feat(jobs): add log tail API and CLI - #1812
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📝 WalkthroughWalkthroughJob log APIs now support bounded newest-line retrieval with ChangesJob log query contracts and validation
Repository-backed log pagination
Service and client propagation
CLI retrieval and rendering
Sequence Diagram(s)sequenceDiagram
participant CLI
participant JobsClient
participant JobsEndpoint
participant LogStorage
participant DuckDBLogRepository
CLI->>JobsClient: Request job logs with tail and filters
JobsClient->>JobsEndpoint: Send tail query
JobsEndpoint->>LogStorage: Forward validated log query
LogStorage->>DuckDBLogRepository: Query Parquet logs
DuckDBLogRepository-->>LogStorage: Return newest log lines and cursor
LogStorage-->>JobsEndpoint: Return log page
JobsEndpoint-->>JobsClient: Return job logs
JobsClient-->>CLI: Render log lines
Merge Risk: 🟡 Moderate · up to This adds log-tail querying and pagination across APIs and CLI, but nullable schema defaults can break generated clients and invalid job-log cursors can produce server errors in supported deployments. Resolve these compatibility issues before merge. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 57.26% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 117 functions across 27 files. (3 skipped: 3 unsupported.) ✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Inline comments:
In `@openapi/ga/individual/platform.openapi.yaml`:
- Around line 5830-5853: Update the source schema for the log-query limit
parameter to document the effective default of 100 when limit is omitted, while
preserving default=None for tail handling. Apply this consistently to both
affected endpoints and keep the existing limit constraints unchanged.
- Around line 14663-14667: Add schema-only default: 100 to both the
LogQueryRequest.limit and page_job_logs.limit declarations, while leaving their
runtime defaults as None so the handler continues applying 100 only when tail is
absent.
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⛔ Files ignored due to path filters (7)
sdk/python/nemo-platform/.nmpcontext/openapi.yamlis excluded by!sdk/**sdk/python/nemo-platform/src/nemo_platform/resources/files/otlp/logs.pyis excluded by!sdk/**sdk/python/nemo-platform/src/nemo_platform/resources/jobs/jobs.pyis excluded by!sdk/**sdk/python/nemo-platform/src/nemo_platform/types/files/otlp/log_query_params.pyis excluded by!sdk/**sdk/python/nemo-platform/src/nemo_platform/types/jobs/job_get_logs_params.pyis excluded by!sdk/**sdk/python/nemo-platform/tests/api_resources/files/otlp/test_logs.pyis excluded by!sdk/**sdk/python/nemo-platform/tests/api_resources/test_jobs.pyis excluded by!sdk/**
📒 Files selected for processing (39)
docs/cli/reference.mdxdocs/set-up/manage-jobs.mdxopenapi/ga/individual/platform.openapi.yamlopenapi/ga/openapi.yamlopenapi/openapi.yamlpackages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/api/files/otlp/logs.pypackages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/api/jobs/__init__.pypackages/nemo_platform_ext/src/nemo_platform_ext/cli/core/job_log_renderer.pypackages/nemo_platform_ext/src/nemo_platform_ext/cli/core/job_watch_renderer.pypackages/nemo_platform_ext/tests/cli/commands/api/test_jobs_tail.pypackages/nemo_platform_ext/tests/cli/core/test_job_log_renderer.pypackages/nemo_platform_ext/tests/cli/test_app.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/data_designer/types.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/files/types.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/jobs/api_factory.pypackages/nemo_platform_plugin/src/nemo_platform_plugin/jobs/types.pypackages/nemo_platform_plugin/tests/jobs/test_endpoints.pypackages/nmp_common/src/nmp/common/jobs/log_client.pypackages/nmp_common/src/nmp/common/jobs/schemas.pypackages/nmp_common/tests/api_factory/test_api_factory.pypackages/nmp_common/tests/jobs/test_log_client.pyplugins/nemo-agents/openapi/openapi.yamlplugins/nemo-anonymizer/openapi/openapi.yamlplugins/nemo-auditor/openapi/openapi.yamlplugins/nemo-customizer/openapi/openapi.yamlplugins/nemo-data-designer/openapi/openapi.yamlplugins/nemo-evaluator/openapi/openapi.yamlplugins/nemo-iron-swarm/openapi/openapi.yamlplugins/nemo-safe-synthesizer/openapi/openapi.yamlservices/core/files/src/nmp/core/files/api/v2/otlp/endpoints.pyservices/core/files/src/nmp/core/files/app/log_db.pyservices/core/files/src/nmp/core/files/app/log_storage.pyservices/core/files/tests/integration/test_otlp_endpoints.pyservices/core/files/tests/test_log_storage.pyservices/core/jobs/src/nmp/core/jobs/api/v2/jobs/endpoints.pyservices/core/jobs/tests/test_job_logs.pyservices/core/jobs/tests/test_jobs_client.pytools/nemo-platform-sdk-tools/src/nemo_platform_sdk_tools/sdk/cli_generator/cli_config.yamltools/nemo-platform-sdk-tools/src/nemo_platform_sdk_tools/sdk/cli_generator/overrides/jobs/tail.py
🚧 Files skipped from review as they are similar to previous changes (25)
- packages/nemo_platform_ext/tests/cli/test_app.py
- packages/nemo_platform_plugin/src/nemo_platform_plugin/files/types.py
- packages/nemo_platform_ext/src/nemo_platform_ext/cli/core/job_log_renderer.py
- packages/nmp_common/tests/api_factory/test_api_factory.py
- services/core/jobs/tests/test_jobs_client.py
- packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/api/files/otlp/logs.py
- packages/nemo_platform_plugin/src/nemo_platform_plugin/data_designer/types.py
- packages/nemo_platform_plugin/src/nemo_platform_plugin/jobs/api_factory.py
- packages/nmp_common/src/nmp/common/jobs/log_client.py
- packages/nemo_platform_ext/tests/cli/core/test_job_log_renderer.py
- docs/set-up/manage-jobs.mdx
- packages/nemo_platform_ext/src/nemo_platform_ext/cli/core/job_watch_renderer.py
- packages/nemo_platform_plugin/src/nemo_platform_plugin/jobs/types.py
- packages/nemo_platform_ext/src/nemo_platform_ext/cli/commands/api/jobs/init.py
- packages/nemo_platform_ext/tests/cli/commands/api/test_jobs_tail.py
- packages/nemo_platform_plugin/tests/jobs/test_endpoints.py
- services/core/files/tests/integration/test_otlp_endpoints.py
- tools/nemo-platform-sdk-tools/src/nemo_platform_sdk_tools/sdk/cli_generator/overrides/jobs/tail.py
- tools/nemo-platform-sdk-tools/src/nemo_platform_sdk_tools/sdk/cli_generator/cli_config.yaml
- services/core/jobs/tests/test_job_logs.py
- services/core/files/tests/test_log_storage.py
- services/core/files/src/nmp/core/files/app/log_storage.py
- services/core/jobs/src/nmp/core/jobs/api/v2/jobs/endpoints.py
- services/core/files/src/nmp/core/files/api/v2/otlp/endpoints.py
- docs/cli/reference.mdx
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Actionable comments posted: 2
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Inline comments:
In `@packages/nmp_common/src/nmp/common/api/utils.py`:
- Line 369: Update the schema transformation order so
_apply_schema_default_extensions runs before _anyof_null_visitor collapses
nullable unions, preserving valid Optional[T] schemas with x-schema-default:
null. Add a regression test covering this null-default case and verify the
resulting schema remains valid for code generation.
In `@services/core/jobs/src/nmp/core/jobs/api/v2/jobs/endpoints.py`:
- Around line 588-590: Update the InvalidPageCursorError handler to use the
broadly supported status.HTTP_422_UNPROCESSABLE_ENTITY constant or literal 422
instead of status.HTTP_422_UNPROCESSABLE_CONTENT, preserving the existing error
detail and logging behavior.
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openapi/ga/individual/platform.openapi.yamlopenapi/ga/openapi.yamlopenapi/openapi.yamlpackages/nmp_common/src/nmp/common/api/utils.pypackages/nmp_common/tests/api/test_utils_openapi_spec.pyservices/core/files/src/nmp/core/files/api/v2/otlp/endpoints.pyservices/core/jobs/src/nmp/core/jobs/api/v2/jobs/endpoints.py
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TL;DR
Adds first-class tailing for job logs so users can fetch the newest lines from long or running jobs without paging from the beginning. The new
tailoption is available through the Jobs API, Files OTLP log query API, CLI, plugin route helpers, generated OpenAPI, and Python SDK surfaces.Details
This branch adds a bounded
tailquery parameter for log retrieval, capped at 10,000 lines.tailis mutually exclusive withlimitandpage_cursorbecause it starts from the newest available log window; callers can use the returnedprev_pagecursor to continue backward through older log windows.The log storage path now supports that behavior with a boundary-based cursor format for tail pagination while keeping the existing page-number cursor format compatible. Tail responses are returned in normal oldest-to-newest display order, and cursor scope validation prevents reusing a cursor with different log filters or artifact paths.
The CLI gains
nemo jobs tail, including-n/--lines, workspace selection, and attempt/step/task filters. The existing generated log-query commands also expose--tail, and log line rendering is shared with job watch output for consistent terminal formatting.The plugin and SDK layers are updated so plugin job routes, typed query params, generated API clients, generated OpenAPI specs, and documentation all advertise the new tailing behavior.
Summary by CodeRabbit
nemo jobs tailto display the newest job log lines.--tailsupport for job and OTLP log queries.