chore(main): release 0.4.0

[spur-release-bot]

🤖 I have created a release beep boop

0.4.0 (2026-07-08)

Features

• admission: token-based dynamic node admission (#318) (91ade8a)
• e2e: migrate K8s E2E to pytest and bundle CI test assets (#247) (9dc99b9)
• e2e: migrate native-host E2E tests from Rust to Python/pytest (#238) (a9ef480)
• hooks: implement Slurm-compatible prolog/epilog hook framework (#219) (84b7e78)
• metrics: add controller RPC handler statistics (#350) (4f080f7)
• metrics: add node metrics collection and /metrics/nodes export (#237) (7b74464)
• metrics: export job OpenMetrics from spurctld on :6822 (#217) (6f939d7)
• node labels and dual-path partition matching (#276) (7448e0e)
• reservations: persist CRUD via raft WAL and enforce scheduling parity (#385) (285a098)
• scheduler: implement event-driven scheduler wake (#293) (1358222)
• spur-cli: add -w/--nodelist and -x/--exclude to srun and salloc (#380) (ac0e4c9)
• spur-cli: add sbatch --wrap for inline command submission (#381) (8d65736)
• spur-client: add client-side controller failover with endpoint rotation (#384) (2f3b9df)
• spur-cli: read SBATCH_* env vars as sbatch flag defaults (#374) (c74166d)
• spur-core: add ALL/COUNT and proto-backed JobState and NodeState conversion (03770de)
• spur-core: centralize env vars with SpurEnv, add SLURM_* twins (#311) (64ddf60)
• spur-devices: CDI-based vendor-agnostic GPU device management (#262) (d5c819e)
• spur-metrics: add job metrics collection in spurctld (40a3deb)
• spur-metrics: add partition, job and more metrics (#394) (cf126da)
• spur-metrics: add scheduler cycle and lifecycle statistics (#359) (a6e7cc0)
• spur: add burst-buffer staging subsystem with capacity pool and pending reasons (#327) (fca5df6)
• spur: add Completing (CG) job state with per-node completion (#234) (7c0457c)
• spur: add DEADLINE job state and DeadLine reason for --deadline parity (#263) (0c585bd)
• spur: add job suspend/resume functionality (#275) (87977b1)
• spur: add OUT_OF_MEMORY job state from cgroup OOM detection (#310) (9c1e146)
• spur: close exit-code reporting gap — exit:signal, DerivedExitCode, reasons (#274) (3d89351)
• spurctld: enforce real QoS limits via controller-side QosCache (#325) (672ad43)
• spurctld: serve REST API directly, remove standalone spurrestd (#319) (06215d2)
• spurdbd: persist exit_signal and derived_exit_code for sacct (#324) (8556358)
• spurdbd: wire fairshare integration between accounting and scheduler (8d1bcce)
• spur: emit PartitionConfig/PartitionInactive pending reasons (#326) (422925d)
• spur: expand pending-reason vocabulary and surface reservation/license/QoS reasons (#301) (d5ecb3f)
• spur: node deregistration, drain, and job eviction (#354) (8fab7a9)
• use controller computed metrics in sdiag (#332) (5eac544)

Bug Fixes

• ci: add node connectivity check and cross-node DNS injection (61e632e)
• ci: add node connectivity check and cross-node DNS injection (6e03055)
• ci: add pre-cleanup step to native-host E2E workflow (#330) (cb65fda)
• ci: add statuses permission and clean up E2E status reporting (8b96c89)
• ci: add statuses permission and clean up E2E status reporting (7467851)
• ci: construct image tag directly instead of relying on job outputs (1f34859)
• ci: construct image tag directly instead of relying on job outputs (5a7d032)
• ci: harden Trivy scan workflow configuration (#334) (f51299c)
• ci: kill orphaned spur processes on BM nodes during cleanup (e23f94f)
• ci: kill orphaned spur processes on BM nodes during cleanup (c74ebdf)
• ci: move E2E assets to /tmp to prevent stale file contamination (#264) (a9ec2ce)
• ci: remove stray -- from bare-metal test binary invocations (f879421)
• ci: remove stray -- from bare-metal test binary invocations (7f8dc12)
• ci: use recursive glob for Dockerfile pathspecs in license checks (#249) (5d5bdc6)
• ci: use venv for Python E2E test deps (#239) (effe210)
• clippy: replace sort_by with sort_by_key using Reverse (fff918b)
• deploy: pin container tests to controller node and poll for remote inference output (520dcf4)
• deploy: pin container tests to mi300 and poll for remote inference output (1916712)
• deploy: read log files instead of journalctl in cluster_test debug (0e83613)
• deploy: resolve releases without the GitHub API in install.sh (#383) (bc3ac1c)
• deploy: unpin container tests and poll for remote inference output (ca3b3d5)
• deploy: upgrade runtime base to Ubuntu 24.04 and run as non-root (#331) (b76a80c)
• deploy: use correct field name for accounting host in K8s configmap (d8511a1)
• e2e: resolve deploy paths via SPUR_DEPLOY_DIR (#248) (7a80263)
• ffi: allow not_unsafe_ptr_arg_deref on C FFI boundary functions (ab4df8f)
• install: avoid pipefail+SIGPIPE breaking glibc version check (#266) (beee80b)
• resolve dead code and unused import warnings across 9 crates (#155) (1364191)
• resolve trivial clippy warnings across workspace (9e1bc4e)
• Resolve working dir against rootfs in non-root container fallback (fa017a2)
• Resolve working dir against rootfs in non-root container fallback (0f2c447)
• sbatch: CLI args override #SBATCH directives (#144) (8c152fa)
• spur-cli: log gRPC errors in try_stream_output polling loop (c538602)
• spur-cli: parse composite keys in sshare usage display (71f444c)
• spur-cli: replace useless vec! with array literals in sinfo tests (383ae5e)
• spur-cli: restore SIGPIPE default to prevent broken-pipe panic (#370) (fdeaf3a), closes #365
• spur-cli: use .ok() instead of manual match in sbatch script read (ce16236)
• spur-cli: warn once on unrecognized job state in srun polling loops (1b0aaea)
• spur-core: box JobSpec in WalOperation::JobSubmit to fix large_enum_variant (c73f67e)
• spur-core: derive Default for NodeSource instead of manual impl (6adb88e)
• spur-core: serialize hook tests to avoid ETXTBSY flakiness (#265) (c96fa5f)
• spur-core: set priority 0 for jobs submitted with hold flag (4c6b047)
• spur-k8s: handle 409 AlreadyExists in launch_job as success (e2c3f80)
• spur-k8s: handle 409 AlreadyExists in launch_job as success (0869c9e)
• spur-k8s: use shorthand field init for labels in test helper (762a3db)
• spur-metrics: use workspace publishable setting for the crate (#216) (0cd4a07)
• spur-net: collapse consecutive str::replace calls in sanitize_name (9077939)
• spur-net: replace is_some + unwrap with reference pattern matching in netrc parser (db233d3)
• spur-sched: iterate over map values directly in het group pre-check (9164d2c)
• spur-tests: remove unused imports and variables (548d706)
• spur-tests: remove unused imports and variables (374344a)
• spur-tests: replace useless vec! with array literals in test code (d7db28a)
• spur-update: simplify boolean expression in semver test (d9feef3)
• spurctld: exclusive jobs allocate full node resources (#150) (e38005e)
• spurctld: free node resources on dispatch-failure requeue (#137) (41ffc57)
• spurctld: honor node filters and match Slurm pending reasons (#402) (100e23b)
• spurctld: initialize next_job_id from first_job_id on cold start (#371) (ed610f4)
• spurctld: make preemption terminate and requeue jobs correctly (#403) (476b40a)
• spurctld: persist last_purged to survive restart after log compaction (#373) (c2b23e9)
• spurctld: remove clone on Copy types in raft vote storage (fe83d90)
• spurctld: remove dead code and wire leader-forwarding fallback (#156) (c220cd8)
• spurctld: replace redundant pattern matching with is_err() (e8c7921)
• spurd: Added controller info in log message (#328) (727af25)
• spurdbd: cast SUM aggregates to BIGINT in get_usage query (9546ec3)
• spurdbd: normalize fairshare weights and harden refresh loop (91753d1)
• spurd: improve container init error reporting (ca1d0ad)
• spurd: improve container init error reporting (d3cff08)
• spurd: non-root container uses container's dynamic loader (#151) (e2f9beb)
• spurd: prevent resource leak on force-kill cancel path (46af47e)
• spurd: prevent resource leak on force-kill cancel path (2099ea5)
• spurd: remove dead code and wire cgroup cleanup (b96af21)
• spurd: remove dead code and wire cgroup cleanup (178046e)
• spurd: resolve stdout/stderr paths after work_dir fallback (#342) (84ae6c1)
• spurd: search job user's personal image store during resolution (#138) (75f4b53)
• spurd: shell-escape argv when building job script (#360) (d78b1bb)
• spurd: use touch for file bind mounts and auto-mount DNS files i… (#142) (c2ce3ef)
• spur: resolve dependency-engine gaps against array parents (#271) (f65a029)
• spur: resolve semantic merge conflict between #262 and #263 (#272) (5781872)
• srun: step dispatch routes to allocated node, not controller (#153) (bfa1c07)

Performance

• deploy: use cargo-chef to cache dependency builds in Docker (af96542)
• spur-sched: speed up backfill timeline queries (#348) (c7f56e4)
• spur-tests: skip GPU venv provisioning when pre-existing venv available (efdeafc)
• spur-tests: skip GPU venv provisioning when pre-existing venv available (0dc1f7a)

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #388   +/-   ##
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  Coverage   70.55%   70.55%           
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  Files         139      139           
  Lines       39881    39881           
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  Hits        28135    28135           
  Misses      11746    11746           

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