fix(customizer): repair container execution regressions - #1710
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Included review availability: Your plan provides up to 12 included reviews per hour; 10 remain after this review. 📝 WalkthroughWalkthroughThe change converts core ChangesModelSpec conversion
Compiler profile propagation
Storage path normalization
Persistent-storage cleanup eligibility
Suggested reviewers: Merge Risk: 🟡 Moderate · up to The PR prevents normal intermediate steps from deleting shared job storage, but certain missing-step and cleanup-failure paths can still remove the workload without reliably proving final-step ownership or preserving a recovery path. This can cause premature loss of training data or leave persistent job data behind, so merge requires explicit owner awareness or follow-up. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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Inline comments:
In `@services/automodel/tests/test_job_context.py`:
- Line 42: Update the test setup and precedence cases around from_env() to clear
both current and legacy persistent-storage and job-step-config environment
variables before each assertion. In the precedence test, explicitly set
CURRENT_PERSISTENT_JOB_STORAGE_PATH_ENVVAR so it is the intended
higher-precedence value, while preserving the existing legacy alias coverage.
In `@services/unsloth/src/nmp/unsloth/tasks/training/__main__.py`:
- Line 120: Initialize persistent_root with get_job_storage_path_from_env()
instead of the current environment lookup before calling remap_job_storage_path,
preserving the compatibility behavior that resolves the mounted job storage root
when only the NEMO variable is set.
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packages/nmp_customization_common/src/nmp/customization_common/service/context.pypackages/nmp_customization_common/src/nmp/customization_common/service/path_utils.pypackages/nmp_customization_common/src/nmp/customization_common/tasks/file_io_utils.pypackages/nmp_customization_common/tests/tasks/test_file_io_utils.pyservices/automodel/src/nmp/automodel/tasks/training/runner.pyservices/automodel/tests/tasks/training/test_runner.pyservices/automodel/tests/test_job_context.pyservices/unsloth/src/nmp/unsloth/tasks/training/__main__.pyservices/unsloth/tests/test_main.py
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Inline comments:
In
`@services/core/jobs/src/nmp/core/jobs/controllers/backends/kubernetes/volcano_job.py`:
- Around line 471-473: Update the cleanup logic around
check_job_persistent_storage_cleanup_allowed so a False result caused by the
aggregate job not yet being terminal preserves a retryable cleanup record for
the final step before deleting the Volcano job. Continue denying cleanup without
retaining a retry record for genuinely non-final steps.
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services/core/jobs/src/nmp/core/jobs/controllers/backends/base.pyservices/core/jobs/src/nmp/core/jobs/controllers/backends/docker.pyservices/core/jobs/src/nmp/core/jobs/controllers/backends/kubernetes/kubernetes_job.pyservices/core/jobs/src/nmp/core/jobs/controllers/backends/kubernetes/volcano_job.pyservices/core/jobs/tests/controllers/test_docker_backend.pyservices/core/jobs/tests/controllers/test_kubernetes_backend.pyservices/core/jobs/tests/controllers/test_volcano_backend.py
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* use training profiles for Customizer task steps * tolerate job storage path skew between compile time and runtime * preserve persistent job storage until final job step cleanup Signed-off-by: Matt Kornfield <mkornfield@nvidia.com>
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ironcommit
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Sep 10, 2026
Signed-off-by: Matt Kornfield <mkornfield@nvidia.com>
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Summary
Fix the Customizer container regressions exposed by Platform-Deploy by running Customizer task steps on the selected container execution profiles, tolerating job-storage path skew between compiled configs and runtime mounts, and preserving persistent job storage until the final platform step. Before, a successful intermediate download step could be cleaned up and delete the shared job directory before training; after, task storage remains per-step while persistent job storage is removed only when final-step cleanup is eligible.
Rebase note: the earlier model-spec serialization commit was dropped during the rebase because Aaron Gabow's merged PR #1747 (
fix: address model spec crash) now covers that issue onmain.Changes
profileinto the canonical compiler and apply resolved profiles to Automodel task steps.Type of Change
Quality Gates
Verification
Signed-off-by:traileruv run pre-commit run -apasses, or any blocked checks are identified belowTargeted validation for head
b53eee0e187335ce34e78f1d9c95e66cd37f2a56:flox activate -- uv run ruff check services/core/jobs/src/nmp/core/jobs/entities.py services/core/jobs/src/nmp/core/jobs/app/dispatcher.py services/core/jobs/src/nmp/core/jobs/controllers/backends/base.py services/core/jobs/tests/test_entities.py services/core/jobs/tests/controllers/test_docker_backend.pyflox activate -- uv run ruff format --check services/core/jobs/src/nmp/core/jobs/entities.py services/core/jobs/src/nmp/core/jobs/app/dispatcher.py services/core/jobs/src/nmp/core/jobs/controllers/backends/base.py services/core/jobs/tests/test_entities.py services/core/jobs/tests/controllers/test_docker_backend.pyflox activate -- uv run --frozen pytest services/core/jobs/tests/test_entities.py services/core/jobs/tests/test_dispatcher.py services/core/jobs/tests/controllers/test_docker_backend.py services/core/jobs/tests/controllers/test_kubernetes_backend.py services/core/jobs/tests/controllers/test_volcano_backend.py -v(267 passed)flox activate -- uv run pre-commit run -agit diff --check origin/main...HEADgit diff --checkorigin/main..HEAD.External validation: