNDLE_ENGINE=direct/INPUT_CONFIG=database_catalog.yml.tmpl
3:30 azure-ucws linux TestAccept/bundle/templates/default-python/combinations/classic/DATABRICKS_BUNDLE_ENGINE=direct/DLT=no/NBOOK=yes/PY=yes/READPLAN=
3:22 azure-ucws linux TestAccept/bundle/resources/synced_database_tables/basic/DATABRICKS_BUNDLE_ENGINE=terraform
3:20 aws-ucws windows TestAccept/bundle/templates/default-python/combinations/serverless/DATABRICKS_BUNDLE_ENGINE=terraform/DLT=yes/NBOOK=no/PY=yes/READPLAN=
3:20 azure-ucws linux TestAccept/bundle/templates/default-python/combinations/serverless/DATABRICKS_BUNDLE_ENGINE=terraform/DLT=no/NBOOK=no/PY=yes/READPLAN=
3:20 azure linux TestAccept/bundle/templates/default-python/combinations/classic/DATABRICKS_BUNDLE_ENGINE=direct/DLT=no/NBOOK=yes/PY=yes/READPLAN=
3:17 gcp linux TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=direct
3:15 aws-ucws linux TestAccept/bundle/resources/apps/inline_config/DATABRICKS_BUNDLE_ENGINE=terraform

@ilia-db ilia-db force-pushed the ssh-tunnel-spark-init branch from e303371 to 8dd656b Compare February 6, 2026 14:54
@ilia-db ilia-db force-pushed the ssh-tunnel-ide-config branch from b563b61 to fa28809 Compare February 6, 2026 14:54
@ilia-db ilia-db force-pushed the ssh-tunnel-spark-init branch from 5b3d9d7 to 43f370b Compare February 10, 2026 12:16
@ilia-db ilia-db force-pushed the ssh-tunnel-ide-config branch from fa28809 to f86fdf3 Compare February 10, 2026 12:16
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@anton-107 anton-107 anton-107 approved these changes

@andrewnester andrewnester Awaiting requested review from andrewnester andrewnester will be requested when the pull request is marked ready for review andrewnester is a code owner

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