rob thijssen
5c957d08ec
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Adds a manually-triggered workflow that builds CUDA-flavoured neuron binaries and a CPU cortex binary, packages them as Fedora RPMs, signs them, and rsyncs to the unstable channel at https://rpm.lair.cafe/fedora/43/x86_64/unstable/. Mirrors the build pipeline used by grenade/mistralrs-package. Pipeline: - prepare: derive {version,short_sha,commit_date} from the checkout; the prerelease Release stamp "0.1.YYYYMMDDgitSHORTSHA" sorts below the eventual "1" stable release. - build-cortex: cargo build --release -p cortex-cli on a rust runner. - build-neuron: matrix over ada (sm_89) and blackwell (sm_120) on cuda-13.0 runners; cargo build with features "cuda cudnn flash-attn" and CUDA_COMPUTE_CAP set per flavour. - package-{cortex,neuron}: rpmbuild on the rpm runner against the new prebuilt-binary specs in rpm/. - publish: import signing key, sign RPMs, rsync to oolon, createrepo_c --update, then regenerate packages.json for the UI. New specs are prebuilt-binary variants — they consume the artifact from the build job rather than running cargo at rpmbuild time. Each helexa-neuron-{flavour} package Conflicts with the other flavours and with helexa-neuron (the future source-build stable package) so one flavour is installed at a time on a given host. neuron crate gains cudnn and flash-attn feature flags forwarding to the corresponding candle features, so the CI build command compiles those kernels into the binary. sccache is intentionally NOT used in the prerelease jobs — CUDA compute cap isn't in its cache key, so flavours would mis-hit each other. Each prerelease build is a clean cargo build. Required Gitea secrets (already in place for cortex.spec / COPR workflow): - RPM_SIGNING_KEY, RPM_SIGNING_KEY_ID - RSYNC_SSH_KEY Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
123 lines
4.0 KiB
RPMSpec
123 lines
4.0 KiB
RPMSpec
# Prebuilt-binary spec for helexa-neuron flavoured by CUDA compute capability.
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#
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# Unlike helexa-neuron.spec (which builds from source via cargo), this
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# spec wraps a pre-built `neuron-{flavour}` binary produced by an
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# upstream CI job and packages it for rpm.lair.cafe. The %build phase
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# is a no-op.
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#
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# Required defines at rpmbuild time:
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# neuron_version e.g. "0.1.16"
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# neuron_flavour e.g. "ada", "blackwell" — matches the CI build
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# matrix's compute_cap label.
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# neuron_prerelease e.g. "0.1.20260518gitabcdef0" (used as Release)
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#
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# One flavour can be installed at a time on a given host; flavour
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# packages Conflict with each other.
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%global _build_id_links none
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%global debug_package %{nil}
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%global __strip /usr/bin/true
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%{!?neuron_version: %global neuron_version 0.0.0}
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%{!?neuron_flavour: %global neuron_flavour blackwell}
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%if 0%{?neuron_prerelease:1}
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%global neuron_release %{neuron_prerelease}
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%else
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%global neuron_release 1
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%endif
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Name: helexa-neuron-%{neuron_flavour}
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Version: %{neuron_version}
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Release: %{neuron_release}%{?dist}
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Summary: Per-node GPU inference daemon (candle, %{neuron_flavour} flavour)
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License: GPL-3.0-or-later
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URL: https://git.lair.cafe/helexa/cortex
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Source0: neuron-%{neuron_flavour}
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Source1: neuron.service
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Source2: neuron-sysusers.conf
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Source3: neuron-firewalld.xml
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Source4: neuron.example.toml
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Source5: LICENSE
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ExclusiveArch: x86_64
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# Binary links against the CUDA runtime, cuDNN, NCCL, etc. Suppress
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# auto-detected exact soname deps — users may have CUDA from various
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# sources (rpmfusion, nvidia-direct) at different compatible versions;
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# a runtime dlopen failure surfaces a clearer error than rpm dep
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# resolution would.
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%global __requires_exclude ^lib(cuda|cudart|cudnn|cublas|cublasLt|curand|nvrtc|nccl)
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Requires(pre): shadow-utils
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Requires: systemd
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Requires: firewalld-filesystem
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Provides: helexa-neuron = %{neuron_version}-%{neuron_release}
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Provides: user(neuron)
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# Mutual exclusion across flavours and the source-build variant.
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Conflicts: helexa-neuron
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Conflicts: helexa-neuron-ada
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Conflicts: helexa-neuron-ampere
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Conflicts: helexa-neuron-blackwell
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# (The Conflicts: with self is filtered by rpm at install time.)
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%description
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Neuron is the per-node daemon for cortex inference clusters. It
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discovers local GPU hardware via nvidia-smi, runs in-process
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inference via huggingface/candle, and exposes an HTTP API for model
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lifecycle management (load, unload, list, inference endpoint).
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This is the %{neuron_flavour} flavour, built for that CUDA compute
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capability. Install the flavour matching the GPUs on this host.
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%prep
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cp %{SOURCE0} ./neuron
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cp %{SOURCE1} .
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cp %{SOURCE2} .
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cp %{SOURCE3} .
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cp %{SOURCE4} .
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cp %{SOURCE5} .
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%build
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# Already built in the upstream CI build job (with --features cuda).
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%install
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install -Dm755 neuron %{buildroot}%{_bindir}/neuron
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install -Dm644 neuron.service %{buildroot}%{_unitdir}/neuron.service
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install -Dm644 neuron-sysusers.conf %{buildroot}%{_sysusersdir}/neuron.conf
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install -Dm644 neuron-firewalld.xml %{buildroot}%{_prefix}/lib/firewalld/services/helexa-neuron.xml
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install -dm755 %{buildroot}%{_sysconfdir}/neuron
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install -Dm644 neuron.example.toml %{buildroot}%{_sysconfdir}/neuron/neuron.toml
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%pre
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getent group neuron >/dev/null || groupadd -r neuron
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getent passwd neuron >/dev/null || \
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useradd -r -g neuron -d /var/lib/neuron -s /sbin/nologin \
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-G video,render \
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-c "Neuron GPU node daemon" neuron
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%post
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%systemd_post neuron.service
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%preun
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%systemd_preun neuron.service
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%postun
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%systemd_postun_with_restart neuron.service
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%files
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%license LICENSE
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%{_bindir}/neuron
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%{_unitdir}/neuron.service
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%{_sysusersdir}/neuron.conf
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%{_prefix}/lib/firewalld/services/helexa-neuron.xml
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%dir %{_sysconfdir}/neuron
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%config(noreplace) %{_sysconfdir}/neuron/neuron.toml
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%changelog
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* Mon May 18 2026 Gitea Actions <actions@git.lair.cafe> - %{neuron_version}-%{neuron_release}
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- Prerelease build from upstream CI binary (%{neuron_flavour} flavour).
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